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Note: This page contains sample records for the topic "beaufort continental slope" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


1

Ocean processes at the Antarctic continental slope  

Science Journals Connector (OSTI)

...such a high resolution is not yet possible in the Earth system models, and therefore the role of the Antarctic continental...them in a suitable way for their inclusion in global Earth system models. Ocean gliders offer great potential for observing...

2014-01-01T23:59:59.000Z

2

MITAS-2009 Expedition, U.S. Beaufort Shelf and SlopeLithostratigraphy Data Report  

SciTech Connect (OSTI)

The volume of methane released through the Arctic Ocean to the atmosphere and its potential role in the global climate cycle have increasingly become the focus of studies seeking to understand the source and origin of this methane. In 2009, an international, multi-disciplinary science party aboard the U.S. Coast Guard icebreaker Polar Sea successfully completed a trans-U.S. Beaufort Shelf expedition aimed at understanding the sources and volumes of methane across this region. Following more than a year of preliminary cruise planning and a thorough site evaluation, the Methane in the Arctic Shelf/Slope (MITAS) expedition departed from the waters off the coast of Barrow, Alaska in September 2009. The expedition was organized with an international shipboard science team consisting of 33 scientists with the breadth of expertise necessary to meet the expedition goals. NETL researchers led the expeditions initial core processing and lithostratigraphic evaluations, which are the focus of this report. This data report is focused on the lithostratigraphic datasets from the recovered vibra cores and piston cores. Operational information about the piston and vibra cores such as date acquired, core name, total length, water depth, and geographic location is provided. Once recovered, gas samples were immediately collected from cores. In addition, each core was run through the Geotek multi-sensor core logger for magnetic susceptibility, P-wave velocity, resistivity, and gamma-density measurements (Rose et al., 2010). After the samples and measurements were completed, the cores were split into working and archive halves. Visual core descriptions of the archive half was completed for each core. Samples for shipboard smear slides, coarse fractions, and XRD analyses were collected, as well as corresponding samples for post-cruise grain size analysis from the working half of each core. Line scan images of the split core surfaces were collected post-expedition. The methods used to characterize the lithostratigraphy of the recovered cores are described.

Rose, K.; Johnson, J.E.; Phillips, S.C.; Smith, J.; Reed, A.; Disenhof, C.; Presley, J.

2012-09-17T23:59:59.000Z

3

Natural gas hydrates on the continental slope off Pakistan: constraints from seismic techniques  

Science Journals Connector (OSTI)

......2000 research-article Articles Natural gas hydrates on the continental slope...J. Int. (2000) 140, 295310 Natural gas hydrates on the continental slope...adequate gas supplies for hydrate Natural gas hydrates (clathrates) are a crystalline......

Ingo Grevemeyer; Andreas Rosenberger; Heinrich Villinger

2000-02-01T23:59:59.000Z

4

Remote sensing analysis of natural oil and gas seeps on the continental slope of the northern Gulf of Mexico  

E-Print Network [OSTI]

. The continental slope of the northern Gulf of Mexico is an economically important hydrocarbon basin. As oil-drilling technologies improve and reservoirs on the continental shelf are depleted, more companies are leasing drilling areas on the slope. The number.... The continental slope of the northern Gulf of Mexico is an economically important hydrocarbon basin. As oil-drilling technologies improve and reservoirs on the continental shelf are depleted, more companies are leasing drilling areas on the slope. The number...

De Beukelaer, Sophie Magdalena

2004-11-15T23:59:59.000Z

5

Processes Coupling the Upper and Deep Ocean on the Continental Slope D. Randolph Watts  

E-Print Network [OSTI]

Processes Coupling the Upper and Deep Ocean on the Continental Slope D. Randolph Watts Graduate-pronged approach has required a combination of expertise from R. Watts, G. Sutyrin, and I. Ginis (who have

Rhode Island, University of

6

Processes Coupling the Upper and Deep Ocean on the Continental Slope D. Randolph Watts  

E-Print Network [OSTI]

Processes Coupling the Upper and Deep Ocean on the Continental Slope D. Randolph Watts Graduate of expertise from R. Watts, G. Sutyrin, and I. Ginis (who have a coordinated ONR-supported study at URI

Rhode Island, University of

7

The regional geothermal heat flow regime of the north-central Gulf of Mexico continental slope.  

E-Print Network [OSTI]

??Eighty-eight oil and gas wells located in the Texas-Louisiana continental slope were analyzed to obtain heat flow and geothermal gradient values. Present-day geothermal heat flow (more)

Jones, Michael S

2003-01-01T23:59:59.000Z

8

Processes Coupling the Upper and Deep Ocean on the Continental Slope D. Randolph Watts  

E-Print Network [OSTI]

Processes Coupling the Upper and Deep Ocean on the Continental Slope D. Randolph Watts Graduate / modeling) approach requires a combination of expertise from R. Watts, G. Sutyrin, and I. Ginis (who have in a published journal article (Logoutov, Sutyrin and Watts, 2001). These results are being used by Ginis

Rhode Island, University of

9

The epibenthic megafauna of the northern Gulf of Mexico continental slope  

E-Print Network [OSTI]

The epibenthic megafauna of the continental slope and abyssal plain of the northern Gulf of Mexico have been investigated using multi-shot bottom photography. A total of 10,388 photographs were analyzed from 100 sites encompassing a total area...

Ziegler, Matthew Peek

2012-06-07T23:59:59.000Z

10

Resonant Generation of Internal Waves on a Model Continental Slope H. P. Zhang, B. King, and Harry L. Swinney  

E-Print Network [OSTI]

Resonant Generation of Internal Waves on a Model Continental Slope H. P. Zhang, B. King, and Harry wave generation in a laboratory model of oscillating tidal flow on a continental margin. Waves are found to be generated only in a near-critical region where the slope of the bottom topography matches

Texas at Austin. University of

11

Shallow geologic features of the upper continental slope, northwestern Gulf of Mexico  

E-Print Network [OSTI]

SHALLOW GEOLCGIC FEATURES OF THE UPPER CONTI~wAL SLOPE, NORTHWESTERN GULF OF MEXICO A Thesis by TOK~ EDWIN TATUM, JR. Submitted to the Graduate ColleSe of Texas A&N University in partial fulfill . ent of the requirement fo= the deenee cf i...%STER F SCIENCE December. 1977 Najoz Subject: 3c ano~phy SHALLOW GEOLOGIC FEATURES OF THE UPPER CONTINENTAL SLOPE, NORTHWESTERN GUIZ OF ?EXICO A Thesis by TOMMY EDWIN TATUM, JR. Approved as to sty'e and content by: (Chairman of Committee Head...

Tatum, Tommy Edwin

2012-06-07T23:59:59.000Z

12

Two- and three-dimensional numerical models of internal tide generation at a continental slope  

Science Journals Connector (OSTI)

Some numerical models of internal tide generation at a continental slope are two-dimensional where the along-slope variation is neglected. The energy flux carried by internal tides computed using such two-dimensional models is often underestimated, compared with three-dimensional simulations of the same region, by a factor of 10 or more. The reason for this difference is investigated using both numerical and analytical models. It is shown that in numerical models, it is not the lack of the along-shelf forcing but the use of sponge or radiating conditions at the cross-shelf boundaries that leads to the severe underestimate of the offshore flux. To obtain realistic estimates of energy flux a three-dimensional model with an along-shelf scale of at least 5 internal tide wave lengths at the depth of maximum forcing is necessary.

K. Katsumata

2006-01-01T23:59:59.000Z

13

C sup 13 depleted authigenic carbonate buildups from hydrocarbon seeps, Louisiana Continental Slope  

SciTech Connect (OSTI)

Geohazard and geochemical survey data consisting of high-resolution profiles, side-scan sonographs, drop cores, dredge samples, and borings have substantiated the consistent association between carbonate buildups and hydrocarbon seeps on the Louisiana continental slope. Analyses of lithified bottom samples indicate a range of carbonate mineralogies including aragonite, Mg-calcite, and dolomite that are extremely depleted in the C{sup 13} isotope ({delta}C{sup 13} values to {minus} 48 {per thousand} PDB). Microbial oxidation of methane (biogenic and thermogenic) and crude oil creates a source of pore-water CO{sub 2} containing isotopically light carbon which triggers carbonate precipitation. Geophysical and geochemical evidence suggests that both surface and subsurface lithification is taking place. Recent observations and samples collected using a Pisces class research submersible confirm the abundance of C{sup 13} depleted sedimentary carbonates and massive authigenic buildups associated with the tops and flanks of shallow salt diapirs and gas hydrate hills.

Roberts, H.H.; Sassen, R.; Carney, R.; Aharon, P. (Louisiana State Univ., Baton Rouge (USA))

1989-09-01T23:59:59.000Z

14

The nature and location of gassy sediment sections in the continental shelf and slope in the northwestern Gulf of Mexico  

Science Journals Connector (OSTI)

In the northwestern Gulf of Mexico continental shelf and upper slope gassy sediments are a pervasive phenomena and an important consideration relative to engineering and acoustic activities on the sea floor. An examination of seismic data from over a thousand M.M.S. geohazard reports and core logs of 1 670 foundation boreholes drilled to an average subbottom depth of 125 m on the continental shelf and upper slope in the northwestern Gulf has revealed that gassy sediment sections are most abundant near the Mississippi River Delta in the sediment fill of buried stream channels that were eroded during the early and late Wisconsinan and in Miocene and PlioPleistocene depocenters on the continental shelf and upper slope. Out of the 1 670 bore holes examined 1 158 (68%) contained indications of gassy sediments most of which is of biogenic origin. Large patches of gassy sediments exist some exceeding 10 km in size but most are less than 500 m. The examination of 500 piston cores up to 40 meters in length taken on the mid and lower continental slope areas were almost void of gassy sediments as the result of the halokeiesis of allocthonous salt.

2003-01-01T23:59:59.000Z

15

Evolution of stocks and massifs from burial of salt sheets, continental slope, northern Gulf of Mexico  

SciTech Connect (OSTI)

Salt structures in a 4000-km{sup 2} region of the continental slope, the northeast Green Canyon area, include stocks, massifs, remnant structures, and an allochthonous sheet. Salt-withdrawal basins include typical semicircular basins and an extensive linear trough that is largely salt-free. Counterregional growth faults truncate the landward margin of salt sheets that extend 30-50 km to the Sigsbee Escarpment. The withdrawal basins, stocks, and massifs occur within a large graben between an east-northeast-trending landward zone of shelf-margin growth faults and a parallel trend of counterregional growth faults located 48-64 km basinward. The graben formed by extension and subsidence as burial of the updip portion of a thick salt sheet produced massifs and stocks by downbuilding. Differential loading segmented the updip margin of the salt sheet into stocks and massifs separated by salt-withdrawal basins. Initially, low-relief structures evolved by trap-door growth as half-graben basins buried the salt sheet. Remnant-salt structures and a turtle-structure anticline overlay a salt-weld disconformity in sediments formerly separated by a salt sheet. Age of sediments below the weld is inferred to be be late Miocene to early Pliocene (4.6-5.3 Ma); age of sediments above the weld is late Pliocene (2.8-3.5 Ma). The missing interval of time (1-2.5 Ma) is the duration between emplacement of the salt sheet and burial of the sheet. Sheet extrusion began in the late Miocene to early Pliocene, and sheet burial began in the late Pliocene in the area of the submarine trough to early Pleistocene in the area of the massifs.

Seni, S.J. (Univ. of Texas, Austin (United States))

1991-03-01T23:59:59.000Z

16

ARTICLE IN PRESS Gulf of Guinea continental slope and Congo (Zaire) deep-sea fan  

E-Print Network [OSTI]

Gabon, Congo and Angola, presents large depocenters where sediments have been accumulating since Early is shifted northward and reaches the Congo­Gabon boundary on the shelf. Sedimentation on the slope directed long- shore drifts that build extensive sand bars along the Congo and Gabon shoreline. The low

Demouchy, Sylvie

17

The Cascade of Tidal Energy from Low to High Modes on a Continental Slope SAMUEL M. KELLY* AND JONATHAN D. NASH  

E-Print Network [OSTI]

The Cascade of Tidal Energy from Low to High Modes on a Continental Slope SAMUEL M. KELLY. Kelly, University of Western Australia, M015 SESE, 35 Stirling Hwy., Crawley, WA 6009, Australia. E-mail: samuel.kelly@uwa.edu.au JULY 2012 K E L L Y E T A L . 1217 DOI: 10.1175/JPO-D-11-0231.1 ? 2012 American

18

Trophic interactions of fish communities at midwater depths enhance long-term carbon storage and benthic production on continental slopes  

Science Journals Connector (OSTI)

...communities at midwater depths enhance long-term carbon storage and benthic production on continental...and transferring carbon to deep long-term storage. Global peaks in biomass and...energy extraction industries, and waste disposal [3-8]. Research...

2014-01-01T23:59:59.000Z

19

Spectral analysis of the efficiency of vertical mixing in the deep ocean due to interaction of tidal currents with a ridge running down a continental slope  

SciTech Connect (OSTI)

Efficiency of mixing, resulting from the reflection of an internal wave field imposed on the oscillatory background flow with a three-dimensional bottom topography, is investigated using a linear approximation. The radiating wave field is associated with the spectrum of the linear model, which consists of those mode numbers n and slope values ?, for which the solution represents the internal waves of frequencies ? = n?0 radiating upwrad of the topography, where ?0 is the fundamental frequency at which internal waves are generated at the topography. The effects of the bottom topography and the earths rotation on the spectrum is analyzed analytically and numerically in the vicinity of the critical slope, which is a slope with the same angle to the horizontal as the internal wave characteristic. In this notation, ? is latitude, f is the Coriolis parameter and N is the buoyancy frequency, which is assumed to be a constant, which corresponds to the uniform stratification.

Ibragimov, Ranis N.; Tartakovsky, Alexandre M.

2014-10-29T23:59:59.000Z

20

Seismic stratigraphy and structure of the Barter Island sector of the Western Beaufort Sea  

E-Print Network [OSTI]

) is currently motivating additional studies along the coastal region (Magoon and Bird, in press). The presence of the AN(JR along the coastal plain of the Barter Island sector has stopped the development of onshore drilling in the region. The geology of ANWR... trackline coverage of the Beaufort Sea and the physiography of the coastal plain Worth Slope, Alaska. Figure 3. Free-air gravity map of the Barter Island sector Figure 4. Location of the Chukchi, Barrow, and Barter Island sectors with the postulated...

Coffman, Jeffrey Dale

2012-06-07T23:59:59.000Z

Note: This page contains sample records for the topic "beaufort continental slope" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


21

BEAUFORT COUNTY With 1,501 students and 4,675 alumni, there's no limit  

E-Print Network [OSTI]

for the Beaufort and Salkehatchie campuses, fy 2012) Beaufort County Baruch Institute Carolina on King USCBEAUFORT COUNTY With 1,501 students and 4,675 alumni, there's no limit to Gamecock pride in Beaufort County. This report highlights the university's impact on your community. January 2013

Almor, Amit

22

Beaufort County, South Carolina: Energy Resources | Open Energy Information  

Open Energy Info (EERE)

Beaufort County, South Carolina: Energy Resources Beaufort County, South Carolina: Energy Resources Jump to: navigation, search Equivalent URI DBpedia Coordinates 32.2860396°, -80.7214417° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":32.2860396,"lon":-80.7214417,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

23

Seasonal variation of upwelling in the Alaskan Beaufort Sea: Impact of sea ice cover  

E-Print Network [OSTI]

that lateral ocean heat flux from the shelf to the basin melts a substantial amount of ice in the marginal iceSeasonal variation of upwelling in the Alaskan Beaufort Sea: Impact of sea ice cover Lena M to characterize differences in upwelling near the shelf break in the Alaskan Beaufort Sea due to varying sea ice

Pickart, Robert S.

24

Seasonal variation of upwelling in the Alaskan Beaufort Sea: Impact of sea ice cover  

E-Print Network [OSTI]

ocean heat flux42 from the shelf to the basin melts a substantial amount of ice in the marginal ice Seasonal variation of upwelling in the Alaskan Beaufort Sea: Impact of sea ice cover Lena M the shelfbreak in the Alaskan Beaufort Sea due to3 varying sea-ice conditions. The record is divided into three

Pickart, Robert S.

25

File:Beaufort wind scale.pdf | Open Energy Information  

Open Energy Info (EERE)

source source History View New Pages Recent Changes All Special Pages Semantic Search/Querying Get Involved Help Apps Datasets Community Login | Sign Up Search File Edit History Facebook icon Twitter icon » File:Beaufort wind scale.pdf Jump to: navigation, search File File history File usage Metadata File:Beaufort wind scale.pdf Size of this preview: 463 × 599 pixels. Other resolution: 464 × 600 pixels. Full resolution ‎(1,275 × 1,650 pixels, file size: 28 KB, MIME type: application/pdf) [Category:Wind for Schools Portal Curricula]] File history Click on a date/time to view the file as it appeared at that time. Date/Time Thumbnail Dimensions User Comment current 16:44, 2 January 2014 Thumbnail for version as of 16:44, 2 January 2014 1,275 × 1,650 (28 KB) Foteri (Talk | contribs) [Category:Wind for Schools Portal Curricula]][[Category:Wind for Schools Elementary School Curricula]

26

DOE-Sponsored Beaufort Sea Expedition Studies Methane's Role in Global  

Broader source: Energy.gov (indexed) [DOE]

Beaufort Sea Expedition Studies Methane's Role in Beaufort Sea Expedition Studies Methane's Role in Global Climate Cycle DOE-Sponsored Beaufort Sea Expedition Studies Methane's Role in Global Climate Cycle October 29, 2009 - 1:00pm Addthis Washington, D.C. -- Increased understanding of methane's role in the global climate cycle and the potential of methane hydrate as a future energy resource could result from a recent joint research expedition off the coast of northeastern Alaska involving the Office of Fossil Energy's National Energy Technology Laboratory (NETL). Link to the project web siteThe Beaufort Sea expedition, which included research partners from the U.S. Naval Research Laboratory and Royal Netherlands Institute for Sea Research, gathered a wealth of data to help understand "fluxes," or changes in the concentration of methane within and

27

DOE-Sponsored Beaufort Sea Expedition Studies Methane's Role in Global  

Broader source: Energy.gov (indexed) [DOE]

DOE-Sponsored Beaufort Sea Expedition Studies Methane's Role in DOE-Sponsored Beaufort Sea Expedition Studies Methane's Role in Global Climate Cycle DOE-Sponsored Beaufort Sea Expedition Studies Methane's Role in Global Climate Cycle October 29, 2009 - 1:00pm Addthis Washington, D.C. -- Increased understanding of methane's role in the global climate cycle and the potential of methane hydrate as a future energy resource could result from a recent joint research expedition off the coast of northeastern Alaska involving the Office of Fossil Energy's National Energy Technology Laboratory (NETL). Link to the project web siteThe Beaufort Sea expedition, which included research partners from the U.S. Naval Research Laboratory and Royal Netherlands Institute for Sea Research, gathered a wealth of data to help understand "fluxes," or changes in the concentration of methane within and

28

Interannual variability of the Pacific water boundary current in the Beaufort Sea  

E-Print Network [OSTI]

Between 2002 and 2011 a single mooring was maintained in the core of the Pacific Water boundary current in the Alaskan Beaufort Sea near 152 W. Using velocity and hydrographic data from six year-long deployments during ...

Brugler, Eric T

2013-01-01T23:59:59.000Z

29

North Slope of Alaska  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

govSitesNorth Slope of Alaska govSitesNorth Slope of Alaska NSA Related Links Facilities and Instruments Barrow Atqasuk ES&H Guidance Statement Operations Science Field Campaigns Visiting the Site Images Information for Guest Scientists Contacts North Slope of Alaska Barrow: 71° 19' 23.73" N, 156° 36' 56.70" W Atqasuk: 70° 28' 19.11" N, 157° 24' 28.99" W The North Slope of Alaska (NSA) site is providing data about cloud and radiative processes at high latitudes. Centered at Barrow and extending to the south (to the vicinity of Atqasuk), west (to the vicinity of Wainwright), and east (towards Oliktok), the NSA site has become a focal point for atmospheric and ecological research activity on the North Slope. The principal instrumented facility was installed near Barrow in 1997,

30

Photobiogeochemical cycling of carbon monoxide in the southeastern Beaufort Sea in spring and autumn  

E-Print Network [OSTI]

Photobiogeochemical cycling of carbon monoxide in the southeastern Beaufort Sea in spring the distribution, photoproduction, microbial uptake, and air­sea exchange of carbon monoxide (CO), a key that in warmer seas. Carbon monoxide (CO) is the dominant sink for hydroxyl radicals in the troposphere, thus

Vincent, Warwick F.

31

Steep Slope Calculator  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Steep Slope Calculator Steep Slope Calculator Estimates Cooling and Heating Savings for Residential Roofs with Non-Black Surfaces Enter A State: Select a state Alabama Alaska Arkansas Arizona California Colorado Connecticut Delaware Florida Georgia Hawaii Iowa Idaho Illinois Indiana Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montana North Carolina North Dakota Nebraska Nevada New Hampshire New Jersey New Mexico New York Ohio Oklahoma Oregon Pennsylvania Pacific Islands Puerto Rico Rhode Island South Carolina South Dakota Tennessee Texas Utah Vermont Virginia Washington Wisconsin West Virginia Wyoming Canadian Cities Enter A City: Select a city Click to see Data for All 243 Locations Roof Inputs: R-value(Btu-in/(hr ft2 oF):

32

Cs-137 in the Savannah River and the Beaufort-Jasper and Port Wentworth water-treatment plants  

SciTech Connect (OSTI)

Cesium-137 concentration measurements made in 1965 are reported for the Savannah River above and below the Savannah River Plant (SRP) and for the Beaufort-Jasper and Port Wentworth water treatment plants down river. These concentrations, measured when four SRP reactors (C, K, L, and P) were operating, were used to estimate Cs-137 reduction ratios for transport in the Savannah River and across each water treatment plant. In 1965 there was a 48% reduction in the Cs-137 concentration in the Savannah River between Highway 301 and the water treatment plant inlet points. Measured Cs-137 values in the finished water from Port Wentworth and the Beaufort-Jasper water treatment plants showed an 80% and 98% reduction in concentration level, respectively, when compared to Cs-137 concentration at Highway 301. The lower Cs-137 concentration (0.04 pCi/l) in the Beaufort-Jasper finished water is attributed to dilution in the canal from inflow of surface water (40%) and sediment cleanup processes that take place in the open portions of the canal (about 17 to 18 miles). Using the 1965 data, maximum Cs-137 concentrations expected in finished water in the Beaufort-Jasper and Port Wentworth water treatment plants following L-Reactor startup were recalculated. The recalculated values are 0.01 and 0.09 pCi/l for Beaufort-Jasper and Port Wentworth, respectively, compared to the 1.05 pCi/l value in the Environmental Assessment.

Hayes, D.W.; Boni, A.L.

1983-01-10T23:59:59.000Z

33

Sedimentation and structure of the continental margin in the vicinity of the Otway Basin, southern Australia  

Science Journals Connector (OSTI)

The continental margin of southern Australia is divisible into four contrasting physiographic provinces on the basis of shelf-break depth and continental slope gradient. These provinces correspond with four structural provinces, which in turn are intimately related to the geology. Zones of relatively stable pre-Mesozoic shallow basement extending out to the shelf edge characterize two of the above provinces, one of which occurs south of Kangaroo Island and the other off Tasmania's northwest coast. In contrast, zones of Mesozoic to Tertiary deep offshore basin formation typify the remaining two provinces, one being situated at the eastern end of the Great Australian Bight and the other along the seaward portion of the Otway Basin. A possible model is presented, based on an assumption of continental rifting and drifting, which explains the structural peculiarities of that portion of the Otway Basin which occurs beneath the present continental shelf and upper slope.

C.C. Von Der Borch; J.R. Conolly; R.S. Dietz

1970-01-01T23:59:59.000Z

34

A chronostratigraphic framework for the northwestern slope of the gulf of mexico  

E-Print Network [OSTI]

Sediments from two cores, JPC31 and JPC46, were analyzed to better understand the relationship between climate and sediment deposition on the continental slope of the northwestern Gulf of Mexico. These two cores were selected from a suite of cores...

Elston, Kristen Eileen

2007-04-25T23:59:59.000Z

35

FINAL REPORT CANYON AND SLOPE  

E-Print Network [OSTI]

and the influence of canyons on slope cur- rents ; f) identification of communities which may be affected by oil#12;FINAL REPORT CANYON AND SLOPE PROCESSES STUDY VOLUME I EXECUTIVE S(2@lARY Prepared for United and provides diverse habi- tats for biological communities. In the Mid- and North Atlantic Region, canyons have

Mathis, Wayne N.

36

Continental collisions and seismic signature  

Science Journals Connector (OSTI)

......continental collision exhibit flat Mohos and subhorizontal reflections...belt in the southern Canadian Rocky Mountains, inThrust and Nappe...continental collision exhibit flat Mohos and subhorizontal reflections...belt in the southern Canadian Rocky Mountains, in Thrust and Nappe......

R. Meissner; Th. Wever; P. Sadowiak

1991-04-01T23:59:59.000Z

37

North Slope (Wahluke Slope) expedited response action cleanup plan  

SciTech Connect (OSTI)

The purpose of this action is to mitigate any threat to public health and the environment from hazards on the North Slope and meet the expedited response action (ERA) objective of cleanup to a degree requiring no further action. The ERA may be the final remediation of the 100-I-3 Operable Unit. A No Action record of decision (ROD) may be issued after remediation completion. The US Department of Energy (DOE) currently owns or administers approximately 140 mi{sup 2} (about 90,000 acres) of land north and east of the Columbia River (referred to as the North Slope) that is part of the Hanford Site. The North Slope, also commonly known as the Wahluke Slope, was not used for plutonium production or support facilities; it was used for military air defense of the Hanford Site and vicinity. The North Slope contained seven antiaircraft gun emplacements and three Nike-Ajax missile positions. These military positions were vacated in 1960--1961 as the defense requirements at Hanford changed. They were demolished in 1974. Prior to government control in 1943, the North Slope was homesteaded. Since the initiation of this ERA in the summer of 1992, DOE signed the modified Hanford Federal Agreement and Consent Order (Tri-Party Agreement) with the Washington Department of Ecology (Ecology) and the US Environmental Protection Agency (EPA), in which a milestone was set to complete remediation activities and a draft closeout report by October 1994. Remediation activities will make the North Slope area available for future non-DOE uses. Thirty-nine sites have undergone limited characterization to determine if significant environmental hazards exist. This plan documents the results of that characterization and evaluates the potential remediation alternatives.

Not Available

1994-02-01T23:59:59.000Z

38

On the Link between Arctic Sea Ice Decline and the Freshwater Content of the Beaufort Gyre: Insights from a Simple Process Model  

Science Journals Connector (OSTI)

Recent satellite and hydrographic observations have shown that the rate of freshwater accumulation in the Beaufort Gyre of the Arctic Ocean has accelerated over the past decade. This acceleration has coincided with the dramatic decline observed in ...

Peter E. D. Davis; Camille Lique; Helen L. Johnson

2014-11-01T23:59:59.000Z

39

Potential causes for slope instabilities of under-consolidated marine sediments  

SciTech Connect (OSTI)

Offshore studies have been completed in the Gulf of Guinea, off West Africa. An area has been selected over the Gabon continental slope. A morpho-sedimentological zonation is made regarding acoustic data and geotechnical characteristics of sampled sediments. An old slide has been considered as a criteria for estimating realistic slope failure conditions. Both drained and undrained formulations tend to prove that fluid escape is the most realistic explanation for slides occurrence. Regional hazard charts also allow them to present unstable zones and build up criteria for structures implantation.

Quemeneur, P.; Tisot, J.P. [ENSG, Vandoeuvre-les-Nancy (France). Laboratoire de Geomecanique; Cochonat, P.; Bourillet, J.F.; d`Oultremont, V. [IFREMER, Plouzane (France); Colliat, J.L.; Tofani, R. [Elf Aquitaine Production, Pau (France)

1995-12-31T23:59:59.000Z

40

Slope failures in Hong Kong  

Science Journals Connector (OSTI)

...the large catchment area. Summary The most abundant failures during multiple events are the Type 1 and 2 slips, or combina- Iions such as in Fig. 1 lb, and these have the most disastrous consequences. Isolated events SLOPE FAILURES IN HONG KONG 59 and...

Peter Lumb

Note: This page contains sample records for the topic "beaufort continental slope" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


41

Drilling and operational sounds from an oil production island in the ice-covered Beaufort Sea  

Science Journals Connector (OSTI)

Recordings of sounds underwater and in air and of iceborne vibrations were obtained at Northstar Island an artificial gravel island in the Beaufort Sea near Prudhoe Bay (Alaska). The aim was to document the levels characteristics and range dependence of sounds and vibrations produced by drilling and oil production during the winter when the island was surrounded by shore-fast ice. Drilling produced the highest underwater broadband (1010?000 Hz) levels (maximum=124 dB re: 1 ?Pa at 1 km) and mainly affected 7001400 Hz frequencies. In contrast drilling did not increase broadband levels in air or ice relative to levels during other island activities. Production did not increase broadband levels for any of the sensors. In all media broadband levels decreased by ?20 dB/tenfold change in distance. Background levels underwater were reached by 9.4 km during drilling and 34 km without. In the air and ice background levels were reached 510 km and 210 km from Northstar respectively depending on the wind but irrespective of drilling. A comparison of the recorded sounds with harbor and ringed seal audiograms showed that Northstar sounds were probably audible to seals at least intermittently out to ?1.5 km in water and ?5 km in air.

Susanna B. Blackwell; Charles R. Greene Jr.; W. John Richardson

2004-01-01T23:59:59.000Z

42

Transport and transfer rates in the waters of the continental shelf. Annual report  

SciTech Connect (OSTI)

The goal of govern project is to understand and quantify the processes that the transport and dispersal of energy-related pollutants introduced to the waters of the continental shelf and slope. The report is divided into sections dealing with processes associated with suspended solids; processes associated with sediments sinks for radionuclides and other pollutants; and spreading of water characteristics and species in solution. (ACR)

Biscaye, P.E.

1980-09-01T23:59:59.000Z

43

Surficial sediments of the continental rise and slope, Niger Delta, West Africa: properties and geology  

E-Print Network [OSTI]

studies, it also attempted to shed some light on the effects of the ongoing gravity tectonics, and the region's unique littoral circulation pattern, on surface sedimentation in deep water. To achieve its goals this study employed select geotechnical tests...

Kobilka, David William

2012-06-07T23:59:59.000Z

44

Clay mineralogy and its effect on physical properties in the Gulf of Mexico northwestern continental slope  

E-Print Network [OSTI]

plastic limit, only occur below 10-15 m of sediments. Another observation that emerges from the plots of fig. 6 is that Atterberg limits and liquid limit in particular, change considerably between sedi- ments of different units. For instance, Unit C... plastic limit, only occur below 10-15 m of sediments. Another observation that emerges from the plots of fig. 6 is that Atterberg limits and liquid limit in particular, change considerably between sedi- ments of different units. For instance, Unit C...

Berti, Debora

2005-02-17T23:59:59.000Z

45

The shallow geologic features of the upper continental slope, northern Gulf of Mexico  

E-Print Network [OSTI]

System. Navigation. Seismic Data Interpretation. Bathymetry. Identification of Geological Features. . Drilling and Coring Surveys. Isopach Maps anci Sedil. lent Velociiy OBSERVATIONS. Hath metrv 10 13 13 13 15 20 20 Physiograohic...). The geologic structures seen in the upper 300 m (1000 ft) of sediment are mainly a result of the large influx of terrigenous sediments and deep seated salt tectonism. Drilling and seismic stratigraphy have confirmed that numerous topographic highs...

Buck, Arvo Viktor

2012-06-07T23:59:59.000Z

46

Distribution of high molecular weight hydrocarbons in northern Gulf of Mexico continental slope sediments  

E-Print Network [OSTI]

odd- carbon preference in the n-C23 to n-C33 region. Marine inputs are often distinguishable by the presence of odd-chain normal alkanes with 15, 17, and 19 carbon 8'toms . 3- In petroleum, pristane and phytane are present at similar... in the upper 15 cm of marine sand ranged from 0. 2 to 19. 9 pg/g. No strong evidence for oil pollution was found in the study area. However, one sample with a relatively high hydrocarbon/organic carbon ratio may have been contaminated with petroleum...

Sericano, Jose Luis

1986-01-01T23:59:59.000Z

47

Interpretation of side-scan sonar images from hydrocarbon seep areas of the Louisiana continental slope  

E-Print Network [OSTI]

seeps are crude oil or gas that occurs on the earth's surface, having migrated from underlying buried source strata along faults. Hydrocarbon seeps can alter acoustic properties of the sediment in which they occur and these alterations can be detected...

Hou, Rusheng

2012-06-07T23:59:59.000Z

48

Sulfur geochemistry of thermogenic gas hydrate and associated sediment from the Texas-Louisiana continental slope  

E-Print Network [OSTI]

total reduced sulfide (TRS), acid volatile sulfide, and citrate-dithionate and HCl extractable iron. Pore-fluid measurements included []H?S, chloride, sulfate, ammonia and total dissolved inorganic carbon. Gas hydrate hydrogen sulfide and carbon dioxide...

Gledhill, Dwight Kuehl

2001-01-01T23:59:59.000Z

49

Submarine topography and sediments of the lower continental slope off East-Central Mexico  

E-Print Network [OSTI]

REPRODUCTIONS OF X-RAY DIFFRACTOGRAMS . 53 APPENDIX C CORE DESCRIPTION FOR 20E, 21E and 30E 71 LIST OF TABLES Table 1. Results of grain size and clay mineral analyses for Cores 20E and 21E Page 19 2. Results of grain size and clay mineral analyses... for Core 30E 20 3. Characteristic d-spacings for commonly occur- ring minerals in the +2 p fraction 26 4. Core descriptions 72 LIS'I OF FIGURES Figure Index map of the Gulf of Mexico showing area of investigation Page Locations of available ships...

Baie, Lyle Frederick

2012-06-07T23:59:59.000Z

50

Seoul, South Korea -classification deteriorating slope stability -Robert Hack 1 SLOPE STABILITY CLASSIFICATION  

E-Print Network [OSTI]

Seoul, South Korea - classification deteriorating slope stability - Robert Hack 1 SLOPE STABILITY CLASSIFICATION OF TIME DEPENDENT DETERIORATING SLOPES Seoul, Korea, 29 February 2008 Robert Hack Engineering) The Netherlands #12;Seoul, South Korea - classification deteriorating slope stability - Robert Hack 2 Jan van

Hack, Robert

51

Plankton blooms, ocean circulation and the European slope current: Response to weather and climate in the Bay of Biscay and W English Channel (NE Atlantic)  

Science Journals Connector (OSTI)

Abstract The flow of upper-layer surface water and circulation for the Bay of Biscay, continental slope and in the wider region of the NE Atlantic is presented, as well as the seasonality of flow and internal tides. The marine plankton environments of Biscay Ocean, Biscay Eddies, Biscay Slope and Biscay Shelf are defined. The Shelf region (Armorican and Celtic) is further divided into Stratified Shelf, Frontal and Tidally Mixed. Seasonal distributions of chlorophyll a are given for all environment from in situ measurements and remote sensing data. Mixing and stabilisation of surface water in the euphotic layer for the start of the spring bloom using in situ profiling measurements is examined. Some regional responses for the slope current, dinoflagellate blooms and interannual variations in spring diatom numbers with respect to weather and climate in the Bay of Biscay and around the British Isles are suggested and discussed. An example of the Eastern European Ocean Margin continental slope response to winter weather (sea level atmospheric pressure forcing) resulting in warm winter water in the southern Bay of Biscay (Navidad, with eddy production) and off the Shetland continental slopes (the warm-water supply route to the Arctic) is given from the slope climate observation series.

Robin D. Pingree; Carlos Garcia-Soto

2014-01-01T23:59:59.000Z

52

Microfluidics: On the Slope of Enlightenment  

Science Journals Connector (OSTI)

Microfluidics: On the Slope of Enlightenment ... Now that the hype has blown over, will microfluidics live up to its promise of providing marketable applications? ... Does microfluidics sell? ...

Rajendrani Mukhopadhyay

2009-05-07T23:59:59.000Z

53

Enumerative and Algebraic Aspects of Slope Varieties  

E-Print Network [OSTI]

.4 Grassmannians and algebraic geometry . . . . . . . . . . . . . . . . . 10 2.4.1 Grassmannians . . . . . . . . . . . . . . . . . . . . . . . . . . 13 2.4.2 Schubert cells . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 2.5 Graph varieties... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 2.5.1 Picture space . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 2.5.2 Defining ideal for the slope variety . . . . . . . . . . . . . . . . 18 2.5.3 Grobner bases . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 3 Slope...

Enkosky, Thomas

2011-05-18T23:59:59.000Z

54

Phylogeography of Rhinichthys cataractae (Teleostei: Cyprinidae): pre-glacial colonization across the Great Continental Divide and Pleistocene diversification within the Rio Grande drainage  

E-Print Network [OSTI]

areas for Rhinichthys and closely related species obtained from a Bayesian Binary MCMC (BBM) analysis implemented in RASP ....................................................................................... 22... that contributed to the present-day distribution of R. cataractae are unknown. To the east of the Continental Divide, R. cataractae is widespread and found in all major river systems draining the Atlantic slope (i.e., the St. Lawrence, Hudson, Potomac...

Kim, Dae Min

2013-09-16T23:59:59.000Z

55

North Slope export ban in repealed  

SciTech Connect (OSTI)

The U.S. Senate and House both approve a bill lifting the 20-year-old ban on exports from the North Slope. The importance of this action is described.

NONE

1995-08-01T23:59:59.000Z

56

March 13, 1968: Oil discovered on Alaska's North Slope | Department...  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

13, 1968: Oil discovered on Alaska's North Slope March 13, 1968: Oil discovered on Alaska's North Slope March 13, 1968: Oil discovered on Alaska's North Slope March 13, 1968 The...

57

Continentality: its estimation and physical significance  

E-Print Network [OSTI]

the North American continent as a whole. In addition, the Rocky Mountain and Great Lakes-Appalachia regions were chosen for mesoscale analysis in order to determine what effect elevation and large water bod1es have on lag. Isopleth analyses... . . . . . . . . . . . . . . . . . . 57 LIST OF FIGURES Figure 1 Continentality of North America according to Conrad 2 Stations used for continental scale analysis. 3 Rocky Mountain stations 4 Great Lakes-Appalachia stations Page 15 16 17 5 (Jun + Jul) - (Dec + Jan) radiation...

Yee Fong, Juan Manuel

1985-01-01T23:59:59.000Z

58

Goal: Stem N. Slope output decline  

SciTech Connect (OSTI)

Alaska North Slope production peaked at 2 million b/d in 1988 and since then has declined to a present 1.4 million b/d. For the next few years, ARCO`s net production will decline as North Slope oil production continues to fall. With a five-year Alaska budget of $1.15 billion, the company has ambitious plans to continue the large role is has played in Alaskan oil development. The paper discusses the infilling of Prudhoe Bay, exploring satellite fields, production at Colville River delta, and BP`s strategy.

NONE

1996-06-24T23:59:59.000Z

59

Continental Biofuels Corporation | Open Energy Information  

Open Energy Info (EERE)

Continental Biofuels Corporation Continental Biofuels Corporation Jump to: navigation, search Name Continental Biofuels Corporation Place Dallas, Texas Zip 75240 Sector Biofuels Product Dallas-based company devoted to agribusiness in Southeast Asia. The firms focus its agribusiness acquisitions on crops, especially palm oil plantations, that can be used as biofuels. Coordinates 32.778155°, -96.795404° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":32.778155,"lon":-96.795404,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

60

NETL F 451.1/1-1, Categorical Exclusion Designation Form  

Broader source: Energy.gov (indexed) [DOE]

University (SMU) University (SMU) FE Oregon State University SCNGO/NGOPMD FY13-15/ 10/1/2012 - 9/30/2015 Robert Vagnetti Offshore Alaska, Beaufort Sea Gas Hydrate Dynamics on the Alaskan Beaufort Continental Slope: Modeling and Field Characterization The research objective is to assess the upper edge of deepwater methane hydrate stability on the Alaskan Beaufort Slope to determine if it is in equilibrium with present-day climate conditions. B3.16 - Research cruise/sampling Robert Vagnetti Digitally signed by Robert Vagnetti DN: cn=Robert Vagnetti, o, ou=NGOPMD, email=robert.vagnetti@netl.doe.gov, c=US Date: 2012.09.25 08:29:45 -04'00' 09 25 2012 Mark Lusk Digitally signed by Mark Lusk DN: cn=Mark Lusk, o=ECD, ou=DOE-NETL, email=mark.lusk@netl.doe.gov, c=US Date: 2012.09.27 12:56:35

Note: This page contains sample records for the topic "beaufort continental slope" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


61

NETL F 451.1/1-1, Categorical Exclusion Designation Form  

Broader source: Energy.gov (indexed) [DOE]

University University FE Oregon State University SCNGO/NGOPMD FY13-15/ 10/1/2012 - 9/30/2015 Robert Vagnetti Offshore Alaska, Beaufort Sea Gas Hydrate Dynamics on the Alaskan Beaufort Continental Slope: Modeling and Field Characterization The research objective is to assess the upper edge of deepwater methane hydrate stability on the Alaskan Beaufort Slope to determine if it is in equilibrium with present-day climate conditions. B3.16 Research cruise- heat flow Robert Vagnetti Digitally signed by Robert Vagnetti DN: cn=Robert Vagnetti, o, ou=NGOPMD, email=robert.vagnetti@netl.doe.gov, c=US Date: 2012.09.25 08:29:45 -04'00' 09 25 2012 Mark Lusk Digitally signed by Mark Lusk DN: cn=Mark Lusk, o=ECD, ou=DOE-NETL, email=mark.lusk@netl.doe.gov, c=US Date: 2012.09.27 13:01:13

62

LESSONS LEARNED FROM A LANDFILL SLOPE FAILURE INVOLVING  

E-Print Network [OSTI]

LESSONS LEARNED FROM A LANDFILL SLOPE FAILURE INVOLVING GEOSYTNTHETICS Virginia L. Wilson.L. Soderman and G.P. Raymond November 12, 1998 #12;LESSONS LEARNED FROM A LANDFILL SLOPE FAILURE INVOLVING slopes at waste containment facilities. The Geneva Landfill is located near Geneva, Ohio which

63

Acoustic detection and long-term monitoring of pygmy blue whales over the continental slope in southwest Australia  

Science Journals Connector (OSTI)

A 9-yr dataset of continuous sea noise recording made at the Cape Leeuwin station of the Comprehensive Nuclear-Test-Ban Treaty hydroacoustic network in 20022010 was processed to detect calls from pygmy blue whales and to analyze diel seasonal and interannual variations in their vocal activity. Because the conventional spectrogram correlation method for recognizing whale calls in sea noise resulted in a too high false detection rate alternative algorithms were tested and the most robust one applied to the multi-year dataset. The detection method was based on multivariate classification using two spectrogram features of transients in sea noise and Fisher's linear discriminant which provided a misclassification rate of approximately 1% for missed and false detections at moderate sensitivity settings. An analysis of the detection results revealed a consistent seasonal pattern in the whale presence and considerable interannual changes with a steady increase in the number of calls detected in 20022006. An apparent diel pattern of whales' vocal activity was also observed. The acoustic detection range for pygmy blue whales was estimated to vary from about 50?km to nearly 200?km from the Cape Leeuwin station depending on the ambient noise level source level and azimuth to a vocalizing whale.

Alexander N. Gavrilov; Robert D. McCauley

2013-01-01T23:59:59.000Z

64

The sedimentological and geotechnical characteristics of the lower continental slope and rise of the Mississippi Fan fold belt  

E-Print Network [OSTI]

The study is based on geological and geotechnical laboratory testing data of 70 three inch diameter piston cores. Concentration is along the Sigsbee Escarpment in a grid area between 90? and 91?W and 26.7? and 27.3?N. Water depth ranges from 1...

Ramazanova, Rahila

2012-06-07T23:59:59.000Z

65

Progress of studies on the internal tide generated by the passage of barotropic tide over continental shelf/slope  

Science Journals Connector (OSTI)

Both beam-like structure and modal structure of internal tides may exist in the ocean. Bottom intensifications ... result of nonlinear interaction among waves. The energy may decay very fast so that internal tides

Jiang Mingshun; Fang Xinhua

1992-06-01T23:59:59.000Z

66

3-D multichannel seismic reflection study of variable-flux hydrocarbon seeps, continental slope, northern Gulf of Mexico  

E-Print Network [OSTI]

. The reprocessed 3D seismic data were used to map in greater detail near seafloor features and amplitude anomalies. Using remote sensing geophysical data, we were effectively able to map sub-surface features such as salt topography, seep-related faults...

Thomas, Ryan Douglas

2004-11-15T23:59:59.000Z

67

Laminated sediments from the central Peruvian continental slope: A 500 year record of upwelling system productivity, terrestrial  

E-Print Network [OSTI]

by 210 Pb and 14 C radiometric dating. This shift is characterized by an increase in total organic carbon and is one of the most productive marine ecosystems in the world (Pennington et al., 2006; Zuta and Guillén, 1970). Due to its large latitudinal extension, the upwelling varies in intensity and persistency during

Paris-Sud XI, Université de

68

Solar radiation on variously oriented sloping surfaces  

SciTech Connect (OSTI)

Monthly average daily irradiation on surfaces tilted towards the equator and also inclined at various azimuth angles are estimated for two locations in Lesotho and the results are presented. The isotropic model suggested by Liu and Jordan (Trans. of Ashrae, 526, 1962) along with the modified equation of Klein (Solar Energy, 19, 4, 1977) are employed for the estimation purposes. Surface orientations are selected at three inclinations for six different azimuth angles. Conclusions are reached for optimum tilt and orientation for summer, winter and annual collection. Total annual radiation values are computed for all the slopes and orientations.

Gopinathan, K.K. (National Univ. of Lesotho, Roma (South Africa))

1991-01-01T23:59:59.000Z

69

Outer Continental Shelf Lands Act | Open Energy Information  

Open Energy Info (EERE)

Outer Continental Shelf Lands Act Outer Continental Shelf Lands Act Jump to: navigation, search Statute Name Outer Continental Shelf Lands Act Year 1953 Url [[File:|160px|link=]] Description References Outer Continental Shelf Lands Act pdf[1] This article is a stub. You can help OpenEI by expanding it. Enacted in 1953, the Outer Continental Lands Act provides for the jurisdiction of the United States over the submerged lands of the outer Continental Shelf, and authorizes the Secretary of the Interior to lease such lands for certain purposes. "It is hereby declared to be the policy of the United States that- (1) the subsoil and seabed of the outer Continental Shelf appertain to the United States and are subject to its jurisdiction, control, and power of disposition as provided in this Act..."

70

TRANSPORTATION ISSUES IN THE DELIVERY OF GTL PRODUCTS FROM ALASKAN NORTH SLOPE TO MARKET  

SciTech Connect (OSTI)

The Alaskan North Slope (ANS) is one of the largest hydrocarbon reserves in the United States where Gas-to-Liquids (GTL) technology can be successfully implemented. The proven and recoverable reserves of conventional natural gas in the developed and undeveloped fields in the Alaskan North Slope (ANS) are estimated to be 38 trillion standard cubic feet (TCF) and estimates of additional undiscovered gas reserves in the Arctic field range from 64 TCF to 142 TCF. Because the domestic gas market in the continental United States is located thousands of miles from the ANS, transportation of the natural gas from the remote ANS to the market is the key issue in effective utilization of this valuable and abundant resource. The focus of this project is to study the operational challenges involved in transporting the gas in converted liquid (GTL) form through the existing Trans Alaska Pipeline System (TAPS). A three-year, comprehensive research program was undertaken by the Petroleum Development Laboratory, University of Alaska Fairbanks, under cooperative agreement No. DE-FC26-98FT40016 to study the feasibility of transporting GTL products through TAPS. Cold restart of TAPS following an extended winter shutdown and solids deposition in the pipeline were identified as the main transportation issues in moving GTL products through the pipeline. The scope of work in the current project (Cooperative Agreement No. DE-FC26-01NT41248) included preparation of fluid samples for the experiments to be conducted to augment the comprehensive research program.

Godwin Chukwu

2004-01-01T23:59:59.000Z

71

Dendrogeomorphic approach to estimating slope retreat, Maxey Flats, Kentucky  

SciTech Connect (OSTI)

A dendrogeomorphic study of slope retreat was conducted at the Maxey Flats nuclear-waste disposal site in northeastern Kentucky. Tree roots exposed by surface lowering were used as an indicator of ground surface at the time of germination. The amount of lowering was measured and divided by tree-ring-determined tree age. Surface lowering and slope degradation rates were estimated for three slopes below waste-burial trenches and compared with data obtained from sediment troughs and erosion frames at the site. Mean rates of slope retreat ranged from 1.92 to 3.16 mm/yr. Sediment-trough results are two to three orders of magnitude less than dendrogeomorphic and erosion-frame estimates of slope degradation, which suggests that piping and solution-weathering processes may be important in slope degradation. Slope aspect and declivity may be important factors affecting retreat of slopes with a uniform lithology. Dendrogeomorphic techniques provide results comparable to those in the literature and offer a rapid method for estimating slope retreat that integrates slope processes over many years.

Hupp, C.R. (Geological Survey, Reston, VA (USA)); Carey, W.P. (Geological Survey, Lakewood, CO (USA))

1990-07-01T23:59:59.000Z

72

ALASKA NORTH SLOPE OIL AND GAS RESOURCES  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

FFf Task 222.01.01 FFf Task 222.01.01 ADDENDUM REPORT Alaska North Slope Oil and Gas A Promising Future or an Area in Decline? DOE/NETL-2009/1385 April 2009 ii Disclaimer This report was prepared as an account of work sponsored by an agency of the United States Government. Neither the United States Government nor any agency thereof, nor any of their employees, makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product or process disclosed, or represents that its use would not infringe probably owned rights. References herein to any specific commercial product, process, or service by trade name, trademark, manufacturer, or otherwise, does not necessarily constitute or imply its endorsement,

73

ARM - Field Campaign - Midlatitude Continental Convective Clouds Experiment  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Experiment (MC3E) Experiment (MC3E) Campaign Links Science Plan MC3E Website Related Campaigns Midlatitude Continental Convective Clouds Experiment: 2DVD Support 2011.04.22, Schwaller, SGP Midlatitude Continental Convective Clouds Experiment (MC3E): Airborne Instruments 2011.04.22, Poellot, AAF Midlatitude Continental Convective Clouds Experiment (MC3E): Multi-Frequency Profilers 2011.04.22, Williams, SGP Midlatitude Continental Convective Clouds Experiment: Parsivel Disdrometer Support 2011.04.22, Schwaller, SGP Midlatitude Continental Convective Clouds Experiment (MC3E): Inner Domain Thermodynamic Profiling during MC3E 2011.04.22, Turner, SGP Comments? We would love to hear from you! Send us a note below or call us at 1-888-ARM-DATA. Send Campaign : Midlatitude Continental Convective Clouds Experiment (MC3E)

74

Page not found | Department of Energy  

Broader source: Energy.gov (indexed) [DOE]

61 - 13470 of 26,764 results. 61 - 13470 of 26,764 results. Download CX-009327: Categorical Exclusion Determination Gas Hydrate Dynamics on the Alaskan Beaufort Continental Slope: Modeling and Field Characterization CX(s) Applied: A9 Date: 09/27/2012 Location(s): Texas Offices(s): National Energy Technology Laboratory http://energy.gov/nepa/downloads/cx-009327-categorical-exclusion-determination Download CX-009328: Categorical Exclusion Determination Gas Hydrate Dynamics on the Alaskan Beaufort Continental Slope: Modeling and Field Characterization CX(s) Applied: B3.6, B3.16 Date: 09/27/2012 Location(s): Oregon Offices(s): National Energy Technology Laboratory http://energy.gov/nepa/downloads/cx-009328-categorical-exclusion-determination Download CX-009329: Categorical Exclusion Determination

75

Page not found | Department of Energy  

Broader source: Energy.gov (indexed) [DOE]

01 - 4910 of 28,905 results. 01 - 4910 of 28,905 results. Download CX-009326: Categorical Exclusion Determination Midwest Regional Carbon Sequestration Partnership - Subtask 1.7 CX(s) Applied: B3.1 Date: 09/28/2012 Location(s): Michigan Offices(s): National Energy Technology Laboratory http://energy.gov/nepa/downloads/cx-009326-categorical-exclusion-determination Download CX-009327: Categorical Exclusion Determination Gas Hydrate Dynamics on the Alaskan Beaufort Continental Slope: Modeling and Field Characterization CX(s) Applied: A9 Date: 09/27/2012 Location(s): Texas Offices(s): National Energy Technology Laboratory http://energy.gov/nepa/downloads/cx-009327-categorical-exclusion-determination Download CX-009328: Categorical Exclusion Determination Gas Hydrate Dynamics on the Alaskan Beaufort Continental Slope: Modeling

76

Sustainable Slope Stabilization Using Recycled Plastic Pin In Texas.  

E-Print Network [OSTI]

??Hossain, Md. Sahadat Shallow slope failures are predominant in the North Texas area and pose significant maintenance problems for the Texas Department of Transportation (TxDOT). (more)

Khan, Mohammad Sadik

2014-01-01T23:59:59.000Z

77

The Effect of Slope in the Casimir Rack Gear  

E-Print Network [OSTI]

The effect of slope for the rack gear in the massless scalar field model is considered. It appears, that the slope of profile surfaces can essentially change the value of normal Casimir force, whereas average value of tangential force remains almost unchanged. At the same time we observe essential shift of maximum and minimum tangential force positions.

Yuliya Voronina; Petr Silaev

2013-09-17T23:59:59.000Z

78

Suspended sediment and hydrodynamics above mildly sloped long wave ripples  

E-Print Network [OSTI]

Suspended sediment and hydrodynamics above mildly sloped long wave ripples Yeon S. Chang of suspended sediment and the associated hydrodynamics over mildly sloped long wave ripples on the inner shelf m. The vertical and temporal structures of the suspended sediment concentration (SSC) are consistent

Kirby, James T.

79

Appendix II. Calculation of Slope Factors for Naturally Occurring Radionuclides  

E-Print Network [OSTI]

Appendix II. Calculation of Slope Factors for Naturally Occurring Radionuclides In developing calculates the slope factors for the naturally occurring radionuclides under consideration. The Radionuclide products with half-lives of less than 6 months). As explained below, naturally occurring radionuclides

80

Project Aids Development of Legacy Oilfield on Alaska's North Slope |  

Broader source: Energy.gov (indexed) [DOE]

Project Aids Development of Legacy Oilfield on Alaska's North Project Aids Development of Legacy Oilfield on Alaska's North Slope Project Aids Development of Legacy Oilfield on Alaska's North Slope October 18, 2013 - 11:52am Addthis Project Aids Development of Legacy Oilfield on Alaska’s North Slope Quick Facts The National Petroleum Reserve was created by President Warren G, Harding in 1923 when the U.S. Navy was converting from coal to oil. The reserve spans 22 million acres across the western North Slope of Alaska-the largest single unit of public lands in the nation. The 800-mile-long trans-Alaska pipeline carries oil from Prudhoe Bay, on Alaska's North Slope, to Valdez, Alaska, the nearest ice-free port. More than 16 million barrels of oil have traveled through the pipeline since the first barrel flowed in 1977.

Note: This page contains sample records for the topic "beaufort continental slope" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


81

Project Aids Development of Legacy Oilfield on Alaska's North Slope |  

Broader source: Energy.gov (indexed) [DOE]

Project Aids Development of Legacy Oilfield on Alaska's North Project Aids Development of Legacy Oilfield on Alaska's North Slope Project Aids Development of Legacy Oilfield on Alaska's North Slope October 18, 2013 - 11:52am Addthis Project Aids Development of Legacy Oilfield on Alaska’s North Slope Quick Facts The National Petroleum Reserve was created by President Warren G, Harding in 1923 when the U.S. Navy was converting from coal to oil. The reserve spans 22 million acres across the western North Slope of Alaska-the largest single unit of public lands in the nation. The 800-mile-long trans-Alaska pipeline carries oil from Prudhoe Bay, on Alaska's North Slope, to Valdez, Alaska, the nearest ice-free port. More than 16 million barrels of oil have traveled through the pipeline since the first barrel flowed in 1977.

82

U-shaped slope gully systems and sediment waves on the passive margin of Gabon (West Africa)  

Science Journals Connector (OSTI)

Abstract 3-D seismic reflection data has enabled the documentation of a system of remarkable modern and buried u-shaped gullies which intimately co-exist with upslope migrating sediment waves along 80km of the Gabon continental slope. The modern gullies occur on a silty mud-dominated slope in water depths of 1501500m on an ~50km wide slope with a gradient of 4.5 decreasing to 1.5. The gully sets persist laterally for distances of at least 40km and extend downslope for distances of up to 60km. The gullies are u-shaped in cross-section, with a relief of 530m, and widths of 50400m. Intriguingly, the gullies become narrower and shallower with distance down the slope, as well as increasing in number down slope. The majority of the gullies appear to be erosional but some appear to have resulted from simultaneous aggradation along inter-gully ridges and non-deposition along the adjacent gully floor. Hence, these gullies are interpreted to have formed mainly in response to spatially-variable deposition, rather than erosion. Upslope migrating sediment waves occur in close proximity to the gullies. Gullies cross fields of sediment waves and waves are observed to migrate up-slope locally within both the erosional and aggradational gullies. Evidence is lacking for any slumping or headward erosion in the headwall region of the gullies, which discounts formation by very local sediment gravity flows originating from shelf-edge collapse, as has been observed in other v-shaped gully systems. Based on our new data, and supported by theoretical studies on the mechanics of turbidity currents, we propose that the gullies and related sediment waves were formed by diffuse, sheet-like, mud-rich turbidity currents that presumably originated on the shelf. Instabilities in the turbidity currents generated a wave-shaped perturbation in a cross-flow direction leading to regularly spaced regions of faster and slower flow. For the non-aggradational and erosional gullies it is inferred that gully axes experienced flow velocities that mainly exceeded the settling velocity of the sediment in suspension, and thus no deposition occurred. In contrast, the aggradational gullies indicate lower flow velocities with sediment deposition both within the gully axes and on the gully flanks. Mixed mode gullies are also found which indicate that successive flows can experience variations in flow properties leading to interspersed erosional and depositional events.

Lidia Lonergan; Nur Huda Jamin; Christopher A.-L. Jackson; Howard D. Johnson

2013-01-01T23:59:59.000Z

83

Federal Outer Continental Shelf Oil and Gas Production Statistics - Pacific  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Pacific Pacific Energy Data Apps Maps Challenges Resources Blogs Let's Talk Energy Beta You are here Data.gov » Communities » Energy » Data Federal Outer Continental Shelf Oil and Gas Production Statistics - Pacific Dataset Summary Description Federal Outer Continental Shelf Oil and Gas Production Statistics for the Pacific by month and summarized annually. Tags {"Minerals Management Service",MMS,Production,"natural gas",gas,condensate,"crude oil",oil,"OCS production","Outer Continental Shelf",OSC,EIA,"Energy Information Agency",federal,DOE,"Department of Energy",DOI,"Department of the Interior","Pacific "} Dataset Ratings Overall 0 No votes yet Data Utility 0 No votes yet Usefulness

84

Newly Installed Alaska North Slope Well Will Test Innovative Hydrate  

Broader source: Energy.gov (indexed) [DOE]

Newly Installed Alaska North Slope Well Will Test Innovative Newly Installed Alaska North Slope Well Will Test Innovative Hydrate Production Technologies Newly Installed Alaska North Slope Well Will Test Innovative Hydrate Production Technologies May 17, 2011 - 1:00pm Addthis Washington, DC - A fully instrumented well that will test innovative technologies for producing methane gas from hydrate deposits has been safely installed on the North Slope of Alaska. As a result, the "Iġnik Sikumi" (Iñupiaq for "fire in the ice") gas hydrate field trial well will be available for field experiments as early as winter 2011-12. The well, the result of a partnership between ConocoPhillips and the Office of Fossil Energy's (FE) National Energy Technology Laboratory, will test a technology that involves injecting carbon dioxide (CO2) into sandstone

85

Hadronic cross sections, elastic slope and physical bounds  

SciTech Connect (OSTI)

An almost model-independent parametrization for the ratio of the total hadronic cross section to elastic slope is discussed. Its applicability in studies of asymptotia and analyses of extensive air shower in cosmic-ray physics is also outlined.

Fagundes, D. A.; Menon, M. J. [Instituto de Fisica Gleb Wataghin, Universidade Estadual de Campinas, UNICAMP, 13083-859 Campinas SP (Brazil)

2013-03-25T23:59:59.000Z

86

Buoyancy of the continental upper mantle Robyn K. Kelly  

E-Print Network [OSTI]

Buoyancy of the continental upper mantle Robyn K. Kelly Department of Geology and Geophysics, MIT). Received 21 June 2002; Revised 11 October 2002; Accepted 15 October 2002; Published 18 February 2003. Kelly

87

Net radiation balance for two forested slopes on opposite sides of a valley  

Science Journals Connector (OSTI)

...Measurements of the net radiation balance of two forested sites on the opposite slopes of a valley in south-western Germany, made over 3 ... -slope than on the NE-slope. For long-wave radiation only small diff...

T. Holst; J. Rost; H. Mayer

2005-05-01T23:59:59.000Z

88

GIS-based kinematic slope instability and slope mass rating (SMR) maps: application to a railway route in Sivas (Turkey)  

Science Journals Connector (OSTI)

The paper discusses the use of kinematic stability and slope mass rating (SMR) maps in GIS based on field studies recording the relationships ... it is recommended that the construction of the maps by kinematic s...

I??k Yilmaz; Marian Marschalko

2012-05-01T23:59:59.000Z

89

Area utilization efficiency of a sloping heliostat system for solar concentration  

Science Journals Connector (OSTI)

Area utilization efficiency (AUE) is formulated for a sloping heliostat system facing any direction. The effects of slope shading, incidence factor, sun shading, and tower blocking by...

Wei, Ling Y

1983-01-01T23:59:59.000Z

90

Slope processes and strength of material in silt rich ravines in Sterdalen, Sweden.  

E-Print Network [OSTI]

?? Slope processes are important to understand if we are to protect fragile environments. Every year slope development in weak soils put nearby infrastructure in (more)

Westrin, Pontus

2015-01-01T23:59:59.000Z

91

North Slope Borough Power & Light | Open Energy Information  

Open Energy Info (EERE)

Slope Borough Power & Light Slope Borough Power & Light Jump to: navigation, search Name North Slope Borough Power & Light Place Alaska Utility Id 26616 Utility Location Yes Ownership M NERC Location AK Operates Generating Plant Yes Activity Generation Yes Activity Distribution Yes References EIA Form EIA-861 Final Data File for 2010 - File1_a[1] LinkedIn Connections CrunchBase Profile No CrunchBase profile. Create one now! This article is a stub. You can help OpenEI by expanding it. Utility Rate Schedules Grid-background.png Aged or Handicapped(seniors over 60) Residential Aged or Handicapped(seniors over 60) for Nuiqsut only Residential Commercial(Including Heat Trace) Commercial Commercial(Including Heat Trace) for Nuiqsut Commercial Residential Residential Residential (For Nuiqsut) Residential

92

The 2004 North Slope of Alaska Arctic Winter Radiometric Experiment  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

2004 North Slope of Alaska 2004 North Slope of Alaska Arctic Winter Radiometric Experiment E. R. Westwater, M. A. Klein, and V. Leuski Cooperative Institute for Research in Environmental Sciences University of Colorado National Oceanic and Atmospheric Administration Environmental Technology Laboratory Boulder, Colorado A. J. Gasiewski, T. Uttal, and D. A. Hazen National Oceanic and Atmospheric Administration Environmental Technology Laboratory Boulder, Colorado D. Cimini Remote Sensing Division, CETEMPS Universita' dell'Aquila L'Aquila, Italy V. Mattioli Dipartimento di Ingegneria Elettronica e dell'Informazione Perugia, Italy B. L. Weber and S. Dowlatshahi Science Technology Corporation Boulder, Colorado J. A. Shaw Department of Electrical and Computer Engineering

93

Sensitivity of soil loss equations to slope classifications  

E-Print Network [OSTI]

Watershed 0. 42 0 0. 42 Miles Figure 2. Contour map of Big Branch watershed in central Arkansas Digitized Contour Lines CREATETIN TINLATTICE DEM Figure 3. Procedures involved in creating DEM 15 Grid, ceU and cell size A grid is an ARC/INFO data.... 2 % ? 4 % 4%- 5% [ffii 5 % ? 6 % ~ 6%- 8% 111 s % - 10 % ~ Wehvehed 0. 43 0 0. 43 Miles N Figure 17. Slope cover of Big Branch watershed in central Arkansas based on slope scheme C 48 After the overlay operation, the attribute data...

Chen, Hong-Wen

2012-06-07T23:59:59.000Z

94

High?frequency acoustic propagation measurements during solitary wave events on the eastern continental shelf edge  

Science Journals Connector (OSTI)

High?frequency environmental acoustics studies were conducted during July 1993 on the continental shelf edge east of New Jersey. Internal solitons previously observed in this region near the shelf/slope front propagate in packets usually in the summer seasonal thermocline and have been associated with anomalous low frequency sound propagation. Acoustic pings were collected using a towed sled instrumented with sonar arrays. Synoptic measurements to characterize the solitons including sound velocity profiles sampled every 10 min over a tidal cycle and moored data including current temperature and conductivity. Acoustic measurements were taken during sled tows parallel to the bottom bathymetry normal to the propagation direction over a region determined from bottom cores to be nearly homogeneous fine sand. Measurements were taken using the sled as a source for backscattermeasurements and also using moored acoustic sources and the sled based transducers as receivers. The observed solitons had amplitudes of approximately 10 m and periods of several minutes. The backscatter variability during soliton events was observed to approximately 1020 dB and will be compared to modeled predictions based on environmental data.

Edward R. Levine; Richard R. Shell; Michael R. Medeiros

1994-01-01T23:59:59.000Z

95

Continental Liquid-phase Stratus Clouds at SGP: Meteorological Influences  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Continental Liquid-phase Stratus Clouds at SGP: Meteorological Influences Continental Liquid-phase Stratus Clouds at SGP: Meteorological Influences and Relationship to Adiabacity Kim, Byung-Gon Kangnung National University Schwartz, Stephen Brookhaven National Laboratory Miller, Mark Brookhaven National Laboratory Min, Qilong State University of New York at Albany Category: Cloud Properties The microphysical properties of continental stratus clouds observed over SGP appear to be substantially influenced by micrometeorological conditions, such as static stability and updraft velocity. These influences may contribute to the observed weak correlation of aerosol light scattering coefficient with cloud-drop effective radius [Kim et al., JGR, 2003], although aerosol light scattering coefficient is not necessarily the most suitable surrogate aerosol property for number concentration of cloud

96

InterContinental Hotels Group | Open Energy Information  

Open Energy Info (EERE)

InterContinental Hotels Group InterContinental Hotels Group Jump to: navigation, search Name InterContinental Hotels Group Place Salt Lake City, Utah Zip 84130 Website http://www.intercontinentalhot Coordinates 40.7°, -111.94° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":40.7,"lon":-111.94,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

97

Placement of Traffic Barriers on Roadside and Median Slopes  

E-Print Network [OSTI]

on the findings obtained from crash tests performed on flat terrain. For barriers placed on roadside and median slopes, vehicle impact height varies depending on the trajectory of the vehicle along the ditch section and lateral offset of the barrier. Thus...

Ferdous, Md Rubiat

2011-08-08T23:59:59.000Z

98

Late Holocene Radiocarbon Variability in Northwest Atlantic Slope Waters  

SciTech Connect (OSTI)

Deep-sea gorgonian corals secrete a 2-part skeleton of calcite, derived from dissolved inorganic carbon at depth, and gorgonin, derived from recently fixed and exported particulate organic matter. Radiocarbon contents of the calcite and gorgonin provide direct measures of seawater radiocarbon at depth and in the overlying surface waters, respectively. Using specimens collected from Northwest Atlantic slope waters, we generated radiocarbon records for surface and upper intermediate water layers spanning the pre- and post bomb-{sup 14}C eras. In Labrador Slope Water (LSW), convective mixing homogenizes the pre-bomb {Delta}{sup 14}C signature (-67 {+-} 4{per_thousand}) to at least 1000 m depth. Surface water bomb-{sup 14}C signals were lagged and damped (peaking at {approx} +45{per_thousand} in the early 1980s) relative to other regions of the northwest Atlantic, and intermediate water signals were damped further. Off southwest Nova Scotia, the vertical gradient in {Delta}{sup 14}C is much stronger. In surface water, pre-bomb {Delta}{sup 14}C averaged -75 {+-} 5{per_thousand}. At 250-475 m depth, prebomb {Delta}{sup 14}C oscillated quasi-decadally between -80 and -100{per_thousand}, likely reflecting interannual variability in the presence of Labrador Slope Water vs. Warm Slope Water (WSW). Finally, subfossil corals reveal no systematic changes in vertical {Delta}{sup 14}C gradients over the last 1200 years.

Sherwood, O; Edinger, E; Guilderson, T P; Ghaleb, B; Risk, M J; Scott, D B

2008-08-15T23:59:59.000Z

99

Relationship between System Slope and Updraft Intensity in Squall Lines  

Science Journals Connector (OSTI)

In recent years there has been debate about whether squall lines have an optimal state. It has been repeatedly demonstrated that the slope of a squall lines convective region is related to the comparative magnitudes of the squall lines cold ...

Matthew D. Parker

2010-09-01T23:59:59.000Z

100

Large-Eddy Observation of Post-Cold-Frontal Continental Stratocumulus  

E-Print Network [OSTI]

More studies on the dynamics of marine stratus and stratocumulus clouds have been performed than comparable studies on continental stratocumulus. Therefore, to increase the number of observations of continental stratocumulus ...

Mechem, David B.; Kogan, Yefim L.; Schultz, David M.

2010-10-01T23:59:59.000Z

Note: This page contains sample records for the topic "beaufort continental slope" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


101

Continental ood basalts: episodic magmatism above long-lived hotspots  

E-Print Network [OSTI]

November 1999 Abstract The eruption of continental flood basalt (CFB) may reflect episodic magmatism above long-lived mantle plumes. The Iceland and Yellowstone hotspots have generated successive CFB provinces in subducting oceanic lithosphere led to subsequent breakthrough and eruption of CFB. Since both mantle plume

Johnston, Stephen T.

102

Continental Breakfast $10 Selection of Assorted Bottled Fruit Juices  

E-Print Network [OSTI]

#12;Continental Breakfast $10 Selection of Assorted Bottled Fruit Juices Seasonal Sliced Fresh Fruit Assortment of Freshly Baked Pastries Fresh Brewed Starbucks Coffee, Decaffeinated & Assorted Tazo Teas The American Breakfast Buffet $16 (Minimum of 15 guests) Selection of Assorted Bottled Fruit

Massachusetts at Lowell, University of

103

PROGRAM OVERVIEW Australia is the size of continental  

E-Print Network [OSTI]

PROGRAM OVERVIEW Australia is the size of continental USA with about 1/15 of the population. It is the fourth most urban country and yet most Americans know Australia as "outback" and rural country. In a wet year, Australia is dry. Australia exports natural resources. It is "bordered" by the fourth most

Liskiewicz, Maciej

104

Distributions of dissolved organic and inorganic carbon and radiocarbon in the eastern North Pacific continental margin  

E-Print Network [OSTI]

Basin from the surrounding California continental borderland were relatively small. In the southern Mid-Atlantic Bight,

Bauer, James E; Druffel, Ellen R.M; Wolgast, David M; Griffin, Sheila; Masiello, Caroline A

1998-01-01T23:59:59.000Z

105

West Slope, Oregon: Energy Resources | Open Energy Information  

Open Energy Info (EERE)

Slope, Oregon: Energy Resources Slope, Oregon: Energy Resources Jump to: navigation, search Equivalent URI DBpedia Coordinates 45.496985°, -122.76938° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":45.496985,"lon":-122.76938,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

106

Heat Transfer in Projecting and Sloped Fenestration Products  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Heat Transfer in Projecting and Sloped Fenestration Products Heat Transfer in Projecting and Sloped Fenestration Products Speaker(s): Dragan Charlie Curcija Date: May 26, 2010 - 12:00pm Location: 90-3122 The heat transfer performance of fenestration products is routinely determined using computer simulations combined with physical testing. Initial efforts to develop simulation and test procedures for the fenestration products in the 1980's focused on simple planar windows since they are the dominant share of the market. However, once these procedures were developed (with resulting ISO standards and national rating and labeling requirements), manufacturers of more physically complex fenestration products (skylights, green house windows, tubular skylights) demanded procedures for simulating and testing their products. Dr Curcija

107

Surface Slope Metrology on Deformable Soft X-ray Mirrors  

SciTech Connect (OSTI)

We report on the current state of surface slope metrology on deformable mirrors for soft x-rays at the Advanced Light Source (ALS). While we are developing techniques for in situ at-wavelength tuning, we are refining methods of ex situ visible-light optical metrology to achieve sub-100-nrad accuracy. This paper reports on laboratory studies, measurements and tuning of a deformable test-KB mirror prior to its use. The test mirror was bent to a much different optical configuration than its original design, achieving a 0.38 micro-radian residual slope error. Modeling shows that in some cases, by including the image conjugate distance as an additional free parameter in the alignment, along with the two force couples, fourth-order tangential shape errors (the so-called bird shape) can be reduced or eliminated.

Yuan Sheng; Yashchuk, Valeriy V.; Celestre, Rich; Church, Matthew; McKinney, Wayne R.; Morrison, Greg; Warwick, Tony [Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, CA 94720 (United States); Goldberg, Kenneth A. [Center for X-ray Optics, Lawrence Berkeley National Laboratory, Berkeley, CA 94720 (United States)

2010-06-23T23:59:59.000Z

108

North Slope Decision Support for Water Resource Planning and Management  

SciTech Connect (OSTI)

The objective of this project was to enhance the water resource decision-making process with respect to oil and gas exploration/production activities on Alaskas North Slope. To this end, a web-based software tool was developed to allow stakeholders to assemble, evaluate, and communicate relevant information between and amongst themselves. The software, termed North Slope Decision Support System (NSDSS), is a visually-referenced database that provides a platform for running complex natural system, planning, and optimization models. The NSDSS design was based upon community input garnered during a series of stakeholder workshops, and the end product software is freely available to all stakeholders via the project website. The tool now resides on servers hosted by the UAF Water and Environmental Research Center, and will remain accessible and free-of-charge for all interested stakeholders. The development of the tool fostered new advances in the area of data evaluation and decision support technologies, and the finished product is envisioned to enhance water resource planning activities on Alaskas North Slope.

Schnabel, William; Brumbelow, Kelly

2013-03-31T23:59:59.000Z

109

DEVELOPMENT OF SHALLOW VISCOUS OIL RESERVES IN NORTH SLOPE  

SciTech Connect (OSTI)

North Slope of Alaska has huge oil deposits in heavy oil reservoirs such as Ugnu, West Sak and Shrader Bluff etc. The viscosity of the last two reservoir oils vary from {approx}30 cp to {approx}3000 cp and the amount in the range of 10-20 billion barrels. High oil viscosity and low formation strength impose problems to high recovery and well productivity. Water-alternate-gas injection processes can be effective for the lower viscosity end of these deposits in West Sak and Shrader Bluff. Several gas streams are available in the North Slope containing NGL and CO{sub 2} (a greenhouse gas). The goal of this research is to develop tools to find optimum solvent, injection schedule and well-architecture for a WAG process in North Slope shallow sand viscous oil reservoirs. In the last quarter, we added numerical solution along streamline subroutines to our streamline compositional simulator. The WAG injection algorithms are being developed. We studied the wettability of the reservoir oil and formulated a four-phase relative permeability model based on two-phase relative permeabilities. The effect of new relative permeability formulations on a five-spot pattern WAG recovery was evaluated. Effect of horizontal wells on pattern sweep has been initiated. A model quarter five-spot experiment is being designed. Plans for the next quarter includes modeling of WAG injection in streamline based simulation, evaluation of complex well-architecture and design of model quarter five-spot experiment.

Kishore K. Mohanty

2003-07-01T23:59:59.000Z

110

DEVELOPMENT OF SHALLOW VISCOUS OIL RESERVES IN NORTH SLOPE  

SciTech Connect (OSTI)

North Slope of Alaska has huge oil deposits in heavy oil reservoirs such as Ugnu, West Sak and Shrader Bluff etc. The viscosity of the last two reservoir oils vary from {approx}30 cp to {approx}3000 cp and the amount in the range of 10-20 billion barrels. High oil viscosity and low formation strength impose problems to high recovery and well productivity. Water-alternate-gas injection processes can be effective for the lower viscosity end of these deposits in West Sak and Shrader Bluff. Several gas streams are available in the North Slope containing NGL and CO{sub 2} (a greenhouse gas). The goal of this research is to develop tools to find optimum solvent, injection schedule and well-architecture for a WAG process in North Slope shallow sand viscous oil reservoirs. In the last quarter, we have developed streamline generation and convection subroutines for miscible gas injection. The WAG injection algorithms are being developed. We formulated a four-phase relative permeability model based on two-phase relative permeabilities. The new relative permeability formulations are being incorporated into the simulator. Wettabilities and relative permeabilities are being measured. Plans for the next quarter includes modeling of WAG injection in streamline based simulation, relative permeability studies with cores, incorporation of complex well-architecture.

Kishore K. Mohanty

2003-07-01T23:59:59.000Z

111

Stability assessment of a slope under a transformer substation using numerical modelling  

Science Journals Connector (OSTI)

This paper presents an analysis of the deformation mechanism and stability assessment of a slope in Yunnan Province, China. Field investigations indicated that the deformation of the slope was caused by the co...

H. J. Li; F. C. Dai; W. C. Li; L. Xu; H. Min

2011-08-01T23:59:59.000Z

112

Cryogenic Formations of Passive Margins, Ice Shelves and Continental Slopes Cryogenic Formations of Active Margins and the Regions Composed of Oceanic Crust  

Science Journals Connector (OSTI)

The main types of sedimentogenesis appearing under different combinations of environmental factors, composition and properties of sedimentary matter along with sedimentary rock basins, cryogenic facies and the ma...

Prof. Alexander P. Lisitzin

2002-01-01T23:59:59.000Z

113

Geochemical assessment of gaseous hydrocarbons: mixing of bacterial and thermogenic methane in the deep subsurface petroleum system, Gulf of Mexico continental slope  

E-Print Network [OSTI]

Page 12 Modelled maturity variations in g10013C of methane through butane, relative to g10013C of total source kerogen .......................................................... 29 13 Diagrams showing various processes and resulting compositional... gas contains methane (CH4) as a major constituent (70-100%), ethane (C2H6) (1-10%), lower percentages of higher hydrocarbons ?propane (C3H8), butane (C4H10), pentane (C5H12)? through hexanes (C6H14), and traces up through nonanes (C9H20) (Tissot...

Ozgul, Ercin

2004-09-30T23:59:59.000Z

114

Macrofaunal community structure on the gulf of mexico continental slope: the role of disturbance and habitat heterogeneity at local and regional scales  

E-Print Network [OSTI]

Studies of Texas A&M University in partial fulfillment of the requirements for the degree of DOCTOR OF PHILOSOPHY May 2007 Major Subject: Zoology... Submitted to the Office of Graduate Studies of Texas A&M University in partial fulfillment of the requirements for the degree of DOCTOR OF PHILOSOPHY Approved by: Co-Chairs of Committee, Mary Wicksten Gilbert Rowe Committee...

Ammons, Archie Wood

2007-09-17T23:59:59.000Z

115

Upper Plio-Pleistocene salt tectonics and seismic stratigraphy on the lower continental slope, Mississippi Canyon OCS Area, Gulf of Mexico  

E-Print Network [OSTI]

of sequence E, which represents the late Wisconsinan glacial. Salt generally occurs as tongues or sheets, and forms continuous masses in the basinward part of the canyon at water depths of about 1300 m (4300 ft). Areas without salt are near the "spur...

Liu, Jia-Yuh

2012-06-07T23:59:59.000Z

116

ARM - Field Campaign - Midlatitude Continental Convective Clouds Experiment  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Experiment Experiment (MC3E): Multi-Frequency Profilers Related Campaigns Midlatitude Continental Convective Clouds Experiment (MC3E) 2011.04.22, Jensen, SGP Comments? We would love to hear from you! Send us a note below or call us at 1-888-ARM-DATA. Send Campaign : Midlatitude Continental Convective Clouds Experiment (MC3E): Multi-Frequency Profilers 2011.04.22 - 2011.06.06 Lead Scientist : Christopher Williams For data sets, see below. Description The scientific focus was to study the vertical structure of precipitation in a vertical column over the SGP Central Facility. These multi-frequency profiler observations enabled directly measuring the vertical air motion and retrieving the raindrop size distributions from near the surface to just under the freezing level. These profilers were deployed during MC3E

117

BNL | Midlatitude Continental Convective Clouds Experiment (MC3E)  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Midlatitude Continental Convective Clouds Experiment Midlatitude Continental Convective Clouds Experiment Convective processes play a critical role in the Earth's energy balance through the redistribution of heat and moisture in the atmosphere and their link to the hydrological cycle. Accurate representation of convective processes in numerical models is vital towards improving current and future simulations of Earths climate system. Despite improvements in computing power, current operational weather and global climate models are unable to resolve the natural temporal and spatial scales important to convective processes and therefore must turn to parameterization schemes to represent these processes. In turn, parameterization schemes in cloud-resolving models need to be evaluated for their generality and application to a

118

Namur, Belgium -weathering deteriorating slope stability future -Robert Hack 1 WEATHERING DETERIORATING  

E-Print Network [OSTI]

Namur, Belgium - weathering deteriorating slope stability future - Robert Hack 1 WEATHERING DETERIORATING AND SLOPE STABILITY CLASSIFICATION FOR THE FUTURE Namur, Belgium, 12 June 2008 Robert Hack Geo #12;Namur, Belgium - weathering deteriorating slope stability future - Robert Hack 2 Jan van Goyen

Hack, Robert

119

Continental seismic events observed by the MPL vertical DIFAR array  

SciTech Connect (OSTI)

The vertical DIFAR array, an underwater acoustic sensor system, deployed by the Marine Physical Laboratory (MPL) was in place over the continental shelf off of Southern California and recorded the HUNTERS TROPHY nuclear test and nearly a score of after-shocks of the Landers/Big Bear earthquakes. Data from this array raise the possibility that detection thresholds for continental events may be significantly lower for arrays over the continental shelf than for arrays in the deep ocean basins. Offshore stations could be used to fill gaps in land-based seismic networks for monitoring the NPT and a CTBT, especially for monitoring non-cooperating nations with large coastlines. This preliminary report provides an analysis of the HUNTERS TROPHY observation as well as one of the Landers aftershocks. The analysis suggests detection thresholds for vertical hydrophone arrays below mb 3.0 at ranges between 3 and 4 degrees, and below mb 4.4 out to 6 degrees. This report also describes two signal processing techniques that enhance the detection potential of short vertical arrays. These methods are deterministic null steering to suppress horizontally propagating ambient ocean noise, and matched field processing for vertically-incident acoustic fields. The latter technique is ideally suited for acoustic fields derived from incident seismic waves, and may be viewed as a {open_quotes}synthetic aperture{close_quotes} approach to increase the effective aperture of the array.

Harris, D.B. [Lawrence Livermore National Lab., CA (United States); D`Spain, G. [Scripps Institution of Oceanography, San Diego, CA (United States). Marine Physical Lab.

1993-11-01T23:59:59.000Z

120

Uranium - thorium series study on Yucatan slope cores  

E-Print Network [OSTI]

substance and a corresponding enrichment in another. Soils, on being eroded, 14 adhorb dissolved uranium from runoff and ocean water and show a progressive change in U "/U activity ratios from 0. 9 in soils to 0, 95 in river muds to 1. 15 in recently... URANIUM ? THORIUM SERIES STUDY ON YUCATAN SLOPE CORES A Thesis by Mary Elizabeth Exner Submitted to the Graduate College of Texas A&M University in partial fulfillment of the requirement for the degree of MASTER OF SCIENCE August, 1972...

Exner, Mary Elizabeth

2012-06-07T23:59:59.000Z

Note: This page contains sample records for the topic "beaufort continental slope" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


121

A Review of Sloped Solar Updraft Power Technology  

Science Journals Connector (OSTI)

Abstract The Solar Updraft Power Plant (SUPP) concept was successfully proven in the last few decades through many experimental and analytical approaches. However, the high investment cost compared to the plant efficiency and the limited height of the chimney due to the technological constraints are considered the main disadvantages of the SUPP. In order to overcome these problems, many novel concepts were proposed; One being the Sloped Solar Updraft Power Plant (SSUPP). This paper provides a comprehensive overall review for all SSUPP researches up-to-date including the principle with a description of the plant, physical process, theoretical and experimental studies.

Shadi Kalash; Wajih Naimeh; Salman Ajib

2014-01-01T23:59:59.000Z

122

Updown numbers and the initial monomials of the slope variety  

E-Print Network [OSTI]

Topeka, KS 66621, USA jennifer.wagner1@washburn.edu Submitted: May 28, 2009; Accepted: Jun 28, 2009; Published: Jul 9, 2009 Mathematics Subject Classifications: 05A15, 14N20 Abstract Let In be the ideal of all algebraic relations on the slopes.... For integers m ? n, we put [n] = {1,2,...,n} and [m,n] = {m,m + 1,...,n}. The set of all permutations of an integer set P will be denoted SP, and the nth symmetric group is Sn (= S[n]). We will write each permutation w ? SP as a word with n = |P| digits, w = w1...

Martin, Jeremy L.; Wagner, Jennifer D.

2009-01-01T23:59:59.000Z

123

TDX North Slope Generating Co | Open Energy Information  

Open Energy Info (EERE)

Generating Co Generating Co Jump to: navigation, search Name TDX North Slope Generating Co Place Alaska Utility Id 19277 Utility Location Yes Ownership I NERC Location AK Operates Generating Plant Yes Activity Generation Yes Activity Transmission Yes Activity Distribution Yes References EIA Form EIA-861 Final Data File for 2010 - File1_a[1] Energy Information Administration Form 826[2] LinkedIn Connections CrunchBase Profile No CrunchBase profile. Create one now! This article is a stub. You can help OpenEI by expanding it. Utility Rate Schedules Grid-background.png No rate schedules available. Average Rates Commercial: $0.1310/kWh The following table contains monthly sales and revenue data for TDX North Slope Generating Co (Alaska). Month RES REV (THOUSAND $) RES SALES (MWH) RES CONS COM REV (THOUSAND $) COM SALES (MWH) COM CONS IND_REV (THOUSAND $) IND SALES (MWH) IND CONS OTH REV (THOUSAND $) OTH SALES (MWH) OTH CONS TOT REV (THOUSAND $) TOT SALES (MWH) TOT CONS

124

Assssment and Mapping of the Riverine Hydrokinetic Resource in the Continental United States  

SciTech Connect (OSTI)

The U.S. Department of Energy (DOE) funded the Electric Power Research Institute and its collaborative partners, University of Alaska ? Anchorage, University of Alaska ? Fairbanks, and the National Renewable Energy Laboratory, to provide an assessment of the riverine hydrokinetic resource in the continental United States. The assessment benefited from input obtained during two workshops attended by individuals with relevant expertise and from a National Research Council panel commissioned by DOE to provide guidance to this and other concurrent, DOE-funded assessments of water based renewable energy. These sources of expertise provided valuable advice regarding data sources and assessment methodology. The assessment of the hydrokinetic resource in the 48 contiguous states is derived from spatially-explicit data contained in NHDPlus ?a GIS-based database containing river segment-specific information on discharge characteristics and channel slope. 71,398 river segments with mean annual flow greater than 1,000 cubic feet per second (cfs) mean discharge were included in the assessment. Segments with discharge less than 1,000 cfs were dropped from the assessment, as were river segments with hydroelectric dams. The results for the theoretical and technical resource in the 48 contiguous states were found to be relatively insensitive to the cutoff chosen. Raising the cutoff to 1,500 cfs had no effect on estimate of the technically recoverable resource, and the theoretical resource was reduced by 5.3%. The segment-specific theoretical resource was estimated from these data using the standard hydrological engineering equation that relates theoretical hydraulic power (Pth, Watts) to discharge (Q, m3 s-1) and hydraulic head or change in elevation (??, m) over the length of the segment, where ? is the specific weight of water (9800 N m-3): ??? = ? ? ?? For Alaska, which is not encompassed by NPDPlus, hydraulic head and discharge data were manually obtained from Idaho National Laboratory?s Virtual Hydropower Prospector, Google Earth, and U.S. Geological Survey gages. Data were manually obtained for the eleven largest rivers with average flow rates greater than 10,000 cfs and the resulting estimate of the theoretical resource was expanded to include rivers with discharge between 1,000 cfs and 10,000 cfs based upon the contribution of rivers in the latter flow class to the total estimate in the contiguous 48 states. Segment-specific theoretical resource was aggregated by major hydrologic region in the contiguous, lower 48 states and totaled 1,146 TWh/yr. The aggregate estimate of the Alaska theoretical resource is 235 TWh/yr, yielding a total theoretical resource estimate of 1,381 TWh/yr for the continental US. The technically recoverable resource in the contiguous 48 states was estimated by applying a recovery factor to the segment-specific theoretical resource estimates. The recovery factor scales the theoretical resource for a given segment to take into account assumptions such as minimum required water velocity and depth during low flow conditions, maximum device packing density, device efficiency, and flow statistics (e.g., the 5 percentile flow relative to the average flow rate). The recovery factor also takes account of ?back effects? ? feedback effects of turbine presence on hydraulic head and velocity. The recovery factor was determined over a range of flow rates and slopes using the hydraulic model, HEC-RAS. In the hydraulic modeling, presence of turbines was accounted for by adjusting the Manning coefficient. This analysis, which included 32 scenarios, led to an empirical function relating recovery factor to slope and discharge. Sixty-nine percent of NHDPlus segments included in the theoretical resource estimate for the contiguous 48 states had an estimated recovery factor of zero. For Alaska, data on river slope was not readily available; hence, the recovery factor was estimated based on the flow rate alone. Segment-specific estimates of the theoretical resource were multiplied by the corresponding recovery factor to estimate

Jacobson, Paul T. [Electric Power Research Institute; Ravens, Thomas M. [University of Alaska Anchorage; Cunningham, Keith W. [University of Alaska Fairbanks; Scott, George [National Renewable Energy Laboratory

2012-12-14T23:59:59.000Z

125

NETL: Methane Hydrates - Barrow Gas Fields - North Slope Borough, Alaska  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Phase 2- Drilling and Production Testing the Methane Hydrate Resource Potential associated with the Barrow Gas Fields Last Reviewed 04/06/2010 Phase 2- Drilling and Production Testing the Methane Hydrate Resource Potential associated with the Barrow Gas Fields Last Reviewed 04/06/2010 DE-FC26-06NT42962 Goal The goal of this project is to evaluate, design, drill, log, core and production test methane hydrate resources in the Barrow Gas Fields near Barrow, Alaska to determine its impact on future free gas production and its viability as an energy source. Photo of Barrow welcome sign Performers North Slope Borough, Barrow, Alaska 99723 Petrotechnical Resources Alaska (PRA), Fairbanks, AK 99775 University of Alaska Fairbanks, Fairbanks, AK 99775 Background Phase 1 of the Barrow Gas Fields Hydrate Study provided very strong evidence for the existence of hydrates updip of the East Barrow and Walakpa Gas Fields. Full-field history matched reservoir modeling supported the

126

The staircase structure of the Southern Brazilian Continental Shelf  

E-Print Network [OSTI]

We show some evidences that the Southeastern Brazilian Continental Shelf (SBCS) has a devil's staircase structure, with a sequence of scarps and terraces with widths that obey fractal formation rules. Since the formation of these features are linked with the sea level variations, we say that the sea level changes in an organized pulsating way. Although the proposed approach was applied in a particular region of the Earth, it is suitable to be applied in an integrated way to other Shelves around the world, since the analyzes favor the revelation of the global sea level variations.

M. S. Baptista; L. A. Conti

2008-10-24T23:59:59.000Z

127

E-Print Network 3.0 - adjacent continental margin Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

adjacent to the margin. The lack of these features is also characteristic of modern transform margins... -early Paleozoic southern Lau- rentian continental ... Source: Huerta,...

128

E-Print Network 3.0 - atlantic outer continental Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

<< < 1 2 3 4 5 > >> 1 Nepheloid layer distribution in the Benguela upwelling area offshore Namibia. Summary: of nepheloid layers across the outer shelf and upper continental...

129

E-Print Network 3.0 - australian continental margin Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

to study cool-water carbonate facies... -water carbonate continental margin, Eucla Basin, western Great Australian Bight. Geology, 23:427-430. Feary, D... of the Ocean...

130

E-Print Network 3.0 - adjacent continental shelf Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Sciences and Ecology 4 Shelf sedimentation on a tectonically active margin: A modern sediment budget for Poverty continental shelf, New Zealand Summary: of the sediment carried by...

131

E-Print Network 3.0 - atlantic continental shelf Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

; Geosciences 48 The role of marsh-dominated heterotrophic continental margins in transport of CO2 between the atmosphere, the land-sea interface and Summary: : General:...

132

E-Print Network 3.0 - african continental margin Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Sciences, University of Melbourne Collection: Geosciences 3 South Atlantic margins of Africa. page 1 South Atlantic continental margins of Africa Summary: The South Atlantic...

133

The Dynamics of Fluid Flow and Associated Chemical Fluxes at Active Continental Margins  

E-Print Network [OSTI]

in the Gulf of Mexico and in other oil-rich regions areof gas and oil seeps on the Gulf of Mexico slope. Geo-Marof gas and oil seeps on the Gulf of Mexico slope. Geo-Mar

Solomon, Evan A

2007-01-01T23:59:59.000Z

134

The Dynamics of fluid flow and associated chemical fluxes at active continental margins  

E-Print Network [OSTI]

in the Gulf of Mexico and in other oil-rich regions areof gas and oil seeps on the Gulf of Mexico slope. Geo-Marof gas and oil seeps on the Gulf of Mexico slope. Geo-Mar

Solomon, Evan Alan

2007-01-01T23:59:59.000Z

135

The Dynamics of fluid flow and associated chemical fluxes at active continental margins  

E-Print Network [OSTI]

of gas and oil seeps on the Gulf of Mexico slope. Geo-Mar1993. Natural oil slicks in the Gulf of Mexico visible fromof gas and oil seeps on the Gulf of Mexico slope. Geo-Mar

Solomon, Evan Alan

2007-01-01T23:59:59.000Z

136

The Dynamics of Fluid Flow and Associated Chemical Fluxes at Active Continental Margins  

E-Print Network [OSTI]

of gas and oil seeps on the Gulf of Mexico slope. Geo-Mar1993. Natural oil slicks in the Gulf of Mexico visible fromof gas and oil seeps on the Gulf of Mexico slope. Geo-Mar

Solomon, Evan A

2007-01-01T23:59:59.000Z

137

Migration and oil industry employment of north slope Alaska natives. Technical report (Final)  

SciTech Connect (OSTI)

This study has two purposes: To find out why people migrate to and within the North Slope; To find out if working for the oil industry at Prudhoe Bay or Kuparuk makes North Slope Natives more likely to migrate. This is the first study of Alaska Native migration based on interviews of Alaska North Slope Native migrants, of non-Native migrants, and of Alaska North Slope Natives who are oil industry employees. It has two major chapters: one on household migration and the other on oil industry employment. The report is based on interviews conducted in March 1992.

Marshall, D.

1993-01-01T23:59:59.000Z

138

A note on the stability theory of buoyancy-driven ocean currents over a sloping bottom  

Science Journals Connector (OSTI)

In a previous paper, a new model was derived describing the baroclinic dynamics of buoyancy-driven ocean currents over a sloping bottom. In particular,...

Richard H. Karsten; Gordon E. Swaters

1996-01-01T23:59:59.000Z

139

Continental insulation, mantle cooling, and the surface area of oceans and continents  

E-Print Network [OSTI]

Continental insulation, mantle cooling, and the surface area of oceans and continents A. Lenardica May 2005 Abstract It is generally assumed that continents, acting as thermal insulation above. The theory predicts that parameter regimes exist for which increased continental insulation has no effect

Manga, Michael

140

Extreme lithium isotopic fractionation during continental weathering revealed in saprolites from South Carolina  

E-Print Network [OSTI]

Extreme lithium isotopic fractionation during continental weathering revealed in saprolites from in revised form 6 July 2004 Abstract The lithium concentration and isotopic composition of two saprolites the behavior of lithium isotopes during continental weathering. Both saprolites show a general trend

Rudnick, Roberta L.

Note: This page contains sample records for the topic "beaufort continental slope" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


141

Assessing the wind field over the continental shelf as a resource for electric power  

E-Print Network [OSTI]

for the comparison period) that the near-coast phase advantage is obviated. We also find more consistent wind powerAssessing the wind field over the continental shelf as a resource for electric power by Richard W. Garvine1,2 and Willett Kempton1,3,4 ABSTRACT To assess the wind power resources of a large continental

Firestone, Jeremy

142

The Continental Margin is a Key Source of Iron to the HNLC North Pacific Ocean  

E-Print Network [OSTI]

The Continental Margin is a Key Source of Iron to the HNLC North Pacific Ocean Phoebe J. Lam1 concentrations in the upper 500m of the Western Subarctic Pacific, an iron-limited High Nutrient Low Chlorophyll a key source of bioavailable Fe to the HNLC North Pacific. Keywords: iron, continental margin, HNLC 1

143

South Atlantic margins of Africa. page 1 South Atlantic continental margins of Africa  

E-Print Network [OSTI]

South Atlantic margins of Africa. page 1 South Atlantic continental margins of Africa: a comparison The South Atlantic continental passive margins of Africa comprise the major depocentres on the African plate of the tectonic vs climate interplay on the evolution of equatorial west Africa and SW Africa margins Michel

Paris-Sud XI, Université de

144

Sloped-collector solar updraft tower power plant performance  

Science Journals Connector (OSTI)

Abstract A mathematical model describing fluid flow, heat transfer and pressure distribution inside a sloped-collector solar updraft tower power plant (SCSUTPP) is presented by assuming a steady compressible flow. Compared to conventional horizontal-collector solar updraft tower power plants (HCSUTPPs), the performance of SCSUTPP is comprehensively studied based on the mathematical model. The power outputs for SCSUTPP and HCSUTPP using the essential expression of driving force are respectively compared with those using the driving force expressions containing no integral, as proposed in literature. Results show that the expression containing no integral is accurate for HCSUCPP based on a compressible fluid model. The expression containing no integral is not accurate for predicting the driving force of SCSUTPP based on an incompressible fluid model when no variation of the atmospheric density with heights and no variation of difference of the atmospheric density and the density of the current inside the short SUT with heights are assumed. The gravitational effect has to be considered for predicting the SCSUTPP performance. The results show that the pressure potential and the power production of an SCSUCPP with a collector of 848m height and a vertical SUT 123m high lies between those for two \\{HCSUCPPs\\} respectively with vertical \\{SUTs\\} 547m and 971m high. This work lays a good foundation for accurate predication of potential power produced from SCSUTPP.

Xinping Zhou; Shuo Yuan; Marco Aurlio dos Santos Bernardes

2013-01-01T23:59:59.000Z

145

Global Evaluation of the ISBA-TRIP Continental Hydrological System. Part I: Comparison to GRACE Terrestrial Water Storage Estimates  

E-Print Network [OSTI]

In earth system models, the partitioning of precipitation among the variations of continental water storage climate system sim- ulated by earth system models (ESMs). The continental freshwater reservoirs represent

Ribes, Aurélien

146

Continental Divide El Coop Inc | Open Energy Information  

Open Energy Info (EERE)

Divide El Coop Inc Divide El Coop Inc Jump to: navigation, search Name Continental Divide El Coop Inc Place New Mexico Utility Id 4265 Utility Location Yes Ownership C NERC Location WECC NERC WECC Yes Activity Transmission Yes Activity Distribution Yes References EIA Form EIA-861 Final Data File for 2010 - File1_a[1] LinkedIn Connections CrunchBase Profile No CrunchBase profile. Create one now! This article is a stub. You can help OpenEI by expanding it. Utility Rate Schedules Grid-background.png COMMERCIAL RATE - GENERAL SERVICE Commercial IRRIGATION SERVICE ( UTILITY OWNED) Commercial IRRIGATION SERVICE (CONSUMER OWNED) Commercial LARGE POWER SERVICE (CONSUMER OWNED) Commercial LARGE POWER SERVICE (UTILITY OWNED) Commercial Large Industrial Transmission Service Industrial

147

On the use of the Boussinesq equation for interpreting recession hydrographs from sloping aquifers  

E-Print Network [OSTI]

On the use of the Boussinesq equation for interpreting recession hydrographs from sloping aquifers solutions to the one-dimensional Boussinesq equation for unconfined flow in a homogeneous and horizontal compare analytical solutions to the linearized one-dimensional Boussinesq equation for a sloping aquifer

Tullos, Desiree

148

Overview of NCHRP Design Guideline for EPS-Block Geofoam in Slope Stabilization and Repair  

E-Print Network [OSTI]

1 Overview of NCHRP Design Guideline for EPS-Block Geofoam in Slope Stabilization and Repair David in Construction Applications (EPS 2011 Norway) June 6-8, 2011 #12;2 ABSTRACT This paper presents an overview of the design guideline for the use of expanded polystyrene (EPS)-block geofoam for slope stabilization

Horvath, John S.

149

BACK-ANALYSES OF LANDFILL SLOPE FAILURES Nejan Huvaj-Sarihan Timothy D. Stark  

E-Print Network [OSTI]

BACK-ANALYSES OF LANDFILL SLOPE FAILURES Nejan Huvaj-Sarihan Timothy D. Stark University strength of MSW. The back-analysis of failed waste slopes in the Gnojna Grora landfill in Poland, Istanbul Landfill in Turkey, Hiriya Landfill in Israel, and Payatas Landfill in Philippines are presented

150

Two and three dimensional analysis of a slope failure in a lignite mine  

Science Journals Connector (OSTI)

With about 9.3 billion tons of reserve, lignite is a major source for energy production in Turkey. The Afsin-Elbistan lignite basin, containing 47% of the overall lignite reserve in Turkey, lies in the Afsin and Elbistan districts as a part of Kahramanmaras. ... Keywords: Lignite mine, Numerical modeling, Slope failures, Slope stability analysis

Levent Tutluoglu; Ibrahim Ferid Ge; Celal Karpuz

2011-02-01T23:59:59.000Z

151

Error reduction in slope stability assessment Jean-Alain Fleurisson and Roger Cojean  

E-Print Network [OSTI]

Tech, Centre de Géosciences, Fontainebleau, France 1. Introduction Slopes in quarries and open pit mines on every continent or failure in open pit mines and quarries) in which safety and profitability to environmental issues, long-term stability of slopes in quarries, open pit mines and mainly embankments must

Paris-Sud XI, Université de

152

Slope design and implementation in open pit mines; geological and geomechanical Jean-Alain FLEURISSON  

E-Print Network [OSTI]

stability, slope design, engineering geology, fault, open pit mines, SOMAIR uranium mine, OCP phosphate mine1 GHGT-9 Slope design and implementation in open pit mines; geological and geomechanical approach all natural geological and geomechanical features and the geological structures as well

Boyer, Edmond

153

Economics of Alaska North Slope gas utilization options  

SciTech Connect (OSTI)

The recoverable natural gas available for sale in the developed and known undeveloped fields on the Alaskan North Slope (ANS) total about 26 trillion cubic feet (TCF), including 22 TCF in the Prudhoe Bay Unit (PBU) and 3 TCF in the undeveloped Point Thomson Unit (PTU). No significant commercial use has been made of this large natural gas resource because there are no facilities in place to transport this gas to current markets. To date the economics have not been favorable to support development of a gas transportation system. However, with the declining trend in ANS oil production, interest in development of this huge gas resource is rising, making it important for the U.S. Department of Energy, industry, and the State of Alaska to evaluate and assess the options for development of this vast gas resource. The purpose of this study was to assess whether gas-to-liquids (GTL) conversion technology would be an economic alternative for the development and sale of the large, remote, and currently unmarketable ANS natural gas resource, and to compare the long term economic impact of a GTL conversion option to that of the more frequently discussed natural gas pipeline/liquefied natural gas (LNG) option. The major components of the study are: an assessment of the ANS oil and gas resources; an analysis of conversion and transportation options; a review of natural gas, LNG, and selected oil product markets; and an economic analysis of the LNG and GTL gas sales options based on publicly available input needed for assumptions of the economic variables. Uncertainties in assumptions are evaluated by determining the sensitivity of project economics to changes in baseline economic variables.

Thomas, C.P.; Doughty, T.C.; Hackworth, J.H.; North, W.B.; Robertson, E.P.

1996-08-01T23:59:59.000Z

154

Lease Issuance for Marine Hydrokinetic Technology Testing on the Outer Continental Shelf  

Broader source: Energy.gov (indexed) [DOE]

the Interior the Interior Bureau of Ocean Energy Management Office of Renewable Energy Programs OCS EIS/EA BOEM 2013-01140 Lease Issuance for Marine Hydrokinetic Technology Testing on the Outer Continental Shelf Offshore Florida Revised Environmental Assessment OCS EIS/EA BOEM 2013-01140 Lease Issuance for Marine Hydrokinetic Technology Testing on the Outer Continental Shelf Offshore Florida Revised Environmental Assessment Author Bureau of Ocean Energy Management Office of Renewable Energy Programs Published by U.S. Department of the Interior Bureau of Ocean Energy Management Office of Renewable Energy Programs August 2013 iii FINDING OF NO SIGNIIFCANT IMPACT Lease Issuance for Marine Hydrokinetic Technology Testing on the Outer Continental

155

Deep observation and sampling of the earth's continental crust (DOSECC). Final report  

SciTech Connect (OSTI)

The need to validate and refine concepts regarding the structure, properties, and dynamic processes of the earth's continental crust through the use of the drill was the subject of the workshop sponsored by DOSECC, Inc. and held April 29 through May 1, 1985 in Houston, Texas and attended by more than 145 scientists. Scientific objectives and targets for a program of research drilling as part of basic studies of the continental lithosphere were discussed, with over 30 scientific proposals presented. Individual drilling proposals were grouped under several themes; basement structures and deep continental basins, active fault zones, thermal regimes and fossil mineralized hydrothermal/magma systems.

Not Available

1985-05-01T23:59:59.000Z

156

ARM - Midlatitude Continental Convective Clouds (jensen-sonde)  

SciTech Connect (OSTI)

A major component of the Mid-latitude Continental Convective Clouds Experiment (MC3E) field campaign was the deployment of an enhanced radiosonde array designed to capture the vertical profile of atmospheric state variables (pressure, temperature, humidity wind speed and wind direction) for the purpose of deriving the large-scale forcing for use in modeling studies. The radiosonde array included six sites (enhanced Central Facility [CF-1] plus five new sites) launching radiosondes at 3-6 hour sampling intervals. The network will cover an area of approximately (300)2 km2 with five outer sounding launch sites and one central launch location. The five outer sounding launch sites are: S01 Pratt, KS [ 37.7oN, 98.75oW]; S02 Chanute, KS [37.674, 95.488]; S03 Vici, Oklahoma [36.071, -99.204]; S04 Morris, Oklahoma [35.687, -95.856]; and S05 Purcell, Oklahoma [34.985, -97.522]. Soundings from the SGP Central Facility during MC3E can be retrieved from the regular ARM archive. During routine MC3E operations 4 radiosondes were launched from each of these sites (approx. 0130, 0730, 1330 and 1930 UTC). On days that were forecast to be convective up to four additional launches were launched at each site (approx. 0430, 1030, 1630, 2230 UTC). There were a total of approximately 14 of these high frequency launch days over the course of the experiment.

Jensen, Mike; Comstock, Jennifer; Genio, Anthony Del; Giangrande, Scott; Kollias, Pavlos

2012-01-19T23:59:59.000Z

157

Remote sensing of submerged objects and geomorphology in continental shelf waters with acoustic waveguide scattering  

E-Print Network [OSTI]

The long range imaging of submerged objects, seafloor and sub-seafloor geomorphology in continental shelf waters using an active sonar system is explored experimentally and theoretically. A unified model for 3-D object ...

Ratilal, Purnima, 1971-

2002-01-01T23:59:59.000Z

158

Rates of tectonic and magmatic processes in the North Cascades continental magmatic arc  

E-Print Network [OSTI]

Continental magmatic arcs are among the most dynamic. geologic systems, and documentation of the magmatic, thermal, and tectonic evolution of arcs is essential for understanding the processes of magma generation, ascent ...

Matzel, Jennifer E. Piontek, 1973-

2004-01-01T23:59:59.000Z

159

Sediment resuspension over a continental shelf during Hurricanes Edouard and Hortense  

E-Print Network [OSTI]

Sediment resuspension over a continental shelf during Hurricanes Edouard and Hortense G. C. Chang physical and optical measurements have captured sediment resuspension associated with two hurricanes. Sediment resuspension associated with Hurricane Edouard was forced by combined current and wave processes

Chang, Grace C.

160

On the role of monoterpene chemistry in the remote continental boundary layer  

E-Print Network [OSTI]

The formation of organic nitrates (RONO[subscript 2]) represents an important NO[subscript x] (NO[subscript x] = NO + NO[subscript 2]) sink in the remote and rural continental atmosphere, thus impacting ozone production ...

Wooldridge, P. J.

Note: This page contains sample records for the topic "beaufort continental slope" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


161

1 Bioinformatic approaches for objective detection of water masses on 2 continental shelves  

E-Print Network [OSTI]

color satellite imagery were collected for the continental shelf of 13 the Mid-Atlantic Bight], understanding basin- 36 scale biogeochemistry [Broecker and Takahashi, 1985]. 37 Water masses are classically

Moline, Mark

162

Nutrient exchange and ventilation of benthic gases across the continental shelf break  

E-Print Network [OSTI]

2011; published 28 June 2011. [1] On western margins of ocean basins, such as the eastern continental Current and winds in the Southeast Brazil Bight. Castelao et al. [2004] modeled the int

Mahadevan, Amala

163

Late Palaeozoic Basins of the Southern U.S. Continental Interior [Abstract] [and Discussion  

Science Journals Connector (OSTI)

5 May 1982 research-article Late Palaeozoic Basins of the Southern U.S. Continental Interior [Abstract] [and Discussion] J. F. Dewey W...georef;1985006010 basins economic geology energy sources folds intracratonic basins Paleozoic...

1982-01-01T23:59:59.000Z

164

Electrical conductivity of continental lithospheric mantle from integrated geophysical and petrological modeling  

E-Print Network [OSTI]

Electrical conductivity of continental lithospheric mantle from integrated geophysical; published 11 October 2011. [1] The electrical conductivity of mantle minerals is highly sensitive, and compositional variations. The bulk electrical conductivity model has been integrated into the software package

Jones, Alan G.

165

The evolution of lithospheric deformation and crustal structure from continental margins to oceanic spreading centers  

E-Print Network [OSTI]

This thesis investigates the evolution of lithospheric deformation and crustal structure from continental margins to mid-ocean ridges. The first part (Ch. 2) examines the style of segmentation along the U.S. East Coast ...

Behn, Mark Dietrich, 1974-

2002-01-01T23:59:59.000Z

166

Data from Innovative Methane Hydrate Test on Alaska's North Slope Now  

Broader source: Energy.gov (indexed) [DOE]

Data from Innovative Methane Hydrate Test on Alaska's North Slope Data from Innovative Methane Hydrate Test on Alaska's North Slope Now Available on NETL Website Data from Innovative Methane Hydrate Test on Alaska's North Slope Now Available on NETL Website March 11, 2013 - 10:07am Addthis DOE participated in gas hydrate field production trials in early 2012 in partnership with ConocoPhillips and the Japan Oil, Gas and Metals National Corp at the IÄ¡nik Sikumi (Inupiat for “Fire in the Ice”) test well, shown here, on the north slope of Alaska. Datasets from that field trial are now available to the public. DOE participated in gas hydrate field production trials in early 2012 in partnership with ConocoPhillips and the Japan Oil, Gas and Metals National Corp at the Iġnik Sikumi (Inupiat for "Fire in the Ice") test well,

167

NETL: Oil & Natural Gas Projects: Alaska North Slope Oil and Gas  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Alaska North Slope Oil and Gas Transportation Support System Last Reviewed 12/23/2013 Alaska North Slope Oil and Gas Transportation Support System Last Reviewed 12/23/2013 DE-FE0001240 Goal The primary objectives of this project are to develop analysis and management tools related to Arctic transportation networks (e.g., ice and snow road networks) that are critical to North Slope, Alaska oil and gas development. Performers Geo-Watersheds Scientific, Fairbanks, AK 99708 University of Alaska Fairbanks, Fairbanks, AK 99775 Idaho National Laboratory, Idaho Falls, ID 83415 Background Oil and gas development on the North Slope is critical for maintaining U.S. energy supplies and is facing a period of new growth to meet the increasing energy needs of the nation. A majority of all exploration and development activities, pipeline maintenance, and other field support projects take

168

THE FIRST SLOPE CASE OF WAN'S CONJECTURE JASPER SCHOLTEN AND HUI JUNE ZHU  

E-Print Network [OSTI]

THE FIRST SLOPE CASE OF WAN'S CONJECTURE JASPER SCHOLTEN AND HUI JUNE ZHU Abstract. Let d 2 and p, Hodge polygon, zeta and L functions over finite fields, Wan's Conjecture. 1 #12;2 JASPER SCHOLTEN

Zhu, Hui June

169

SLOPE ESTIMATES OF ARTIN-SCHREIER CURVES JASPER SCHOLTEN AND HUI JUNE ZHU  

E-Print Network [OSTI]

SLOPE ESTIMATES OF ARTIN-SCHREIER CURVES JASPER SCHOLTEN AND HUI JUNE ZHU Abstract. Let X polygon, zeta and L functions over finite fields. 1 #12;2 JASPER SCHOLTEN AND HUI JUNE ZHU b) If p > 2d

Zhu, Hui June

170

Acid precipitation and surface-water vulnerability on the western slope of the high colorado rockies  

Science Journals Connector (OSTI)

Precipitation and surface waters in a high-elevation watershed on the western slope of the Colorado Rockies were studied over a three-year...?1 in the former and 100 to 900 ?eq L?1 in the latter.

John Harts; Greg P. Lockett; Richard A. Schneider

1985-07-01T23:59:59.000Z

171

ARMs Climate Change Educational Outreach on the North Slope...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

ARM's Climate Change Educational Outreach on the North Slope of Alaska C. E. Talus, F. J. Barnes, and M. H. Springer Los Alamos National Laboratory Los Alamos, New Mexico R. H....

172

Subinertial Slope-Trapped Waves in the Northeastern Gulf of Mexico  

Science Journals Connector (OSTI)

Current velocity from moored arrays of acoustic Doppler current profilers (ADCPs) deployed on the outer shelf and slope, south of Mobile Bay in the northeastern Gulf of Mexico, shows evidence of alongslope, generally westward-propagating ...

Z. R. Hallock; W. J. Teague; E. Jarosz

2009-06-01T23:59:59.000Z

173

Crustal insights from gravity and aeromagnetic analysis: Central North Slope, Alaska  

Science Journals Connector (OSTI)

...of the Arctic coastal plain, complete Bouguer gravity...the east, the coastal plain is spanned by a 1981 survey (Cunningham et al., 1987; Donovan et al., 1988...Slope, including the ANWR 1002 (coastal plain) area and west into eastern...

Richard W. Saltus; Christopher J. Potter; Jeffrey D. Phillips

174

Soil solution chemistry at different positions on slope in a conifer plantation forest  

Science Journals Connector (OSTI)

It is known that soil property varies along the slope. It suggests that soil solution chemistry also differs topographically. To determine the variation in soil solution chemistry within one watershed, soil so...

Naoko Tokuchi; Goro Iwatsubo

1999-05-01T23:59:59.000Z

175

E-Print Network 3.0 - atlantic slope waters Sample Search Results  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

the southern South Atlantic the high... long as the pressure does not vary. If a water parcel moves to a different depth, the slope and value... Atlantic. The continuity of this...

176

Parametric Numerical Study of Seismic Slope Stability and Verification of the Newmark Method  

Science Journals Connector (OSTI)

...2D dynamic modelling of seismic slope stability is applied to a landslide-prone area in Central Asia, the Mailuu-Suu Valley, situated in the south of Kyrgyzstan...

Almaz Torgoev; Hans-Balder Havenith

2013-01-01T23:59:59.000Z

177

Slope Dynamic Geomorphology of the Mailuu-Suu Area, Aspects of Long-Term Prediction  

Science Journals Connector (OSTI)

Long-term monitoring and the analysis of stability of the slopes subject to landslides on the territory of southwest Tien Shan where loessial soils are common, show almost a constant speed of deformation (seconda...

Yuri Aleshin; Isakbek Torgoev

2014-01-01T23:59:59.000Z

178

Multiplexed fiber-optic sensors using a dual-slope frequency-modulated source  

Science Journals Connector (OSTI)

We propose and demonstrate a multiplexed fiber-optic sensor system using a dual-slope (triangular) frequency-modulated laser source. The restrictions in the selection of beat...

Chien, Pie-Yau; Pan, Ci-Ling

1991-01-01T23:59:59.000Z

179

Tidally Forced Internal Waves and Overturns Observed on a Slope: Results from HOME  

Science Journals Connector (OSTI)

Tidal mixing over a slope was explored using moored time series observations on Kaena Ridge extending northwest from Oahu, Hawaii, during the Survey component of the Hawaii Ocean Mixing Experiment (HOME). A mooring was instrumented to sample the ...

Murray D. Levine; Timothy J. Boyd

2006-06-01T23:59:59.000Z

180

Nonlinear infragravity-wave interactions on a gently sloping laboratory beach  

Science Journals Connector (OSTI)

A high-resolution data set of three irregular wave conditions collected on a gently sloping, laboratory beach is analyzed to study nonlinear energy transfers involving infragravity frequencies. We use bispectral analysis to identify the dominant ...

A. T. M. de Bakker; T. H. C. Herbers; P. B. Smit; M. F. S. Tissier; B. G. Ruessink

Note: This page contains sample records for the topic "beaufort continental slope" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


181

Midlatitude Continental Convective Clouds Experiment (MC3E)  

SciTech Connect (OSTI)

Convective processes play a critical role in the Earths energy balance through the redistribution of heat and moisture in the atmosphere and subsequent impacts on the hydrologic cycle. Global observation and accurate representation of these processes in numerical models is vital to improving our current understanding and future simulations of Earths climate system. Despite improvements in computing power, current operational weather and global climate models are unable to resolve the natural temporal and spatial scales that are associated with convective and stratiform precipitation processes; therefore, they must turn to parameterization schemes to represent these processes. In turn, the physical basis for these parameterization schemes needs to be evaluated for general application under a variety of atmospheric conditions. Analogously, space-based remote sensing algorithms designed to retrieve related cloud and precipitation information for use in hydrological, climate, and numerical weather prediction applications often rely on physical parameterizations that reliably translate indirectly related instrument measurements to the physical quantity of interest (e.g., precipitation rate). Importantly, both spaceborne retrieval algorithms and model convective parameterization schemes traditionally rely on field campaign data sets as a basis for evaluating and improving the physics of their respective approaches. The Midlatitude Continental Convective Clouds Experiment (MC3E) will take place in central Oklahoma during the AprilMay 2011 period. The experiment is a collaborative effort between the U.S. Department of Energy (DOE) Atmospheric Radiation Measurement (ARM) Climate Research Facility and the National Aeronautics and Space Administrations (NASA) Global Precipitation Measurement (GPM) mission Ground Validation (GV) program. The field campaign leverages the unprecedented observing infrastructure currently available in the central United States, combined with an extensive sounding array, remote sensing and in situ aircraft observations, NASA GPM ground validation remote sensors, and new ARM instrumentation purchased with American Recovery and Reinvestment Act funding. The overarching goal is to provide the most complete characterization of convective cloud systems, precipitation, and the environment that has ever been obtained, providing constraints for model cumulus parameterizations and space-based rainfall retrieval algorithms over land that have never before been available. Several different components of convective cloud and precipitation processes tangible to both the convective parameterization and precipitation retrieval algorithm problem are targeted, such as preconvective environment and convective initiation, updraft/downdraft dynamics, condensate transport and detrainment, precipitation and cloud microphysics, spatial and temporal variability of precipitation, influence on the environment and radiation, and a detailed description of the large-scale forcing.

Jensen, MP; Petersen, WA; Del Genio, AD; Giangrande, SE; Heymsfield, A; Heymsfield, G; Hou, AY; Kollias, P; Orr, B; Rutledge, SA; Schwaller, MR; Zipser, E

2010-04-01T23:59:59.000Z

182

Slump and debris-flow dominated upper slope facies in the Cretaceous of the Norwegian and northern North Seas (61-67{degrees}N): Implications for sand distribution  

SciTech Connect (OSTI)

A regional sedimentological study of Cretaceous sequences in the Mid-Norway region (Norwegian Sea) and in the Agat region (Agat field area, northern North Sea) reveals that these sequences were predominantly deposited in an upper continental slope environment by slumps and debris flows. Examination of nearly 500 m of core from 14 wells shows eight distinct lithofacies: facies 1 (contorted conglomerate and pebbly sandstone) represents deposits of sandy slumps and debris flows, possibly in a channel setting; facies 2 (contorted sandstone) is the most widespread and is the product of sandy slumps and debris flows; facies 3 (contorted mudstone) indicates deposition from muddy slumps and debris flow; facies 4 (rippled sandstone) suggests bottom-current reworking; facies 5 (graded sandstone) represents turbidity-current deposits and is very rare; facies 6 (laminated mudstone) is a product of pelagic or hemipelagic deposition; facies 7 (cross-bedded sandstone) is indicative of tidal processes, and facies 8 (laminated sandstone) represents delta-front and shelf deposits. These facies and their association suggest a shelf-edge delta to upper slope environment of deposition. Existing core data document deltaic facies only in the Mid-Norway region. The proposed shelf-edge delta and upper slope model has important implications for sand distribution. (1) This model provides and alternative to the conventional submarine-fan model previously applied to these sequences. (2) Although slump and debris-flow emplaced sands are usually discontinuous and unpredictable, highly amalgamated slump and debris-flow sands may develop thick reservoirs. (3) By using the Eocene Frigg Formation as an analog, it is predicted that externally mounded seismic facies in the study area may be composed of sandy slumps and debris flows.

Shanmugam, G. [Mobil Research and Development Corp., Dallas, TX (United States); Lehtonen, L.R. [Mobil Exploration and Producing U.S.Inc., New Orleans, LA (United States); Straume, T.; Syvertsen, S.E.; Hodgkinson, R.J.; Skibeli, M. [Mobil Exploration Norway Inc., Stavanger (Norway)

1994-06-01T23:59:59.000Z

183

The repeated failure of a cut-slope despite continuous reassessment and remedial works  

Science Journals Connector (OSTI)

The failure of slopes and the subsequent costs of remedial works are often the result of insufficient geological investigation and inadequate interpretation of ground conditions prior to design. This is compounded by poor investigations into the causes of failures and systemic problems associated with poorly defined responsibilities for the stability of cut-slopes. This paper reviews such problems in detail with reference to the repeated failure of one large slope in Korea. It is demonstrated that the original ground investigation and design were deficient particularly considering the predictable complexity of the geological conditions. Subsequent investigations were similarly deficient. As a consequence the slope failed six times despite nine reassessments by various professional engineers and the implementation of several different remedial schemes over a period of 7 years up to a disastrous failure in 2002. Further reviews, redesign, construction and litigation have continued since then up to the present. During the history of design, failure and reassessment the height of the cut-slope increased from 45m to 155m and the cost increased from 3.3million to 26million US dollars.

Su-Gon Lee; Stephen R. Hencher

2009-01-01T23:59:59.000Z

184

Determination of the Tafel slope for oxygen evolution on boron-doped diamond electrodes  

Science Journals Connector (OSTI)

It has been reported that the oxygen evolution reaction (OER) on boron-doped diamond (BDD) electrodes appears at high overpotential and results in unusually high Tafel slope. In this work, we have studied the OER in 1M \\{HClO4\\} on BDD macroelectrode and microelectrodes-array (MEA). The correction of the anodic polarization curve for ohmic drop has been performed on BDD macroelectrode taking into account the total uncompensated resistance of the studied system. On BDD MEA, no correction of the polarization curve was necessary due to the small contribution of ohmic drop to the measured potential. At low overpotential (Tafel slopes (340 and 680mVdec?1 on BDD MEA and BDD, respectively) have been observed. Such high slopes may result from the presence of surface redox couples/functional groups which act as a barrier for OER on BDD. In this potential region, the Tafel slope depends strongly on the state of the electrode surface. In the high overpotential region (>1.2V), the Tafel slope has been found equal to 120mVdec?1, which is the theoretical value considering a first or a second electron transfer step as the rate determining step.

Agnieszka Kapa?ka; Gyrgy Fti; Christos Comninellis

2008-01-01T23:59:59.000Z

185

File:EIA-AK-NorthSlope-BOE.pdf | Open Energy Information  

Open Energy Info (EERE)

File File Edit with form History Facebook icon Twitter icon » File:EIA-AK-NorthSlope-BOE.pdf Jump to: navigation, search File File history File usage Alaskan North Slope By 2001 BOE Reserve Class Size of this preview: 776 × 600 pixels. Full resolution ‎(6,600 × 5,100 pixels, file size: 2.16 MB, MIME type: application/pdf) Description Alaskan North Slope By 2001 BOE Reserve Class Sources Energy Information Administration Authors Samuel H. Limerick; Lucy Luo; Gary Long; David F. Morehouse; Jack Perrin; Robert F. King Related Technologies Oil, Natural Gas Creation Date 2005-09-01 Extent Regional Countries United States UN Region Northern America States Alaska File history Click on a date/time to view the file as it appeared at that time. Date/Time Thumbnail Dimensions User Comment

186

The slope parameter approach to marine cathodic protection design and its application to impressed current systems  

SciTech Connect (OSTI)

The recently developed slope parameter approach to design of galvanic anode cathodic protection (cp) systems for marine structures constitutes an advancement in this technology compared to current practice, primarily because the former is first principles based and the latter is an empirical algorithm. In this paper, the slope parameter approach is reviewed; and related applications for which it can be utilized, including (1) design of new and retrofit cp systems, (2) evaluation of potential survey data, and (3) cp system design for complex geometries, are mentioned. The design current density is identified as the single remaining parameter for which values must be projected solely by experience or experimentation. In addition, the slope parameter approach is applied to the results of impressed current cp experiments, and it is shown how parameters for this can be interrelated with those of galvanic anode cp. Advantages of this capability are identified and discussed.

Hartt, W.H.

1999-07-01T23:59:59.000Z

187

Influence of deep-seated gravitational slope deformations on landslide distributions: A statistical approach  

Science Journals Connector (OSTI)

Abstract The influence of deep-seated gravitational slope deformations (DSGSDs) on the distribution of translational landslides was analyzed in the Milia basin, Tuscany, Italy. Detailed geomorphological mapping, combined with the analysis of aerial photography, enabled us to build two landslide inventories. One inventory including landslides before 1975 was used to create statistical models, whereas the other inventory including landslides after 1975 was used to validate the models. Geology, slope angle, slope aspect, distance to hydrographic elements, and distance to tectonic lineaments were considered as landslide-predisposing factors. To quantify the importance of \\{DSGSDs\\} as another landslide-predisposing factor, the DSGSD presence/absence map was introduced in the stepwise statistical analysis. The landslide inventory maps and factor maps were processed using a conditional analysis on all possible factor combinations to produce landslide susceptibility maps with five susceptibility classes. The results indicate that the \\{DSGSDs\\} significantly affect landslide distribution.

M. Capitani; A. Ribolini; P.R. Federici

2013-01-01T23:59:59.000Z

188

Process of Equiaxed Grains of RE-Al Alloy under Slope Vibration  

SciTech Connect (OSTI)

A new technique using slope vibration casting process during heating and isothermal holding period to prepare Al-7Si-2RE alloy has been studied. The small, near-spherical and non-dendritic microstructure with the semi-solid processing requirements has been obtained. Experiments show that the cooling method, pouring process and the convection of melt caused by slope vibration had significant effects on the formation of near-spherical primary gains. The water-cooled copper mold casting with slope vibration at the temperature near liquidus can obtain Al-7Si-2RE alloy with small homogeneous equiaxed grains, the average grain diameter is 48.3 mum, and the average grain roundness is 1.92.

Xie Shikun; Yi Rongxi; Pan Xiaoliang; Zheng Xiaoqiu; Guo Xiuyan [School of Engineering, Jinggangshan University, Ji'an, 343009 (China)

2010-06-15T23:59:59.000Z

189

File:EIA-AK-NorthSlope-liquids.pdf | Open Energy Information  

Open Energy Info (EERE)

Alaskan North Slope By 2001 Liquids Reserve Class Alaskan North Slope By 2001 Liquids Reserve Class Size of this preview: 776 × 600 pixels. Full resolution ‎(6,600 × 5,100 pixels, file size: 2.17 MB, MIME type: application/pdf) Description Alaskan North Slope By 2001 Liquids Reserve Class Sources Energy Information Administration Authors Samuel H. Limerick; Lucy Luo; Gary Long; David F. Morehouse; Jack Perrin; Robert F. King Related Technologies Oil, Natural Gas Creation Date 2005-09-01 Extent Regional Countries United States UN Region Northern America States Alaska File history Click on a date/time to view the file as it appeared at that time. Date/Time Thumbnail Dimensions User Comment current 16:57, 20 December 2010 Thumbnail for version as of 16:57, 20 December 2010 6,600 × 5,100 (2.17 MB) MapBot (Talk | contribs) Automated bot upload

190

File:EIA-AK-NorthSlope-gas.pdf | Open Energy Information  

Open Energy Info (EERE)

Alaskan North Slope By 2001 Gas Reserve Class Alaskan North Slope By 2001 Gas Reserve Class Size of this preview: 776 × 600 pixels. Full resolution ‎(6,600 × 5,100 pixels, file size: 2.16 MB, MIME type: application/pdf) Description Alaskan North Slope By 2001 Gas Reserve Class Sources Energy Information Administration Authors Samuel H. Limerick; Lucy Luo; Gary Long; David F. Morehouse; Jack Perrin; Robert F. King Related Technologies Oil, Natural Gas Creation Date 2005-09-01 Extent Regional Countries United States UN Region Northern America States Alaska File history Click on a date/time to view the file as it appeared at that time. Date/Time Thumbnail Dimensions User Comment current 16:57, 20 December 2010 Thumbnail for version as of 16:57, 20 December 2010 6,600 × 5,100 (2.16 MB) MapBot (Talk | contribs) Automated bot upload

191

Energy dependence of slope parameter in elastic nucleon-nucleon scattering  

E-Print Network [OSTI]

The study of slope parameter is presented for elastic proton-proton and antiproton-proton scattering with taking into account the resent experimental data at high energies. The expanded logarithmic approximations allow the description of the experimental slopes in all available energy range reasonably. Accounting for the LHC results leads to the dramatic change of behavior of the quadratic in logarithm approximation at high energies and to the closer trends for all fitting functions under study in comparison with the analysis at collision energies up to the 200 GeV. The estimations of the asymptotic shrinkage parameter $\\alpha'_{\\cal{P}}$ are discussed. Predictions for diffraction slope parameter are obtained for some proton-proton and antiproton-proton facilities.

Okorokov, V A

2015-01-01T23:59:59.000Z

192

Two and three dimensional analysis of a slope failure in a lignite mine  

Science Journals Connector (OSTI)

With about 9.3 billion tons of reserve, lignite is a major source for energy production in Turkey. The Af?inElbistan lignite basin, containing 47% of the overall lignite reserve in Turkey, lies in the Af?in and Elbistan districts as a part of Kahramanmara?. The new llolar opencast mine is in the AfsinElbistan lignite basin, and this mine will be the second mining activity in the basin after the active K??laky opencast mine. The new mine will meet the coal consumption of the Elbistan B power plant. Input parameters for slope stability analysis are essential, and so they must be determined accurately and precisely. Field investigations, laboratory testing and back analyses are vital instruments for the input parameters. This study presents the results of slope stability analysis via finite difference code and a limit equilibrium software for the soil slopes of the Elbistanllolar lignite mine. The basic input parameters, cohesion and friction angle, were determined in the soil mechanics laboratory. By back analyses of a large scale slope failure, mobilized friction angles for a critical weak clay layer under the lignite seam were determined accurately by using the 2D limit equilibrium method and 3D finite difference models. Results of the friction angles were compared in order to check the effectiveness of commonly used 2D approaches in handling the slope problems. Differences in the results of the mobilized friction angles for the weak clay layer were more than 30%. The 3D models indicated that the mobilized friction angle during the major slope failure was substantially lower than the friction angle generated by the 2D limit equilibrium method.

Levent Tutluoglu; Ibrahim Ferid ge; Celal Karpuz

2011-01-01T23:59:59.000Z

193

Federal Outer Continental Shelf Oil and Gas Production Statistics - Gulf of  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Gulf of Gulf of Mexico Energy Data Apps Maps Challenges Resources Blogs Let's Talk Energy Beta You are here Data.gov » Communities » Energy » Data Federal Outer Continental Shelf Oil and Gas Production Statistics - Gulf of Mexico Dataset Summary Description Federal Outer Continental Shelf Oil and Gas Production Statistics for the Gulf of Mexico by month and summarized annually. Tags {"Minerals Management Service",MMS,Production,"natural gas",gas,condensate,"crude oil",oil,"OCS production","Outer Continental Shelf",OSC,EIA,"Energy Information Agency",federal,DOE,"Department of Energy",DOI,"Department of the Interior","Gulf of Mexico"} Dataset Ratings Overall 0 No votes yet Data Utility

194

Role of magmatism in continental lithosphere extension: an introduction to tectnophysics special issue  

SciTech Connect (OSTI)

The dynamics and evolution of rifts and continental rifted margins have been the subject of intense study and debate for many years and still remain the focus of active investigation. The 2006 AGU Fall Meeting session 'Extensional Processes Leading to the Formation of Basins and Rifted Margins, From Volcanic to Magma-Limited' included several contributions that illustrated recent advances in our understanding of rifting processes, from the early stages of extension to breakup and incipient seafloor spreading. Following this session, we aimed to assemble a multi-disciplinary collection of papers focussing on the architecture, formation and evolution of continental rift zones and rifted margins. This Tectonophysics Special Issue 'Role of magmatism in continental lithosphere extension' comprises 14 papers that present some of the recent insights on rift and rifted margins dynamics, emphasising the role of magmatism in extensional processes. The purpose of this contribution is to introduce these papers.

Van Wijk, Jolante W [Los Alamos National Laboratory

2008-01-01T23:59:59.000Z

195

Bringing Alaska North Slope Natural Gas to Market (released in AEO2009)  

Reports and Publications (EIA)

At least three alternatives have been proposed over the years for bringing sizable volumes of natural gas from Alaska's remote North Slope to market in the lower 48 states: a pipeline interconnecting with the existing pipeline system in central Alberta, Canada; a gas-to-liquids (GTL) plant on the North Slope; and a large liquefied natural gas (LNG) export facility at Valdez, Alaska. The National Energy Modeling System (NEMS) explicitly models the pipeline and GTL options. The what if LNG option is not modeled in NEMS.

2009-01-01T23:59:59.000Z

196

Extraordinarily small Tafel slope for oxide formation reaction on Pt (111) surface  

Science Journals Connector (OSTI)

Oxide formation reaction current density on Pt (111) was estimated by time-differentiating oxide growth curves during a potential hold as a function of the potential and the coverage with the oxide below 0.35 ML (monolayer). The Tafel slope was 1824mVdecade?1 in the condition where the Tafel plot is on a straight line. The reaction mechanism accounting for this small slope was proposed, in which the oxide formation process is assumed as a combination of a fast electron transfer step and a following slow step.

Kensaku Kodama; Ryosuke Jinnouchi; Takahisa Suzuki; Tatsuya Hatanaka; Yu Morimoto

2012-01-01T23:59:59.000Z

197

On the transfer of atmospheric energy from the Gulf of Mexico to the continental United States  

E-Print Network [OSTI]

ON THE TRANSFER OF ATMOSPHERIC ENERGY FROM THE GULP OF MEXICO TO THE CONTINENTAL UNITED STATES A Thesis RICHARD WILLIAM KNIGHT Submitted to the Graduate College of Texas AkM University in partial fulfillment of the requirement for the degree... of MASTER OF SCIENCE Deoember 1972 Ma)or Sub)ect: Meteorology ON THE TRANSFER OF ATMOSPHERIC ENERGY FROM THE GULF OF MEXICO TO THE CONTINENTAL UNITED STATES A Thesis RICHARD WILLIAM KNIGHT Approved as to style and content by: Chairman of ommittee...

Knight, Richard William

2012-06-07T23:59:59.000Z

198

Bulletin of the Seismological Society of America, 90, 2, pp. 425449, April 2000 Earthquake Locations in the Inner Continental Borderland,  

E-Print Network [OSTI]

Locations in the Inner Continental Borderland, Offshore Southern California by Luciana Astiz and Peter M. Shearer Abstract The inner Continental Borderland region, offshore southern California, is tectonically in this area, we apply new location methods to 4312 offshore seismic events that occurred between 1981 and 1997

Shearer, Peter

199

A new calanoid copepod (Spinocalanidae) swarming at a cold seep site on the Gabon continental margin (Southeast Atlantic)  

E-Print Network [OSTI]

A new calanoid copepod (Spinocalanidae) swarming at a cold seep site on the Gabon continental Regab on the Gabon continental margin (Southeast Atlantic) at a depth of 3151-3155 m. After description Gabon (Atlantique sud-est). Des femelles, des mâles et des copépodites V mâles de Methanocalanus

Ivanenko, Viatcheslav N.

200

CHARCOAL AND MICROCHARCOAL :CONTINENTAL AND MARINE RECORDS 4th International Meeting of Anthracology, Brussels , 8-13 September 2008  

E-Print Network [OSTI]

CHARCOAL AND MICROCHARCOAL :CONTINENTAL AND MARINE RECORDS 4th International Meeting, little is known of the traditional production of lime, in terms of fuel management and lay out (calcium oxide), which is chemically unstable in #12;CHARCOAL AND MICROCHARCOAL :CONTINENTAL AND MARINE

Boyer, Edmond

Note: This page contains sample records for the topic "beaufort continental slope" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


201

South Atlantic continental margins of Africa: A comparison of the tectonic vs climate interplay on the evolution  

E-Print Network [OSTI]

South Atlantic continental margins of Africa: A comparison of the tectonic vs climate interplay on the evolution of equatorial west Africa and SW Africa margins Michel Se´ranne *, Zahie Anka UMR 5573 Dynamique February 2005; accepted 18 July 2005 Abstract Africa displays a variety of continental margin structures

Demouchy, Sylvie

202

FURTHER STUDIES ON FISHWAY SLOPE AND ITS EFFECT ON RATE OF . PASSAGE OF SALMONIDS  

E-Print Network [OSTI]

.0-foot rise between pools was as fast as, or faster than, in the 1:16-slope fishway with a 1.0-foot of water resource development on the Col- umbia River for irrigation, power, arid flood con- trol have

203

The hillslope-storage Boussinesq model for non-constant bedrock slope  

E-Print Network [OSTI]

The hillslope-storage Boussinesq model for non-constant bedrock slope A.G.J. Hilbertsa,*, E.E. van hillslope-storage Boussinesq (hsB) model is cast in a generalized formulation enabling the model to handle flow; Boussinesq equation; Richards equation; Kinematic wave equation 1. Introduction Landscape

Loon, E. Emiel van

204

Evaluation of Development Options for Alaska North Slope Viscous and Heavy Oil  

Science Journals Connector (OSTI)

Current estimates of discovered viscous and heavy oil in Alaskas North Slope are 12 billion barrels of oil-in-place and 1218 billion barrels of oil-in-place, respectively (see Appendix1 for conversion to SI un...

Emil D. Attanasi; Philip A. Freeman

2014-06-01T23:59:59.000Z

205

A SLIPPERY SLOPE: HOW MUCH GLOBAL WARMING CONSTITUTES "DANGEROUS ANTHROPOGENIC INTERFERENCE"?  

E-Print Network [OSTI]

A SLIPPERY SLOPE: HOW MUCH GLOBAL WARMING CONSTITUTES "DANGEROUS ANTHROPOGENIC INTERFERENCE on the global warming that can be tolerated without risking dangerous anthropogenic interference with climate. I" mainly as a metaphor for the danger posed by global warming. So I changed "Hell" to "disaster." What

Hansen, James E.

206

Effects of Saturation on Slope Stability: Laboratory Experiments Utilizing External Load  

Science Journals Connector (OSTI)

...inclination were measured. The maximum sustainable load or failure load, q f, ranged...damage to both human health and real estate properties. The conditions "necessary...fluctuation of pore water pressure in a real slope may give an indication of...

Kai Germer; Juergen Braun

207

Slope instabilities in Dolomieu crater, Runion Island: From seismic signals to rockfall characteristics  

E-Print Network [OSTI]

characteristics C. Hibert,1,2 A. Mangeney,1,3 G. Grandjean,2 and N. M. Shapiro1 Received 29 March 2011; revised 23 . Citation: Hibert, C., A. Mangeney, G. Grandjean, and N. M. Shapiro (2011), Slope instabilities in Dolomieu

Shapiro, Nikolai

208

Cryogenic focal plane flatness measurement with optical zone slope Jerry Edelstein1  

E-Print Network [OSTI]

Cryogenic focal plane flatness measurement with optical zone slope tracking Jerry Edelstein1 to determine the surface flatness of a cryogenic sensor array developed for the JDEM mission. Large focal such as JDEM, WFIRST, or EUCLID must operate at cryogenic temperatures while maintaining focal plane flatness

California at Berkeley, University of

209

PHYSICS OF FLUIDS 25, 086604 (2013) Gravity currents shoaling on a slope  

E-Print Network [OSTI]

water rivers into the saline ocean form surface gravity currents. The study of gravity currents is also spills in the ocean.6 Gravity currents in a channel have been well studied through lockPHYSICS OF FLUIDS 25, 086604 (2013) Gravity currents shoaling on a slope Bruce R. Sutherland,1,2,a

Sutherland, Bruce

210

Safety First Safety Last Safety Always Three soil types, plus rock, determine the slope or  

E-Print Network [OSTI]

Safety First Safety Last Safety Always · Three soil types, plus rock, determine the slope or safety to be at least 2 feet from the edge. Excavation Requirements Safety Tip #10 If you see a mistake and don't fix it on the reverse side of this safety tip sheet. Please refrain from reading the information verbatim

Minnesota, University of

211

MODELLING SURFACE HOAR FORMATION AND EVOLUTION ON MOUNTAIN SLOPES Simon Horton1  

E-Print Network [OSTI]

. Weather station data and forecasted data from the GEM15 numerical weather prediction model were used evaluates surface hoar size predictions made with empirical weather based models and discusses how buried and south facing slopes in the Columbia Mountains. Two models were developed to predict crystal size, one

Jamieson, Bruce

212

Continental energy security: Energy security in the North American context1  

E-Print Network [OSTI]

, commissioned reports, and signed legislation in an effort to stem crude oil imports and improve energy securityERG/201101 Continental energy security: Energy security in the North American context1 Larry Hughes, Canada 24 January 2011 1 A textbox for the Global Energy Assessment's Knowledge Module 5: Energy Security

Hughes, Larry

213

Continental Shelf Research 21 (2001) 587606 Nutrient enrichment off Port Stephens  

E-Print Network [OSTI]

Continental Shelf Research 21 (2001) 587­606 Nutrient enrichment off Port Stephens: the role of the dinoflagellate Noctiluca scintillans occurred off Port Stephens, on the New South Wales (NSW) central coast water into the euphotic zone off Port Stephens. To this end, a regional model of the NSW coast

Oke, Peter

214

Internal tide generation at the continental shelf modelled using a modal decomposition  

E-Print Network [OSTI]

Internal tide generation at the continental shelf modelled using a modal decomposition: two are required. Using this formulation, we calculate the internal tide generated by a time-periodic barotropic-layer or uniformly stratified. For the two-layer case, we derive expressions for the shoreward and oceanward energy

215

The Unpredictable Nature of Internal Tides on Continental Shelves JONATHAN D. NASH  

E-Print Network [OSTI]

of internal tide energy (local or remote) mean that shelf internal tides and NLIWs will be predictable internal tides. Since the depth-integrated internal tide energy in the open ocean can greatly exceedThe Unpredictable Nature of Internal Tides on Continental Shelves JONATHAN D. NASH College of Earth

216

Lithium isotopic composition and concentration of the deep continental crust Fang-Zhen Teng a,  

E-Print Network [OSTI]

Lithium isotopic composition and concentration of the deep continental crust Fang-Zhen Teng a April 2008 Accepted 5 June 2008 Editor: B. Bourdon Keywords: Lithium Isotope fractionation Deep. Lithium concentrations of granulite xenoliths also vary widely (0.5 to 21 ppm) and are, on average, lower

Mcdonough, William F.

217

Continental Shelf Research 26 (2006) 1524 Geochemical compositions of river and shelf sediments in the  

E-Print Network [OSTI]

Continental Shelf Research 26 (2006) 15­24 Geochemical compositions of river and shelf sediments in the Yellow Sea: Grain-size normalization and sediment provenance D.I. Lima,?, H.S. Jungb , J.Y. Choic , S 14 November 2005 Abstract The geochemistry of sediment samples from Korean and Chinese rivers

Yang, Shouye

218

The statistical nature of the upper continental crystalline crust derived from in situ seismic measurements  

Science Journals Connector (OSTI)

......crystalline crust. A recent large-scale geoscientific...German continental deep drilling project (KTB). It...in central Europe. A large program of seismic and...undertaken around the drilling location near Windischeschenbach...were measurements in the borehole, namely vertical seismic......

Guido Kneib

1995-09-01T23:59:59.000Z

219

Ice sheet limits in Norway and on the Norwegian continental shelf Jan Mangerud  

E-Print Network [OSTI]

Ice sheet limits in Norway and on the Norwegian continental shelf Jan Mangerud University of Bergen, Department of Geology, Allégt. 41, N-5007 Bergen, Norway Jan.Mangerud@geol.uib.no Introduction Ice sheets and other glaciers have had a spectacular erosional impact on the Norwegian landscape, producing deep fjords

Ingólfsson, ?lafur

220

Orbital and CO2 forcing of late Paleozoic continental ice sheets Daniel E. Horton,1  

E-Print Network [OSTI]

) produce large changes in late Paleozoic ice volume ($1.3 ? 108 km3 ) and sea level ($20 to 245 m). Between cold summer orbit, but still produces significant ice volumes ($8­12 ? 107 km3 ). Our results highlightOrbital and CO2 forcing of late Paleozoic continental ice sheets Daniel E. Horton,1 Christopher J

Poulsen, Chris J.

Note: This page contains sample records for the topic "beaufort continental slope" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


221

Radon-222, CO, CH4 and Continental Dust over the Greenland and Norwegian Seas  

Science Journals Connector (OSTI)

... The experiment was undertaken to investigate the relationships between these parameters and air mass trajectories. Radon (222Rn)-a radioactive rare gas emanating essentially from large continental land areas-and dust ... removed by coagulation and fallout or washed out by rain or fog, although comparison of radon level and dust data may be helpful in tracing the trajectory and mixing of air ...

R. E. LARSON; R. A. LAMONTAGNE; P. E. WILKNISS; W. I. WITTMANN

1972-12-08T23:59:59.000Z

222

Predicting and testing continental vertical motion histories since the Paleozoic Nan Zhang a,  

E-Print Network [OSTI]

, , Shijie Zhong a , Rebecca M. Flowers b a Department of Physics, University of Colorado, Boulder, CO, USA b Department of Geological Sciences, University of Colorado, Boulder, CO, USA a b s t r a c ta r t i c l e i n, sea-level change, continental flooding, sedimentation and erosion. These observations provide

Zhong, Shijie

223

Atlantic update, July 1986--June 1990: Outer Continental Shelf oil and gas activities  

SciTech Connect (OSTI)

This report describes outer continental shelf oil and gas activities in the Atlantic Region. This edition of the Atlantic Update includes an overview of the Mid-Atlantic Planning Area and a summary of the Manteo Prospect off-shore North Carolina. 6 figs., 8 tabs.

Karpas, R.M.; Gould, G.J.

1990-10-01T23:59:59.000Z

224

IX Festival del Sur - Encuentro Teatral Tres Continentes (Agimes, Gran Canaria)  

E-Print Network [OSTI]

164 LATIN AMERICAN THEATRE REVIEW El viejo y el mar. (Costa Rica) Teatro Quetzal. SPRING 1997 165 IX Festival del Sur - Encuentro Teatral Tres Continentes (Agimes, Gran Canaria) Carmen Mrquez Montes La IX edicin del Festival del Sur ha... Palmas de Gran Canaria Romeo, Versin montesca de la tragedia de Verona. Julio Salvatierra. Teatro Meridional. ...

Má rquez Montes, Carmen

1997-04-01T23:59:59.000Z

225

Oil and Gas CDT Gas hydrate distribution on tectonically active continental  

E-Print Network [OSTI]

Oil and Gas CDT Gas hydrate distribution on tectonically active continental margins: Impact on gas. Gregory F. Moore, University of Hawaii (USA) http://www.soest.hawaii.edu/moore/ Key Words Gas Hydrates, Faults, Fluid Flow, gas prospectivity Overview Fig. 1. Research on gas hydrates is often undertaken

Henderson, Gideon

226

A guidebook for insulated low-slope roof systems. IEA Annex 19, Low-slope roof systems: International Energy Agency Energy Conservation in Buildings and Community Systems Programme  

SciTech Connect (OSTI)

Low-slope roof systems are common on commercial and industrial buildings and, to a lesser extent, on residential buildings. Although insulating materials have nearly always been a component of low-slope roofs, the amount of insulation used has increased in the past two decades because of escalation of heating and cooling costs and increased awareness of the need for energy conservation. As the amount of insulation has increased, the demand has intensified for design, installation, and maintenance information specifically for well-insulated roofs. Existing practices for design, installation, and maintenance of insulated roofs have evolved from experience. Typically, these practices feature compromises due to the different properties of materials making up a given roof system. Therefore, they should be examined from time to time to ensure that they are appropriate as new materials continue to enter the market and as the data base on existing systems expands. A primary purpose of this International Energy Agency (IEA) study is to assess current roofing insulation practices in the context of an accumulating data base on performance.

Not Available

1994-02-01T23:59:59.000Z

227

Arellano, Tatum, Stark, Horvath, Leshchinsky 1 Interim Design Guideline for EPS-Block Geofoam in Slope Stabilization and Repair  

E-Print Network [OSTI]

Arellano, Tatum, Stark, Horvath, Leshchinsky 1 Interim Design Guideline for EPS-Block Geofoam of expanded polystyrene (EPS)-block geofoam3 for slope stabilization and repair based on the National for the use of EPS-block geofoam6 for the function of lightweight fill in slope stability applications

228

RRDE and Voltammetric Study of ORR on Pyrolyzed Fe/Polyaniline Catalyst. On the Origins of Variable Tafel Slopes  

Science Journals Connector (OSTI)

On the Origins of Variable Tafel Slopes ... The Tafel plots for oxygen reduction reaction (ORR) exhibit variable slopes ranging from 60 mV dec?1 at the lowest overpotentials to more than 240 mV dec?1 at high overpotentials. ...

Jerzy Chlistunoff

2011-03-17T23:59:59.000Z

229

Evaluation of Wax Deposition and its Control during Production of Alaska North Slope Oils  

Office of Scientific and Technical Information (OSTI)

Oil & Natural Gas Technology Oil & Natural Gas Technology DOE Award No.: DE-FC26-01NT41248 Evaluation of Wax Deposition and Its Control During Production of Alaska North Slope Oils Petroleum Development Laboratory Institute of Northern Engineering University of Alaska Fairbanks P.O. Box 755880 Fairbanks, Alaska 99775-5880 Prepared for: United States Department of Energy National Energy Technology Laboratory December 2008 Office of Fossil Energy Evaluation of Wax Deposition and Its Control During Production of Alaskan North Slope Oils Final Report Reporting Period: October 1, 2005-September 30, 2008 Principal Investigator: Tao Zhu University of Alaska Fairbanks P.O. Box 755880 Fairbanks, AK 99775-5880 fftz@uaf.edu, 907-474-5141 External Principal Investigator: Jack A. Walker

230

Infrared Cloud Imager Deployment at the North Slope of Alaska During Early 2002  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Infrared Cloud Imager Deployment Infrared Cloud Imager Deployment at the North Slope of Alaska During Early 2002 J. A. Shaw and B. Thurairajah Department of Electrical and Computer Engineering Montana State University Bozeman, Montana E. Edqvist National Oceanic and Atmospheric Administration Environmental Technology Laboratory Boulder, Colorado K. Mizutani Communications Research Laboratory Koganei, Tokyo, Japan Introduction Starting in February 2002, we deployed a new cloud-radiation sensor called the infrared cloud imager (ICI) at the North Slope of Alaska (NSA) site near Barrow, Alaska (71.32 N, 156.62 W). ICI records radiometrically calibrated images of the thermal infrared sky radiance in the 8µm to 14 µm wavelength band, from which spatial cloud statistics and spatially resolved cloud radiance can be determined.

231

Expansion of Facilities on the North Slope of Alaska in Time for the  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Expansion of Facilities on the North Slope of Alaska in Time for the Expansion of Facilities on the North Slope of Alaska in Time for the International Polar Year Zak, Bernard Sandia National Laboratories Ivey, Mark Sandia National Laboratories Zirzow, Jeffrey Sandia National Laboratories Brower, Walter UIC Science Division ARM/NSA Ivanoff, James NSA Whiteman, Doug NSA/AAO Sassen, Kenneth University of Alaska Fairbanks Truffer-Moudra, Dana University of Alaska Fairbanks Category: Infrastructure & Outreach The International Polar Year (IPY; 2007-2008) will stimulate research in both polar regions, primarily focusing on the rapid climate-related changes occurring at high latitudes. In part in preparation for the IPY, facilities at the NSA ACRF are undergoing expansion. In addition, with funding through NOAA, Phase 1 of the planned $60M Barrow Global Climate Change Research

232

Sidewinding with minimal slip: Snake and robot ascent of sandy slopes  

E-Print Network [OSTI]

Limbless organisms such as snakes can navigate nearly all terrain. In particular, desert-dwelling sidewinder rattlesnakes (Crotalus cerastes) operate effectively on inclined granular media (such as sand dunes) that induce failure in field-tested limbless robots through slipping and pitching. Our laboratory experiments reveal that as granular incline angle increases, sidewinder rattlesnakes increase the length of their body in contact with the sand. Implementing this strategy in a physical robot model of the snake enables the device to ascend sandy slopes close to the angle of maximum slope stability. Plate drag experiments demonstrate that granular yield stresses decrease with increasing incline angle. Together, these three approaches demonstrate how sidewinding with contact-length control mitigates failure on granular media.

Marvi, Hamidreza; Gravish, Nick; Astley, Henry; Travers, Matthew; Hatton, Ross L; Mendelson, Joseph R; Choset, Howie; Hu, David L; Goldman, Daniel I

2014-01-01T23:59:59.000Z

233

Sensitivity of Low Sloped Roofs Designs to Initial Water and Air Leakage  

E-Print Network [OSTI]

.Sc. Research Scientist VTT, Espoo, Finland Andre Desjarlais. B.Sc.E Program Manager, Oak Ridge National Laboratory 1 Bethel Valley Rd, Oak Ridge TN, 37831-6070 ABSTRACT Liquid water in low sloped roofs almost always causes problems... roofs in Finland (area varying from 200 m2 up to 5 000 m2). A laboratory hot box apparatus (Kouhia and Nieminen, 1999) was also used to further quantify the performance of the grooved roof ventilation system and to show the thermal consequences...

Karagiozis, A.; Desjarlais, A.; Salonvaara, M.

2002-01-01T23:59:59.000Z

234

Slope stability analysis by nite elements D. V. GRIFFITHS and P. A. LANE{  

E-Print Network [OSTI]

methods, including the in¯uence of a free surface on slope and dam stability. Graphical output is included'une surface libre sur la stabilite? d'une pente et d'une digue. Nous joignons une repre?sentation graphique bene®t from a FE treatment and which would not. In general, linear problems such as the predic- tion

235

Is the friction angle the maximum slope of a free surface of a non cohesive material?  

E-Print Network [OSTI]

Starting from a symmetric triangular pile with a horizontal basis and rotating the basis in the vertical plane, we have determined the evolution of the stress distribution as a function of the basis inclination using Finite Elements method with an elastic-perfectly plastic constitutive model, defined by its friction angle, without cohesion. It is found that when the yield function is the Drucker-Prager one, stress distribution satisfying equilibrium can be found even when one of the free-surface slopes is larger than the friction angle. This means that piles with a slope larger than the friction angle can be (at least) marginally stable and that slope rotation is not always a destabilising perturbation direction. On the contrary, it is found that the slope cannot overpass the friction angle when a Mohr-Coulomb yield function is used. Theoretical explanation of these facts is given which enlightens the role plaid by the intermediate principal stress in both cases of the Mohr-Coulomb criterion and of the Drucker-Prager one. It is then argued that the Mohr-Coulomb criterion assumes a spontaneous symmetry breaking, as soon as the two smallest principal stresses are different ; this is not physical most likely; so this criterion shall be replaced by a Drucker-Prager criterion in the vicinity of the equality, which leads to the previous anomalous behaviour ; so these numerical computations enlighten the avalanche process: they show that no dynamical angle larger than the static one is needed to understand avalanching. It is in agreement with previous experimental results. Furthermore, these results show that the maximum angle of repose can be modified using cyclic rotations; we propose a procedure that allows to achieve a maximum angle of repose to be equal to the friction angle .

A. Modaressi; P. Evesque

2005-07-13T23:59:59.000Z

236

Site effects modelling applied to the slope affected by the Suusamyr earthquake (Kyrgyzstan, 1992)  

Science Journals Connector (OSTI)

In 1992, a large magnitude earthquake (Ms=7.3) hit the northern part of the Kyrgyz Tien Shan range where it triggered rockslides and many debris slides or flows. One of these mass movements occurred on the ChetKorumdy ridge located in the Suusamyr Basin. It consists of a multi-rotational debris slump in its upper part that turned into a debris flow in its lower part. Involving arenitic material overlying silty clays, it has a volume of about 0.5 to 1.106m3, a maximum thickness of 40m and a run-out of 200m. The field observations and measurements carried out on this slope suggest that local amplification effects could have contributed to the initiation of the seismic failure. To test this hypothesis in the lack of instrumental evidence of local ground-motion recordings, we conducted a sensitivity study of site effects based on a numerical analysis in the visco-elastic domain with a two-dimensional finite difference code. Varying the topography and the geology of the investigated slope, topographic site effects are found to be less important than geological site effects which are controlled by the contrast of impedance between the surface materials and the bedrock. The geometry of the low-velocity surface layer has also an influence on site effects, which is often difficult to be distinguished from pure topographic effects. Considering all modelling results, we conclude that site amplifications alone cannot have triggered the Suusamyr landslide during the 1992 earthquake. The static slope stability analyses done in previous studies revealed that the Suusamyr failure neither can have a purely static origin. Even if the water table is very high within the arenite layer, only a minor failure develops in the lower part of the slope. Therefore, we believe that the triggering of the Suusamyr landslide is a consequence of pore pressure build up in areas characterized by significant ground-motion amplifications.

C. Bourdeau; H.-B. Havenith

2008-01-01T23:59:59.000Z

237

Tafel slopes and corrosion rates obtained in the pre-Tafel region of polarization curves  

Science Journals Connector (OSTI)

A short review of previous attempts to determine Tafel slopes and corrosion rates from data obtained in the pre-Tafel region of polarization curves is followed by a description of the approach taken in the POLFIT program. Several examples are given of the application of this program including the use of factorial design experiments to determine the optimum conditions for formation of a chromate-free conversion coating on hot dipped galvanized steel.

Florian Mansfeld

2005-01-01T23:59:59.000Z

238

A METHOD FOR MEASURING (SLOPES OF) THE MASS PROFILES OF DWARF SPHEROIDAL GALAXIES  

SciTech Connect (OSTI)

We introduce a method for measuring the slopes of mass profiles within dwarf spheroidal (dSph) galaxies directly from stellar spectroscopic data and without adopting a dark matter halo model. Our method combines two recent results: (1) spherically symmetric, equilibrium Jeans models imply that the product of half-light radius and (squared) stellar velocity dispersion provides an estimate of the mass enclosed within the half-light radius of a dSph stellar component, and (2) some dSphs have chemodynamically distinct stellar subcomponents that independently trace the same gravitational potential. We devise a statistical method that uses measurements of stellar positions, velocities, and spectral indices to distinguish two dSph stellar subcomponents and to estimate their individual half-light radii and velocity dispersions. For a dSph with two detected stellar subcomponents, we obtain estimates of masses enclosed at two discrete points in the same mass profile, immediately defining a slope. Applied to published spectroscopic data, our method distinguishes stellar subcomponents in the Fornax and Sculptor dSphs, for which we measure slopes {Gamma} {identical_to} {Delta}log M/{Delta}log r = 2.61{sup +0.43}{sub -0.37} and {Gamma} = 2.95{sup +0.51}{sub -0.39}, respectively. These values are consistent with 'cores' of constant density within the central few hundred parsecs of each galaxy and rule out 'cuspy' Navarro-Frenk-White (NFW) profiles (dlog M/dlog r {<=} 2 at all radii) with a significance {approx}> 96% and {approx}> 99%, respectively. Tests with synthetic data indicate that our method tends systematically to overestimate the mass of the inner stellar subcomponent to a greater degree than that of the outer stellar subcomponent, and therefore to underestimate the slope {Gamma} (implying that the stated NFW exclusion levels are conservative).

Walker, Matthew G. [Harvard-Smithsonian Center for Astrophysics, 60 Garden St., Cambridge, MA 02138 (United States); Penarrubia, Jorge, E-mail: mwalker@cfa.harvard.edu [Institute of Astronomy, University of Cambridge, Madingley Road, Cambridge CB30HA (United Kingdom)

2011-11-20T23:59:59.000Z

239

New Ulm field: an example of Cretaceous shelf-slope instability in east Texas  

SciTech Connect (OSTI)

The New Ulm field in Austin County, Texas, is an example of the structural and stratigraphic complexity above the Cretaceous Edwards shelf margin of east Texas. Deep wells and improved seismic data provide documentation of structural patterns and deepwater facies not previously considered in the Gulf Coast reservoir play modeling. Study of the data implies the Late Cretaceous to Eocene section was deposited along a shelf-slope break. Late Cretaceous, pre-Midway sedimentation was affected by structurally induced slope instability, and consequent gravity faulting and slumping resulted in an irregular sea-floor surface. Paleocene Midway sands were carried onto this surface by storm-generated density currents where the uneven topography caused deposition in constructional channels. Continued deposition of the fluvio-deltaic Wilcox on this surface caused faulting and folding by differential compaction. The folds are minor and the faults small and steep, not like the typical large growth faults of the Gulf Coast. Upper Wilcox sediments were progressively less disturbed as the region stabilized. New Ulm field production includes gas from the Midway Formation and oil and gas from the Wilcox Group. Midway reservoirs are stratigraphic, consisting of fluvio-deltaic sandstones within faulted anticlines. This study adds evidence to data describing shelf-slope geology along the Edwards margin. The setting can be a new type of hydrocarbon play in the Gulf Coast.

Pinero, E.

1984-04-01T23:59:59.000Z

240

Geomorphic interpretation of the bathymetry of the Bay of Campeche seaward of the continental shelf  

E-Print Network [OSTI]

, is it covers a large seotor of the Gulf~ its study is involved in a number of larger& particularly interesting problems that are ourrently attracting the attention of geologists, Paul Weaver (1950) says about the Oulfc "'Ihe two theories ~ one... enough evidcnoe fram hydrographic surveys and. bottom samples so that he can recommend local areas for test of the two theories~ he will speed the evaluat1on and operating program (of petro- leum development) of the continental shelf with maximum...

Creager, Joe S

2012-06-07T23:59:59.000Z

Note: This page contains sample records for the topic "beaufort continental slope" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


241

The Cumulative Ecological Effects of Normal Offshore Petroleum Operations Contrasted With Those Resulting From Continental Shelf Oil Spills [and Discussion  

Science Journals Connector (OSTI)

...Ecological Effects of Normal Offshore Petroleum Operations Contrasted...Resulting From Continental Shelf Oil Spills [and Discussion...from normal (non-spill) offshore petroleum operations have...studies of spills of crude oil and its refined products...

1982-01-01T23:59:59.000Z

242

Climate Change Across Continental Sequence Boundaries: Paleopedology and Lithofacies of Iglesia Basin, Northwestern Argentina  

Science Journals Connector (OSTI)

...the role of eustasy on local base level is not considered...zonal mean meridional wind circulation). Also...modern contributor to the local climate is the orographic...the leeward slope, the Foehn effect. These warm, dry winds, locally called zonda...

Brian G. Ruskin; Teresa E. Jordan

243

Calculating the wave runup on a low-sloping beach using a high-order Boussinesq model  

Science Journals Connector (OSTI)

The runup of long gravity waves on the surface of a low-sloping beach has been studied within the framework of a shallow-water approximation. An analytical solution for the free liquid surface elevation is obtain...

M. A. Shermeneva; I. V. Shugan

2006-01-01T23:59:59.000Z

244

Vegetation patterns of Pine Canyon, Big Bend National Park, Texas, in relation to elevation and slope aspect  

E-Print Network [OSTI]

and richness, and stem density are also analyzed. Communities encountered on the south-facing slope, from low to high elevation, are: Chihuahuan Desert shrubland, sotol grassland, open oak shrubland, mixed shrubland, and oak-pinyon-juniper woodland. Communities...

Harris, Bryan Joseph

1997-01-01T23:59:59.000Z

245

Slump dominated upper slope reservoir facies, Intra Qua Iboe (Pliocene), Edop Field, offshore Nigeria  

SciTech Connect (OSTI)

An integration of sedimentologic and 3D seismic data provides a basis for unraveling complex depositional processes and sand distribution of the Intra Qua Iboe (IQI) reservoir (Pliocene), Edop Field, offshore Nigeria. Nearly 3,000 feet of conventional core was examined in interpreting slump/slide/debris flow, bottom current, turbidity current, pelagic/hemipelagic, wave and tide dominated facies. The IQI was deposited on an upper slope in close proximity to the shelf edge. Through time, as the shelf edge migrated seaward, deposition began with a turbidite channel dominated slope system (IQI 1 and 2) and progressed through a slump/debris flow dominated slope system (IQI 3, the principal reservoir) to a tide and wave dominated, collapsed shelf-edge deltaic system (IQI 4). Using seismic time slices and corresponding depositional facies in the core, a sandy {open_quotes}fairway{open_quotes} has been delineated in the IQI 3. Because of differences in stacking patterns of sandy and muddy slump intervals, seismic facies show: (1) both sheet-like and mounded external forms (geometries), and (2) parallel/continuous as well as chaotic/hummocky internal reflections. In wireline logs, slump facies exhibits blocky, coarsening-up, fining-up, and serrated motifs. In the absence of conventional core, slump facies may be misinterpreted and even miscorrelated because seismic facies and log motifs of slumps and debris flows tend to mimic properties of turbidite fan deposits. The slump dominated reservoir facies is composed of unconsolidated fine-grained sand. Thickness of individual units varies from 1 to 34 feet, but amalgamated intervals reach a thickness of up to 70 feet and apparently form connected sand bodies. Porosity commonly ranges from 20 to 35%. Horizontal permeability commonly ranges from 1,000 to 3,000 md.

Shanmugam, G. [Mobil Research and Development Corp., Dallas, TX (United States); Hermance, W.E.; Olaifa, J.O. [Mobil Producing Nigeria, Lagos (Nigeria)

1995-08-01T23:59:59.000Z

246

Cooling slope casting to produce EN AW 6082 forging stock for manufacture of suspension components  

Science Journals Connector (OSTI)

Abstract The potential of cooling slope casting process to produce EN AW 6082 forging stock for the manufacture of EN AW 6082 suspension components was investigated. EN AW 6082 billets cast over a cooling plate offer a fine uniform structure that can be forged even without a separate homogenization treatment. This is made it possible by the limited superheat of the melt at the start of casting and the fractional solidification that occurs already on the cooling plate. Suspension parts forged from cast and homogenized billets with or without Cr all showed a uniform structure, and the hardness reached HV 110 after the standard artificial ageing treatment.

Yucel BIROL; Seracettin AKDI

2014-01-01T23:59:59.000Z

247

Coal quality and estimated coal resources in the proposed Colville Mining District, central North Slope, Alaska  

SciTech Connect (OSTI)

The proposed Colville Mining District (CMD) encompasses 27,340 mi{sup 2} (70,800 km{sup 2}) in the central part of the North Slope. Known coal deposits within the proposed district range from Mississippian to Tertiary in age. Available information indicates that neither Mississippian and Tertiary coals in the CMD constitute a significant resource because they are excessively deep, thin, or high in ash content; however, considerable amount of low-sulfur Cretaceous coal is present. The paper briefly describes the geology and quality of these coal reserves. Difficult conditions will restrict mining of these coals in the near future.

Stricker, G.D. [Geological Survey, Denver, CO (United States); Clough, J.G. [Alaska Department of Natural Resources, Fairbanks, AK (United States). Division of Geological and Geophysical Surveys

1994-12-31T23:59:59.000Z

248

STUDY OF TRANSPORTATION OF GTL PRODUCTS FROM ALASKAN NORTH SLOPE (ANS) TO MARKETS  

SciTech Connect (OSTI)

The Alaskan North Slope is one of the largest hydrocarbon reserves in the US where Gas-to-Liquids (GTL) technology can be successfully implemented. The proven and recoverable reserves of conventional natural gas in the developed and undeveloped fields in the Alaskan North Slope (ANS) are estimated to be 38 trillion standard cubic feet (TCF) and estimates of additional undiscovered gas reserves in the Arctic field range from 64 TCF to 142 TCF. Transportation of the natural gas from the remote ANS is the key issue in effective utilization of this valuable and abundance resource. The throughput of oil through the Trans Alaska Pipeline System (TAPS) has been on decline and is expected to continue to decline in future. It is projected that by the year 2015, ANS crude oil production will decline to such a level that there will be a critical need for pumping additional liquid from GTL process to provide an adequate volume for economic operation of TAPS. The pumping of GTL products through TAPS will significantly increase its economic life. Transporting GTL products from the North Slope of Alaska down to the Marine terminal at Valdez is no doubt the great challenge facing the Gas to Liquids options of utilizing the abundant natural gas resource of the North Slope. The primary purpose of this study was to evaluate and assess the economic feasibility of transporting GTL products through the TAPS. Material testing program for GTL and GTL/Crude oil blends was designed and implemented for measurement of physical properties of GTL products. The measurement and evaluation of the properties of these materials were necessary so as to access the feasibility of transporting such materials through TAPS under cold arctic conditions. Results of the tests indicated a trend of increasing yield strength with increasing wax content. GTL samples exhibited high gel strengths at temperatures as high as 20 F, which makes it difficult for cold restart following winter shutdowns. Simplified analytical models were developed to study the flow of GTL and GTL/crude oil blends through TAPS in both commingled and batch flow models. The economics of GTL transportations by either commingled or batching mode were evaluated. The choice of mode of transportation of GTL products through TAPS would depend on the expected purity of the product and a trade-off between loss in product value due to contamination and cost of keeping the product pure at the discharge terminal.

Godwin A. Chukwu, Ph.D., P.E.

2002-09-01T23:59:59.000Z

249

NETL: News Release - Newly Installed Alaska North Slope Well Will Test  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

18, 2011 18, 2011 Newly Installed Alaska North Slope Well Will Test Innovative Hydrate Production Technologies Project Goals Include Injecting and Storing CO2 While Producing Methane Gas from Hydrate Washington, D.C. - A fully instrumented well that will test innovative technologies for producing methane gas from hydrate deposits has been safely installed on the North Slope of Alaska. As a result, the "Iġnik Sikumi" (Iñupiaq for "fire in the ice") gas hydrate field trial well will be available for field experiments as early as winter 2011-12. The well, the result of a partnership between ConocoPhillips and the Office of Fossil Energy's (FE) National Energy Technology Laboratory, will test a technology that involves injecting carbon dioxide (CO2) into sandstone reservoirs containing methane hydrate. Laboratory studies indicate that the CO2 molecules will replace the methane molecules within the solid hydrate lattice, resulting in the simultaneous sequestration of CO2 in a solid hydrate structure and production of methane gas.

250

Atmospheric Radiation Measurement (ARM) Data from the North Slope Alaska (NSA) Site  

DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]

The Atmospheric Radiation Measurement (ARM) Program is the largest global change research program supported by the U.S. Department of Energy. The primary goal of the ARM Program is to improve the treatment of cloud and radiation physics in global climate models in order to improve the climate simulation capabilities of these models. To achieve this goal, ARM scientists and researchers around the world use continuous data obtained through the ARM Climate Research Facility. ARM maintains four major, permanent sites for data collection and deploys the ARM Mobile Facility to other sites as determined. The North Slope of Alaska (NSA) site is a permanent site providing data about cloud and radiative processes at high latitudes. These data are being used to refine models and parameterizations as they relate to the Arctic. Centered at Barrow and extending to the south (to the vicinity of Atqasuk), west (to the vicinity of Wainwright), and east (towards Oliktok), the NSA site has become a focal point for atmospheric and ecological research activity on the North Slope. Approximately 300,000 NSA data sets from 1993 to the present reside in the ARM Archive at http://www.archive.arm.gov/. Users will need to register for a password, but all files are then free for viewing or downloading. The ARM Archive physically resides at the Oak Ridge National Laboratory.

251

Uranium-series comminution ages of continental sediments: Case study of a Pleistocene alluvial fan  

SciTech Connect (OSTI)

Obtaining quantitative information about the timescales associated with sediment transport, storage, and deposition in continental settings is important but challenging. The uranium-series comminution age method potentially provides a universal approach for direct dating of Quaternary detrital sediments, and can also provide estimates of the sediment transport and storage timescales. (The word"comminution" means"to reduce to powder," reflecting the start of the comminution age clock as reduction of lithic parent material below a critical grain size threshold of ~;;50 mu m.) To test the comminution age method as a means to date continental sediments, we applied the method to drill-core samples of the glacially-derived Kings River Fan alluvial deposits in central California. Sediments from the 45 m core have independently-estimated depositional ages of up to ~;;800 ka, based on paleomagnetism and correlations to nearby dated sediments. We characterized sequentially-leached core samples (both bulk sediment and grain size separates) for U, Nd, and Sr isotopes, grain size, surface texture, and mineralogy. In accordance with the comminution age model, where 234U is partially lost from small sediment grains due to alpha recoil, we found that (234U/238U) activity ratios generally decrease with age, depth, and specific surface area, with depletions of up to 9percent relative to radioactive equilibrium. The resulting calculated comminution ages are reasonable, although they do not exactly match age estimates from previous studies and also depend on assumptions about 234U loss rates. The results indicate that the method may be a significant addition to the sparse set of available tools for dating detrital continental sediments, following further refinement. Improving the accuracy of the method requires more advanced models or measurements for both the recoil loss factor fa and weathering effects. We discuss several independent methods for obtaining fa on individual samples that may be useful for future studies.

Lee, Victoria E.; DePaolo, Donald J.; Christensen, John N.

2010-04-30T23:59:59.000Z

252

Climate is affected more by maritime than by continental land use change: A multiple scale analysis  

Science Journals Connector (OSTI)

Tropical deforestation appears to have larger impacts on local, regional and global climate when it occurs under maritime conditions rather then under continental conditions. At the local scale, we compare results from a field experiment in Puerto Rico with other long-term studies of the changes in surface fluxes after deforestation. Changes in surface fluxes are larger in maritime situations because a number of feedback mechanisms appears less relevant (e.g. the dependency of soil moisture on recycling of water and the larger reduction of net radiation in the wet season due to clouds in continental regions). Pastures may evaporate at similarly high rates as forests when soil moisture is sufficient, which has a strong reducing effect on the sensible heat flux after deforestation. At the regional scale (?102km2), model simulations show that the meso-scale sea breeze circulation under maritime conditions is more effective in transporting heat and moisture to the upper troposphere than convection is in the continental case. Thus islands function as triggers of convection, whereas the intensity of the sea breeze-trigger is sensitive to land use change. At the global scale, using satellite-derived latent heating rates of the upper troposphere, it is shown that 40% of the latent heating associated with deep convection takes place in the Maritime Continent (Indonesia and surroundings) and may be produced mostly by small islands. Continents contribute only 20% of the latent heating of the upper troposphere. Thus, sea breeze circulations exert significant influence on the Hadley cell circulation. These results imply that, from a climate perspective, further deforestation studies would do well to focus more on maritime conditions.

M.K. van der Molen; A.J. Dolman; M.J. Waterloo; L.A. Bruijnzeel

2006-01-01T23:59:59.000Z

253

Cenozoic deformation in the George V Land continental margin (East Antarctica)  

Science Journals Connector (OSTI)

This investigation is based on the analysis of multichannel seismic data collected in the continental shelf of the George V Land, between 140E and 155E on the East Antarctic margin. Most of the East Antarctic continental shelf is covered by permanent, thick sea and terrestrial ice and it is therefore still unexplored. This is the reason why the tectonic deformation affecting the Antarctic margin during the Mesozoic rift from the Australian plate and the Cenozoic post-rift phase is poorly known. The few coastal polynyas (such as the Mertz polynya, in the George V Land continental shelf) are the only places where the oldest sedimentary section can be studied with the existing technology. The data presented were not collected to address tectonic questions, however the relevance of this study is to document for the first time the occurrence of rift and post-rift tectonic structures in the sedimentary section near the coast, where the oldest sediment section is shallowest. These considerations are particularly relevant as Mertz-Ninnis trough, also known as George V Basin is located near the area of transition (around the Spencer Fracture Zone) between the extensionally-dominated Wilkes LandGreat Australian Bight Basin conjugate segment of the AustralianAntarctic Rift and the transtensional, strike-slip kinematics of the Otway BasinSouth Tasman RiseOates Land segment. The tectonic structure in the George V Land sector presented in this study is two-fold with two rift phases: one being connected to the breakup process and the later one associated to a change in plate rotation. A former extensional phase opened structural grabens, with axis oriented WNWESE and possibly NESW. A latter transpressional phase reactivated previous structures and tilted, faulted and folded sedimentary strata, located in the inner continental shelf. The first tectonic phase is likely related with the Cretaceous rifting between the Antarctic and Australian plates. The second tectonic phase might be related to the onset of the fast spreading phase of PacificIndian Ocean, that caused uplift, inversion and folding of post-rift strata in a narrow eastwest oriented region, near coastal basement outcrop, in PaleoceneEocene times.

Laura De Santis; Giuliano Brancolini; Federica Donda; Phil O'Brien

2010-01-01T23:59:59.000Z

254

Categorical Exclusion Determinations: Texas | Department of Energy  

Broader source: Energy.gov (indexed) [DOE]

October 2, 2012 October 2, 2012 CX-009237: Categorical Exclusion Determination The Dow Chemical Company CX(s) Applied: B5.7 Date: 10/02/2012 Location(s): Texas Offices(s): Fossil Energy September 27, 2012 CX-009327: Categorical Exclusion Determination Gas Hydrate Dynamics on the Alaskan Beaufort Continental Slope: Modeling and Field Characterization CX(s) Applied: A9 Date: 09/27/2012 Location(s): Texas Offices(s): National Energy Technology Laboratory September 20, 2012 CX-009218: Categorical Exclusion Determination Replace Sparge Piping at Bryan Mound Raw Water Intake Structure CX(s) Applied: B1.3 Date: 09/20/2012 Location(s): Texas Offices(s): Strategic Petroleum Reserve Field Office September 19, 2012 CX-009359: Categorical Exclusion Determination Houston Zero Emission Delivery Vehicle Deployment

255

Page not found | Department of Energy  

Broader source: Energy.gov (indexed) [DOE]

501 - 21510 of 31,917 results. 501 - 21510 of 31,917 results. Download CX-009324: Categorical Exclusion Determination Energy Efficient Buildings Hub (Energy Regional Innovation Cluster) CX(s) Applied: A1, A9 Date: 10/02/2012 Location(s): Pennsylvania Offices(s): National Energy Technology Laboratory http://energy.gov/nepa/downloads/cx-009324-categorical-exclusion-determination Download CX-009326: Categorical Exclusion Determination Midwest Regional Carbon Sequestration Partnership - Subtask 1.7 CX(s) Applied: B3.1 Date: 09/28/2012 Location(s): Michigan Offices(s): National Energy Technology Laboratory http://energy.gov/nepa/downloads/cx-009326-categorical-exclusion-determination Download CX-009327: Categorical Exclusion Determination Gas Hydrate Dynamics on the Alaskan Beaufort Continental Slope: Modeling

256

Categorical Exclusion (CX) Determinations By Date | Department of Energy  

Broader source: Energy.gov (indexed) [DOE]

7, 2012 7, 2012 CX-009327: Categorical Exclusion Determination Gas Hydrate Dynamics on the Alaskan Beaufort Continental Slope: Modeling and Field Characterization CX(s) Applied: A9 Date: 09/27/2012 Location(s): Texas Offices(s): National Energy Technology Laboratory September 26, 2012 CX-009434: Categorical Exclusion Determination Deployable Commercial Rooftop Solar Electric System CX(s) Applied: B5.15 Date: 09/26/2012 Location(s): New York Offices(s): Golden Field Office September 26, 2012 CX-009169: Categorical Exclusion Determination Virgin Islands State Energy Program CX(s) Applied: A9, A11 Date: 09/26/2012 Location(s): Virgin Islands Offices(s): Golden Field Office September 26, 2012 CX-009331: Categorical Exclusion Determination High Resolution 3D Laser Imaging for Inspection, Maintenance, Repair and

257

Porosity enhancement from chert dissolution beneath Neocomian unconformity: Ivishak Formation, North Slope, Alaska  

SciTech Connect (OSTI)

Secondary porosity caused by chert dissolution is common in the hydrocarbon-producing fluvial facies of the Ivishak Formation (Triassic), North Slope, Alaska. Petrographic observations suggest that macroporosity caused by chert dissolution tends to increase toward the Neocomian unconformity. In the Prudhoe Bay field, a lateral increase in core porosity (from 15% at about 30 km from the unconformity to 30% near the unconformity) and in permeability (from 50 md at about 30 km from the unconformity to 800 md near the unconformity) is evident toward the unconformity. This increase occurs within the fluvial facies (zone 4) of nearly uniform grain size and framework composition (chert litharenite). Major chert dissolution probably took place during the Neocomian uplift when the Ivishak Formation was exposed to acidic meteoric waters in the near-surface environment. 16 figures, 3 tables.

Shanmugam, G.; Higgins, J.B.

1988-05-01T23:59:59.000Z

258

Carbon credits earned from a double slope active solar still under forced circulation mode  

Science Journals Connector (OSTI)

Human life on land is vitally dependent on fresh water along with food and air. Many areas in the world do not have access to fresh water. Growing demands of freshwater resources are creating an urgent need to develop self sustained system to meet the demand. At present, many distillation methods are available like reverse osmosis, thin film distillation multi-effect fresh evaporation but they are energy intensive or contribute to environmental degradation. Distillation is one technique used for treating available brackish water into fresh water. However, solar energy can be used as an alternative source of energy for water distillation. In this paper, carbon dioxide emission, mitigation and carbon credit earned from a double slope active solar still under forced circulation mode has been carried out. It has been observed that carbon dioxide emission and carbon credit earned over the life time of 15 years are 2.55 tons and ?220 respectively.

A.K. Sethi; Vijay Kumar Dwivedi

2014-01-01T23:59:59.000Z

259

Physical and Chemical Implications of Mid-Winter Pumping of Trunda Lakes - North Slope, Alaska  

SciTech Connect (OSTI)

Tundra lakes on the North Slope, Alaska, are an important resource for energy development and petroleum field operations. A majority of exploration activities, pipeline maintenance, and restoration activities take place on winter ice roads that depend on water availability at key times of the winter operating season. These same lakes provide important fisheries and ecosystem functions. In particular, overwintering habitat for fish is one important management concern. This study focused on the evaluation of winter water use in the current field operating areas to provide a better understanding of the current water use practices. It found that under the current water use practices, there were no measurable negative effects of winter pumping on the lakes studied and current water use management practices were appropriately conservative. The study did find many areas where improvements in the understanding of tundra lake hydrology and water usage would benefit industry, management agencies, and the protection of fisheries and ecosystems.

Hinzman, Larry D. (University of Alaska Fairbanks, Water and Environmental Research Center); Lilly, Michael R. (Geo-Watersheds Scientific); Kane, Douglas L. (University of Alaska Fairbanks, Water and Environmental Research Center); Miller, D. Dan (University of Alaska Fairbanks, Water and Environmental Research Center); Galloway, Braden K. (University of Alaska Fairbanks, Water and Environmental Research Center); Hilton, Kristie M. (Geo-Watersheds Scientific); White, Daniel M. (University of Alaska Fairbanks, Water and Environmental Research Center)

2005-09-30T23:59:59.000Z

260

Determination of Tafel slopes from coulostatically induced transients using an integral algorithm  

Science Journals Connector (OSTI)

The analysis of coulostatically induced transients (CITs) has been used as a tool to evaluate the corrosion rate of metallic materials, and a new algorithm has been developed to calculate the Tafel slopes (ba and bc). This new algorithm is based on the coulostatic strong polarization integration (CSPI) method. Experimental results for carbon steels exposed to 0.5M H2SO and 1M \\{HCl\\} show excellent agreement between the proposed method and the Tafel line extrapolation method with IR drop correction. Furthermore, the calculated average corrosion currents over 8h tests are in good agreement with solution analysis data from atomic absorption spectroscopy. The improved CSPI algorithm shows superior performance over the differential algorithm and the conventional algorithm due to its simplicity and higher signal/noise ratio.

Yong-Tao Zhao; Xing-Peng Guo; Hai-Hong Li; Ze-Hua Dong

2006-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "beaufort continental slope" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


261

Cetacean high-use habitats of the northeast United States continental shelf  

SciTech Connect (OSTI)

Results of the Cetacean and Turtle Assessment Program previously demonstrated at a qualitative level that specific areas of the continental shelf waters off the northeastern US coast consistently showed high-density utilization by several cetacean species. They have quantified, on a multispecies basis and with adjustment for level of survey effort, the intensity of habitat use by whales and dolphins, and defined areas of especially high-intensity utilization. The results demonstrate that the area off the northeast US, which is used most intensively as cetacean habitat, is the western margin of the Gulf of Maine, from the Great South Channel to Stellwagen Bank and Jeffreys Ledge. Secondary high-use areas include the continental shelf edge and the region around the eastern end of Georges Bank. High-use areas for piseivorous cetaceans are concentrated mainly in the western Gulf of Maine and secondarily at mid-shelf east of the Chesapeake region, for planktivores in the western Gulf of Maine and the southwestern and eastern portions of Georges Bank, and for teuthivores in the western Gulf of Maine and the southwestern and eastern portions of Georges Bank, and for teuthivores along the edge of the shelf. In general, habitat use by cetaceans is highest in spring and summer, and lowest in fall and winter.

Kenney, R.D.; Winn, H.E.

1986-04-01T23:59:59.000Z

262

Regional geologic framework of Neogene-Quaternary deposits, Louisiana continental shelf  

SciTech Connect (OSTI)

The Louisiana Continental Shelf of the northern Gulf Coast Basin is one of the most prolific hydrocarbon provinces in the Nation. Its structural and stratigraphic characteristics were studied by means of a regional network of dip and strike cross sections based on subsurface data from wells penetrating to depths as great as 19,000 ft (5791 m) below mean sea level. The cross sections illustrate a gulfward-thickening wedge of terrigenous clastic Cenozoic deposits that have a complex structural fabric; structures are largely attributed to extensive depositional loading, which result in gravity failure and widespread diapirism. Major structural elements include systems of coast-parallel, syndepositional faults characterized by down-to-basin displacement, sectional thickening on the downthrown side, and increasing stratigraphic throw with depth. Abundant piercement salt domes, as well as numerous post-depositional fold sand gravity fault systems, are also present. The cross-sectional network illustrates the spatial distribution of about 30 chronostratigraphic units ranging in age from early Miocene to late Pleistocene. Regional variations in stratigraphic thickness reflect both coast-parallel and gulfward migrations of the basinal depocenter. Induction-electrical logs indicate the presence of three magnafacies that are defined on the basis of sand-shale proportions. Downdip facies changes to progressively more argillaceous units indicate a gulfward transition from continental to deep-water marine paleoenvironments.

Shideler, G.L.

1985-01-01T23:59:59.000Z

263

Deepening of the ocean mixed layer at the northern Patagonian continental shelf: a numerical study  

E-Print Network [OSTI]

A possible deepening of the ocean mixed layer was investigated at a selected point of the Patagonian continental shelf where a significant positive wind speed trend was estimated. Using a 1-dimensional vertical numerical model (S2P3) forced by atmospheric data from NCEP/NCAR I reanalysis and tidal constituents from TPXO 7.2 global model on a long term simulation (1979-2011), it was found that the mixed layer thickness presents a significant and positive trend of 10.1 +/- 1.4 cm/yr. Several numerical experiments were carried out in order to evaluate the impact of the different atmospheric variables (surface zonal and latitudinal wind components, air temperature, atmospheric pressure, specific humidity and cloud coverage) considered in this study. As a result it was found that an increase in the wind speed can be considered as the main responsible of the ocean mixed layer deepening at the selected location of the Patagonian continental shelf. A possible increasing in the mixed layer thickness could be directly ...

Zanella, Juan; Pescio, Andres; Dragani, Walter

2014-01-01T23:59:59.000Z

264

Slope failure on the Jordan River Delta in the Dead Sea  

SciTech Connect (OSTI)

The Dead Sea is a longitudinal (80 km {times} 20 km) terminal lake that was formed by the active Syrian-African transform fault. Considerably saline inflow from the Jordan River and a very high evaporation rate have led to the excessive salinity (360 g/L) and water density (1.226-1.232 g/cc) of the lake. The rate of evaporite precipitation is 630-2,000 mg/cm{sup 2}/yr. Clastic sediments from the Jordan River have formed a very moderately sloping (about 2{degree}) delta that covers the northern lake to a distance of 8 km offshore and to a depth of 300 m. Many irregularly shaped mounds of sediment that are acoustically transparent and that contain numerous discontinuous reflectors cover the delta slope. They extend over several hundred square meters each and rise 2-5 m above their surroundings. These sediments indicate active downslope slumping processes. The small-scale sedimentary pattern and the engineering properties of the sediments were examined by testing 6 core samples collected at various depths along the Jordan delta. Lengths range from 0.90 to 3.20 m. Depth of coring was restricted by an extremely hard, impenetrable layer of halite, and the topmost 10-25 cm consists of unconsolidated, recently deposited grainy halite. Euhedral crystals of halite are disseminated throughout the entire length of the core samples, especially in the deep-water cores. The high salinity of the pore water and the presence of large amounts of disseminated halite within the cores required modifications of the standard soil mechanics laboratory testing procedures. The sediments are predominantly dark brown, layered kaolinitic silty clays. They contain numerous conspicuous black organic-matter and sulfide-bearing layers and white aragonite and gypsum layers. Occasionally, slump structures are encountered.

Almagor, G. (Geological Survey of Israel, Jerusalem (Israel))

1990-06-01T23:59:59.000Z

265

Alaska North Slope National Energy Strategy initiative: Analysis of five undeveloped fields  

SciTech Connect (OSTI)

The US Department of Energy was directed in the National Energy Strategy to establish a federal interagency task force to identify specific technical and regulatory barriers to the development of five undeveloped North Slope Alaska fields and make recommendations for their resolution. The five fields are West Sak, Point Thomson, Gwydyr Bay, Seal Island/Northstar, and Sandpiper Island. Analysis of environmental, regulatory, technical, and economic information, and data relating to the development potential of the five fields leads to the following conclusions: Development of the five fields would result in an estimated total of 1,055 million barrels of oil and 4.4 trillion cubic feet of natural gas and total investment of $9.4 billion in 1992 dollars. It appears that all five of the fields will remain economically marginal developments unless there is significant improvement in world oil prices. Costs of regulatory compliance and mitigation, and costs to reduce or maintain environmental impacts at acceptable levels influence project investments and operating costs and must be considered in the development decision making process. The development of three of the fields (West Sak, Point Thomson, and Gwydyr Bay) that are marginally feasible would have an impact on North Slope production over the period from about 2000 to 2014 but cannot replace the decline in Prudhoe Bay Unit production or maintain the operation of the Trans-Alaska Pipeline System (TAPS) beyond about 2014 with the assumption that the TAPS will shut down when production declines to the range of 400 to 200 thousand barrels of oil/day. Recoverable reserves left in the ground in the currently producing fields and soon to be developed fields, Niakuk and Point McIntyre, would range from 1 billion to 500 million barrels of oil corresponding to the time period of 2008 to 2014 based on the TAPS shutdown assumption.

Thomas, C.P.; Allaire, R.B.; Doughty, T.C.; Faulder, D.D.; Irving, J.S.; Jamison, H.C.; White, G.J.

1993-05-01T23:59:59.000Z

266

An analysis of cattle-farming in the coffee producing area of the Pacific Slope in Guatemala  

E-Print Network [OSTI]

AN ANALYSIS OF CATTLE-FARMING IN THE COFFEE PRODUCING AREA OF THE PACIFIC SLOPE IN GUATEMALA A Thesis By OSCAR HUMBERTO CORDON Submitted to the Graduate College of the Texas ASM University in partial fulfillment of the requirements... for the degree of MASTER OF SCIENCE January 1967 Ma]or Sub]ect: Animal Science AN ANALYSIS OF CATTLE-FARMING IN THE COFFEE PRODUCING AREA OF THE PACIFIC SLOPE IN GUATEMALA A Thesis By OSCAR HUMBERTO CORDON Approved as to style and content by: airman...

Cordon, Oscar Humberto

1967-01-01T23:59:59.000Z

267

Pt/Carbon Catalyst Layer Microstructural Effects on Measured and Predicted Tafel Slopes for the Oxygen Reduction Reaction  

Science Journals Connector (OSTI)

A plot of log(i) vs ? (Tafel plot) allows io to be determined from the intercept, while the Tafel slope (d?/dlog(i), eq 3) gives the ? value. ... The situation when concentration overpotentials (diffusion) within pores are present was studied in depth by Perry et al.,(16) showing that two distinct Tafel regions can then be obtained. ... Koutecky?Levich plots(21) (log(I IL)/(IL ? I) vs E, where IL is the limiting current) were used to correct for mass transport limitations and more accurately obtain the Tafel slope. ...

Dustin W. Banham; Jeff N. Soderberg; Viola I. Birss

2009-05-14T23:59:59.000Z

268

Estimating Relative Abundance of White-tailed and Red Brocket Deer on the Western Slope of the Panama Canal Based on Photo Analysis.  

E-Print Network [OSTI]

??In 2004, the government of Panama created Ecoparque Panama with the aim of conserving unique habitat and curbing urbanization on the western slope of the (more)

Ashmore, Joshua Ross

2009-01-01T23:59:59.000Z

269

Sub-inertial dynamics of density-driven flows in a continuously stratified fluid on a sloping bottom. I. Model derivation and stability characteristics  

Science Journals Connector (OSTI)

...stability characteristics Francis J. Poulin Gordon E. Swaters Applied Mathematics...stability characteristics By Francis J. Poulin and Gordon E. Swaters Applied Mathematics...The Royal Society TEX Paper 2282 F. J. Poulin and G. E. Swaters such as continental...

1999-01-01T23:59:59.000Z

270

Determinants of alternative fuel vehicle choice in the continental United States.  

SciTech Connect (OSTI)

This paper describes the ongoing investigation into the determinants of alternative fuel vehicle choice. A stated preference vehicle choice survey was conducted for the 47 of the continental U.S. states, excluding California. The national survey is based on and is an extension of previous studies on alternative fuel vehicle choice for the State of California conducted by the University of California's Institute of Transportation Studies (UC ITS). Researchers at UC ITS have used the stated-preference national survey to produce a series of estimates for new vehicle choice models. Three of these models are presented in this paper. The first two of the models were estimated using only the data from the national survey. The third model presented in this paper pools information from the national and California surveys to estimate a true national model for new vehicle choice.

Tompkins, M.

1997-12-18T23:59:59.000Z

271

Transverse slope of bed and turbid-clear water interface of channelized turbidity currents flowing around bends  

E-Print Network [OSTI]

1 Transverse slope of bed and turbid-clear water interface of channelized turbidity currents is assumed to be Froude-subcritical, and in the case of a turbidity current a relatively sharp interface between turbid water and clear water above is assumed. The analysis focuses on the processes that maintain

Parker, Gary

272

Downslope Flows on a Low-Angle Slope and Their Interactions with Valley Inversions. Part I: Observations  

Science Journals Connector (OSTI)

Thermally driven downslope flows were investigated on a low-angle (1.6) slope on the west side of the floor of Utahs Salt Lake Valley below the Oquirrh Mountains using data from a line of four tethered balloons running down the topographic ...

C. David Whiteman; Shiyuan Zhong

2008-07-01T23:59:59.000Z

273

A new laser-based system for obstacle detection including step, hole and slope for Personal Mobility Vehicles  

E-Print Network [OSTI]

A new laser-based system for obstacle detection including step, hole and slope for Personal, and with standard chair wheels difficult. In this paper, we present a step and curb detection system based on laser sensors. This system is dedicated to vehicles able to cross over steps, for transportation systems

Paris-Sud XI, Université de

274

Assessment of structurally-controlled slope failure mechanisms and remedial design considerations at a feldspar open pit mine, Western Turkey  

Science Journals Connector (OSTI)

Abstract A variety of structural discontinuities crossing the slopes of Alipasa feldspar open pit mine, in western Turkey, caused different types of slope failures which led to interruptions in ore production. Thereupon, extensive geotechnical investigations, including geological characterization, in-situ and laboratory geotechnical testing, long-term movement monitoring, back-analyses and possible remedial measures, were conducted. Field observations and subsequent analyses suggested that the failures were limited to benches and the movement developed down-slope along discontinuities due to the following reasons: (i) unfavorable orientations of the foliation planes and joints, (ii) low shear strength along discontinuities and (iii) exceptionally heavy rains filling the tension cracks prior to failure. Comparisons between movement vectors and orientation of discontinuities showed a good agreement that indicates two types of instability, namely, planar and wedge failures. A back analysis procedure for the assessment of failures along the rough discontinuities, with non-linear failure envelopes, was successfully applied to the unstable slopes in the pit. The results of the 2-D limit equilibrium back-analyses and movement monitoring data suggested that the wedges and/or planar blocks formed at the uppermost benches tended to move down to fill the gap which resulted from the previous movement of the blocks in the benches. Remedial measures such as dewatering and reduction of height of the benches were suggested. Results of stability analyses conducted for possible remedial measures were presented and discussed.

Hakan Tanyas; Resat Ulusay

2013-01-01T23:59:59.000Z

275

DESIGN OF A FAILED LANDFILL SLOPE By: Timothy D. Stark, W. Douglas Evans-, and Paul E. Sherry'  

E-Print Network [OSTI]

DESIGN OF A FAILED LANDFILL SLOPE 1 ~) ~ ~ By: Timothy D. Stark, W. Douglas Evans-, and Paul E solid waste landfill in which lateral displacements of up to 900 ft (275 m) and vertical settlements municipal solid waste landfill occupies 135 acres (546 km 2 ) approximately 9 miles (15.3 km) n

276

Project EARTH-13-AH1: Isotopic studies of continental weathering -the transport of germanium in soils and plants  

E-Print Network [OSTI]

Project EARTH-13-AH1: Isotopic studies of continental weathering - the transport of germanium silicate weathering is important if we are to understand the carbon cycle 1,2 . The similarity of Ge and Si for weathering intensity3,7-9 . However, factors driving Ge behaviour in soil remain largely unknown although

Henderson, Gideon

277

Changes in the Convection Pattern in the Earth's Mantle and Continental Drift: Evidence for a Cold Origin of the Earth  

Science Journals Connector (OSTI)

...Runcorn Continental displacements of thousands of kilometres point to flow patterns in the mantle of similar dimensions. As creep...Pacific Ocean Rise, the Mid-Atlantic Ridge and the Mid-Indian Ocean Rise. Descending currents coincide with the Andes, the...

1965-01-01T23:59:59.000Z

278

PII S0016-7037(99)00066-6 Fluxes of dissolved organic carbon from California continental margin sediments  

E-Print Network [OSTI]

sediments DAVID J. BURDIGE,1, * WILLIAM M. BERELSON,2 KENNETH H. COALE,3 JAMES MCMANUS,4 and KENNETH S) from marine sediments represent a poorly constrained component of the oceanic carbon cycle that may measurements of DOC fluxes from continental margin sediments (water depths ranging from 95 to 3,700 m

Burdige, David

279

Structure and Statistical Analysis of the Microphysical Properties of Generating Cells in the Comma Head Region of Continental Winter Cyclones  

Science Journals Connector (OSTI)

This paper presents analyses of the microphysical structure of cloud-top convective generating cells at temperatures between ?10 and ?55C across the comma head of 11 continental cyclones, using data collected by the W-band Wyoming Cloud Radar ...

David M. Plummer; Greg M. McFarquhar; Robert M. Rauber; Brian F. Jewett; David C. Leon

2014-11-01T23:59:59.000Z

280

From continental extension to seafloor spreading: crustal structure of the Goban Spur rifted margin, southwest of the UK  

Science Journals Connector (OSTI)

......central Great Australian Bight (Sayers 2001), oceanic...north by the Porcupine Basin and to the south by the...beneath the Porcupine Basin, southwest of Ireland...central Great Australian Bight, in Non-volcanic Rifting...the Porcupine Seabight Basin and adjacent continental......

Andrew D. Bullock; Timothy A. Minshull

2005-11-01T23:59:59.000Z

Note: This page contains sample records for the topic "beaufort continental slope" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


281

The crustal structure of the north-eastern Gulf of Aden continental margin: insights from wide-angle seismic data  

Science Journals Connector (OSTI)

......continental margin and mantle thermal anomalies beneath the North...W. , et al, 2001. Mantle thermal structure and active upwelling...the southern Red Sea hills, Sudan: J. Geol. Soc. Lond...et al, 2008. Persistent thermal activity at the Eastern Gulf......

L. Watremez; S. Leroy; S. Rouzo; E. d'Acremont; P. Unternehr; C. Ebinger; F. Lucazeau; A. Al-Lazki

2011-02-01T23:59:59.000Z

282

Pressure-dependent seismic reflection amplitude changes in crystalline crust: lessons learned at the Continental Deep Drilling Site (KTB)  

Science Journals Connector (OSTI)

......5009-m-deep geothermal borehole at Basle, Switzerland...Continental Deep Drilling site (KTB) and...the subject of a large number of experiments...ratio does not seem large enough to detect...period. Even the larger reflection coefficients...be verified in the borehole as planned, the......

T. Beilecke; K. Bram; S. Buske

2010-01-01T23:59:59.000Z

283

Microbial Diversity in Ultra-High-Pressure Rocks and Fluids from the Chinese Continental Scientific Drilling Project in China  

Science Journals Connector (OSTI)

...Employing the most recent drilling technologies, the CCSD...International Continental Drilling Program and the Chinese...a 5,000-m-deep borehole in the eastern part...geology. The CCSD Project drilling site is located in Donghai...potential storage spaces for large pockets of fluids and...

Gengxin Zhang; Hailiang Dong; Zhiqin Xu; Donggao Zhao; Chuanlun Zhang

2005-06-01T23:59:59.000Z

284

NUMBER1,2005 Published by the Integrated Ocean Drilling Program with the International Continental Scientific Drilling Program  

E-Print Network [OSTI]

large volumes of borehole fluids, and initiate a cross-hole hydrogeologic experiment usingNUMBER1,2005 Published by the Integrated Ocean Drilling Program with the International Continental Scientific Drilling Program No.13,April2012 ScientificDrilling ISSN: 1816-8957 Exp. 327: Juan de Fuca Ridge

Fisher, Andrew

285

Horizontal coherence of low-frequency fixed-path sound in a continental shelf region with internal-wave activity  

E-Print Network [OSTI]

Horizontal coherence of low-frequency fixed-path sound in a continental shelf region with internal gain, horizontally lagged spatial correlation function, and coherent beam power. These quantities vary variations of three coher- ence measures, horizontal correlation length, array gain, and ratio of actual

286

Sequential extraction of iron in marine sediments from the Chilean continental Laurent Dezileau, Carmen Pizarro, Maria Angelica Rubio  

E-Print Network [OSTI]

.margeo.2007.03.006 Reference: MARGO 4032 To appear in: Marine Geology Received date: 22 September 2006 Revised the Chilean continental margin, Marine Geology (2007), doi: 10.1016/j.margeo.2007.03.006 This is a PDF file in the southeastern Pacific.22 #12;ACCEPTED MANUSCRIPT ACCEPTED MANUSCRIPT 2 Keywords: Iron, uranium, Chile

Demouchy, Sylvie

287

Radiological effluents released from US continental tests, 1961 through 1992. Revision 1  

SciTech Connect (OSTI)

This report documents all continental tests from September 15, 1961, through September 23, 1992, from which radioactive effluents were released. The report includes both updated information previously published in the publicly available May, 1990 report, DOE/NV-317, ``Radiological Effluents Released from Announced US Continental Tests 1961 through 1988``, and effluent release information on formerly unannounced tests. General information provided for each test includes the date, time, location, type of test, sponsoring laboratory and/or agency or other sponsor, depth of burial, purpose, yield or yield range, extent of release (onsite only or offsite), and category of release (detonation-time versus post-test operations). Where a test with simultaneous detonations is listed, location, depth of burial and yield information are given for each detonation if applicable, as well as the specific source of the release. A summary of each release incident by type of release is included. For a detonation-time release, the effluent curies are expressed at R+12 hours. For a controlled releases from tunnel-tests, the effluent curies are expressed at both time of release and at R+12 hours. All other types are listed at the time of the release. In addition, a qualitative statement of the isotopes in the effluent is included for detonation-time and controlled releases and a quantitative listing is included for all other types. Offsite release information includes the cloud direction, the maximum activity detected in the air offsite, the maximum gamma exposure rate detected offsite, the maximum iodine level detected offsite, and the maximum distance radiation was detected offsite. A release summary incudes whatever other pertinent information is available for each release incident. This document includes effluent release information for 433 tests, some of which have simultaneous detonations. However, only 52 of these are designated as having offsite releases.

Schoengold, C.R.; DeMarre, M.E.; Kirkwood, E.M.

1996-08-01T23:59:59.000Z

288

Evolving Adjustments to External (Gamma) Slope Factors for CERCLA Risk and Dose Assessments - 12290  

SciTech Connect (OSTI)

To model the external exposure pathway in risk and dose assessments of radioactive contamination at Superfund sites, the U.S. Environmental Protection Agency (EPA) uses slope factors (SFs), also known as risk coefficients, and dose conversion factors (DCFs). Without any adjustment these external radiation exposure pathways effectively assumes that an individual is exposed to a source geometry that is effectively an infinite slab. The concept of an 'infinite slab' means that the thickness of the contaminated zone and its aerial extent are so large that it behaves as if it were infinite in its physical dimensions. EPA has been making increasingly complex adjustments to account for the extent of the contamination and its corresponding radiation field to provide more accurate risk and dose assessment modeling when using its calculators. In most instances, the more accurate modeling results derived from these gamma adjustments are less conservative. The notable exception are for some radionuclides in rooms with contaminated walls, ceiling, and floors, and the receptor is in location of the room with the highest amount of radiation exposure, usually the corner of small rooms and the center of large conference rooms. (authors)

Walker, Stuart [U.S. Environmental Protection Agency (United States)

2012-07-01T23:59:59.000Z

289

Economic monitoring of a contour surface mine in steep slope Appalachian topography  

SciTech Connect (OSTI)

Accurate estimates of the costs of various surface mining unit operations in steep Appalachian topography are seldom encountered, but are essential to assessment of the feasibility of improving mined land reclamation via Controlled Overburden Placement (COP) procedures. The purposes and methods of monitoring economic costs and overburden movement at a steeply sloping Appalachian contour surface mine in Wise County, Virginia, are discussed. The monitoring program consists of three phases: daily records of machinery operation, monthly site visits to record mining progress, and studies of unit operations at the Amos Ridge site and at other sites in the area. The monitoring program is designed to allow precise estimates to be made of the machine hours required to move and place defined amounts of overburden under specified conditions. Limitations to the accuracy of such estimates are detailed. Accurate economic information on various mining procedures will facilitate the evaluation of tradeoffs between costs and environmental effects, as is necessary to make effective public policy decisions which affect mine reclamation practice.

Zipper, C.E.; Daniels, W.L.

1984-12-01T23:59:59.000Z

290

Geology, reservoir engineering and methane hydrate potential of the Walakpa Gas Field, North Slope, Alaska  

SciTech Connect (OSTI)

The Walakpa Gas Field, located near the city of Barrow on Alaska's North Slope, has been proven to be methane-bearing at depths of 2000--2550 feet below sea level. The producing formation is a laterally continuous, south-dipping, Lower Cretaceous shelf sandstone. The updip extent of the reservoir has not been determined by drilling, but probably extends to at least 1900 feet below sea level. Reservoir temperatures in the updip portion of the reservoir may be low enough to allow the presence of in situ methane hydrates. Reservoir net pay however, decreases to the north. Depths to the base of permafrost in the area average 940 feet. Drilling techniques and production configuration in the Walakpa field were designed to minimize formation damage to the reservoir sandstone and to eliminate methane hydrates formed during production. Drilling development of the Walakpa field was a sequential updip and lateral stepout from a previously drilled, structurally lower confirmation well. Reservoir temperature, pressure, and gas chemistry data from the development wells confirm that they have been drilled in the free-methane portion of the reservoir. Future studies in the Walakpa field are planned to determine whether or not a component of the methane production is due to the dissociation of updip in situ hydrates.

Glenn, R.K.; Allen, W.W.

1992-12-01T23:59:59.000Z

291

Temperature dependence of the Tafel slope and electrochemical barrier symmetry factor,. beta. , in electrode kinetics  

SciTech Connect (OSTI)

The significance of the new-established situation that the Tafel slopes, b, ( = d{eta}/d In i) for simple charge-transfer processes at electrodes are usually not represented with respect to variation with temperature, T, by the conventional relation b = RT/{beta} cpF, where {beta} is a constant-valued electrochemical charge-transfer barrier-symmetry coefficient, is examined in the light of recent comments on the problem. Clear evidence is given that b has the form b = RT({beta}sub H + T{beta}{sub s})F for proton transfer at Hg in water and various other solvents, where {beta}{sub H} and T{beta}{sub s} are enthalpic components of the overall {beta}, corresponding to experimentally observable potential-dependence of both the enthalpy and the entropy of activation, respectively. The frequent deviation from conventional behavior thus arises because the entropy of activation, as well as the energy of activation, can be potential-dependent, a situation that, until recently, has been neglected in inter-pretations of electrode-kinetic experiments. The origin of the conventional effect of potential on electrode reaction rates, through the change of electrode work function,{Phi}, with overpotential or electrode potential, V, ({Phi}{sub v} = {Phi}{sub v = O}{plus minus} eV), is examined critically in relation to the potential-dependent surface-potential component, {chi}{sub d}, in {Phi}, which can also be T-dependent.

Conway, B.E. (Dept. of Chemistry, Univ. of Ottawa, Ontario (CA)); Tessier, D.F. (Alcan International, Research Labs. Kingston, Ontario (CA)); Wilkinson, D.P. (Moli Energy Limited, Burnaby, Vancouver, British Columbia (CA))

1989-09-01T23:59:59.000Z

292

Tectonostratigraphic reconstruction and lithofacies distribution of tertiary slope sedimentary rocks in the Western Mississippi Canyon area  

SciTech Connect (OSTI)

The distribution of upper Tertiary, sandstone-prone, deep-water sedimentary rocks from the vicinity of Cognac field, Mississippi Canyon (MC) 194, south of Mars field (MC763) is presented based on an integrated sequence stratigraphic analysis of seismic, well log, and biostratigraphic data. Paleo-salt distributions were reconstructed by plotting the changing positions of depocenters on five isopach maps generated from six key sequence boundaries. Depositional trends, projected under allochthonous salt sheets, indicated subsalt prospectivity. Sixteen sequences were interpreted and subdivided into three lowstand depositional units (basin-floor fan, slope fan, and prograding wedge). Thirty isochron/seismic facies maps were made to reveal the stratigraphic pattern through the late Tertiary. During the early Miocene, a salt-rimmed syncline centered north of Mars field in MC455 accumulated sediments. The salt rim collapsed, creating a middle Miocene turtle structure. Middle-late Miocene sand-rich turbidites bypassed this structure and were deposited to the south around Mars field and beyond. At the same time, another depotrough 30 mi east of Mars field channeled deep-water sands to the MC730 area. A late Miocene-early Pliocene counterregional fault striking parallel to the shelf edge formed as salt evacuated the area on the south side of the Cognac (MC194) and Lena (MC280) fields. This fault trapped the Pliocene reservoir sandstones that produce in these fields. Sedimentation during the late Pliocene-early Pleistocene was very slow (0.2m/1,000 yr) and characterized by thin, stacked, condensed sections of hemipelagic shale. Since the mid-Pleistocene, the Mississippi River has supplied sediments to the Mississippi Canyon area that have induced salt deformation that has in turn affected recent sedimentation.

Hannan, A.E.; Risch, D.L.; Chowdhury, A.N. [Geco-Prakla, Inc., Houston, TX (United States)

1994-12-31T23:59:59.000Z

293

The joint statistics of mildly non-linear cosmological densities and slopes in count-in-cells  

E-Print Network [OSTI]

In the context of count-in-cells statistics, the joint probability distribution of the density in two concentric spherical shells is predicted from first first principle for sigmas of the order of one. The agreement with simulation is found to be excellent. This statistics allows us to deduce the conditional one dimensional probability distribution function of the slope within under dense (resp. overdense) regions, or of the density for positive or negative slopes. The former conditional distribution is likely to be more robust in constraining the cosmological parameters as the underlying dynamics is less evolved in such regions. A fiducial dark energy experiment is implemented on such counts derived from Lambda-CDM simulations.

Bernardeau, Francis; Pichon, Christophe

2015-01-01T23:59:59.000Z

294

Geologic interrelations relative to gas hydrates within the North Slope of Alaska: Task No. 6, Final report  

SciTech Connect (OSTI)

The five primary objectives of the US Geological Survey North Slope Gas Hydrate Project were to: (1) Determine possible geologic controls on the occurrence of gas hydrate; (2) locate and evaluate possible gas-hydrate-bearing reservoirs; (3) estimate the volume of gas within the hydrates; (4) develop a model for gas-hydrate formation; and (5) select a coring site for gas-hydrate sampling and analysis. Our studies of the North Slope of Alaska suggest that the zone in which gas hydrates are stable is controlled primarily by subsurface temperatures and gas chemistry. Other factors, such as pore-pressure variations, pore-fluid salinity, and reservior-rock grain size, appear to have little effect on gas hydrate stability on the North Slope. Data necessary to determine the limits of gas hydrate stability field are difficult to obtain. On the basis of mud-log gas chromatography, core data, and cuttings data, methane is the dominant species of gas in the near-surface (0--1500 m) sediment. Gas hydrates were identified in 34 wells utilizing well-log responses calibrated to the response of an interval in one well where gas hydrates were actually recovered in a core by an oil company. A possible scenario describing the origin of the interred gas hydrates on the North Slope involves the migration of thermogenic solution- and free-gas from deeper reservoirs upward along faults into the overlying sedimentary rocks. We have identified two (dedicated) core-hole sites, the Eileen and the South-End core-holes, at which there is a high probability of recovering a sample of gas hydrate. At the Eileen core-hole site, at least three stratigraphic units may contain gas hydrate. The South-End core-hole site provides an opportunity to study one specific rock unit that appears to contain both gas hydrate and oil. 100 refs., 72 figs., 24 tabs.

Collett, T.S.; Bird, K.J.; Kvenvolden, K.A.; Magoon, L.B.

1988-01-01T23:59:59.000Z

295

Salton Sea Geothermal Field, Imperial Valley, California as a site for continental scientific drilling. [Abstract only  

SciTech Connect (OSTI)

The Salton Trough, where seafloor spreading systems of the East Pacific Rise transition into the San Andreas transform fault system, is the site of such continental rifting and basin formation today. The largest thermal anomaly in the trough, the Salton Sea Geothermal Field (SSGF), is of interest to both thermal regimes and mineral resources investigators. At this site, temperatures >350/sup 0/C and metal-rich brines with 250,000 mg/L TDS have been encountered at <2 km depth. Republic Geothermal Inc. will drill a new well to 3.7 km in the SSGF early in 1983; we propose add-on experiments in it. If funded, we will obtain selective water and core samples and a large-diameter casing installed to 3.7 km will permit later deepening. In Phase 2, the well would be continuously cored to 5.5 km and be available for scientific studies until July 1985. The deepened well would encounter hydrothermal regimes of temperature and pressure never before sampled.

Elders, W.A.; Cohen, L.H.

1983-03-01T23:59:59.000Z

296

Observations of the internal tide on the California continental margin near Monterey Bay  

Science Journals Connector (OSTI)

Abstract Observations of the semidiurnal internal tide on the California continental margin between Monterey Bay and Point Sur confirm the existence of northward energy flux predicted by numerical models of the region. Both a short-duration tide-resolving survey with expendable profilers and a multi-week timeseries from FLIP measured northward flux in the mean, supporting the hypothesis that topographic features off Point Sur are the source of the strong internal tides observed in Monterey Canyon. However, the observed depth-integrated semidiurnal flux of 450200Wm?1 is approximately twice as large as the most directly-comparable model and FLIP results. Though dominated by low modes with O(100km) horizontal wavelengths, a number of properties of the semidiurnal internal tide, including kinetic and potential energy, as well as energy flux, show lateral variability on O(5km) scales. Potential causes of this spatial variability include interference of waves from multiple sources, the sharp delineation of beams generated by abrupt topography due to limited azimuthal extent, and local generation and scattering of the internal tide into higher modes by small-scale topography. A simple two-source model of a first-mode interference pattern reproduces some of the most striking aspects of the observations.

Samantha R. Terker; James B. Girton; Eric Kunze; Jody M. Klymak; Robert Pinkel

2014-01-01T23:59:59.000Z

297

Maturation of Tertiary sediments in the Asian Continental Margins: A basis for hydrocarbon generation studies  

SciTech Connect (OSTI)

In the marginal areas of the Asian continent, the Paleogene and Miocene coal-bearing formations are sporadically distributed. In some areas, particularly in the sea regions, their equivalents are possibly explored for oil and gas. The basins mainly formed as tectonic depressions, and are filled with fluvial to marine clastic rocks. The formations show marked lateral variation in thickness, lithology, and sediment characteristics, which are related to the geotectonic settings of the basins at active plate margins. Remarkable accumulation of overburden and high paleogeothermal conditions, which are marked in northern Kyushu, Japan, and Thailand, influenced diagenesis. Organic and inorganic maturation studies in northern Kyushu reveal a progress of diagenesis from the inland of Kyushu toward the sea region essentially controlled by additional heat supply from the sea region during and after sedimentation. The sediments on the land surface are chiefly overmatured, and/or contain minor amounts of organic carbon. High paleogeothermal influence on Tertiary maturation is clear also in northern Thailand. The high paleotemperature conditions in these areas may be related to tectonic interaction between the oceanic and continental plates.

Miki, Takashi (Kyushu Univ., Fukuoka (Japan))

1994-07-01T23:59:59.000Z

298

Influences of salt structures on reservoir rocks in block L-2, Dutch continental shelf  

SciTech Connect (OSTI)

In the subsurface of the Netherlands Continental Shelf, thick layers of Zechstein salt have developed into salt domes and ridges that pierce through the overlying formations. To measure the range of lateral influence of the salt in these structures on the sandstone reservoir rocks of the Mesozoic sequence, a cementation model was developed. The target area, Block L-2, was chosen for the presence of salt domes, wells, and reservoir rocks. The L-2 case study has been performed on two Triassic sandstone intervals. The lower, Volpriehausen, sandstone showed halite cementation in one well, located within several 100 m from a salt dome. Four other wells, located more than 1.5 km from a salt structure, did not show any signs of halite cementation. Therefore, the lateral influence of salt domes on the surrounding reservoir rock is, in this case, limited to less than 1.5 km at 3-4 km depth. A slightly shallower Triassic sandstone (Detfurth) shows more frequent halite cementation. This cementation can be attributed to early seepage from overlying Rot salt brines.Triassic Rot salt is present above depletion areas of the Zechstein salt structures, and in such a way the seepage can be seen as an indirect influence of the salt structures.

Dronkert, H. (Delft Univ. of Technology, Delft (Netherlands)); Remmelts, G. (Geological Survey of the Netherlands, Haarlem (Netherlands))

1993-09-01T23:59:59.000Z

299

Long-term Statistics of Continental Cumuli: Does Aerosol Trigger Cumulus Variability?  

SciTech Connect (OSTI)

Atmospheric aerosols may control the formation, maintenance, and dissipation of cumuli by changing their microphysics. Recent observational and modeling results exist both in support and against strong potential impacts of aerosol [1-3]. Typically, the aerosol impact on water clouds has been investigated for regions with high aerosol loading and/or large atmospheric moisture [4]. Can we provide observational evidence of the aerosol-cloud relationship for a relatively dry continental region with low/moderate aerosol burden? To address this question, we revisit the aerosol-cloud relationship at the Atmospheric Radiation Measurement (ARM) Climate Research Facility (ACRF) Southern Great Plains (SGP) site. In comparison with highly polluted regions, the SGP site is characterized by relatively small-to-moderate aerosol loading. Also, moisture content is small-to-moderate (compared to marine and coastal regions) for the SGP site. Because cumulus clouds have important impacts on climate forcing estimations [5] and are susceptible to aerosol effects [6], we focus on fair-weather cumuli (FWC) and their association with aerosol concentration and other potentially important factors. This association is investigated using a new 8-year aerosol and cloud climatology (2000-2007) developed with collocated and coincident surface and satellite observations.

Kassianov, Evgueni I.; Berg, Larry K.; McFarlane, Sally A.; Flynn, Connor J.; Turner, David D.

2009-02-01T23:59:59.000Z

300

Outside the Continental United States International Travel and Contagion Impact Quick Look Tool  

SciTech Connect (OSTI)

ABSTRACT This paper describes a tool that will allow public health analysts to estimate infectious disease risk at the country level as a function of different international transportation modes. The prototype focuses on a cholera epidemic originating within Latin America or the Caribbean, but it can be expanded to consider other pathogens as well. This effort leverages previous work in collaboration with the Centers for Disease Control and Prevention to develop the International Travel to Community Impact (IT-CI) model, which analyzes and assesses potential international disease outbreaks then estimates the associated impacts to U.S. communities and the nation as a whole and orient it for use Outside the Continental United States (OCONUS). For brevity, we refer to this refined model as OIT-CI. First, we developed an operationalized meta-population spatial cholera model for Latin America and the Caribbean at the secondary administrative-level boundary. Secondly, we developed a robust function of human airline critical to approximating mixing patterns in the meta- population model. In the prototype version currently presented here, OIT-CI models a cholera epidemic originating in a Latin American or Caribbean country and spreading via airline transportation routes. Disease spread is modeled at the country level using a patch model with a connectivity function based on demographic, geospatial, and human transportation data. We have also identified data to estimate the water and health-related infrastructure capabilities of each country to include this potential impact on disease transmission.

Corley, Courtney D.; Lancaster, Mary J.; Brigantic, Robert T.; Kunkel, Brenda M.; Muller, George; McKenzie, Taylor K.

2012-11-09T23:59:59.000Z

Note: This page contains sample records for the topic "beaufort continental slope" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


301

EVIDENCE FOR GENTLY SLOPING PLASMA DENSITY PROFILES IN THE DEEP CORONA: TYPE III OBSERVATIONS  

SciTech Connect (OSTI)

Type III radio bursts are produced near the local electron plasma frequency f{sub p} and near its harmonic 2f{sub p} by fast electrons ejected from the solar active regions and moving through the corona and solar wind. The coronal bursts have dynamic spectra with frequency rapidly falling with time, the typical duration being about 1-3 s. In the present paper, 37 well-defined coronal type III radio bursts (25-450 MHz) are analyzed. The results obtained substantiate an earlier statement that the dependence of the central frequency of the emission on time can be fitted to a power-law model, f(t) {proportional_to} (t - t{sub 0}){sup -{alpha}}, where {alpha} can be as low as 1. In the case of negligible plasma acceleration and conical flow, it means that the electron number density within about 1 solar radius above the photosphere will decrease as r {sup -2}, like in the solar wind. For the data set chosen, the index {alpha} varies in the range from 0.2 to 7 or bigger, with mean and median values of 1.2 and 0.5, respectively. A surprisingly large fraction of events, 84%, have {alpha} {<=} 1.2. These results provide strong evidence that in the type III source regions the electron number density scales as n(r) {proportional_to} (r - r{sub 0}){sup -{beta}}, with minimum, mean, and median {beta} = 2{alpha} of 0.4, 2.4, and 1.0, respectively. Hence, the typical density profiles are more gently sloping than those given by existing empirical coronal models. Several events are found with a wind-like dependence of burst frequency on time. Smaller power-law indices could result from the effects of non-conical geometry of the plasma flow tubes, deceleration of coronal plasma, and/or the curvature of the magnetic field lines. The last effect is shown to be too weak to explain such low power-law indices. A strong tendency is found for bursts from the same group to have similar power-law indices, thereby favoring the hypothesis that they are usually produced by the same source region.

Lobzin, V. V.; Cairns, I. H.; Robinson, P. A. [School of Physics, University of Sydney, NSW 2006 (Australia); Warmuth, A.; Mann, G. [Astrophysikalisches Institut Potsdam, D 14482 Potsdam (Germany); Gorgutsa, R. V.; Fomichev, V. V. [Pushkov Institute of Terrestrial Magnetism, Ionosphere and Radiowave Propagation, 142190, Troitsk, Moscow Region (Russian Federation)

2010-12-01T23:59:59.000Z

302

Design of field test plots for a sloped waste rock surface  

SciTech Connect (OSTI)

Westmin Resources Limited is a Western Canadian mining company with producing interests in base and precious metals and coals. Westmin`s Myra Falls Operations produce copper, zinc, and gold concentrates. The Myra Falls Operations are located in the central interior of Vancouver Island in a hanging glacial valley. Mean annual precipitation is approximately 3,000 mm with more than 75% occurring during the months of October to April. Historic surface deposition of waste rock has resulted in acid rock drainage (ARD). An applied research program was initiated to develop a cover system for the waste rock material at the Myra Falls site. The objective is to develop a cover system which controls the ingress of oxygen and infiltration of water, while providing a medium for sustainable vegetation that is consistent with the end land use of the area. Progress to date suggests that modified local till materials (amended with either fly ash or bentonite) can be used in soil cover construction. Four test plots were designed using two-dimensional saturated-unsaturated modelling tools to ensure that the performance of each test plot was representative of a full scale ARD cover system. This paper summarizes the design philosophy and principles of the cover system as well as the methodology for the two-dimensional numerical modelling program. Conclusions and results from the numerical modelling program are presented with a focus on implications for construction of the field test plots and installation of the performance monitoring instruments. The numerical modelling demonstrated that the hydraulic performance of a soil cover system placed on a sloped waste rock surface will be much different than that predicted by idealized one-dimensional numerical models, and in general current design methodologies. The modelling clearly demonstrated that the design of small scale field test plots was not a simple task. The physical dimensions of the field test plots had a significant impact on the ideal location for monitoring instruments and incorrect placement of instruments would lead to an erroneous measure of test plot performance.

O`Kane, M. [O`Kane Consultants, Inc., Saskatoon, Saskatchewan (Canada); Stoicescu, J.; Haug, M. [M.D. Haug and Associates Ltd., Saskatoon, Saskatchewan (Canada); Januszewski, S. [Westmin Resources Ltd., Campbell River, British Columbia (Canada). Myra Falls Operations; Mchaina, D.M. [Westmin Resources Ltd., Vancouver, British Columbia (Canada)

1998-12-31T23:59:59.000Z

303

Continental and oceanic crustal structure of the Pampean flat slab region, western Argentina, using receiver function analysis: new high-resolution results  

Science Journals Connector (OSTI)

......out that the largest seismic energy release is in flat slab regions...coupling. In central Chile/Argentina, for example, the upper plate energy release associated with the...slab region beneath western Argentina. An improved depth to continental......

Christine R. Gans; Susan L. Beck; George Zandt; Hersh Gilbert; Patricia Alvarado; Megan Anderson; Lepolt Linkimer

2011-07-01T23:59:59.000Z

304

Estimation of Hourly Solar Loads on the Surfaces of Moving Refrigerated Tractor Trailers Outfitted with Phase Change Materials (PCMs) for Several Routes across the Continental U.S.  

E-Print Network [OSTI]

The primary objective of this thesis was to calculate solar loads, wind chill temperatures on the surfaces of moving refrigerated tractor trailers outfitted with phase change materials (PCMs) for several routes across the Continental United States...

Varadarajan, Krupasagar

2011-08-31T23:59:59.000Z

306

Rheology of the Deep Upper Mantle and its Implications for the Preservation of the Continental Roots: A Review  

SciTech Connect (OSTI)

The longevity of deep continental roots depends critically on the rheological properties of upper mantle minerals under deep upper mantle conditions. Geodynamic studies suggest that the rheological contrast between the deep continental and oceanic upper mantle is a key factor that controls the longevity of the continental roots. Current understanding of rheological properties of deep upper mantle is reviewed to examine how a large enough rheological contrast between the continental and oceanic upper mantle develops that leads to the longevity of the deep continental roots. Based on the microstructures of naturally deformed deep continental rocks as well as on the observations of seismic anisotropy, it is concluded that power-law dislocation creep dominates in most of the deep upper mantle. Deformation by power-law creep is sensitive to water content and therefore the removal of water by partial melting to form depleted continental roots is a likely mechanism to establish a large rheological contrast. The results of experimental studies on the influence of temperature, pressure and water content on plastic flow by power-law dislocation creep are reviewed. The degree of rheological contrast depends critically on the dependence of effective viscosity on water content under 'wet' (water-rich) conditions but it is also sensitive to the effective viscosity under 'dry' (water-free) conditions that depends critically on the influence of pressure on deformation. Based on the analysis of thermodynamics of defects and high-temperature creep, it is shown that a robust estimate of the influence of water and pressure can be made only by the combination of low-pressure (< 0.5 GPa) and high-pressure (> 5 GPa) studies. A wide range of flow laws has been reported, leading to nearly 10 orders of magnitude differences in estimated viscosities under the deep upper mantle conditions. However, based on the examination of several criteria, it is concluded that relatively robust experimental data are now available for power-law dislocation creep in olivine both under 'dry' (water-free) and 'wet' (water-saturated) conditions. These data show that the influence of water is large (a change in viscosity up to {approx} 4 orders of magnitude for a constant stress) at the depth of {approx} 200-400 km. I conclude that the conditions for survival of a deep root for a few billions of years can be satisfied when 'dry' olivine rheology with a relatively large activation volume (> (10-15) x 10{sup -6} m{sup 3}/mol) is used and the substantial water removal occurs to these depths. High degree of water removal requires a large degree of melting in the deep upper mantle that could have occurred in the Archean where geotherm was likely hotter than the current one by 200 K presumably with the help of water.

Karato, S.

2010-01-01T23:59:59.000Z

307

Tectonic significance of Synrift sediment packages across the Congo continental margin  

SciTech Connect (OSTI)

The tectonic and stratigraphic development of the Congo continental margin reflects the timing, magnitude, and distribution of lithospheric extension responsible for its formation. Details of the lithospheric extension process are recorded in the stratigraphic successions preserved along and across the margin. By using the stratal relationships (e.g., onlap, downlap, and truncation) and lithofacies determined from seismic reflection and exploratory well data as input into our basin-modeling strategy, we have developed an integrated approach to determine the relationship between the timing, magnitude, and distribution of lithospheric extension across the margin. Two hinge zones, an eastern and Atlantic hinge formed along the Congo margin in response to discrete extensional events occurring from the Berriasian to the Aptian. The eastern hinge zone demarcates the eastern limit of the broadly distributed Berriasian extension. This extension resulted in the formation of deep anoxic, lacustrine systems. In contrast, the Atlantic hinge, located [approximately]90 km west of the eastern hinge, marks the eastern limit of a second phase of extension, which began in the Hauterivian. Consequent footwall uplift and rotation exposed the earlier synrift and prerift stratigraphy to at least wave base causing varying amounts of erosional truncation across the Atlantic hinge zone along much of the Gabon, Congo, and Angola margins. The absence of the Melania Formation across the Congo margin implies that uplift of the Atlantic hinge was relatively minor compared to that across the Angola and Gabon margins. In addition, material eroded from the adjacent and topographically higher hinge zones may in part account for the thick wedge of sediment deposited seaward of the Congo Atlantic hinge. A third phase of extension reactivated both the eastern and Atlantic hinge zones and was responsible for creating the accommodation space for Marnes Noires source rock deposition.

McGinnis, J.P.; Karner, G.D.; Driscoll, N.W. (Lamont-Doherty Geological Observatory, Palisades, NY (United States)); Brumbaugh, W.D. (Conoco, Worldwide Exploration Services, Houston, TX (United States)); Cameron, N. (Conoco Ltd., London (United Kingdom))

1993-09-01T23:59:59.000Z

308

Topographical differences in soil N transformation using15N dilution method along a slope in a conifer plantation forest in Japan  

Science Journals Connector (OSTI)

Soil N transformation was investigated using15N dilution method along a slope on a conifer plantation forest. Although there was no significant difference in...15N dilution method showed a distinct difference not...

Naoko Tokuchi; Muneto Hirobe; Keisuke Koba

2000-02-01T23:59:59.000Z

309

Effect of cropland management and slope position on soil organic carbon pool at the North Appalachian Experimental Watersheds  

Science Journals Connector (OSTI)

Soil organic matter is strongly related to soil type, landscape morphology, and soil and crop management practices. Therefore, long-term (1536-years) effects of six cropland management systems on soil organic carbon (SOC) pool in 030cm depth were studied for the period of 19391999 at the North Appalachian Experimental Watersheds (pool ranged from 24.5Mgha?1 in the 32-years moldboard tillage corn (Zea mays L.)wheat (Triticum aestivum L.)meadowmeadow rotation with straight row farming and annual application of fertilizer (N:P:K=5:9:17) of 56112kgha?1 and cattle (Bos taurus) manure of 9Mgha?1 as the prevalent system (MTR-P) to 65.5Mgha?1 in the 36-years no tillage continuous corn with contour row farming and annual application of 170225kgNha?1 and appropriate amounts of P and K, and 611Mgha?1 of cattle manure as the improved system (NTC-M). The difference in SOC pool among management systems ranged from 2.4 to 41Mgha?1 and was greater than 25Mgha?1 between NTC-M and the other five management systems. The difference in the SOC pool of NTC-M and that of no tillage continuous corn (NTC) were 1621Mgha?1 higher at the lower slope position than at the middle and upper slope positions. The effect of slope positions on SOC pools of the other management systems was significantly less (water conservation farming on SOC pool were accumulative. The NTC-M treatment with application of NPK fertilizer, lime, and cattle manure is an effective cropland management system for SOC sequestration.

Y Hao; R Lal; L.B Owens; R.C Izaurralde; W.M Post; D.L Hothem

2002-01-01T23:59:59.000Z

310

Improving single slope ADC and an example implemented in FPGA with 16.7 GHz equivalent counter clook frequency  

SciTech Connect (OSTI)

Single slope ADC is a common building block in many ASCI or FPGA based front-end systems due to its simplicity, small silicon footprint, low noise interference and low power consumption. In single slope ADC, using a Gray code counter is a popular scheme for time digitization, in which the comparator output drives the clock (CK) port of a register to latch the bits from the Gray code counter. Unfortunately, feeding the comparator output into the CK-port causes unnecessary complexities and artificial challenges. In this case, the propagation delays of all bits from the counter to the register inputs must be matched and the counter must be a Gray code one. A simple improvement on the circuit topology, i.e., feeding the comparator output into the D-port of a register, will avoid these unnecessary challenges, eliminating the requirement of the propagation delay match of the counter bits and allowing the use of regular binary counters. This scheme not only simplifies current designs for low speeds and resolutions, but also opens possibilities for applications requiring higher speeds and resolutions. A multi-channel single slope ADC based on a low-cost FPGA device has been implemented and tested. The timing measurement bin width in this work is 60 ps, which would need a 16.7 GHz counter clock had it implemented with the conventional Gray code counter scheme. A 12-bit performance is achieved using a fully differential circuit making comparison between the input and the ramping reference, both in differential format.

Wu, Jinyuan; /Fermilab; Odeghe, John; /South Carolina State U.; Stackley, Scott; /Boston U.; Zha, Charles; /Rice U.

2011-11-01T23:59:59.000Z

311

SOLVENT-BASED ENHANCED OIL RECOVERY PROCESSES TO DEVELOP WEST SAK ALASKA NORTH SLOPE HEAVY OIL RESOURCES  

SciTech Connect (OSTI)

A one-year research program is conducted to evaluate the feasibility of applying solvent-based enhanced oil recovery processes to develop West Sak and Ugnu heavy oil resources found on the Alaska North Slope (ANS). The project objective is to conduct research to develop technology to produce and market the 300-3000 cp oil in the West Sak and Ugnu sands. During the first phase of the research, background information was collected, and experimental and numerical studies of vapor extraction process (VAPEX) in West Sak and Ugnu are conducted. The experimental study is designed to foster understanding of the processes governing vapor chamber formation and growth, and to optimize oil recovery. A specially designed core-holder and a computed tomography (CT) scanner was used to measure the in-situ distribution of phases. Numerical simulation study of VAPEX was initiated during the first year. The numerical work completed during this period includes setting up a numerical model and using the analog data to simulate lab experiments of the VAPEX process. The goal was to understand the mechanisms governing the VAPEX process. Additional work is recommended to expand the VAPEX numerical study using actual field data obtained from Alaska North Slope.

David O. Ogbe; Tao Zhu

2004-01-01T23:59:59.000Z

312

A comparison of the ingredients of stellar population models on the inference of the slope of the initial mass function  

E-Print Network [OSTI]

We perform a direct comparison between two new single stellar population (SSP) models constructed specifically for the purpose of studying old, metal-rich stellar populations. We examine the effect of the underlying model assumptions and ingredients, such as stellar libraries or isochrones, on the inference of the Initial Mass Function (IMF) slope down to 0.1 solar masses in massive early-type galaxies (ETGs). For both models, we study equivalent widths of stellar features with varying ages, metallicity and elemental abundances, as a function of the IMF slope. We show that the use of optical indices, mainly from TiO and CaH molecular absorption lines, permits us to eliminate the uncertainty caused by the different stellar libraries used in the synthesis process. Neither of the two SSP models are able to simultaneously reproduce all the optical stellar features in SDSS ETGs with \\sigma > 250km/s if we restrict the analysis to solar abundance patterns and to line-index measurements.We also find that predictions...

Spiniello, Chiara; Koopmans, Lon V E

2014-01-01T23:59:59.000Z

313

ARM - Midlatitude Continental Convective Clouds Microwave Radiometer Profiler (jensen-mwr)  

SciTech Connect (OSTI)

A major component of the Mid-latitude Continental Convective Clouds Experiment (MC3E) field campaign was the deployment of an enhanced radiosonde array designed to capture the vertical profile of atmospheric state variables (pressure, temperature, humidity wind speed and wind direction) for the purpose of deriving the large-scale forcing for use in modeling studies. The radiosonde array included six sites (enhanced Central Facility [CF-1] plus five new sites) launching radiosondes at 3-6 hour sampling intervals. The network will cover an area of approximately (300)2 km2 with five outer sounding launch sites and one central launch location. The five outer sounding launch sites are: S01 Pratt, KS [ 37.7oN, 98.75oW]; S02 Chanute, KS [37.674, 95.488]; S03 Vici, Oklahoma [36.071, -99.204]; S04 Morris, Oklahoma [35.687, -95.856]; and S05 Purcell, Oklahoma [34.985, -97.522]. Soundings from the SGP Central Facility during MC3E can be retrieved from the regular ARM archive. During routine MC3E operations 4 radiosondes were launched from each of these sites (approx. 0130, 0730, 1330 and 1930 UTC). On days that were forecast to be convective up to four additional launches were launched at each site (approx. 0430, 1030, 1630, 2230 UTC). There were a total of approximately 14 of these high frequency launch days over the course of the experiment. These files contain brightness temperatures observed at Purcell during MC3E. The measurements were made with a 5 channel (22.235, 23.035, 23.835, 26.235, 30.000GHz) microwave radiometer at one minute intervals. The results have been separated into daily files and the day of observations is indicated in the file name. All observations were zenith pointing. Included in the files are the time variables base_time and time_offset. These follow the ARM time conventions. Base_time is the number seconds since January 1, 1970 at 00:00:00 for the first data point of the file and time_offset is the offset in seconds from base_time.

Jensen, Mike

2012-02-01T23:59:59.000Z

314

ARM - Midlatitude Continental Convective Clouds - Ultra High Sensitivity Aerosol Spectrometer(tomlinson-uhsas)  

SciTech Connect (OSTI)

Ultra High Sensitivity Aerosol Spectrometer (UHSASA) A major component of the Mid-latitude Continental Convective Clouds Experiment (MC3E) field campaign was the deployment of an enhanced radiosonde array designed to capture the vertical profile of atmospheric state variables (pressure, temperature, humidity wind speed and wind direction) for the purpose of deriving the large-scale forcing for use in modeling studies. The radiosonde array included six sites (enhanced Central Facility [CF-1] plus five new sites) launching radiosondes at 3-6 hour sampling intervals. The network will cover an area of approximately (300)2 km2 with five outer sounding launch sites and one central launch location. The five outer sounding launch sites are: S01 Pratt, KS [ 37.7oN, 98.75oW]; S02 Chanute, KS [37.674, 95.488]; S03 Vici, Oklahoma [36.071, -99.204]; S04 Morris, Oklahoma [35.687, -95.856]; and S05 Purcell, Oklahoma [34.985, -97.522]. Soundings from the SGP Central Facility during MC3E can be retrieved from the regular ARM archive. During routine MC3E operations 4 radiosondes were launched from each of these sites (approx. 0130, 0730, 1330 and 1930 UTC). On days that were forecast to be convective up to four additional launches were launched at each site (approx. 0430, 1030, 1630, 2230 UTC). There were a total of approximately 14 of these high frequency launch days over the course of the experiment. These files contain brightness temperatures observed at Purcell during MC3E. The measurements were made with a 5 channel (22.235, 23.035, 23.835, 26.235, 30.000GHz) microwave radiometer at one minute intervals. The results have been separated into daily files and the day of observations is indicated in the file name. All observations were zenith pointing. Included in the files are the time variables base_time and time_offset. These follow the ARM time conventions. Base_time is the number seconds since January 1, 1970 at 00:00:00 for the first data point of the file and time_offset is the offset in seconds from base_time.

Tomlinson, Jason; Jensen, Mike

2012-02-28T23:59:59.000Z

315

Continental shelf processes affecting the oceanography of the South Atlantic Bight. Progress report, June 1, 1979-May 31, 1980  

SciTech Connect (OSTI)

Progress is reported on research conducted from June, 1979 to May, 1980 on various oceanographic aspects of the South Atlantic Bight. Research topics included: (1) A flashing model of Onslow Bay, North Carolina based on intrusion volumes; (2) A description of a bottom intrusion in Onslow Bay, North Carolina; (3) Detailed observations of a Gulf Stream spin-off eddy on the Georgia continental shelf; (4) Pelagic tar of Georgia and Florida; (5) A surface diaton bloom in response to eddy-forced upwelling; and (6) Hydrographic observations off Savannah and Brunswick, Georgia.

Atkinson, L P

1980-02-29T23:59:59.000Z

316

Seismic geomorphological analysis of deepwater gravity-driven deposits on a slope system of the southern Colombian Caribbean margin  

Science Journals Connector (OSTI)

Abstract Gravity-driven processes are important agents for transporting sediments downslope into deep-marine environments. The Pliocene to Holocene offshore succession of the Colombian Caribbean margin and its stratigraphic distribution, have been affected by faulting and mud diapirism, and have been characterized using 3D seismic data. Nine stratigraphic intervals were characterized within the study, and are interpreted to consist of a range of seismic geomorphologies, including slumps and debrites. Nine gravity-driven deposits were defined within the study area, interpreted to have been transported to the north and northwest. Slumps display high-amplitude, high continuity, elongated, stratified, lobate and confined morphologies, while debrites have a reflection-free pattern or show discontinuous, low-amplitude and chaotic reflections. Mixed slumps-turbidites-debrites deposits are composed by a succession of laterally and vertically interfingered slumps, debrites and turbidites. These deposits are morphologically lobate and broadly scattered. In addition, erosional features such as basal small scours, megascours, linear scours and rafted blocks were used as kinematic indicators within the gravity-driven deposits. There are several candidates triggering mechanism, including over-steepening of slope (related to high sediment supply or slope tectonism). In the study area, confined slumps and debrites with a main transport direction from south to north have been observed, while transport direction of the mixed slumps-turbidites-debrites was toward northwest. Additionally, the fact that slumps and debrites are found in depocenters between periclines suggests a confined environment of deposition. Finally, mixed slumps-turbidites-debrites are unconfined without evident structural control. We suggest that local intraslope sub-basin margin become over-steepened as a result of mud diapirism in the subsurface. In this situation, the paleobathymetry was sufficient to trap the resultant gravity-driven deposits within the sub-basins, suggesting a local origin. Seismic evidence of BSR (Bottom Simulating Reflector) suggests the presence of gas hydrate in the study area, and is taken as an additional potential mechanism to provide instability of slope and generate gravity-driven deposits.

Esteban Alfaro; Michael Holz

2014-01-01T23:59:59.000Z

317

A geophysical overview of the southern continental margin of North America in the Late Precambrian/Cambrian  

SciTech Connect (OSTI)

Recent geophysical studies have shed considerable light on the nature and extent of the southern Continental margin of North America which formed during the Late Precambrian/Cambrian. To the east between Arkansas and Alabama, the PASSCAL/Ouachita seismic experiment and older results in Mississippi indicate that this margin is largely preserved beneath allochthonous rocks emplaced during the Ouachita orogeny. Here the margin is fairly abrupt suggesting transtension was important in this origin. The Wiggins and Sabine blocks appear to be continental fragments which may have formed along this margin. In Texas, the margin extends around the Llano uplift in a sinuous fashion. In this area, Mesozoic extension clouds the picture considerably. However, structural complexities along this portion of he margin can be inferred form gravity data. In West Texas, the margin bends westward and then southward. A very deep oil exploration test which was recently drilled in this area provides valuable constraints for geophysical models of this portion of the margin. Recent results in Mexico allows the authors to trace this margin further south into the state of Chihuahua than previously possible.

Keller, G.R. (Univ. of Texas, El Paso, TX (United States). Dept. of Geological Sciences)

1993-02-01T23:59:59.000Z

318

Gas Production From a Cold, Stratigraphically Bounded Hydrate Deposit at the Mount Elbert Site, North Slope, Alaska  

SciTech Connect (OSTI)

As part of an effort to identify suitable targets for a planned long-term field test, we investigate by means of numerical simulation the gas production potential from unit D, a stratigraphically bounded (Class 3) permafrost-associated hydrate occurrence penetrated in the ount Elbert well on North Slope, Alaska. This shallow, low-pressure deposit has high porosities, high intrinsic permeabilities and high hydrate saturations. It has a low temperature because of its proximity to the overlying permafrost. The simulation results indicate that vertical ells operating at a constant bottomhole pressure would produce at very low rates for a very long period. Horizontal wells increase gas production by almost two orders of magnitude, but production remains low. Sensitivity analysis indicates that the initial deposit temperature is y the far the most important factor determining production performance (and the most effective criterion for target selection) because it controls the sensible heat available to fuel dissociation.

Moridis, G.J.; Silpngarmlert, S.; Reagan, M. T.; Collett, T.S.; Zhang, K.

2009-09-01T23:59:59.000Z

319

Comparison of conventional solar chimney power plants and sloped solar chimney power plants using second law analysis  

Science Journals Connector (OSTI)

Abstract In the present paper the performance of solar chimney power plants based on second law analysis is investigated for various configurations. A comparison is made between the conventional solar chimney power plant (CSCPP) and the sloped solar chimney power plant (SSCPP). The appropriate entropy generation number and second-law efficiency for solar chimney power plants are proposed in this study. Results show that there is the optimum collector size that provides the minimum entropy generation and the maximum second-law efficiency. The second-law efficiency of both systems increases with the increasing of the system height. The study reveals the influence of various effects that change pressure and temperature of the systems. It was found that SSCPP is thermodynamically better than CSCPP for some configurations. The results obtained here are expected to provide information that will assist in improving the overall efficiency of the solar chimney power plant.

Atit Koonsrisuk

2013-01-01T23:59:59.000Z

320

GPS-based slope monitoring systems and their applications in transition mining from open-pit to underground  

Science Journals Connector (OSTI)

Combining methods of open-pit and underground mining can yield maximum economic outcomes, while they may also cause large-scaled geological hazards, such as landslides. Failure to prevent landslides in mining areas could result in losses and damages to equipment, surrounding environments, and even human lives. In this paper, we report the application of global positioning system (GPS) for monitoring the Anjialing Coal Mine, the first mine in China that employs the combining methods of open-pit and underground mining. Mine slopes with different inclined angles were monitored and precise data of ground movements were obtained. Mathematic modelling of the subsidence rate over time has successfully detected the occurrence of terminal subsidence rate and a corresponding a landslide. The equipment and persons involved were evacuated and kept safe before the medium landslide occurred. In conclusion, the GPS monitoring system is proved to be effective in mitigating the geological hazards in mining areas.

Gang Chen; Xingwen Cheng; Weitao Chen; Xianju Li; Liangbiao Chen

2014-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "beaufort continental slope" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
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321

Resumen. La fosa de Cariaco, ubicada al sur del Caribe en el margen continental de Venezuela, ha sido el foco de muchos estudios de relevancia global sobre la qumica de las aguas marinas y la  

E-Print Network [OSTI]

Resumen. La fosa de Cariaco, ubicada al sur del Caribe en el margen continental de Venezuela, ha ("2004"), 161-162: 215-234 #12;216 Características de la fosa de Cariaco, Venezuela Cariaco basin on the continental margin of Venezuela, has been the focus of many marine chemistry and paleoclimatology studies

Meyers, Steven D.

322

ARM Climate Research Facilities on the North Slope of Alaska: Field Campaigns in 2007, New Facilities, and the International Polar Year  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Climate Research Facilities on the North Slope of Alaska: Climate Research Facilities on the North Slope of Alaska: Field Campaigns in 2007, New Facilities, and the International Polar Year Radiative Heating in Underexplored Bands Campaign (RHUBC): Feb 26 - Mar 14 2007 Sandia is a multiprogram laboratory operated by Sandia Corporation, a Lockheed Martin Company, for the United States Department of Energy's National Nuclear Security Administration under contract DE-AC04-94AL85000. Contributors: Mark Ivey, Bernie Zak, Jeff Zirzow, Sandia National Labs Dana Truffer-Moudra, University of Alaska Fairbanks Hans Verlinde, Chad Bahrmann, Scott Richardson, Penn State University Winter

323

Beaufort County, North Carolina: Energy Resources | Open Energy Information  

Open Energy Info (EERE)

613504°, -76.9182097° 613504°, -76.9182097° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":35.4613504,"lon":-76.9182097,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

324

Lithium isotopic systematics of A-type granites and their mafic enclaves: Further constraints on the Li isotopic composition of the continental crust  

E-Print Network [OSTI]

Lithium isotopic systematics of A-type granites and their mafic enclaves: Further constraints form 6 February 2009 Accepted 15 February 2009 Editor: D.B. Dingwell Keywords: Lithium isotopes A-type granite Mafic enclave Continental crust Lithium concentrations and isotopic compositions of 39 A

Mcdonough, William F.

325

Dynamic Modeling and Adaptive Neural-Fuzzy Control for Nonholonomic Mobile Manipulators Moving on a Slope 1 Dynamic Modeling and Adaptive Neural-Fuzzy Control for  

E-Print Network [OSTI]

robots [7]. A robust fuzzy logic controller was devised for a robotic manipulator with uncertainties [8Dynamic Modeling and Adaptive Neural-Fuzzy Control for Nonholonomic Mobile Manipulators Moving on a Slope 1 Dynamic Modeling and Adaptive Neural-Fuzzy Control for Nonholonomic Mobile Manipulators Moving

Li, Yangmin

326

Exports of Alaskan north slope oil. Introduced in the House of Representatives, One Hundred Fourth Congress, First Session, June 15, 1995  

SciTech Connect (OSTI)

The bill addresses H.R. 70 a bill to permit exports of certain domestically produced oil. The background and need for the legislation is provided. The bill would amend the Mineral Leasing Act to allow exports of Alaskan North Slope oil under certain conditions.

NONE

1995-12-31T23:59:59.000Z

327

RENFORCEMENT ET CONTROLE DE PAREMENTS DANS UNE MINE A CffiL OUVERT DE CHARBON REINFORCEMENT AND CONTROL OF FOOTWALL SLOPES IN AN OPEN PIT COAL MINE  

E-Print Network [OSTI]

AND CONTROL OF FOOTWALL SLOPES IN AN OPEN PIT COAL MINE VERST?RKUNG UND KONTROLLE VON STOSSER IM KOHLETAGEBAU to exploit the stephanian coal.TheNorth West area ofthis open pit is composed of an overthrust fold. The coal

Paris-Sud XI, Université de

328

Last spring, an Ohio waste slope collapsed, displacing 1.5 million cu yd of waste. Remedial measures can prevent similar failures at ~~grandfathered" landfills.  

E-Print Network [OSTI]

measures can prevent similar failures at ~~grandfathered" landfills. r I n the early morning hours of March of "grandfathered" landfill slopes. (Grandfathered landfills do not have an engineered liner system.) Because following case history are ap- plicable to the design, operation and expan- sion of many landfills. BEFORE

329

Advanced Oil Recovery Technologies for Improved Recovery from Slope Basin Clastic Reservoirs, Nash Draw Brushy Canyon Pool, Eddy County, NM  

SciTech Connect (OSTI)

The Nash Draw Brushy Canyon Pool in Eddy County New Mexico is a cost-shared field demonstration project in the US Department of Energy Class II Program. A major goal of the Class III Program is to stimulate the use of advanced technologies to increase ultimate recovery from slope-basin clastic reservoirs. Advanced characterization techniques are being used at the Nash Draw project to develop reservoir management strategies for optimizing oil recovery from this Delaware reservoir. Analysis, interpretation, and integration of recently acquired geologic, geophysical, and engineering data revealed that the initial reservoir characterization was too simplistic to capture the critical features of this complex formation. Contrary to the initial characterization, a new reservoir description evolved that provided sufficient detail regarding the complexity of the Brushy Canyon interval at Nash Draw. This new reservoir description is being used as a risk reduction tool to identify ''sweet spots'' for a development drilling program as well as to evaluate pressure maintenance strategies. The reservoir characterization, geological modeling, 3-D seismic interpretation, and simulation studies have provided a detailed model of the Brushy Canyon zones. This model was used to predict the success of different reservoir management scenarios and to aid in determining the most favorable combination of targeted drilling, pressure maintenance, well simulation, and well spacing to improve recovery from this reservoir.

Murphy, Mark B.

1999-02-24T23:59:59.000Z

330

Geology, reservoir engineering and methane hydrate potential of the Walakpa Gas Field, North Slope, Alaska. Final report  

SciTech Connect (OSTI)

The Walakpa Gas Field, located near the city of Barrow on Alaska`s North Slope, has been proven to be methane-bearing at depths of 2000--2550 feet below sea level. The producing formation is a laterally continuous, south-dipping, Lower Cretaceous shelf sandstone. The updip extent of the reservoir has not been determined by drilling, but probably extends to at least 1900 feet below sea level. Reservoir temperatures in the updip portion of the reservoir may be low enough to allow the presence of in situ methane hydrates. Reservoir net pay however, decreases to the north. Depths to the base of permafrost in the area average 940 feet. Drilling techniques and production configuration in the Walakpa field were designed to minimize formation damage to the reservoir sandstone and to eliminate methane hydrates formed during production. Drilling development of the Walakpa field was a sequential updip and lateral stepout from a previously drilled, structurally lower confirmation well. Reservoir temperature, pressure, and gas chemistry data from the development wells confirm that they have been drilled in the free-methane portion of the reservoir. Future studies in the Walakpa field are planned to determine whether or not a component of the methane production is due to the dissociation of updip in situ hydrates.

Glenn, R.K.; Allen, W.W.

1992-12-01T23:59:59.000Z

331

North Slope: Oil Rush  

Science Journals Connector (OSTI)

...to see that the pipeline pro,ect does no...in building the pipeline and its ancillary construction service road have been prepared...and construction designs that account for...Club, say that the pipeline should not be built...earthquake-prone area, crossing at least two major...

Luther J. Carter

1969-10-03T23:59:59.000Z

332

North Slope: Oil Rush  

Science Journals Connector (OSTI)

...place of about 46,000, situated on the Chena slough of the Tanana River. It has become...permafrost. The Trans Alaska PipelineW carrying hot oil, may face worse problems. [L. A...Despite all the unanswered questions about hot pipelines and permafrost, the restoring...

Luther J. Carter

1969-10-03T23:59:59.000Z

333

ARM - Midlatitude Continental Convective Clouds Experiment (MC3E): Multi-Frequency Profilers, Surface Meteorology (williams-surfmet)  

DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]

This data was collected by the NOAA 449-MHz and 2.8-GHz profilers in support of the Department of Energy (DOE) and NASA sponsored Mid-latitude Continental Convective Cloud Experiment (MC3E). The profiling radars were deployed in Northern Oklahoma at the DOE Atmospheric Radiation Mission (ARM) Southern Great Plans (SGP) Central Facility from 22 April through 6 June 2011. NOAA deployed three instruments: a Parsivel disdrometer, a 2.8-GHz profiler, and a 449-MHz profiler. The parasivel provided surface estimates of the raindrop size distribution and is the reference used to absolutely calibrate the 2.8 GHz profiler. The 2.8-GHz profiler provided unattenuated reflectivity profiles of the precipitation. The 449-MHz profiler provided estimates of the vertical air motion during precipitation from near the surface to just below the freezing level. By using the combination of 2.8-GHz and 449-MHz profiler observations, vertical profiles of raindrop size distributions can be retrieved. The profilers are often reference by their frequency band: the 2.8-GHz profiler operates in the S-band and the 449-MHz profiler operates in the UHF band. The raw observations are available as well as calibrated spectra and moments. This document describes how the instruments were deployed, how the data was collected, and the format of the archived data.

Christopher Williams; Mike Jensen

334

ARM - Midlatitude Continental Convective Clouds Experiment (MC3E): Multi-Frequency Profilers, Vertical Air Motion (williams-vertair)  

DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]

This data was collected by the NOAA 449-MHz and 2.8-GHz profilers in support of the Department of Energy (DOE) and NASA sponsored Mid-latitude Continental Convective Cloud Experiment (MC3E). The profiling radars were deployed in Northern Oklahoma at the DOE Atmospheric Radiation Mission (ARM) Southern Great Plans (SGP) Central Facility from 22 April through 6 June 2011. NOAA deployed three instruments: a Parsivel disdrometer, a 2.8-GHz profiler, and a 449-MHz profiler. The parasivel provided surface estimates of the raindrop size distribution and is the reference used to absolutely calibrate the 2.8 GHz profiler. The 2.8-GHz profiler provided unattenuated reflectivity profiles of the precipitation. The 449-MHz profiler provided estimates of the vertical air motion during precipitation from near the surface to just below the freezing level. By using the combination of 2.8-GHz and 449-MHz profiler observations, vertical profiles of raindrop size distributions can be retrieved. The profilers are often reference by their frequency band: the 2.8-GHz profiler operates in the S-band and the 449-MHz profiler operates in the UHF band. The raw observations are available as well as calibrated spectra and moments. This document describes how the instruments were deployed, how the data was collected, and the format of the archived data.

Christopher Williams; Mike Jensen

335

ARM - Midlatitude Continental Convective Clouds Experiment (MC3E): Multi-Frequency Profilers, 449 MHz Profiler(williams-449_prof)  

DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]

This data was collected by the NOAA 449-MHz and 2.8-GHz profilers in support of the Department of Energy (DOE) and NASA sponsored Mid-latitude Continental Convective Cloud Experiment (MC3E). The profiling radars were deployed in Northern Oklahoma at the DOE Atmospheric Radiation Mission (ARM) Southern Great Plans (SGP) Central Facility from 22 April through 6 June 2011. NOAA deployed three instruments: a Parsivel disdrometer, a 2.8-GHz profiler, and a 449-MHz profiler. The parasivel provided surface estimates of the raindrop size distribution and is the reference used to absolutely calibrate the 2.8 GHz profiler. The 2.8-GHz profiler provided unattenuated reflectivity profiles of the precipitation. The 449-MHz profiler provided estimates of the vertical air motion during precipitation from near the surface to just below the freezing level. By using the combination of 2.8-GHz and 449-MHz profiler observations, vertical profiles of raindrop size distributions can be retrieved. The profilers are often reference by their frequency band: the 2.8-GHz profiler operates in the S-band and the 449-MHz profiler operates in the UHF band. The raw observations are available as well as calibrated spectra and moments. This document describes how the instruments were deployed, how the data was collected, and the format of the archived data.

Christopher Williams; Mike Jensen

336

ARM - Midlatitude Continental Convective Clouds Experiment (MC3E): Multi-Frequency Profilers, Parcivel Disdrometer (williams-disdro)  

DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]

This data was collected by the NOAA 449-MHz and 2.8-GHz profilers in support of the Department of Energy (DOE) and NASA sponsored Mid-latitude Continental Convective Cloud Experiment (MC3E). The profiling radars were deployed in Northern Oklahoma at the DOE Atmospheric Radiation Mission (ARM) Southern Great Plans (SGP) Central Facility from 22 April through 6 June 2011. NOAA deployed three instruments: a Parsivel disdrometer, a 2.8-GHz profiler, and a 449-MHz profiler. The parasivel provided surface estimates of the raindrop size distribution and is the reference used to absolutely calibrate the 2.8 GHz profiler. The 2.8-GHz profiler provided unattenuated reflectivity profiles of the precipitation. The 449-MHz profiler provided estimates of the vertical air motion during precipitation from near the surface to just below the freezing level. By using the combination of 2.8-GHz and 449-MHz profiler observations, vertical profiles of raindrop size distributions can be retrieved. The profilers are often reference by their frequency band: the 2.8-GHz profiler operates in the S-band and the 449-MHz profiler operates in the UHF band. The raw observations are available as well as calibrated spectra and moments. This document describes how the instruments were deployed, how the data was collected, and the format of the archived data.

Christopher Williams; Mike Jensen

337

ARM - Midlatitude Continental Convective Clouds Experiment (MC3E): Multi-Frequency Profilers, 449 MHz Profiler(williams-449_prof)  

SciTech Connect (OSTI)

This data was collected by the NOAA 449-MHz and 2.8-GHz profilers in support of the Department of Energy (DOE) and NASA sponsored Mid-latitude Continental Convective Cloud Experiment (MC3E). The profiling radars were deployed in Northern Oklahoma at the DOE Atmospheric Radiation Mission (ARM) Southern Great Plans (SGP) Central Facility from 22 April through 6 June 2011. NOAA deployed three instruments: a Parsivel disdrometer, a 2.8-GHz profiler, and a 449-MHz profiler. The parasivel provided surface estimates of the raindrop size distribution and is the reference used to absolutely calibrate the 2.8 GHz profiler. The 2.8-GHz profiler provided unattenuated reflectivity profiles of the precipitation. The 449-MHz profiler provided estimates of the vertical air motion during precipitation from near the surface to just below the freezing level. By using the combination of 2.8-GHz and 449-MHz profiler observations, vertical profiles of raindrop size distributions can be retrieved. The profilers are often reference by their frequency band: the 2.8-GHz profiler operates in the S-band and the 449-MHz profiler operates in the UHF band. The raw observations are available as well as calibrated spectra and moments. This document describes how the instruments were deployed, how the data was collected, and the format of the archived data.

Williams, Christopher; Jensen, Mike

2012-11-06T23:59:59.000Z

338

ARM - Midlatitude Continental Convective Clouds Experiment (MC3E): Multi-Frequency Profilers, Parcivel Disdrometer (williams-disdro)  

SciTech Connect (OSTI)

This data was collected by the NOAA 449-MHz and 2.8-GHz profilers in support of the Department of Energy (DOE) and NASA sponsored Mid-latitude Continental Convective Cloud Experiment (MC3E). The profiling radars were deployed in Northern Oklahoma at the DOE Atmospheric Radiation Mission (ARM) Southern Great Plans (SGP) Central Facility from 22 April through 6 June 2011. NOAA deployed three instruments: a Parsivel disdrometer, a 2.8-GHz profiler, and a 449-MHz profiler. The parasivel provided surface estimates of the raindrop size distribution and is the reference used to absolutely calibrate the 2.8 GHz profiler. The 2.8-GHz profiler provided unattenuated reflectivity profiles of the precipitation. The 449-MHz profiler provided estimates of the vertical air motion during precipitation from near the surface to just below the freezing level. By using the combination of 2.8-GHz and 449-MHz profiler observations, vertical profiles of raindrop size distributions can be retrieved. The profilers are often reference by their frequency band: the 2.8-GHz profiler operates in the S-band and the 449-MHz profiler operates in the UHF band. The raw observations are available as well as calibrated spectra and moments. This document describes how the instruments were deployed, how the data was collected, and the format of the archived data.

Williams, Christopher; Jensen, Mike

2012-11-06T23:59:59.000Z

339

ARM - Midlatitude Continental Convective Clouds Experiment (MC3E): Multi-Frequency Profilers, Vertical Air Motion (williams-vertair)  

SciTech Connect (OSTI)

This data was collected by the NOAA 449-MHz and 2.8-GHz profilers in support of the Department of Energy (DOE) and NASA sponsored Mid-latitude Continental Convective Cloud Experiment (MC3E). The profiling radars were deployed in Northern Oklahoma at the DOE Atmospheric Radiation Mission (ARM) Southern Great Plans (SGP) Central Facility from 22 April through 6 June 2011. NOAA deployed three instruments: a Parsivel disdrometer, a 2.8-GHz profiler, and a 449-MHz profiler. The parasivel provided surface estimates of the raindrop size distribution and is the reference used to absolutely calibrate the 2.8 GHz profiler. The 2.8-GHz profiler provided unattenuated reflectivity profiles of the precipitation. The 449-MHz profiler provided estimates of the vertical air motion during precipitation from near the surface to just below the freezing level. By using the combination of 2.8-GHz and 449-MHz profiler observations, vertical profiles of raindrop size distributions can be retrieved. The profilers are often reference by their frequency band: the 2.8-GHz profiler operates in the S-band and the 449-MHz profiler operates in the UHF band. The raw observations are available as well as calibrated spectra and moments. This document describes how the instruments were deployed, how the data was collected, and the format of the archived data.

Williams, Christopher; Jensen, Mike

2012-11-06T23:59:59.000Z

340

ARM - Midlatitude Continental Convective Clouds Experiment (MC3E): Multi-Frequency Profilers, Surface Meteorology (williams-surfmet)  

SciTech Connect (OSTI)

This data was collected by the NOAA 449-MHz and 2.8-GHz profilers in support of the Department of Energy (DOE) and NASA sponsored Mid-latitude Continental Convective Cloud Experiment (MC3E). The profiling radars were deployed in Northern Oklahoma at the DOE Atmospheric Radiation Mission (ARM) Southern Great Plans (SGP) Central Facility from 22 April through 6 June 2011. NOAA deployed three instruments: a Parsivel disdrometer, a 2.8-GHz profiler, and a 449-MHz profiler. The parasivel provided surface estimates of the raindrop size distribution and is the reference used to absolutely calibrate the 2.8 GHz profiler. The 2.8-GHz profiler provided unattenuated reflectivity profiles of the precipitation. The 449-MHz profiler provided estimates of the vertical air motion during precipitation from near the surface to just below the freezing level. By using the combination of 2.8-GHz and 449-MHz profiler observations, vertical profiles of raindrop size distributions can be retrieved. The profilers are often reference by their frequency band: the 2.8-GHz profiler operates in the S-band and the 449-MHz profiler operates in the UHF band. The raw observations are available as well as calibrated spectra and moments. This document describes how the instruments were deployed, how the data was collected, and the format of the archived data.

Williams, Christopher; Jensen, Mike

2012-11-06T23:59:59.000Z

Note: This page contains sample records for the topic "beaufort continental slope" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


341

Observations of sound-speed fluctuations on the New Jersey continental shelf in the summer of 2006  

Science Journals Connector (OSTI)

Environmental sensors moored on the New Jersey continental shelf tracked constant density surfaces (isopycnals) for 35 days in the summer of 2006. Sound-speed fluctuations from internal-wave vertical isopycnal displacements and from temperature/salinity variability along isopycnals (spiciness) are analyzed using frequency spectra and vertical covariance functions. Three varieties of internal waves are studied: Diffuse broadband internal waves (akin to waves fitting the deep water Garrett/Munk spectrum) internal tides and to a lesser extent nonlinear internal waves. These internal-wave contributions are approximately distinct in the frequency domain. It is found that in the main thermocline spicy thermohaline structure dominates the root mean square sound-speed variability with smaller contributions coming from (in order) nonlinear internal waves diffuse internal waves and internal tides. The frequency spectra of internal-wave displacements and of spiciness have similar form likely due to the advection of variable-spiciness water masses by horizontal internal-wave currents although there are technical limitations to the observations at high frequency. In the low-frequency internal-wave band the internal-wave spectrum follows frequency to the ?1.81 power whereas the spice spectrum shows a ?1.73 power. Mode spectra estimated via covariance methods show that the diffuse internal-wave spectrum has a smaller mode bandwidth than Garrett/Munk and that the internal tide has significant energy in modes one through three.

John A. Colosi; Timothy F. Duda; Ying-Tsong Lin; James F. Lynch; Arthur E. Newhall; Bruce D. Cornuelle

2012-01-01T23:59:59.000Z

342

X-ray Scanner for ODP Leg 204: Drilling Gas Hydrates on Hydrate Ridge, Cascadia Continental Margin  

SciTech Connect (OSTI)

An x-ray scanner was designed and fabricated at Lawrence Berkeley National Laboratory to provide high speed acquisition of x-ray images of sediment cores collected on the Ocean Drilling Program (ODP) Leg 204: Drilling Gas Hydrates On Hydrate Ridge, Cascadia Continental Margin. This report discusses the design and fabrication of the instrument, detailing novel features that help reduce the weight and increase the portability of the instrument. Sample x-ray images are included. The x-ray scanner was transferred to scientific drilling vessel, the JOIDES Resolution, by the resupply ship Mauna Loa, out of Coos Bay, Oregon on July 25. ODP technicians were trained in the instruments operation. The availability of the x-ray scanner at the drilling site allows real-time imaging of cores containing methane hydrate immediately after retrieval. Thus, imaging experiments on cores can yield information on the distribution and quantity of methane hydrates. Performing these measurements at the location of core collection eliminates the need for high pressures or low temperature core handling while the cores are stored and transported to a remote imaging laboratory.

Freifeld, Barry; Kneafsey, Tim; Pruess, Jacob; Reiter, Paul; Tomutsa, Liviu

2002-08-08T23:59:59.000Z

343

High-resolution seismic stratigraphic analysis of the Late Quaternary upper slope and shelf edge: Main Pass-Viosca Knoll area, Gulf of Mexico  

SciTech Connect (OSTI)

High-resolution (800 Hz) sparker data from the Main Pass-Viosca Knoll area, offshore Louisiana, show shelf-edge deltas with oblique progradational clinoforms, parallel, and channel-fill reflections in the near-surface, latest Quaternary section of the upper slope. Sequence boundaries are indicated by onlap of slope facies onto older outershelf deltas and shelf margins, erosional truncation, and minor channel erosion on the top of progradational units and on the slope. The authors tentatively identify these sequence boundaries as Type I. Each depositional sequence consists of two seismic units: (1) a lower unit consisting of parallel, seaward-dipping reflections; (2) an upper unit consisting of parallel reflections and progradational clinoforms that converge or downlap downslope on top of the lower parallel unit. Precise correlation to absolute time and sea level awaits analysis and integration of shallow cores taken in the area by an industry consortium. Facies and isochron mapping of each sequence indicates an overall back-stepping of the shelf-edge deltas and shelf margins during the latest Quaternary. The Quaternary shelf edges are an area of isochron thicks and thins resulting from erosion and redeposition. Major channels commonly cross salt diapirs and may occupy the same site during successive lowstands. Comparison with multichannel seismic profiles shows that each shelf-edge delta seen on the high resolution profiles is represented by a single reflection on multichannel data. Steep clinoforms, downlap surfaces, and individual sequences are not seen on the multichannel data.

McMillen, K.J. (Marathon Oil Co., Houston, TX (United States)); Winn, R.D. Jr. (Marathon Oil Co., Littleton, CO (United States)); Damuth, J.E. (Mobile Oil Co., Dallas, TX (United States)); Weimer, P. (Univ. of Colorado, Boulder (United States))

1991-03-01T23:59:59.000Z

344

Applying the basin model: Assessing habitat suitability of young-of-the-year demersal fishes on the New York Bight continental shelf  

Science Journals Connector (OSTI)

The extent to which young-of-the-year (YOY) fish habitats become saturated with new recruits has remained relatively unevaluated for temperate, demersal, continental shelf fishes. MacCall's [1990. Dynamic Geography of Marine Fish Populations. Washington Sea Grant Program, University of Washington Press, Seattle, Washington] basin model was used as a framework for examining the dynamics of an assemblage of recently settled fishes in relation to available microhabitat on the New York Bight continental shelf (USA). For four abundant species (three flatfish, one merlucciid hake), density-specific patterns of microhabitat selection, spatial dispersion and overall cross-shelf habitat use were investigated using a research submersible over three cross-shelf transects during the late summer settlement season. Typically, recruits that saturated YOY habitats (>1ind/m2) were randomly distributed within underwater transects and formed weak associations with specific microhabitats. At lower densities (<1ind/m2), recruit spacing tended toward nonrandom (clumped/even) with increasing significant affinities for ecologically important substrates (i.e. Limanda ferruginea, sand wave crests/low shell hash). For Citharichthys arctifrons, clumping appeared to increase with complexity of the habitat. Several less-abundant species (i.e. Urophycis chuss, Tautogolabrus adspersus) formed tight associations with rare habitat features and may consequently encounter the greatest bottleneck for space during the benthic/pelagic transition. Although restricted by the scale of observation, these results begin to elucidate the mechanisms by which habitat quality and quantity moderate recruitment on the continental shelf.

Mark C. Sullivan; Robert K. Cowen; Kenneth W. Able; Michael P. Fahay

2006-01-01T23:59:59.000Z

345

Historical conditions in mixed-conifer forests on the eastern slopes of the northern Oregon Cascade Range, USA  

Science Journals Connector (OSTI)

Abstract Historical forest conditions in frequent-fire forests may be increasingly useful in guiding contemporary forest management given (1) projections for increased drought stress associated with climate change and (2) increases in vertical and horizontal fuel connectivity related to changes in land use over the past 150years. Records from a 192225 timber inventory reveal historical variability at the landscape-level on mixed-conifer habitats on the eastern slopes of the Cascade Range in northern Oregon. Live conifers >15cm dbh (diameter at breast height) were tallied by species and diameter class in a 20% sample of over 50,000hectares (ha). Forests were predominantly low density (66tph, standard deviation=32, range=0289) relative to current conditions (312245, 01643tph). Historical basal area averaged 147 (070)m2ha?1. Total stand density, large tree (>53cm dbh) density, and ponderosa pine density were relatively stable across a wide moisture gradient (42187cm annual precipitation). Large trees dominated total basal area (7316%) and comprised 4217% of total trees per hectare (tph). Ponderosa pine contributed 6227% of basal area. Together, ponderosa pine and Douglas-fir constituted 9115% of basal area. Large ponderosa pine and Douglas-fir were nearly ubiquitous across the landscape in this historical data set, occurring on 94% and 83% of transects respectively. Large grand fir occurred on 20% of transects but contributed only 26% to large tree basal area. Higher-density values (>120tph), although rare, were distributed throughout the mixed-conifer habitat while large (>1.6ha) treeless (no conifers >15cmdbh) areas were almost entirely restricted to higher elevation, colder, wetter habitat types. Currently ponderosa pine no longer dominates large tree basal area, large trees no longer dominate total basal area, and Douglas-fir is now the dominant species across the landscape. Current mean tree densities are more than four times greater than values recorded in the historical cruise, and current basal area is approximately two times greater. Currently, large trees dominate basal area on only 29% of area inventoried compared to 91% in 192225. This systematic sample of a large landscape provides information about variability in species composition, densities, and structures at multiple spatial scales, which are highly relevant to management activities to restore and conserve desired ecosystem functions. Forest conditions comparable to those in this historical record have demonstrated resilience and resistance to fire and drought-related stressors in other frequent-fire forests.

R. Keala Hagmann; Jerry F. Franklin; K. Norman Johnson

2014-01-01T23:59:59.000Z

346

The Disruption of Vessel-Spanning Bubbles with Sloped Fins in Flat-Bottom and 2:1 Elliptical-Bottom Vessels  

SciTech Connect (OSTI)

Radioactive sludge was generated in the K-East Basin and K-West Basin fuel storage pools at the Hanford Site while irradiated uranium metal fuel elements from the N Reactor were being stored and packaged. The fuel has been removed from the K Basins, and currently, the sludge resides in the KW Basin in large underwater Engineered Containers. The first phase to the Sludge Treatment Project being led by CH2MHILL Plateau Remediation Company (CHPRC) is to retrieve and load the sludge into sludge transport and storage containers (STSCs) and transport the sludge to T Plant for interim storage. The STSCs will be stored inside T Plant cells that are equipped with secondary containment and leak-detection systems. The sludge is composed of a variety of particulate materials and water, including a fraction of reactive uranium metal particles that are a source of hydrogen gas. If a situation occurs where the reactive uranium metal particles settle out at the bottom of a container, previous studies have shown that a vessel-spanning gas layer above the uranium metal particles can develop and can push the overlying layer of sludge upward. The major concern, in addition to the general concern associated with the retention and release of a flammable gas such as hydrogen, is that if a vessel-spanning bubble (VSB) forms in an STSC, it may drive the overlying sludge material to the vents at the top of the container. Then it may be released from the container into the cells secondary containment system at T Plant. A previous study demonstrated that sloped walls on vessels, both cylindrical coned-shaped vessels and rectangular vessels with rounded ends, provided an effective approach for disrupting a VSB by creating a release path for gas as a VSB began to rise. Based on the success of sloped-wall vessels, a similar concept is investigated here where a sloped fin is placed inside the vessel to create a release path for gas. A key potential advantage of using a sloped fin compared to a vessel with a sloped wall is that a small fin decreases the volume of a vessel available for sludge storage by a very small fraction compared to a cone-shaped vessel. The purpose of this study is to quantify the capability of sloped fins to disrupt VSBs and to conduct sufficient tests to estimate the performance of fins in full-scale STSCs. Experiments were conducted with a range of fin shapes to determine what slope and width were sufficient to disrupt VSBs. Additional tests were conducted to demonstrate how the fin performance scales with the sludge layer thickness and the sludge strength, density, and vessel diameter based on the gravity yield parameter, which is a dimensionless ratio of the force necessary to yield the sludge to its weight.( ) Further experiments evaluated the difference between vessels with flat and 2:1 elliptical bottoms and a number of different simulants, including the KW container sludge simulant (complete), which was developed to match actual K-Basin sludge. Testing was conducted in 5-in., 10-in., and 23-in.-diameter vessels to quantify how fin performance is impacted by the size of the test vessel. The most significant results for these scale-up tests are the trend in how behavior changes with vessel size and the results from the 23-in. vessel. The key objective in evaluating fin performance is to determine the conditions that minimize the volume of a VSB when disruption occurs because this reduces the potential for material inside the STSC from being released through vents.

Gauglitz, Phillip A.; Buchmiller, William C.; Jenks, Jeromy WJ; Chun, Jaehun; Russell, Renee L.; Schmidt, Andrew J.; Mastor, Michael M.

2010-09-22T23:59:59.000Z

347

Advanced Oil Recovery Technologies for Improved Recovery from Slope Basin Clastic Reservoirs, Nash Draw Brushy Canyon Pool, Eddy County, NM  

SciTech Connect (OSTI)

The Nash Draw Brushy Canyon Pool in Eddy County New Mexico was a cost-shared field demonstration project in the U.S. Department of Energy Class III Program. A major goal of the Class III Program was to stimulate the use of advanced technologies to increase ultimate recovery from slope-basin clastic reservoirs. Advanced characterization techniques were used at the Nash Draw Pool (NDP) project to develop reservoir management strategies for optimizing oil recovery from this Delaware reservoir. The objective of the project was to demonstrate that a development program, which was based on advanced reservoir management methods, could significantly improve oil recovery at the NDP. Initial goals were (1) to demonstrate that an advanced development drilling and pressure maintenance program can significantly improve oil recovery compared to existing technology applications and (2) to transfer these advanced methodologies to other oil and gas producers. Analysis, interpretation, and integration of recently acquired geological, geophysical, and engineering data revealed that the initial reservoir characterization was too simplistic to capture the critical features of this complex formation. Contrary to the initial characterization, a new reservoir description evolved that provided sufficient detail regarding the complexity of the Brushy Canyon interval at Nash Draw. This new reservoir description was used as a risk reduction tool to identify 'sweet spots' for a development drilling program as well as to evaluate pressure maintenance strategies. The reservoir characterization, geological modeling, 3-D seismic interpretation, and simulation studies have provided a detailed model of the Brushy Canyon zones. This model was used to predict the success of different reservoir management scenarios and to aid in determining the most favorable combination of targeted drilling, pressure maintenance, well stimulation, and well spacing to improve recovery from this reservoir. An Advanced Log Analysis technique developed from the NDP project has proven useful in defining additional productive zones and refining completion techniques. This program proved to be especially helpful in locating and evaluating potential recompletion intervals, which has resulted in low development costs with only small incremental increases in lifting costs. To develop additional reserves at lower costs, zones behind pipe in existing wells were evaluated using techniques developed for the Brushy Canyon interval. These techniques were used to complete uphole zones in thirteen of the NDP wells. A total of 14 recompletions were done: four during 1999, four during 2000, two during 2001, and four during 2002-2003. These workovers added reserves of 332,304 barrels of oil (BO) and 640,363 MCFG (thousand cubic feet of gas) at an overall weighted average development cost of $1.87 per BOE (barrel of oil equivalent). A pressure maintenance pilot project in a developed area of the field was not conducted because the pilot area was pressure depleted, and the reservoir in that area was found to be compartmentalized and discontinuous. Economic analyses and simulation studies indicated that immiscible injection of lean hydrocarbon gas for pressure maintenance was not warranted at the NDP and would need to be considered for implementation in similar fields very soon after production has started. Simulation studies suggested that the injection of miscible carbon dioxide (CO{sub 2}) could recover significant quantities of oil at the NDP, but a source of low-cost CO{sub 2} was not available in the area. Results from the project indicated that further development will be under playa lakes and potash areas that were beyond the regions covered by well control and are not accessible with vertical wells. These areas, covered by 3-D seismic surveys that were obtained as part of the project, were accessed with combinations of deviated/horizontal wells. Three directional/horizontal wells have been drilled and completed to develop reserves under surface-restricted areas and potash mines. The third

Mark B. Murphy

2005-09-30T23:59:59.000Z

348

Resource Characterization and Quantification of Natural Gas-Hydrate and Associated Free-Gas Accumulations in the Prudhoe Bay - Kuparuk River Area on the North Slope of Alaska  

SciTech Connect (OSTI)

Natural gas hydrates have long been considered a nuisance by the petroleum industry. Hydrates have been hazards to drilling crews, with blowouts a common occurrence if not properly accounted for in drilling plans. In gas pipelines, hydrates have formed plugs if gas was not properly dehydrated. Removing these plugs has been an expensive and time-consuming process. Recently, however, due to the geologic evidence indicating that in situ hydrates could potentially be a vast energy resource of the future, research efforts have been undertaken to explore how natural gas from hydrates might be produced. This study investigates the relative permeability of methane and brine in hydrate-bearing Alaska North Slope core samples. In February 2007, core samples were taken from the Mt. Elbert site situated between the Prudhoe Bay and Kuparuk oil fields on the Alaska North Slope. Core plugs from those core samples have been used as a platform to form hydrates and perform unsteady-steady-state displacement relative permeability experiments. The absolute permeability of Mt. Elbert core samples determined by Omni Labs was also validated as part of this study. Data taken with experimental apparatuses at the University of Alaska Fairbanks, ConocoPhillips laboratories at the Bartlesville Technology Center, and at the Arctic Slope Regional Corporation's facilities in Anchorage, Alaska, provided the basis for this study. This study finds that many difficulties inhibit the ability to obtain relative permeability data in porous media-containing hydrates. Difficulties include handling unconsolidated cores during initial core preparation work, forming hydrates in the core in such a way that promotes flow of both brine and methane, and obtaining simultaneous two-phase flow of brine and methane necessary to quantify relative permeability using unsteady-steady-state displacement methods.

Shirish Patil; Abhijit Dandekar

2008-12-31T23:59:59.000Z

349

Application of Advanced Reservoir Characterization, Simulation, and Production Optimization Strategies to Maximize Recovery in Slope and Basin Clastic Reservoirs, West Texas (Delaware Basin), Class III  

SciTech Connect (OSTI)

The objective of this Class 3 project was demonstrate that detailed reservoir characterization of slope and basin clastic reservoirs in sandstone's of the Delaware Mountain Group in the Delaware Basin of West Texas and New Mexico is a cost effective way to recover oil more economically through geologically based field development. This project was focused on East Ford field, a Delaware Mountain Group field that produced from the upper Bell Canyon Formation (Ramsey sandstone). The field, discovered in 9160, is operated by Oral Petco, Inc., as the East Ford unit. A CO2 flood was being conducted in the unit, and this flood is the Phase 2 demonstration for the project.

Dutton, Shirley P.; Flanders, William A.; Mendez, Daniel L.

2001-05-08T23:59:59.000Z

350

Advanced Oil Recovery Technologies for Improved Recovery from Slope Basin Clastic Reservoirs, Nash Draw Brushy Canyon Pool, Eddy County, New Mexico, Class III  

SciTech Connect (OSTI)

The Nash Draw Brushy Canyon Pool (NDP) is southeast New Mexico is one of the nine projects selected in 1995 by the U.S. Department of Energy (DOE) for participation in the Class III Reservoir Field Demonstration Program. The goals of the DOE cost-shared Class Program are to: (1) extend economic production, (2) increase ultimate recovery, and (3) broaden information exchange and technology application. Reservoirs in the Class III Program are focused on slope-basin and deep-basin clastic depositional types.

Murphy, Mark B.

2000-10-25T23:59:59.000Z

351

Outer Continental Shelf Production  

U.S. Energy Information Administration (EIA) Indexed Site

Reference case projections. 3 The complete AEO2014, which was released in May, includes alternative assumptions regarding resources, technology advances, and world energy prices...

352

ENDANGERED SPECIES ACT -SECTION 7 CONSULTATION BIOLOGICAL OPINION  

E-Print Network [OSTI]

Laboratory, the North Slope Borough, the Alaska Eskimo Whaling Commission, and the traditional knowledge Service National Marine Fisheries Service ACTIVITY: Oil and Gas Leasing and Exploration Activities effects of oil and gas leasing and exploration in the U. S. Beaufort Sea and Chukchi Seas

353

Contact: Monica Allen FOR IMMEDIATE RELEASE 301-427-8003 December 22, 2011  

E-Print Network [OSTI]

will travel to eight North Slope communities to hold public hearings in late January and February on the draft on draft environmental impact statement on Arctic oil and gas exploration NOAA is seeking public comment on a draft environmental impact statement describing how offshore oil and gas activities in the U.S. Beaufort

354

Distribution of marine birds on the mid- and North-Atlantic US outer continental shelf. Technical progress report, January 1978-July 1980  

SciTech Connect (OSTI)

The species composition, distribution, and abundance of marine birds on continental shelf waters from Cape Hatteras to the Bay of Fundy were examined using ships-of-opportunity. Northern Fulmar, Cory's Shearwater, Greater Shearwater, Sooty Shearwater, Wilson's Storm-Petrel, Gannet, Red Phalarope, Great Black-backed Gull, Herring Gull, and Black-legged Kittiwake were the most abundant and common species. These species were ecologically dominant within the bird community in numbers and biomass. Georges Bank and Gulf of Marine regions generally had greatest estimates of standing stock and biomass; whereas, in the Middle Atlantic region these estimates were consistently lowest. Species diversity throughout the study area was greatest in spring and least in fall. Oceanic fronts at the continental shelf break and at Nantucket Shoals influenced the distribution of Wilson's Storm-Petrels and Red Phalaropes. Fishing activities were particularly important to Larus gull distribution. Fishes, squids, and crustaceans were the most important groups of prey items in diets of nine bird species. An oiled bird or pollution index was developed. According to the index, frequency of oiled birds was greatest in winter and spring, and gulls made up the majority of species with oiled plumages.

Powers, K.D.; Pittman, G.L.; Fitch, S.J.

1980-09-01T23:59:59.000Z

355

Phase Behavior, Solid Organic Precipitation, and Mobility Characterization Studies in Support of Enhanced Heavy Oil Recovery on the Alaska North Slope  

SciTech Connect (OSTI)

The medium-heavy oil (viscous oil) resources in the Alaska North Slope are estimated at 20 to 25 billion barrels. These oils are viscous, flow sluggishly in the formations, and are difficult to recover. Recovery of this viscous oil requires carefully designed enhanced oil recovery processes. Success of these recovery processes is critically dependent on accurate knowledge of the phase behavior and fluid properties, especially viscosity, of these oils under variety of pressure and temperature conditions. This project focused on predicting phase behavior and viscosity of viscous oils using equations of state and semi-empirical correlations. An experimental study was conducted to quantify the phase behavior and physical properties of viscous oils from the Alaska North Slope oil field. The oil samples were compositionally characterized by the simulated distillation technique. Constant composition expansion and differential liberation tests were conducted on viscous oil samples. Experiment results for phase behavior and reservoir fluid properties were used to tune the Peng-Robinson equation of state and predict the phase behavior accurately. A comprehensive literature search was carried out to compile available compositional viscosity models and their modifications, for application to heavy or viscous oils. With the help of meticulously amassed new medium-heavy oil viscosity data from experiments, a comparative study was conducted to evaluate the potential of various models. The widely used corresponding state viscosity model predictions deteriorate when applied to heavy oil systems. Hence, a semi-empirical approach (the Lindeloff model) was adopted for modeling the viscosity behavior. Based on the analysis, appropriate adjustments have been suggested: the major one is the division of the pressure-viscosity profile into three distinct regions. New modifications have improved the overall fit, including the saturated viscosities at low pressures. However, with the limited amount of geographically diverse data, it is not possible to develop a comprehensive predictive model. Based on the comprehensive phase behavior analysis of Alaska North Slope crude oil, a reservoir simulation study was carried out to evaluate the performance of a gas injection enhanced oil recovery technique for the West Sak reservoir. It was found that a definite increase in viscous oil production can be obtained by selecting the proper injectant gas and by optimizing reservoir operating parameters. A comparative analysis is provided, which helps in the decision-making process.

Shirish Patil; Abhijit Dandekar; Santanu Khataniar

2008-12-31T23:59:59.000Z

356

DOE/EA-1596: Finding of No Significant Impact for Belfield to Rhame Transmission Line Project Stark, Slope, and Bowman Counties, North Dakota (02/18/09)  

Broader source: Energy.gov (indexed) [DOE]

WESTERN AREA POWER ADMINISTRATION WESTERN AREA POWER ADMINISTRATION UPPER GREAT PLAINS CUSTOMER SERVICE REGION FINDING OF NO SIGNIFICANT IMPACT Belfield to Rhame Transmission Line Project Stark, Slope, and Bowman Counties, North Dakota DOEIEA-1596 AGENCY: U.S. Department of Energy (DOE), Western Area Power Administration (Western) ACTION: Finding of No Significant Impact SUMMARY: Basin Electric Power Cooperative (Basin) has requested to interconnect their proposed new Belfield to Rhame 230-kilovolt (kV) transmission line and new Rhame Substation (Project) to the Western Area Power Administration's (Western) transmission system at Western's existing Belfield Substation. Under its Open Access Transmission Service Tariff (Tariff), Western is required to respond to Basin's interconnection requests. Western's Tariff

357

Thermodynamic and optical analysis for a CPV/T hybrid system with beam splitter and fully tracked linear Fresnel reflector concentrator utilizing sloped panels  

Science Journals Connector (OSTI)

Abstract Spectral splitting technology that separates solar spectrum into several parts and enables different energy conversions such as photovoltaic (PV) conversion and photo-thermal conversion aims to utilize the full spectrum solar energy efficiently. A novel concentrating PV/Thermal (CPV/T) hybrid system with beam splitter and fully tracked linear Fresnel reflector concentrator utilizing sloped panels was proposed in this study. The relations between the structural parameters and the optical performances of the system were investigated. The concentrated radiation distribution on the PV device surface was simulated by taking into account the main optical errors and shows a good uniformity. Based on the experimental data of the components, thermodynamic analysis on the CPV/T hybrid system was carried out and the results reveal that the overall energy conversion efficiencies of the proposed CPV/T hybrid system is higher than that of the CPV system under the same conditions.

Yang Liu; Peng Hu; Qian Zhang; Zeshao Chen

2014-01-01T23:59:59.000Z

358

Evaluation of a deposit in the vicinity of the PBU L-106 Site, North Slope, Alaska, for a potential long-term test of gas production from hydrates  

SciTech Connect (OSTI)

As part of the effort to investigate the technical feasibility of gas production from hydrate deposits, a long-term field test (lasting 18-24 months) is under consideration in a project led by the U.S. Department of Energy. We evaluate a candidate deposit involving the C-Unit in the vicinity of the PBU-L106 site in North Slope, Alaska. This deposit is stratigraphically bounded by impermeable shale top and bottom boundaries (Class 3), and is characterized by high intrinsic permeabilities, high porosity, high hydrate saturation, and a hydrostatic pressure distribution. The C-unit deposit is composed of two hydrate-bearing strata separated by a 30-ft-thick shale interlayer, and its temperatrure across its boundaries ranges between 5 and 6.5 C. We investigate by means of numerical simulation involving very fine grids the production potential of these two deposits using both vertical and horizontal wells. We also explore the sensitivity of production to key parameters such as the hydrate saturation, the formation permeability, and the permeability of the bounding shale layers. Finally, we compare the production performance of the C-Unit at the PBU-L106 site to that of the D-Unit accumulation at the Mount Elbert site, a thinner, single-layer Class 3 deposit on the North Slope of Alaska that is shallower, less-pressurized and colder (2.3-2.6 C). The results indicate that production from horizontal wells may be orders of magnitude larger than that from vertical ones. Additionally, production increases with the formation permeability, and with a decreasing permeability of the boundaries. The effect of the hydrate saturation on production is complex and depends on the time frame of production. Because of higher production, the PBU-L106 deposit appears to have an advantage as a candidate for the long-term test.

Moridis, G.J.; Reagan, M.T.; Boyle, K.L.; Zhang, K.

2010-05-01T23:59:59.000Z

359

Assessment of costs and benefits of flexible and alternative fuel use in the US transportation sector. Technical report twelve: Economic analysis of alternative uses for Alaskan North Slope natural gas  

SciTech Connect (OSTI)

As part of the Altemative Fuels Assessment, the Department of Energy (DOE) is studying the use of derivatives of natural gas, including compressed natural gas and methanol, as altemative transportation fuels. A critical part of this effort is determining potential sources of natural gas and the economics of those sources. Previous studies in this series characterized the economics of unutilized gas within the lower 48 United States, comparing its value for methanol production against its value as a pipelined fuel (US Department of Energy 1991), and analyzed the costs of developing undeveloped nonassociated gas reserves in several countries (US Department of Energy 1992c). This report extends those analyses to include Alaskan North Slope natural gas that either is not being produced or is being reinjected. The report includes the following: A description of discovered and potential (undiscovered) quantities of natural gas on the Alaskan North Slope. A discussion of proposed altemative uses for Alaskan North Slope natural gas. A comparison of the economics of the proposed alternative uses for Alaskan North Slope natural gas. The purpose of this report is to illustrate the costs of transporting Alaskan North Slope gas to markets in the lower 48 States as pipeline gas, liquefied natural gas (LNG), or methanol. It is not intended to recommend one alternative over another or to evaluate the relative economics or timing of using North Slope gas in new tertiary oil recovery projects. The information is supplied in sufficient detail to allow incorporation of relevant economic relationships (for example, wellhead gas prices and transportation costs) into the Altemative Fuels Trade Model, the analytical framework DOE is using to evaluate various policy options.

Not Available

1993-12-01T23:59:59.000Z

360

Mathis, J. T. et al., (2012). Storm-induced upwelling of high pCO2 waters onto the continental shelf of the western Arctic Ocean and implications for carbonate mineral saturation states. Geophysical  

E-Print Network [OSTI]

Mathis, J. T. et al., (2012). Storm-induced upwelling of high pCO2 waters onto the continental. Zhao, and G. Vargo (2011). Did the northeastern Gulf of Mexico become greener after the Deepwater-driven sediment transport on sediment accumulation in the Cariaco Basin, Venezuela. Marine Geology. Muhling, B

Meyers, Steven D.

Note: This page contains sample records for the topic "beaufort continental slope" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


361

On the connection between continental-scale land surface processes and the tropical climate in a coupled ocean-atmosphere-land system  

SciTech Connect (OSTI)

The impact of global tropical climate to perturbations in land surface processes (LSP) are evaluated using perturbations given by different LSP representations of continental-scale in a global climate model that includes atmosphere-ocean interactions. One representation is a simple land scheme, which specifies climatological albedos and soil moisture availability. The other representation is the more comprehensive Simplified Simple Biosphere Model, which allows for interactive soil moisture and vegetation biophysical processes. The results demonstrate that LSP processes such as interactive soil moisture and vegetation biophysical processes have strong impacts on the seasonal mean states and seasonal cycles of global precipitation, clouds, and surface air temperature. The impact is especially significant over the tropical Pacific. To explore the mechanisms for such impact, different LSP representations are confined to selected continental-scale regions where strong interactions of climate-vegetation biophysical processes are present. We find that the largest impact is mainly from LSP perturbations over the tropical African continent. The impact is through anomalous convective heating in tropical Africa due to changes in the surface heat fluxes, which in turn affect basinwide teleconnections in the Pacific through equatorial wave dynamics. The modifications in the equatorial Pacific climate are further enhanced by strong air-sea coupling between surface wind stress and upwelling, as well as effect of ocean memory. Our results further suggest that correct representations of land surface processes, land use change and the associated changes in the deep convection over tropical Africa are crucial to reducing the uncertainty when performing future climate projections under different climate change scenarios.

Ma, Hsi-Yen; Mechoso, C. R.; Xue, Yongkang; Xiao, Heng; Neelin, David; Ji, Xuan

2013-11-15T23:59:59.000Z

362

Application of Advanced Reservoir Characterization, Simulation, and Production Optimization Strategies to Maximize Recovery in Slope and Basin Clastic Reservoirs, West Texas (Delaware Basin)  

SciTech Connect (OSTI)

The objective of this Class III project is to demonstrate that detailed reservoir characterization of slope and basin clastic reservoirs in sandstones of the Delaware Mountain Group in the Delaware Basin of West Texas and New Mexico is a cost-effective way to recover a higher percentage of the original oil in place through geologically based field development. This year the project focused on reservoir characterization of the East Ford unit, a representative Delaware Mountain Group field that produces from the upper Bell Canyon Formation (Ramsey Sandstone). The field, discovered in 1960, is operated by Orla Petco, Inc., as the East Ford unit; it contained an estimated 19.8 million barrels (MMbbl) of original oil in place. Petrophysical characterization of the East Ford unit was accomplished by integrating core and log data and quantifying petrophysical properties from wireline logs. Most methods of petrophysical analysis that had been developed during an earlier study of the Ford Geraldine unit were successfully transferred to the East Ford unit. The approach that was used to interpret water saturation from resistivity logs, however, had to be modified because in some East Ford wells the log-calculated water saturation was too high and inconsistent with observations made during the actual production. Log-porosity to core-porosity transforms and core-porosity to core-permeability transforms were derived from the East Ford reservoir. The petrophysical data were used to map porosity, permeability, net pay, water saturation, mobil-oil saturation, and other reservoir properties.

Dutton, S.P.; Flanders, W.A.; Guzman, J.I.; Zirczy, H.

1999-06-08T23:59:59.000Z

363

Structural restoration of Louann Salt and overlying sediments, De Soto Canyon Salt Basin, northeastern Gulf of Mexico  

E-Print Network [OSTI]

The continental margin of the northeastern Gulf of Mexico is suited for seismic stratigraphic analysis and salt tectonism analysis. Jurassic strata include the Louann Salt on the continental shelf and upper slope of the Destin Dome OCS area...

Guo, Mengdong

2012-06-07T23:59:59.000Z

364

Application of advanced reservoir characterization, simulation, and production optimization strategies to maximize recovery in slope and basin clastic reservoirs, West Texas (Delaware Basin). Technical progress report  

SciTech Connect (OSTI)

The objective of this project is to demonstrate that detailed reservoir characterization of slope and basin clastic reservoirs in sandstones of the Delaware Mountain Group in the Delaware Basin of West Texas and New Mexico is a cost effective way to recover a higher percentage of the original oil in place through strategic placement of infill wells and geologically based field development. Project objectives are divided into two major phases. The objectives of the reservoir characterization phase of the project are to provide a detailed understanding of the architecture and heterogeneity of two fields, the Ford Geraldine unit and Ford West field, which produce from the Bell Canyon and Cherry Canyon Formations, respectively, of the Delaware Mountain Group and to compare Bell Canyon and Cherry Canyon reservoirs. Reservoir characterization will utilize 3-D seismic data, high-resolution sequence stratigraphy, subsurface field studies, outcrop characterization, and other techniques. One the reservoir-characterization study of both field is completed, a pilot area of approximately 1 mi{sup 2} in one of the fields will be chosen for reservoir simulation. The objectives of the implementation phase of the project are to: (1) apply the knowledge gained from reservoir characterization and simulation studies to increase recovery from the pilot area; (2) demonstrate that economically significant unrecovered oil remains in geologically resolvable untapped compartments; and (3) test the accuracy of reservoir characterization and flow simulation as predictive tools in resource preservation of mature fields. A geologically designed, enhanced recovery program (CO{sub 2} flood, waterflood, or polymer flood) and well-completion program will be developed, and one to three infill well will be drilled and cored. Technical progress is summarized for: geophysical characterization; reservoir characterization; outcrop characterization; and producibility problem characterization.

Dutton, S.P.

1996-04-30T23:59:59.000Z

365

ARM - Midlatitude Continental Convective Clouds Experiment (MC3E): Multi-Frequency Profilers, S-band Radar (williams-s_band)  

DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]

This data was collected by the NOAA 449-MHz and 2.8-GHz profilers in support of the Department of Energy (DOE) and NASA sponsored Mid-latitude Continental Convective Cloud Experiment (MC3E). The profiling radars were deployed in Northern Oklahoma at the DOE Atmospheric Radiation Mission (ARM) Southern Great Plans (SGP) Central Facility from 22 April through 6 June 2011. NOAA deployed three instruments: a Parsivel disdrometer, a 2.8-GHz profiler, and a 449-MHz profiler. The parasivel provided surface estimates of the raindrop size distribution and is the reference used to absolutely calibrate the 2.8 GHz profiler. The 2.8-GHz profiler provided unattenuated reflectivity profiles of the precipitation. The 449-MHz profiler provided estimates of the vertical air motion during precipitation from near the surface to just below the freezing level. By using the combination of 2.8-GHz and 449-MHz profiler observations, vertical profiles of raindrop size distributions can be retrieved. The profilers are often reference by their frequency band: the 2.8-GHz profiler operates in the S-band and the 449-MHz profiler operates in the UHF band. The raw observations are available as well as calibrated spectra and moments. This document describes how the instruments were deployed, how the data was collected, and the format of the archived data.

Christopher Williams

366

ARM - Midlatitude Continental Convective Clouds Experiment (MC3E): Multi-Frequency Profilers, S-band Radar (williams-s_band)  

SciTech Connect (OSTI)

This data was collected by the NOAA 449-MHz and 2.8-GHz profilers in support of the Department of Energy (DOE) and NASA sponsored Mid-latitude Continental Convective Cloud Experiment (MC3E). The profiling radars were deployed in Northern Oklahoma at the DOE Atmospheric Radiation Mission (ARM) Southern Great Plans (SGP) Central Facility from 22 April through 6 June 2011. NOAA deployed three instruments: a Parsivel disdrometer, a 2.8-GHz profiler, and a 449-MHz profiler. The parasivel provided surface estimates of the raindrop size distribution and is the reference used to absolutely calibrate the 2.8 GHz profiler. The 2.8-GHz profiler provided unattenuated reflectivity profiles of the precipitation. The 449-MHz profiler provided estimates of the vertical air motion during precipitation from near the surface to just below the freezing level. By using the combination of 2.8-GHz and 449-MHz profiler observations, vertical profiles of raindrop size distributions can be retrieved. The profilers are often reference by their frequency band: the 2.8-GHz profiler operates in the S-band and the 449-MHz profiler operates in the UHF band. The raw observations are available as well as calibrated spectra and moments. This document describes how the instruments were deployed, how the data was collected, and the format of the archived data.

Williams, Christopher

2012-11-06T23:59:59.000Z

367

Hydrothermal brecciation in the Jemez Fault zone, Valles Caldera, New Mexico: Results from CSDP (Continental Scientific Drilling Program) corehole VC-1  

SciTech Connect (OSTI)

Paleozoic and Precambrian rocks intersected deep in Continental Scientific Drilling Program corehole VC-1, adjacent to the late Cenozoic Valles caldera complex, have been disrupted to form a spectacular breccia sequence. The breccias are of both tectonic and hydrothermal origin, and probably formed in the Jemez fault zone, a major regional structure with only normal displacement since mid-Miocene. Tectonic breccias are contorted, crushed, sheared, and granulated; slickensides are commmon. Hydrothermal breccias, by contrast, lack these frictional textures, but arej commonly characterized by fluidized matrix foliation and prominent clast rounding. Fluid inclusions in the hydrothermal breccias are dominantly two-phase, liquid-rich at room temperature, principally secondary, and form two distinctly different compositional groups. Older inclusions, unrelated to brecciation, are highly saline and homogenize to the liquid phase in the temperature range 189 to 246/sup 0/C. Younger inclusions, in part of interbreccia origin, are low-salinity and homogenize (also to liquid) in the range 230 to 283/sup 0/C. Vapor-rich inclusions locally trapped along with these dilute liquid-rich inclusions document periodic boiling. These fluid-inclusion data, together with alteration assemblages and textures as well as the local geologic history, have been combined to model hydrothermal brecciation at the VC-1 site.

Hulen, J.B.; Nielson, D.L.

1987-06-01T23:59:59.000Z

368

E-Print Network 3.0 - ancient peru abridged Sample Search Results  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

lower slope of the Peru continental margin... deposit con- taining high concentrations of methane and gas hydrates in the Peru Trench (Ocean Drilling... in the Peru Trench will...

369

, 20130047, published 2 June 20143722014Phil. Trans. R. Soc. A Walker Smith  

E-Print Network [OSTI]

, Martin Wadley, Andrew F. Karen J. Heywood, Sunke Schmidtko, Céline Heuzé, Jan Kaiser, Timothy D. slope processes at the Antarctic continental slope Karen J. Heywood , Sunke Schmidtko , Céline Heuzé , Jan Kaiser

Thompson, Andrew

370

The transition zone between the oceanic and shelf regimes around Antarctica  

E-Print Network [OSTI]

To better understand and describe the Antarctic Slope Front at the Antarctic continental slope, the water masses near Antarctica are examined and their spatial distributions are described. Antarctic Surface Water over the Antarctic shelf regime...

Kim, Seong-Joong

2012-06-07T23:59:59.000Z

371

Outer Continental Shelf oil and gas activities in the Gulf of Alaska (including Lower Cook Inlt) and their onshore impacts: a summary report, September 1980  

SciTech Connect (OSTI)

The search for oil and gas on the Outer Continental Shelf (OCS) in the Gulf of Alaska subregion of the Alaska leasing region began in 1967, when geophysical surveys of the area were initiated. Two lease sales have been held in the subregion. Lease Sale 39, for the Northern Gulf of Alaska, was held on April 13, 1976, and resulted in the leasing of 76 tracts. Lease Sale CI, for Lower Cook Inlet, was held on October 27, 1977, and resulted in the leasing of 87 tracts. Exploratory drilling on the tracts leased in Sale 39 began in September 1976, and exploratory drilling on tracts leased in Sale CI began in July 1978. Commercial amounts of hydrocarbons have not been found in any of the wells drilled in either sale area. Seventy-four of the leases issued in the Northern Gulf of Alaska have been relinquished. As of June 1980, exploratory drilling in both areas had ceased, and none was planned for the near future. The next lease sale in the Gulf of Alaska, Sale 55, is scheduled for October 1980. Lease Sale 60 (Lower Cook Inlet and Shelikof Strait) is scheduled for September 1981, and Lease Sale 61 (OCS off Kodiak Island) is scheduled for April 1983. Sale 60 will be coordinated with a State lease sale in adjacent State-owned waters. The most recent estimates (June 1980) by the US Geological Survey of risked, economically recoverable resources for the 2 tracts currently under lease in the Northern Gulf of Alaska are negligible. For the 87 tracts currently under lease in Lower Cook Inlet, the USGS has produced risked, economically recoverable resource estimates of 35 million barrels of oil and 26 billion cubic feet of gas. These resource estimates for the leased tracts in both areas are short of commercially producible amounts. Onshore impacts from OCS exploration have been minimal. Two communities - Yakutat and Seward - served as support bases for the Northern Gulf of Alaska.

Jackson, J.B.; Dorrier, R.T.

1980-01-01T23:59:59.000Z

372

Sea level control on facies architecture of incised valley-fill sequences: case study of Sabine and Trinity valleys, Texas Continental Shelf  

SciTech Connect (OSTI)

The rate of sea level rise likely has varied during the late Wisconsinan-Holocene transgression. The authors are investigating the sea level history of the northwest Gulf of Mexico by examining the sequence stratigraphy of incised valleys on the Texas continental shelf. Glaciologists argue that mass wasting of marine ice sheets can cause rapid and episodic relative sea level (RSL) rises on the order of 5 m/100 years. Such an event would produce a large (/approx/25 km) landward translation of the shoreline on low-gradient shelves like that of north Texas. RSL rise events are expected to be manifested as discontinuities in valley-fill sedimentation and as changes in valley shape. Nearly 1000 km of high-resolution seismic profiles collected in an area extending from Sabine Pass to Galveston and to 60 km offshore were integrated with engineering borings, vibracores, and piston cores; these data allow mapping of incised valleys and valley-fill facies associated with the ancestral Sabine and Trinity rivers. An RSL rise event is characterized by a change from slow rate of rise to rapid and back to slow. The period of rapid rise produces a major flooding surface; bayhead delta development is suppressed, and lower estuarine or marine deposits lie directly on fluvial deposits. Because accommodation increases as rapidly as RSL rises, valley-fill deposition is limited to the original, deeply incised valley. In map view, the valley appears relatively straight and narrow. The valley just offshore Galveston Island represents this situation. During a period of slow rise, bayhead deltas prograde and downlap onto estuarine deposits. In this case, sediments may completely fill the original incised valley, and the river supplying this valley may meander beyond previous valley edges. In map view, such a valley will be broad and irregular in shape, much like modern Galveston Bay.

Thomas, M.A.; Anderson, J.B.; Smyth, W.

1989-03-01T23:59:59.000Z

373

Scientific Publishing in Continental Europe  

Science Journals Connector (OSTI)

...books appear. One dealer lists for sale Benjamin Franklin, Yankee from Olympus, and George Washington Carver. Another advertises...ap-pointed associate professor of zoology at the University of Vermont, effective in August. J. H. Quastel, British scientist...

Charles Harvey Brown

1947-07-18T23:59:59.000Z

374

Extracted from: Continental Lower Crust  

E-Print Network [OSTI]

data illustrate our gaps in complete knowledge of the state and composition of the CLC. Generally that exists today, and as such are dependent on the current state and composition of the CLC, rather than its state at formation or as a consequence of tectonic or metamorphic activity as are petrological studies

Jones, Alan G.

375

Continental geotherms during the Archaean  

Science Journals Connector (OSTI)

... for, these data are still useful in that they give an upper limit to the geothermal gradient in thickened Archaean crust5'6. This is self-evident if the overthick crust ... depth in the overthick crust.

P. C. ENGLAND

1979-02-15T23:59:59.000Z

376

The continental layers of Europe  

Science Journals Connector (OSTI)

...in the Love-wave equation. TIIE COI~TIIqENTAL LAYERS OF EUI~OFE 271 DISCUSSIONOF RESULTS The suggestion that the intermediate...of Sciences, 44:2-12 (1941). THE CONTINENTALLAYERSOF EUI%OPE 273 that in the neighborhood of Hawaii the regional compensation...

Robert Stoneley

377

ARM - Midlatitude Continental Convective Clouds  

DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]

Convective processes play a critical role in the Earth's energy balance through the redistribution of heat and moisture in the atmosphere and their link to the hydrological cycle. Accurate representation of convective processes in numerical models is vital towards improving current and future simulations of Earths climate system. Despite improvements in computing power, current operational weather and global climate models are unable to resolve the natural temporal and spatial scales important to convective processes and therefore must turn to parameterization schemes to represent these processes. In turn, parameterization schemes in cloud-resolving models need to be evaluated for their generality and application to a variety of atmospheric conditions. Data from field campaigns with appropriate forcing descriptors have been traditionally used by modelers for evaluating and improving parameterization schemes.

Jensen, Mike; Bartholomew, Mary Jane; Genio, Anthony Del; Giangrande, Scott; Kollias, Pavlos

378

The design, installation, and performance of a berm-supported exploration structure in the Beaufort Sea  

SciTech Connect (OSTI)

The design, installation, and performance of a berm-supported exploration structure in a dynamic ice environment is presented. Details are provided on design considerations which include horizontal ice loads, wave loads, seismic considerations, foundation characteristics and extreme temperatures. The development of specifications and installation techniques to account for these design concerns is presented. A case history is presented which includes a discussion of on-site modifications to the idealized placement technique, which were necessitated by extreme ice conditions. The success of this modified placement technique is confirmed through a review of the unit performance during the drilling season, and the response of the structure to dynamic ice and drilling-related activity is examined.

Hewitt, K.J.; Berzing, W.E.; Fitzpatrick, J.P.; Hogeboom, H.G.

1985-06-01T23:59:59.000Z

379

Assessing the Predictability of the Beaufort Sea Minimum Ice Extent in a Changing Arctic Climate Regime  

E-Print Network [OSTI]

Understanding the climatic drivers of changes in sea ice extent in the Arctic has become increasingly important as record minima in the September sea ice extent continue to be reached. This research therefore addresses the question of which synoptic...

Quirk, Laura Marie

2014-04-25T23:59:59.000Z

380

Characteristics of oil industry dredge and drilling sounds in the Beaufort Sea  

Science Journals Connector (OSTI)

As part of a general study of underwater industrial noises and their effects on bowhead whales sounds from drilling and dredging operations were measured in the shallow waters (drilling drilling at a caisson?retained island transfer dredges and hopper dredges. Results are presented in spectrum graphs as sound pressure levels in third?octave and octave bands and as overall levels in the 20? to 1000?Hz band. Most energy from these sources was below 1000 Hz. The weakest drilling/dredging soundsmeasured came from a drillship performing logging operations (122125 dB r e:1 ?Pa 201000 Hz range 0.17 km). The strongest sounds came from a hopper dredge underway with a damaged propeller (150 dB range 0.46 km). Measured data were used to derive regression equations for received sound level versus range. In these shallow waters the overall noise (20? to 1000?Hz band) from most drilling and dredging operations would be at levels below the median ambient noise (99 dB) at ranges greater than 30 km.

Charles R. Greene Jr.

1987-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "beaufort continental slope" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


381

port of the Bureau of Commercial Fisheries ological Laboratory, Beaufort, N.C.  

E-Print Network [OSTI]

- -1966. 7 Mortality of adult shad in the Holyoke Water Power Company Canal System- -1966. · · · · · · · · · · · · · · · · · · · · · · 6 Operation of Hadley Falls Dam fish lift- -1 9 66. 6 Collection of shad eggs above Hadley Falls Dam ......... ....... . ............... ..........Administration and Maintenance Meetings and training programs .......................... Publications

382

Brian Taggart NOAA Aircraft Operations Center  

E-Print Network [OSTI]

Cetaceans on the upper continental slope in the north-central Gulf of Mexico Keith D. Mullin Wayne Hoggard structures have been in use for oil and gas production. Mineral devel- opment on the continental slope surveys in the oceanic north-central Gulf

383

Ammodiscus anulatus, a new species of benthic foraminifera from the Colombian Basin  

E-Print Network [OSTI]

Ammodiscus anulatus, a new species of benthic foraminifera from the Colombian Basin Flavia Fiorini in seafloor sediment from the Colombian Caribbean continental slope. Ammodiscus anulatus n. sp of the sampling points along the continental slope of Fuerte area, Colombian Basin. #12;Research conducted

Bermingham, Eldredge

384

Optimization modelling of the impacts of a Severn Barrage for a two-way generation scheme using a Continental Shelf model  

Science Journals Connector (OSTI)

Abstract The Severn Estuary has the world's second largest tide range and a barrage across the estuary, located just seawards of Cardiff in Wales and Weston in the South West England, has been proposed for over half a century, with the objective of extracting large amounts of tidal energy. A Severn Barrage, as previously proposed by the Severn Tidal Power Group (STPG), would be the largest renewable energy project for tidal power generation in the world, if built as proposed, and would generate approximately 5% of the UK's electricity needs. However, concerns have been raised over the environmental impacts of such a barrage, including potential increase in flood risk, loss of intertidal habitats etc. In addressing the challenges of maximizing the energy output and minimizing the environmental impacts of such a barrage, this research study has focused on using a Continental Shelf model, based on the modified Environmental Fluid Dynamics Code (EFDC) with a barrage operation module (EFDC_B), to investigate both the far and near field hydrodynamic impacts of a barrage for different operating scenarios. Three scenarios have been considered to simulate the Severn Barrage, operating via two-way generation and using different combinations of turbines and sluices. The first scenario consisted of 216 turbines and 166 sluices installed along the barrage; the second consisted of 382 turbines with no sluices; and the third consisted of 764 turbines and no sluices. The specification of the sluice gates and turbines are the same for all scenarios. The model results indicate that the third scenario has the best mitigating effects for the far-field and near-field flood risks caused by a barrage and produces the most similar results of minimum water depth and maximum velocity distributions to those obtained from simulating the natural conditions of the estuary, i.e. the current conditions. The results also show that the flow patterns around the barrage are closest to those for the existing natural conditions with minimal slight changes in the estuary. Thus, the results clearly indicate that the environmental impacts of a Severn Barrage can be minimized if the barrage is operated for two-way generation and under the third scenario. Although it appears that the energy output for the third scenario is less than that obtained for the other two scenarios, if very low head (VLH) turbines are used, then the third scenario could generate more energy as more turbines could be cited along the barrage structure. Therefore, the study shows that a Severn Barrage, operating in two-way generation and with 764 turbines (ideally VLH turbines), would be the best option to meet the needs of maximizing the energy output, but having a minimal impact on environmental changes in the estuary and far-field.

Juntao Zhou; Shunqi Pan; Roger A. Falconer

2014-01-01T23:59:59.000Z

385

THE EVOLUTION OF THE REST-FRAME V-BAND LUMINOSITY FUNCTION FROM z = 4: A CONSTANT FAINT-END SLOPE OVER THE LAST 12 Gyr OF COSMIC HISTORY  

SciTech Connect (OSTI)

We present the rest-frame V-band luminosity function (LF) of galaxies at 0.4 {<=} z < 4.0, measured from a near-infrared selected sample constructed from the NMBS, the FIRES, the FIREWORKS, and the ultra-deep NICMOS and WFC3 observations in the HDFN, HUDF, and GOODS-CDFS, all having high-quality optical-to-mid-infrared data. This unique sample combines data from surveys with a large range of depths and areas in a self-consistent way, allowing us to (1) minimize the uncertainties due to cosmic variance; and (2) simultaneously constrain the bright and faint ends with unprecedented accuracy over the targeted redshift range, probing the LF down to 0.1L* at z {approx} 3.9. We find that (1) the faint end is fairly flat and with a constant slope from z = 4, with {alpha} = -1.27 {+-} 0.05; (2) the characteristic magnitude has dimmed by 1.3 mag from z {approx} 3.7 to z = 0.1; (3) the characteristic density has increased by a factor of {approx}8 from z {approx} 3.7 to z = 0.1, with 50% of this increase from z {approx} 4 to z {approx} 1.8; and (4) the luminosity density peaks at z Almost-Equal-To 1-1.5, increasing by a factor of {approx}4 from z = 4.0 to z Almost-Equal-To 1-1.5, and subsequently decreasing by a factor of {approx}1.5 by z = 0.1. We find no evidence for a steepening of the faint-end slope with redshift out to z = 4, in contrast with previous observational claims and theoretical predictions. The constant faint-end slope suggests that the efficiency of stellar feedback may evolve with redshift. Alternative interpretations are discussed, such as different masses of the halos hosting faint galaxies at low and high redshifts and/or environmental effects.

Marchesini, Danilo [Department of Physics and Astronomy, Tufts University, Medford, MA 02155 (United States); Stefanon, Mauro [Observatori Astronomic Universitat de Valencia, C/Catedratico Agustin Escardino Benlloch, 7, 46980, Valencia (Spain); Brammer, Gabriel B. [European Southern Observatory (ESO), Santiago (Chile); Whitaker, Katherine E. [Department of Astronomy, Yale University, New Haven, CT 06520 (United States)

2012-04-01T23:59:59.000Z

386

DOE/EA-1193: Environmental Assessment for the Atmospheric Radiation Measurement (ARM) Program North Slope of Alaska and Adjacent Artic Ocean Cloud and Radiation Testbed (CART) Site (February 1997)  

Broader source: Energy.gov (indexed) [DOE]

u. S. DEPARTMENT OF ENERGY u. S. DEPARTMENT OF ENERGY FINDING OF NO SIGNIFICANT IMPACT FINAL ENVIRONMENTAL ASSESSMENT - The United States Department of Energy (DOE) has prepared an environmental assessment (EA) for the Atmospheric Radiation Measurement Cloud and Radiation Testbed (ARM/CART), North Slope of Alaska and Adjacent Arctic Ocean. The purpose of the ARM/CART program is to collect and analyze atmospheric data for the development and validation of global climate change models. The program involves construction of several small facilities and operation of sensing equipment. The EA analyzes the impacts on land use, tundra, air quality, cultura.l resources, socioeconomics, and wildlife. Separate studies (summarized in the EA) were also conducted to ensure that the operation of the facilities would not

387

Welcome to the Computational Fluid Dynamics Matt de Stadler  

E-Print Network [OSTI]

ridges and continental slopes but their characteristics and relation with respect to the oscillating tide are not understood Energy contour plot #12;Oscillating Flow over a Sloping Boundary Turbulent kinetic energy (Movie) #12;Oscillating Flow over a Sloping Boundary Internal Wave Energy (Movie) #12;The Immersed Boundary

Wang, Deli

388

Failure and Redemption of Multifilter Rotating Shadowband Radiometer (MFRSR)/Normal Incidence Multifilter Radiometer (NIMFR) Cloud Screening: Contrasting Algorithm Performance at Atmospheric Radiation Measurement (ARM) North Slope of Alaska (NSA) and Southern Great Plains (SGP) Sites  

SciTech Connect (OSTI)

Well-known cloud-screening algorithms, which are designed to remove cloud-contaminated aerosol optical depths (AOD) from AOD measurements, have shown great performance at many middle-to-low latitude sites around the world. However, they may occasionally fail under challenging observational conditions, such as when the sun is low (near the horizon) or when optically thin clouds with small spatial inhomogeneity occur. Such conditions have been observed quite frequently at the high-latitude Atmospheric Radiation Measurement (ARM) North Slope of Alaska (NSA) sites. A slightly modified cloud-screening version of the standard algorithm is proposed here with a focus on the ARM-supported Multifilter Rotating Shadowband Radiometer (MFRSR) and Normal Incidence Multifilter Radiometer (NIMFR) data. The modified version uses approximately the same techniques as the standard algorithm, but it additionally examines the magnitude of the slant-path line of sight transmittance and eliminates points when the observed magnitude is below a specified threshold. Substantial improvement of the multi-year (1999-2012) aerosol product (AOD and its Angstrom exponent) is shown for the NSA sites when the modified version is applied. Moreover, this version reproduces the AOD product at the ARM Southern Great Plains (SGP) site, which was originally generated by the standard cloud-screening algorithms. The proposed minor modification is easy to implement and its application to existing and future cloud-screening algorithms can be particularly beneficial for challenging observational conditions.

Kassianov, Evgueni I.; Flynn, Connor J.; Koontz, Annette S.; Sivaraman, Chitra; Barnard, James C.

2013-09-11T23:59:59.000Z

389

North Slope Co. Northwest Arctic Co.  

U.S. Energy Information Administration (EIA) Indexed Site

Liquids Reserve Class Liquids Reserve Class ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! £ , £ , £ , £ , £ , £ , £ , £ , £ , £ , £ , £ , £ , £ , £ , £ , £ , £ , £ , £ , £ , £ , £ , £ , £ , £ , £ , £ , £ , £ , £ , £ , £ , ! ! ! ! ! £ , £ , £ , £ , £ , COLVILLE RIVER COLVILLE RIVER 150°50'0"W 150°50'0"W 150°55'0"W 150°55'0"W 151°0'0"W 151°0'0"W 151°5'0"W 151°5'0"W 151°10'0"W 151°10'0"W 151°15'0"W 151°15'0"W 151°20'0"W 151°20'0"W 151°25'0"W 151°25'0"W 151°30'0"W 151°30'0"W 151°35'0"W 150°45'0"W 70°25'0"N 70°25'0"N 70°20'0"N 70°20'0"N 70°15'0"N 142°0'W 142°0'W 142°40'W 142°40'W 143°20'W 143°20'W 144°0'W 144°0'W 144°40'W 144°40'W 145°20'W 145°20'W 146°0'W 146°0'W 146°40'W 70°20'N 70°0'N 70°0'N 69°40'N

390

North Slope Co. Northwest Arctic Co.  

U.S. Energy Information Administration (EIA) Indexed Site

BOE Reserve Class BOE Reserve Class ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! £ , £ , £ , £ , £ , £ , £ , £ , £ , £ , £ , £ , £ , £ , £ , £ , £ , £ , £ , £ , £ , £ , £ , £ , £ , £ , £ , £ , £ , £ , £ , £ , £ , ! ! ! ! ! £ , £ , £ , £ , £ , COLVILLE RIVER COLVILLE RIVER 150°50'0"W 150°50'0"W 150°55'0"W 150°55'0"W 151°0'0"W 151°0'0"W 151°5'0"W 151°5'0"W 151°10'0"W 151°10'0"W 151°15'0"W 151°15'0"W 151°20'0"W 151°20'0"W 151°25'0"W 151°25'0"W 151°30'0"W 151°30'0"W 151°35'0"W 150°45'0"W 70°25'0"N 70°25'0"N 70°20'0"N 70°20'0"N 70°15'0"N 142°0'W 142°0'W 142°40'W 142°40'W 143°20'W 143°20'W 144°0'W 144°0'W 144°40'W 144°40'W 145°20'W 145°20'W 146°0'W 146°0'W 146°40'W 70°20'N 70°0'N 70°0'N 69°40'N 69°40'N

391

ALASKA NORTH SLOPE OIL AND GAS  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Nome Region Energy Assessment Nome Region Energy Assessment DOE/NETL-2007/1284 Final Report March 2008 Disclaimer This report was prepared as an account of work sponsored by an agency of the United States Government in partnership with the Alaska Energy Authority. Neither the United States Government nor any agency thereof, nor any of their employees, makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, or represents that its use would not infringe privately owned rights. Reference therein to any specific commercial product, process, or service by trade name, trademark, manufacturer, or otherwise does not necessarily constitute or imply its endorsement, recommendation, or favoring by the United

392

Slope Electric Coop Inc | Open Energy Information  

Open Energy Info (EERE)

Electric Coop Inc Electric Coop Inc Place North Dakota Utility Id 17261 Utility Location Yes Ownership C NERC Location MRO Activity Buying Transmission Yes Activity Distribution Yes References EIA Form EIA-861 Final Data File for 2010 - File1_a[1] LinkedIn Connections CrunchBase Profile No CrunchBase profile. Create one now! This article is a stub. You can help OpenEI by expanding it. Utility Rate Schedules Grid-background.png Farm, Residence, School, Church, Township and Community Hall Rate (Single Phase) Residential Farm, Residence, School, Church, Township and Community Hall Rate (Three Phase) Residential Average Rates Residential: $0.0728/kWh Commercial: $0.0994/kWh Industrial: $0.0585/kWh References ↑ "EIA Form EIA-861 Final Data File for 2010 - File1_a" Retrieved from

393

North Slope Co. Northwest Arctic Co.  

U.S. Energy Information Administration (EIA) Indexed Site

Gas Reserve Class Gas Reserve Class ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! £ , £ , £ , £ , £ , £ , £ , £ , £ , £ , £ , £ , £ , £ , £ , £ , £ , £ , £ , £ , £ , £ , £ , £ , £ , £ , £ , £ , £ , £ , £ , £ , £ , ! ! ! ! ! £ , £ , £ , £ , £ , COLVILLE RIVER COLVILLE RIVER 150°50'0"W 150°50'0"W 150°55'0"W 150°55'0"W 151°0'0"W 151°0'0"W 151°5'0"W 151°5'0"W 151°10'0"W 151°10'0"W 151°15'0"W 151°15'0"W 151°20'0"W 151°20'0"W 151°25'0"W 151°25'0"W 151°30'0"W 151°30'0"W 151°35'0"W 150°45'0"W 70°25'0"N 70°25'0"N 70°20'0"N 70°20'0"N 70°15'0"N 142°0'W 142°0'W 142°40'W 142°40'W 143°20'W 143°20'W 144°0'W 144°0'W 144°40'W 144°40'W 145°20'W 145°20'W 146°0'W 146°0'W 146°40'W 70°20'N 70°0'N 70°0'N 69°40'N 69°40'N

394

Analysis of the stability of rock slopes  

Science Journals Connector (OSTI)

...for very low values of the friction coe~fficient. Point r' represents the case where conventional grouting and drainage are usec~~ that is, where there is still ,~,.)., u1.0 FIG. 26. 113 P. Londe appreciable pressure on the upstream plane...

Pierre Londe

395

Nocturnal Flow on a Western Colorado Slope  

Science Journals Connector (OSTI)

The Department of Energy sponsored Atmospheric Studies in Complex Terrain (ASCOT) program has conducted a research program designed to increase our knowledge and understanding of terrain-dominated flows with spec...

John M. Leone Jr.; Paul H. Gudiksen

1991-01-01T23:59:59.000Z

396

ARM - Lesson Plans: North Slope of Alaska  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

PowerPoint Version (PPT, 152K Understanding Wind Direction and Making a Wind Vane (PDF, 36.7K) Wave Erosion (PDF, 22.2K) Whales and Sea Ice: Investigating Insulation (PDF, 147.8K)...

397

Dendrogeomorphic approach to estimating slope retreat, Maxey  

Science Journals Connector (OSTI)

...conducted at the Maxey Flats nuclear-waste disposal site in northeastern...conducted at the Maxey Flats nuclear-waste disposal site in northeastern...conducted at the Maxey Flats nuclear-waste disposal site in northeastern...

398

NETL: Methane Hydrates - ANS Research Project  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Well - Location Maps Well - Location Maps Maps of Prospect The Mt. Elbert prospect is located within the Milne Point Unit on Alaska’s North Slope. The Milne Point field, one of a number of distinct oil fields on the North Slope, extends offshore into the Beaufort Sea and is situated north of the large Kuparuk Field and northwest of the well known Prudhoe Bay Field. Map showing project location Map showing Milne Point Unit on Alaska’s North Slope The work done under the “Alaska North Slope Gas Hydrate Reservoir Characterization” project has resulted in a characterization of two large prospective methane hydrate accumulations (or trends); the Eileen Trend, which underlies but extends well beyond the Milne Point field, and the Tarn Trend to the west of the Kuparuk Field.

399

Influences of offshore activity. Hearing before the Subcommittee on Panama Canal/Outer Continental Shelf, of the House of Representatives, Ninety-Eighth Congress, First Session on offshore oil and gas activity and its socio-economic and environmental influences, October 12, 1983  

SciTech Connect (OSTI)

A field hearing in Humble, Texas heard testimony on the socio-economic and environmental effects of Outer Continental Shelf oil and gas activity in the Gulf of Mexico. These activities influence the commercial and recreational climate of the area as well as municipal services. The 20 witnesses included representatives of the petroleum, shipping, fishing, and other industries, environmental groups, and both organizations and agencies concerned with coastal management. Additional material and communications supplied for the record follows the testimony.

Not Available

1984-01-01T23:59:59.000Z

400

Application of advanced reservoir characterization, simulation, and production optimization strategies to maximize recovery in slope and basin clastic reservoirs, West Texas (Delaware Basin). Quarterly report, July 1 - September 30, 1996  

SciTech Connect (OSTI)

The objective of this project is to demonstrate that detailed reservoir characterization of slope and basin clastic reservoirs in sandstones of the Delaware Mountain Group in the Delaware Basin of West Texas and New Mexico is a cost effective way to recover a higher percentage of the original oil in place through strategic placement of infill wells and geologically based field development. Project objectives are divided into two major phases. The objectives of the reservoir characterization phase of the project are to provide a detailed understanding of the architecture and heterogeneity of two fields, the Ford Geraldine unit and Ford West field, which produce from the Bell Canyon and Cherry Canyon Formations, respectively, of the Delaware Mountain Group and to compare Bell Canyon and Cherry Canyon reservoirs. Reservoir characterization will utilize 3-D seismic data, high-resolution sequence stratigraphy, subsurface field studies, outcrop characterization, and other techniques. Once the reservoir- characterization study of both fields is completed, a pilot area of approximately 1 mi{sup 2} in one of the fields will be chosen for reservoir simulation. The objectives of the implementation phase of the project are to (1) apply the knowledge gained from reservoir characterization and simulation studies to increase recovery from the pilot area, (2) demonstrate that economically significant unrecovered oil remains in geologically resolvable untapped compartments, and (3) test the accuracy of reservoir characterization and flow simulation as predictive tools in resource preservation of mature fields. A geologically designed, enhanced-recovery program (CO{sup 2} flood, waterflood, or polymer flood) and well-completion program will be developed, and one to three infill wells will be drilled and cored. Accomplishments for this past quarter are discussed.

Dutton, S.P.

1996-10-01T23:59:59.000Z

Note: This page contains sample records for the topic "beaufort continental slope" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


401

Deep-Sea Research II 52 (2005) 32813302 Sediment transport by sea ice in the Chukchi and Beaufort Seas  

E-Print Network [OSTI]

resuspension and subsequent ice entrainment (420 m for the Chukchi Sea). Sediment loads averaged at 128 t km�2 deep for resuspension and entrainment) is at minimum 4 � 106 t in the sampling area and is estimated

Rigor, Ignatius G.

402

Rapid generation of upwelling at a shelf break caused by buoyancy shutdown  

Science Journals Connector (OSTI)

Model analyses of an along-shelf flow over a continental shelf and slope reveal upwelling near the shelf break. A stratified, initially uniform along-shelf flow undergoes a rapid adjustment with notable differences onshore and offshore of the ...

Jessica Benthuysen; Leif N. Thomas; Steven J. Lentz

403

Using orbital altimetry and ocean color to characterize habitat of sperm whales in the Gulf of Mexico  

E-Print Network [OSTI]

On Mesoscale Population Study cruises during summers 2004 and 2005 aboard the sailboat Summer Breeze, researchers from the Sperm Whale Seismic Study (SWSS) surveyed for sperm whales along the continental slope of the northern Gulf of Mexico. SWSS...

O'Hern, Julia Elizabeth

2009-05-15T23:59:59.000Z

404

GEOPHYSICAL RESEARCH LETTERS, VOL. 28, NO. 13, PAGES 2637-2640, JULY 1, 2001 Ocean release of fossil fuel CO2: A case study  

E-Print Network [OSTI]

slope along the north Eu- ropean continent. Some of these fields are located in vicinity feasible. Oil and gas fields are known, or are likely to be found, on the shelf and along the continental

Drange, Helge

405

A Numerical Investigation of Formation and Variability of Antarctic Bottom Water off Cape Darnley, East Antarctica  

Science Journals Connector (OSTI)

At several locations around Antarctica, dense water is formed as a result of intense sea ice formation. When this dense water becomes sufficiently denser than the surrounding water, it descends the continental slope and forms Antarctic Bottom ...

Yoshihiro Nakayama; Kay I. Ohshima; Yoshimasa Matsumura; Yasushi Fukamachi; Hiroyasu Hasumi

2014-11-01T23:59:59.000Z

406

Pliocene to recent stratigraphy of the Cuu Long and Nam Con Son Basins, offshore Vietnam  

E-Print Network [OSTI]

The Cuu Long and Nam Con Basins, offshore Vietnam, contain sediment dispersal systems, from up-dip fluvial environments to down-dip deep-water slope and basinal environments that operated along the southern continental margin of Vietnam during...

Yarbrough, Christopher Neil

2006-08-16T23:59:59.000Z

407

Submesoscale instability and generation of mesoscale anticyclones near a separation of the California Undercurrent  

Science Journals Connector (OSTI)

The California Undercurrent (CUC) flows poleward mostly along the continental slope. It develops a narrow strip of large negative vertical vorticity through the turbulent boundary layer and bottom stress. In several downstream locations, the ...

M. Jeroen Molemaker; James C. McWilliams; William K. Dewar

408

Genetic similarity between samples of the orange roughyHoplostethus atlanticus from the Tasman Sea, South-west Pacific Ocean and North-east Atlantic Ocean  

Science Journals Connector (OSTI)

Gel electrophoresis was used to measure genetic variation in the orange roughyHoplostethus atlanticus.... Samples were collected on the continental slope in the Tasman Sea, South-west Pacific Ocean and North-east...

P. J. Smith

1986-01-01T23:59:59.000Z

409

The Australian Coastal Experiment: A Search for Coastal-Trapped Waves  

Science Journals Connector (OSTI)

The Australian Coastal Experiment (ACE) was conducted in the coastal waters of New South Wales from September 1983 to 1984. The data obtained allow a detailed examination of the dynamics of flow on the continental shelf and slope and in ...

H.J. Freeland; F.M. Boland; J.A. Church; A.J. Clarke; A.M.G. Forbes; A. Huyer; R.L. Smith; R.O.R.Y. Thompson; N.J. White

1986-07-01T23:59:59.000Z

410

SSA 2012 Annual Meeting Announcement  

Science Journals Connector (OSTI)

...Continental Scale Programs. Schultz, A., and Hu, X. 11:45 Generation and Propagation of Shear Waves from the HUMBLE REDWOOD Explosions. Bonner, J. L., Leidig, M. R., Reinke, R., and Lenox, E. Topography Effects on a Single Slope...

411

Moored observations of shelfbreak processes at the inflow to and outflow from the Arctic Ocean  

E-Print Network [OSTI]

Two high-resolution mooring arrays extending from the outer shelf to the mid continental slope are used to elucidate shelf-basin exchange at the inflow to and the outflow from the Arctic Ocean. Pacific Water entering the ...

Von Appen, Wilken-Jon

2013-01-01T23:59:59.000Z

412

Surface and bottom boundary layer dynamics on a shallow submarine bank : southern flank of Georges Bank  

E-Print Network [OSTI]

The thesis investigates the circulation at a 76-m deep study site on the southern flank of Georges Bank, a shallow submarine bank located between the deeper Gulf of Maine and the continental slope. Emphasis is placed on ...

Werner, Sandra R. (Sandra Regina)

1999-01-01T23:59:59.000Z

413

Continental margin architecture : sea level and climate  

E-Print Network [OSTI]

strong salinity and temperature gradient is encountered.observed salinity and temperature gradients are not due towhere strong gradients in salinity and temperature occur,

Hill, Jenna Catherine

2007-01-01T23:59:59.000Z

414

Focused fluid flow in passive continental margins  

Science Journals Connector (OSTI)

...breeding grounds for some fish populations. To facilitate...processes. Apart from seismic and monitoring experiments...processes is four-dimensional seismic acquisition, a technique in which three-dimensional seismic data are acquired several...

2005-01-01T23:59:59.000Z

415

Continental margin architecture : sea level and climate  

E-Print Network [OSTI]

J. , 2006. Rapid sea-level rise and Holocene climate in theJ. , 2006. Rapid sea-level rise and Holocene climate in theJ. , 2006. Rapid sea-level rise and Holocene climate in the

Hill, Jenna Catherine

2007-01-01T23:59:59.000Z

416

US Continental Interior Precambrian-Paleozoic  

E-Print Network [OSTI]

= Reelfoot Rift, LD = La Salle deformation belt, WB = Williston Basin, IB = Illinois Basin, MB = Michigan

417

Late Cenozoic seismic stratigraphy and structure of the northern Gulf of Alaska  

E-Print Network [OSTI]

rafted sediments. In Reg1on II glacial-marine deposits have slumped along the southern continental slope. A thickening of glacial-marine deposits along the border of Reg1on II and Bering Trough indicates a zone of potential slumping. The slumping... or sliding of Holocene sed1ments is indicated in both Regions. The downslope movement of Holocene material is present on the steep continental slope in Region I; whereas, Holocene deposits have slumped on the low relief continental shelf in Region II...

Roden, Rocky Ray

2012-06-07T23:59:59.000Z

418

ShoreZone in the Arctic 8,000 km of Coastal Habitat Mapping Cathy Coon, Bureau of Ocean Energy Management, catherine.coon@boem.gov  

E-Print Network [OSTI]

Deadhorse Kotzebue Sound BOEM North Slope Imagery - 1,900 km BOEM North Slope Shore Stations National Park a continental-scale characterization of the arctic shoreline and support planning efforts related to oils spills Krusenstern, north of Kotzebue #12;Point Lay Wales Kotzebue Wainwright Cape Lisburne Kaktovik BARROW Point

419

OUR JOURNEY TO BRING THE SKA TO AFRICA  

E-Print Network [OSTI]

Core Site Williston Calvinia Fraserburg Carnarvon Beaufort West Upington Kenhardt Prieska Van Wyksvlei

Jarrett, Thomas H.

420

Thermal Effects of the Formation of Atlantic Continental Margins by Continental Break up  

Science Journals Connector (OSTI)

......Mediterranean, Upper Mantle Project, Netherlands, 13. Vogt P...Dare Carteret Carteret Craven Liberty Appling Toombs Well County...1970. Deep Sea Drilling Project, Leg 11, 15 (7), 14...Mediterranean, Upper Mantle Project, Netherlands, 13. Vogt......

Norman H. Sleep

1971-12-01T23:59:59.000Z

Note: This page contains sample records for the topic "beaufort continental slope" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


421

NETL: Oil & Natural Gas Projects  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Chemical Methods for Ugnu Viscous Oils Last Reviewed 6/27/2012 Chemical Methods for Ugnu Viscous Oils Last Reviewed 6/27/2012 DE-NT0006556 Goal The objective of this project is to develop improved chemical oil recovery options for the Ugnu reservoir overlying the Milne Point unit in North Slope, Alaska. Performers University of Texas, Austin, TX 78712-1160 Background The North Slope of Alaska has large (about 20 billion barrels) deposits of viscous oil in the Ugnu, West Sak, and Shraeder Bluff reservoirs. These shallow reservoirs overlie existing productive reservoirs such as Kuparuk and Milne Point. The viscosity of the Ugnu reservoir overlying Milne Point varies from 200 cP to 10,000 cP and the depth is about 3500 ft. The same reservoir extends to the west overlying the Kuparuk River Unit and on to the Beaufort Sea. The depth of the reservoir decreases and the viscosity

422

Slope County, North Dakota: Energy Resources | Open Energy Information  

Open Energy Info (EERE)

4129398°, -103.5021012° 4129398°, -103.5021012° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":46.4129398,"lon":-103.5021012,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

423

The slopes determined by n points in the plane  

E-Print Network [OSTI]

field k,andletG be a graph with vertices V and edges E.Apicture P of G consists of a point P(v)for each vertex and a line P(e) for each edge, subject to the condition that P(v) ? P(e) whenever v is an endpoint of e.Thusthedataofn points and parenleftbig... n 2 parenrightbig lines described earlier is a picture of the complete graph K n on n vertices. The set of all pictures of G is called the picture space X(G). A picture is generic if the points P(v) are all different; the closure of the locus...

Martin, Jeremy L.

2006-01-01T23:59:59.000Z

424

Development of a new generation of optical slope measuring profiler  

E-Print Network [OSTI]

September 21-24, 2010, Argonne National Laboratory, USA).NY 11973, USA X-ray Science Division, Argonne NationalLaboratory, Argonne, IL 60439, USA * The Advanced Light

Yashchuk, Valeriy V.

2010-01-01T23:59:59.000Z

425

Side slope design based on human tolerance to vehicle response  

E-Print Network [OSTI]

the help of several graduate students who performed numerous calculations during reduction and correlation of the data; of the TTI drafting department for preparation of many of the figures; and of Mrs. Laura Oualline who typed the final manuscript... Parameter Study CONCLUSIONS AND RECOMMENDATIONS 49 53 60 Recommendations 65 REFERENCES 67 APPENDIX Example A Hxample B Example C Notation 69 69 69 70 70 LIST OF TABLES Table 1. Computed Impact Angles in Degrees Page 15 2. Cornell Limits...

Weaver, Graeme Douglas

2012-06-07T23:59:59.000Z

426

Development of a new generation of optical slope measuring profiler  

E-Print Network [OSTI]

Source is supported by the Director, Office of Science,DOE, Basic Energy Science, Office of Science, under contractOffice of Basic Energy Sciences, Material Science Division,

Yashchuk, Valeriy V.

2010-01-01T23:59:59.000Z

427

alaska north slope: Topics by E-print Network  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

and accurate manner; and managing the AKSC office and staffAlaska Seafood Cooperative Report to the North Pacific Fishery Management 10 UNIVERSITY OF ALASKA MUSEUM OF THE NORTH...

428

LESSONS LEARNED FROM AN IMPOUNDMENT SLOPE FAILURE INVOLVING GEOSYNTHETICS  

E-Print Network [OSTI]

, Shearbox test, Failure, Landfill, Sedimentation pond AUTHORS: Kyle E. Nay, Environmental Specialist, Ohio of the Case The municipal solid waste landfill occupies about 5.7 ha (14 acres) in Ohio, USA. The landfill underwent final closure construction in the summer of 1994. The landfill previously accepted an average

429

Biocorrosive Thermophilic Microbial Communities in Alaskan North Slope Oil Facilities  

E-Print Network [OSTI]

anaerobic thermophilic oil reservoir and well communities.been detected in hot oil reservoirs and production fluids (other thermophilic oil reservoirs and wells suggests that

Duncan, Kathleen E.

2010-01-01T23:59:59.000Z

430

Did bowhead whales (Balaena mysticetus) from the Bering-Chukchi-Beaufort Seas undergo a genetic bottleneck? A test using nuclear microsatellite loci  

E-Print Network [OSTI]

Century commercial whaling. This investigation used more accurate laboratory techniques to score alleles, had a larger sample size that was divided into two groups (mainland Alaska and St. Lawrence Island (SLI)), and used a moderately different set...

Hunter, Devra Denise

2005-11-01T23:59:59.000Z

431

The Wicked Problem of Oil & Gas Development in the Beaufort and Chukchi Seas: Current Permitting and Evaluation of Marine Spatial Planning as a Potential Management Tool  

E-Print Network [OSTI]

Changing climatic conditions and shifting global economics have thrust the Arctic into the spotlight for many scientists, academics, and policymakers as well as those in offshore industries, particularly in shipping and oil and gas. This research...

Johannes, Emilie Ann

2014-06-02T23:59:59.000Z

432

BIOLOGICAL OPINION ON ISSUANCE OF INCIDENTAL HARASSMENT AUTHORIZATIONS FOR OIL AND GAS EXPLORATION ACTIVITIES IN THE CHUKCHI AND BEAUFORT SEAS IN 2010  

E-Print Network [OSTI]

#12;BIOLOGICAL OPINION ON ISSUANCE OF INCIDENTAL HARASSMENT AUTHORIZATIONS FOR OIL AND GAS..............................................................................................................84 i #12;BIOLOGICAL OPINION ON ISSUANCE OF INCIDENTAL HARASSMENT AUTHORIZATIONS FOR OIL AND GAS" permits under section 101(a)(5) of the Marine Mammal Protection Act, as amended, for certain oil and gas

433

Oceanographic factors and cetacean distributions at two sites in the Gulf of Mexico  

E-Print Network [OSTI]

' 1 in SFLA were located on the continental shelf; in STEX all were on the continental slope. Multiple regression analysis showed significant differences between the two study areas in effects of contour index, season, distance from shore... in the world. TABLE OF CONTENTS ~Pa e INTRODUCTION MATERIALS AND METHODS Study Areas Data Collection Aircraft and Equipment Data Collected Survey Dates 11 12 12 Data Analysis 13 Statistical Analysis 13 Multiple Regression Contour Index Classes...

Dorf, Barbara Ann

2012-06-07T23:59:59.000Z

434

NREL GIS Data: Continental United States Photovoltaic High Resolution |  

Open Energy Info (EERE)

Photovoltaic High Resolution Photovoltaic High Resolution Dataset Summary Description Abstract: Monthly and annual average solar resource potential for 48 Contiguous United States. Purpose: Provide information on the solar resource potential for the 48 contiguous states. Supplemental_Information: This data provides monthly average and annual average daily total solar resource averaged over surface cells of 0.1 degrees in both latitude and longitude, or about 10 km in size. This data was developed using the State University of New York/Albany satellite radiation model. This model was developed by Dr. Richard Perez and collaborators at the National Renewable Energy Laboratory and other universities for the U.S. Department of Energy. Specific information about this model can be found in Perez, et al. (2002). This model uses hourly radiance images from geostationary weather satellites, daily snow cover data, and monthly averages of atmospheric water vapor, trace gases, and the amount of aerosols in the atmosphere to calculate the hourly total insolation (sun and sky) falling on a horizontal surface. Atmospheric water vapor, trace gases, and aerosols are derived from a variety of sources. The procedures for converting the collector at latitude tilt are described in Marion and Wilcox (1994). Where possible, existing ground measurement stations are used to validate the data. Nevertheless, there is uncertainty associated with the meterological input to the model, since some of the input parameters are not avalable at a 10km resolution. As a result, it is believed that the modeled values are accurate to approximately 10% of a true measured value within the grid cell. Due to terrain effects and other micoclimate influences, the local cloud cover can vary significantly even within a single grid cell. Furthermore, the uncertainty of the modeled estimates increase with distance from reliable measurement sources and with the complexity of the terrain.

435

NREL GIS Data: Continental United States High Resolution Concentrating  

Open Energy Info (EERE)

High Resolution Concentrating High Resolution Concentrating Solar Power Dataset Summary Description Abstract: Monthly and annual average solar resource potential for the lower 48 states of the United States of America. Purpose: Provide information on the solar resource potential for the for the lower 48 states of the United States of America. Supplemental_Information: This data provides monthly average and annual average daily total solar resource averaged over surface cells of approximatley 40 km by 40 km in size. This data was developed from the Climatological Solar Radiation (CSR) Model. The CSR model was developed by the National Renewable Energy Laboratory for the U.S. Department of Energy. Specific information about this model can be found in Maxwell, George and Wilcox (1998) and George and Maxwell (1999). This model uses information on cloud cover, atmostpheric water vapor and trace gases, and the amount of aerosols in the atmosphere to calculate the monthly average daily total insolation (sun and sky) falling on a horizontal surface. The cloud cover data used as input to the CSR model are an 7-year histogram (1985-1991) of monthly average cloud fraction provided for grid cells of approximately 40km x 40km in size. Thus, the spatial resolution of the CSR model output is defined by this database. The data are obtained from the National Climatic Data Center in Ashville, North Carolina, and were developed from the U.S. Air Force Real Time Nephanalysis (RTNEPH) program. Atmospheric water vapor, trace gases, and aerosols are derived from a variety of sources. The procedures for converting the collector at latitude tilt are described in Marion and Wilcox (1994). Where possible, existing ground measurement stations are used to validate the data. Nevertheless, there is uncertainty associated with the meterological input to the model, since some of the input parameters are not avalible at a 40km resolution. As a result, it is believed that the modeled values are accurate to approximately 10% of a true measured value within the grid cell. Due to terrain effects and other micoclimate influences, the local cloud cover can vary significantly even within a single grid cell. Furthermore, the uncertainty of the modeled estimates increase with distance from reliable measurement sources and with the complexity of the terrain.

436

Gas hydrate-filled fracture reservoirs on continental margins.  

E-Print Network [OSTI]

?? Many scientists predicted that gas hydrate forms in fractures or lenses in fine-grained sediments, but only in the last decade were gas hydrates found (more)

Cook, Ann Elizabeth

2010-01-01T23:59:59.000Z

437

Cenozoic continental deposits of New Mexico: An overview  

Science Journals Connector (OSTI)

...of the region from Socorro and San Antonio east to Chupadera Mesa, Socorro County, New Mexico: U.S. Geological...of Joyita Hills, Los Pinos Mountains and northern Chupadera Mesa, Valencia, Tor- rance and Socorro Counties, New...

438

Flexural extension of the upper continental crust in collisional foredeeps  

Science Journals Connector (OSTI)

...is inconsistent with the observed step-wise descent of flexed lithosphere beneath the...these problems. In this model, step-wise normal faults in the downgoing plate are...faulting in the Taconic foredeep. We thank Alison Till, Nick Ratcliffe, Jim Hibbard, and...

439

Trophic interactions within the Ross Sea continental shelf ecosystem  

Science Journals Connector (OSTI)

...important as sources of iron that fuel surface phytoplankton blooms...sea ice present, cryophilic algae in the Ross Sea are an important...annual, integrated basis ice algae contribute approximately 20...The temporal dynamics of ice algae are quite different compared...

2007-01-01T23:59:59.000Z

440

Late Quaternary geotechnical stratigraphy of North Texas continental shelf  

E-Print Network [OSTI]

-sections were constructed to define local trends in the geotechnical parameters. Due to the regional scope of this 1nvestigation the distances between adjacent borings 1n any particular cross-section were considerably greater than the1r depths of penetrat1on.... Geotechnical units were divided into granular and cohesive sediments. The boundaries of a cohesive sedimentary unit were determined by either an abrupt change 1n texture (gra1n-s1ze) or a considerable variation in any of the relevant geotechni cal...

Munsey, John Sal

2012-06-07T23:59:59.000Z

Note: This page contains sample records for the topic "beaufort continental slope" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


441

Preface: Deep seismic reflection profiling of the continental lithosphere  

Science Journals Connector (OSTI)

......University Department of Earth Sciences. It enabled us to entertain...Secretary of State for Education and Science and to invite two speakers...the Department of Earth Sciences. Two hundred and fifty metres of poster board were constructed......

Drummond Matthews; Catherine Smith

1987-04-01T23:59:59.000Z

442

High-Frequency Internal Waves on the Oregon Continental Shelf  

Science Journals Connector (OSTI)

Measurements of vertical velocity by isopycnal-following, neutrally buoyant floats deployed on the Oregon shelf during the summers of 2000 and 2001 were used to characterize internal gravity waves on the shelf using measurements of vertical ...

Eric A. DAsaro; Ren-Chieh Lien; Frank Henyey

2007-07-01T23:59:59.000Z

443

Were Archaean continental geothermal gradients much steeper than today? (reply)  

Science Journals Connector (OSTI)

... -We did not intend to suggest that our gradients bore any relationship to near-surface geothermal gradients. It may have been clearer to have termed them average ... gradients. It may have been clearer to have termed them average geothermal gradients. Our purpose in quoting these gradients was simply to emphasise that the temperature ...

KEVIN BURKE; W. S. F. KIDD

1978-08-17T23:59:59.000Z

444

Were Archaean continental geothermal gradients much steeper than today?  

Science Journals Connector (OSTI)

... km depth) did not generally exceed 800 C. From this they deduce a surface geothermal gradient of less than 23 C km'1 compared with 17 C km'1 in ... P-T determinations on Archaean granulites (summarised in ref. 2) their calculation of the geothermal gradient does not comply with conductive properties and distribution of heat producing elements within the ...

S. A. DRURY

1978-08-17T23:59:59.000Z

445

Fluid evolution and graphite genesis in the deep continental crust  

Science Journals Connector (OSTI)

... log k ? values which had been calculated at specified pressures and temperatures along chosen geothermal gradients. The small volume change of equation (1) at pressures >5 kbar and ... BMK assemblage.

William Glassley

1982-01-21T23:59:59.000Z

446

Morphological Continental Drift Fit of Australia and Antarctica  

Science Journals Connector (OSTI)

... of the Ross Sea. An even more extreme possibility is the placing of the Great Bight of Australia against Chile8.

WALTER P. SPROLL; ROBERT S. DIETZ

1969-04-26T23:59:59.000Z

447

Holocene Continental Sedimentation in the Salton Basin, California: A Reconnaissance  

Science Journals Connector (OSTI)

...indicated by fossils (clams, fish, gastropods, ostracods...directions are oriented ing wind direction is given by...Barrier beaches and offshore bars of sand, and of...E. on Marshall Fruit Farm 5 Core hole R-4417...Lacustrine and Marshall Fruit Farm. braided stream R-4420...

448

ARM - Midlatitude Continental Convective Clouds (comstock-hvps)  

DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]

Convective processes play a critical role in the Earth's energy balance through the redistribution of heat and moisture in the atmosphere and their link to the hydrological cycle. Accurate representation of convective processes in numerical models is vital towards improving current and future simulations of Earths climate system. Despite improvements in computing power, current operational weather and global climate models are unable to resolve the natural temporal and spatial scales important to convective processes and therefore must turn to parameterization schemes to represent these processes. In turn, parameterization schemes in cloud-resolving models need to be evaluated for their generality and application to a variety of atmospheric conditions. Data from field campaigns with appropriate forcing descriptors have been traditionally used by modelers for evaluating and improving parameterization schemes.

Jensen, Mike; Comstock, Jennifer; Genio, Anthony Del; Giangrande, Scott; Kollias, Pavlos

449

Coccoliths in the surface sediments of the Louisiana continental shelf  

E-Print Network [OSTI]

in the presence of an inhibitor such as carbonic anhydrase. This may be involved in the regulation of the carbon dioxide complex at the site of coccolith formation. Types of Coccoliths Braarud et al. (1955) introduced the terminology of coccolith types based...

Reimers, David Dean

1972-01-01T23:59:59.000Z

450

Upper mantle models and the thickness of the continental lithosphere  

Science Journals Connector (OSTI)

......The explosion data from the Nevada Test Site, GNOME and Early Rise are all...The explosion data from the Nevada Test Site, GNOME and Early Rise are all...large number of explosions at the Nevada Test Site (NTS),but this discussion......

A. L. Hales

1991-05-01T23:59:59.000Z

451

Initial results from VC-1, First Continental Scientific Drilling...  

Open Energy Info (EERE)

to obtain structural and stratigraphie information near the intersection of the ring fracture zone and the precaldera Jemez fault zone, arid to core the youngest volcanic unit...

452

Understanding the thermal evolution of deep-water continental margins  

Science Journals Connector (OSTI)

... exploration risks are potentially much higher. The bulk of major hydrocarbon fields located in shallow-water depths (that is, up to 200 m) have probably been located, if one ... Over the past ten years, there has been a relentless drive to explore ever-increasing water depths. This drive has been stimulated by an engineering technology that has allowed us ...

Nicky White; Mark Thompson; Tony Barwise

2003-11-20T23:59:59.000Z

453

Operation TEAPOT, 1955 continental nuclear weapons test series. Technical report  

SciTech Connect (OSTI)

This report describes the activities of an estimated 11,000 DOD personnel, both military and civilian, in Operation TEAPOT, the fifth atmospheric nuclear weapons testing series conducted in Nevada from 18 February to 15 May 1955. Activities engaging DOD personnel included Exercise Desert Rock VI observer programs, troop tests, and technical service programs; AEC scientific and diagnostic experiments to evaluate the effects of the nuclear device; DOD operational programs; and air support.

Ponton, J.; Maag, C.; Wilkinson, M.; Shepanek, R.F.

1981-11-23T23:59:59.000Z

454

Selected Data from Continental Scientific Drilling Core Holes...  

Open Energy Info (EERE)

alteration, ore deposits, hydrology, structural geology, and hydrothermal solution chemistry. Authors John A. Musgrave, Fraser E. Goff, Lisa Shevenell, Patricio E. Trujillo Jr,...

455

A 22-Year Dataset of Surface Longwave Fluxes in the Arctic  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

22-Year Dataset of Surface Longwave Fluxes 22-Year Dataset of Surface Longwave Fluxes in the Arctic J. Francis and J. Secora Institute of Marine and Coastal Sciences Rutgers University New Brunswick, New Jersey Abstract Downwelling longwave fluxes (DLFs) over the Arctic surface have been generated from 22.5 years of radiances and retrievals from the TIROS (television and infrared observation satellite) operational vertical sounder (TOVS). The flux retrieval algorithm has been validated and improved using surface- based radiation and cloud observations from the Atmospheric Radiation Measurement (ARM) North Slope of Alaska (NSA) site in Barrow, Alaska, and from the Surface Heat Balance of the Arctic (SHEBA) field program (1997-98) in the Beaufort Sea. The DLF product is presented on a 100 x

456

AUGUST 2003 1733K U R A P O V E T A L . 2003 American Meteorological Society  

E-Print Network [OSTI]

is steeper than the wave characteristics) reflect toward deeper water, while those incident upon subcritical throughout the water column. Application of the inverse model to a 38 km 57 km domain off the mid of several kilometers bathym- etry changes from supercritical (on the continental slope) to subcritical (on

Kurapov, Alexander

457

JOURNAL OF GEOPHYSICAL RESEARCH, VOL. ???, XXXX, DOI:10.1029/, Diurnal and semidiurnal internal tide energy flux at  

E-Print Network [OSTI]

tide energy flux at a continental slope in the South China Sea Timothy F. Duda and Luc Rainville Woods A F T September 21, 2007, 1:08pm D R A F T #12;X - 2 DUDA AND RAINVILLE: INTERNAL TIDE ENERGY FLUX T #12;DUDA AND RAINVILLE: INTERNAL TIDE ENERGY FLUX X - 3 1. Introduction Internal gravity waves

Duda, Timothy F.

458

PII S0016-7037(99)00361-0 Dissolved and particulate carbohydrates in contrasting marine sediments  

E-Print Network [OSTI]

PII S0016-7037(99)00361-0 Dissolved and particulate carbohydrates in contrasting marine sediments D) and mid-Atlantic shelf/slope break (continental margin) sediments. Particulate carbohydrates (PCHOs) rep- resented 5­9% of the total sediment particulate organic carbon (POC), and PCHO remineralization appeared

Burdige, David

459

Archean Molecular Fossils and the Early Rise of Eukaryotes  

E-Print Network [OSTI]

of oil in Archean fluid inclu- sions (6) suggest that these maturation models are unduly pessimistic near Wittenoom in the Pilbara Craton of north- western Australia (8). They represent the 2600-Ma Marra in a marine continental-slope environment below storm-wave base under suboxic conditions (12). Those from

Brocks, Jochen J.

460

The Kid's Times: Volume II, Issue 8 Sperm Whale  

E-Print Network [OSTI]

are named for the spermaceti oil (wax) that they produce in the spermaceti organs located in their head, and over continental slopes. While they are usu- ally found offshore, they can be found near shore where as far north and south as the edges of the polar regions to feed. Fe- males and males of all ages can

Note: This page contains sample records for the topic "beaufort continental slope" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


461

COVER PHOTO: Cirrate octopod, found at around 800m in the Gulf of Maine. View inside mantle. Stauroteuthis syrtensis is one of the few bioluminescent octopuses. Photophor es  

E-Print Network [OSTI]

to fool prey by directing them towards the mouth. It is relatively common off the continental slope of the eastern USA, although it occurs acr oss the North Atlantic. This specimen was photographed during a 2004 obesity by Jennifer Deon 8 Understanding the oil and gas industry's response to climate change by Leslie

Oyet, Alwell

462

The opinions, findings, conclusions, or recommendations expressed in this report or product are those of the authors and do not necessarily reflect the views of the U.S. Department of the Interior, nor does mention of trade names or  

E-Print Network [OSTI]

on the continental shelf and slope, north and south of Yermak Plateau, and in the southern part of Litke Trough the Nansen Basin, Gakkel Ridge flank, Yermak Plateau and north Svalbard margin. Principles of analysis to development of sedimentary basins and the assessment of oil and gas reserves. Moreover, sediment thickness

Kristoffersen, Yngve

463

U.S. Department of the Interior U.S. Geological Survey  

E-Print Network [OSTI]

-level Radioactive Waste in Farallon Island Radioactive Waste Dumpsite Using Side-scan Sonar and Underwater blocks and other containers of low-level radioactive waste were dumped on the continental shelf and slope Island Radioactive Waste Dump (FIRWD), defined by the irregular polygon shown in Figure 1 (Noshkin et al

464

The eustatic and tectonic origin of Neogene unconformities from the Great Australian Bight  

E-Print Network [OSTI]

The eustatic and tectonic origin of Neogene unconformities from the Great Australian Bight Q. Li a. Keywords: Miocene^Pliocene; Great Australian Bight; ODP Leg 182; third-order sequence; sea level the slope and continental rise of the Great Australian Bight (GAB) (Feary et al., 2000) (Fig. 1). Using

Li, Qianyu

465

Gulf StreamGenerated Topographic Rossby Waves  

Science Journals Connector (OSTI)

An inverse ray tracing model is applied to observations of 40-day topographic Rossby waves on the continental slope off of Cape Hatteras, North Carolina, to determine their origin. The rays are traced seaward and extend into the deep Gulf Stream, ...

Robert S. Pickart

1995-04-01T23:59:59.000Z

466

Geochronology of Holocene sediments on the western margin of South Africa  

Science Journals Connector (OSTI)

...sediment delivered by wind and rivers, most...Helena Bay is located offshore of the Berg and Olifants...Lee-Thorp, 2004). The offshore mudbelt records changes...sediments from the offshore continental slope...Orange River on the farm Klein Noute, 27...sediments from the Fish River, but were not...

Caren T. Herbert; John S. Compton

467

CURRICULUM VITAE Mary Katherine Wicksten  

E-Print Network [OSTI]

Collection. She participated with a team in the Deep Gulf of Mexico Benthos project Mexico, sponsored analysis of decapod crustaceans on the continental slopes and abyssal plain of the Gulf of Mexico. Deep. An updated checklist of benthic marine and brackish water shrimps (Decapoda; Penaeoidea, Stenopodidea

Behmer, Spencer T.

468

A Closer Look at Salt, Faults, and Gas in the Northwestern Gulf of Mexico with 2-D Multichannel Seismic Data  

E-Print Network [OSTI]

The sedimentary wedge of the northern Gulf of Mexico is extensively deformed and faulted by salt tectonics. Industry 2-D multichannel seismic data covering a large area (33,800 km2) of the lower Texas continental slope [96 degrees 40'- 93 degrees 40...

Nemazi, Leslie A.

2010-07-14T23:59:59.000Z

469

Ferruginous layers in sediments from the Gulf of Mexico  

E-Print Network [OSTI]

/2 to 2 cm) bands in seven cores from the continental slope, continental rise, and Sigsbee abyssal plain, Iron, manganese, cobalt, and nickel content were determined in 132 samples from the yellow layers and surrounding sediments by Atomic... in the cores (Fig- ure 3). Often, two zones occur together, separated by only a few centi- meters of gray lutite. The enrichment of the iron-rich zones appears to be a function of dilution effects by non-ferruginous gray clays; the darker yellow, thin zones...

Watson, Jerry Allan

1968-01-01T23:59:59.000Z

470

Analysis of a 2-1/2 D gravity anomaly in the northwestern Gulf of Mexico  

E-Print Network [OSTI]

slope throughout the study area (Figure 2). Off the Texas coast in the northern portion of the study area, the shelf extends more than 100 km seaward. Southward through the study area, the shelf narrows continuously and is only 40 km in extent off... the coast of Tampico (22 N latitude, 98'W longitude); the width of the shelf does not change significantly from Tampico to Veracruz (19' N latitude, 96 W longitude). The continental slope, the region between the 200-m and 2000-m bathymetric contours...

Jones-Kern, Lisa Renae

2012-06-07T23:59:59.000Z

471

Oliver, Jacques L., Richard T. Barber, Walker O. Smith, Jr., and Hugh ...  

Science Journals Connector (OSTI)

Richard T. Barber. Nicholas School of the Environment and Earth Sciences, Duke University, Beaufort, North Carolina 28516. Walker O. Smith, Jr., and Hugh W.

2004-10-08T23:59:59.000Z

472

Marine geology of the Bay of Campeche  

E-Print Network [OSTI]

of Oceanography and Meteorology August, 1938 1 V .?> TABLE OF CONTENTS Page LIST OF F I G U R E S .......................... ............... v LIST OF TABLES............................................ vii LIST OF PLATES... STATION 11 AND STATION 30. . 17 6 BATHYMETRIC CHART OF THE BAY OF CAMPECHE.......... In V' Pocket YV.,;r? ' t. 7 BOTTOM PROFILES OF THE CONTINENTAL SLOPE ALONG 92?001 WEST LONGITUDE (A-A) OFF CAMPECHE BANK AND OF THE OUTER PORTION...

Creager, Joe S.

2013-10-04T23:59:59.000Z

473

Movement patterns, behaviors, and whistle sounds of dolphin groups off Kaikoura, New Zealand  

E-Print Network [OSTI]

. australis) and hourglass dolphin (L. cruciger) of the Southern Hemisphere (Fraser 1966, Gaskin 1968b, Leatherwood and Reeves 1983). Duskies occur over continental shelf and slope regions off New Zealand, South Africa and South America (Bierman and Slipjer... species (e. g. , for L albirostris Mitson 1990; for L obliquidens Goley 1991). Vocalizations of L. australis were briefly discussed by Schevill and Watkins (1971), but only recently have any acoustic data on duskies been published (Wang et aL 1995...

Yin, Suzanne E

1999-01-01T23:59:59.000Z

474

DOE Cool Roof Calculator for Low-Slope or Flat Roofs  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Cool Roof Calculator Cool Roof Calculator Estimates Cooling and Heating Savings for Flat Roofs with Non-Black Surfaces - Developed by the U.S. Department of Energy's Oak Ridge National Laboratory (Version 1.2) - This version of the calculator is for small and medium-sized facilities that purchase electricity without a demand charge based on peak monthly load. If you have a large facility that purchases electricity with a demand charge, run the CoolCalcPeak version in order to include the savings in peak demand charges from using solar radiation control. - What you get out of this calculator is only as good as what you put in. If you CLICK HERE , you'll find help in figuring out the best input values. Some things, such as the weathering of the solar radiation control properties and the effects of a plenum, are especially important. You'll

475

SYMPOSIUM ON EFFECTS OF FOREST LAND USE ON EROSION AND SLOPE  

E-Print Network [OSTI]

TO EVALUATING OFF-SITE EFFECTS OF 1 T I MBER HARVEST ACTIVITIES ON CHANNEL ~lORPHOLOGY Gordon E. Grant, Michael effects. A study was undertaken to determine whether off-site effects of timber harvest activities were Range of Oregon. In this paper, we suggest a theoretical framework for predicting how different off-site

476

Developments in the characterization of complex rock slope deformation and failure using numerical modelling techniques  

E-Print Network [OSTI]

Fraser University, Burnaby, BC, Canada b Geological Engineering/Earth and Ocean Sciences, University techniques with modifications to include probabilistic techniques, coupling of groundwater simulations and simplistic treatment of intact fracture and plastic yield. Such analyses are primarily suited to simple

477

Porosity enhancement from chert dissolution beneath Neocomian unconformity: Ivishak Formation, North Slope, Alaska: Discussion  

SciTech Connect (OSTI)

Shanmugam and Higgins (1988) concluded that chert dissolution was the dominant control of porosity and permeability trends in the fluvial facies of the Ivishak Formation in the Prudhoe Bay field. Chert dissolution, in turn, was interpreted to be a function of proximity to the Lower Cretaceous unconformity. In their opinion, the data presented by Shanmugam and Higgins are not sufficient to justify their conclusions. The authors apparently neglected to consider the effects of fundamental geological parameters (grain size and sorting) and processes (burial history) on porosity and permeability. In this discussion, the authors specifically address the effects of grain size, sorting, and burial history on porosity and permeability, to provide an alternative explanation of reservoir quality trends in the Ivishak reservoir. 3 figs.

Bloch, S.; McGowen, J.H. (ARCO Oil and Gas Co., Plano, TX (USA)); Duncan, J.R. (ARCO Oil and Gas Co., Midland, TX (USA))

1990-01-01T23:59:59.000Z

478

Experimental studies of the hydrodynamic characteristics of a sloped wave energy device  

E-Print Network [OSTI]

Many wave energy convertors are designed to use either vertical (heave) or horizontal (surge) movements of waves. But the frequency response of small heaving buoys and oscillating water column devices shows that they are ...

Lin, Chia-Po

2000-07-19T23:59:59.000Z

479

PISTE: A Snow-Physics Model Incorporating Human Factors for Groomed Ski Slopes  

Science Journals Connector (OSTI)

Accurately calculating snow-surface temperature and liquid water content for a groomed ski run, known as a ski piste, is crucial to the preparation of fast skis for alpine racing. Ski technicians can use forecasts of these variables to reduce ski...

Rosie Howard; Roland Stull

2014-12-01T23:59:59.000Z

480

On the Linear Slopes in the Expansion-Rate Spectra of Chaos  

Science Journals Connector (OSTI)

......820 * Department of Physics, Kyushu Kyoritsu...in the expansion-rate spectra of chaos...Progress of Theoretical Physics, Vol. 91, No...in the Expansion-Rate Spectra of Chaos...to X 8 , then it passes near the maximum...large local expansion rate, so that, no periodic......

Takehiko Horita; Hazime Mori

1994-04-01T23:59:59.000Z

Note: This page contains sample records for the topic "beaufort continental slope" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


481

E-Print Network 3.0 - arctic slope annual Sample Search Results  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

& Permafrost Salinity Vegetation Arctic... Storage Change P + Gin -(Q + ET + Gout) S Rn - G Le + H 12;Arctic Land Water Cycle: key features Source: Houser, Paul R....

482

Scaling of Local Slopes, Conservation Laws and Anomalous Roughening in Surface Growth  

E-Print Network [OSTI]

We argue that symmetries and conservation laws greatly restrict the form of the terms entering the long wavelength description of growth models exhibiting anomalous roughening. This is exploited to show by dynamic renormalization group arguments that intrinsic anomalous roughening cannot occur in local growth models. However some conserved dynamics may display super-roughening if a given type of terms are present.

Juan M. Lpez; Mario Castro; Rafael Gallego

2005-03-30T23:59:59.000Z

483

Late Miocene Erosion and Evolution of Topography along the Western Slope of the Colorado Rockies.  

E-Print Network [OSTI]

??It is increasingly apparent that dynamic effects associated with changes in mantle flow and buoyancy can influence the evolution of surface topography. In the Rocky (more)

Rosenberg, Russell

2013-01-01T23:59:59.000Z

484

Spoil handling and reclamation costs at a contour surface mine in steep slope Appalachian topography  

SciTech Connect (OSTI)

Accurate overburden handling cost estimation methods are essential to effective pre-mining planning for post-mining landforms and land uses. With the aim of developing such methods, the authors have been monitoring costs at a contour surface mine in Wise County, Virginia since January 1, 1984. Early in the monitoring period, the land was being returned to its Approximate Original Contour (AOC) in a manner common to the Appalachian region since implementation of the Surface Mining Control and Reclamation Act of 1977 (SMCRA). More recently, mining has been conducted under an experimental variance from the AOC provisions of SMCRA which allowed a near-level bench to be constructed across the upper surface of two mined points and an intervening filled hollow. All mining operations are being recorded by location. The cost of spoil movement is calculated for each block of coal mined between January 1, 1984, and August 1, 1985. Per cubic yard spoil handling and reclamation costs are compared by mining block. The average cost of spoil handling was $1.90 per bank cubic yard; however, these costs varied widely between blocks. The reasons for those variations included the landscape positions of the mining blocks and spoil handling practices. The average reclamation cost was $0.08 per bank cubic yard of spoil placed in the near level bench on the mined point to $0.20 for spoil placed in the hollow fill. 2 references, 4 figures.

Zipper, C.E.; Hall, A.T.; Daniels, W.L.

1985-12-09T23:59:59.000Z

485

Measurement of the variance of water surface slopes by a radar: Verification of algorithms  

Science Journals Connector (OSTI)

A full-scale experiment is carried out to study backscattering of a microwave radar signal by a rough water surface during flight over the Gorky water storage. A centimeter-wavelength Doppler radar with a knif...

V. Yu. Karaev; M. B. Kanevsky; E. M. Meshkov

2008-05-01T23:59:59.000Z

486

Spatial distribution of geotechnical properties in surficial marine sediments-Northwestern slope region, Gulf of Mexico  

E-Print Network [OSTI]

set out to identify the depositional environment of that region, and reflect on surface sedimentation patterns, regional and local. In order to achieve these goals, this study employed select geotechnical tests, shear strength measurements, lithologic...

Meyer, Matthew Kael

2012-06-07T23:59:59.000Z

487

Isentropic Slopes, Downgradient Eddy Fluxes, and the Extratropical Atmospheric Circulation Response to Tropical Tropospheric Heating  

E-Print Network [OSTI]

to Tropical Tropospheric Heating AMY H. BUTLER NOAA/NWS/NCEP/Climate Prediction Center, Camp Springs, Maryland of the midlatitude jets and their associated eddy fluxes of heat and potential vorticity (PV). Experiments run latent heating and thus locally enhanced warming in the tropical troposphere. Here the authors provide

488

Impact on acoustic propagation by internal waves and tides in the region of shelf and slope.  

Science Journals Connector (OSTI)

Internal waves (IWS) and tidal activities were investigated in the South China Sea (SCS) and the northeastern seas of Taiwan. These oceanic processes cause large fluctuations and impact on underwater acoustic propagation. These effects include two?dimensional (2?D) and three?dimensional (3?D) effects. The 2?D and 3?D effects are related to the angle between the directions of sound propagation and IW front. When the IW front are from 20 to 90 deg with respect to the acoustic propagation direction acoustic mode coupling is the dominant factor which could be sufficiently predicted by the N2D simulations. Acoustic energy is exchanged between modes and is re?distributed among the water columns. However when the angles between the wave front and the acoustic wave propagation are 020 deg the horizontal refraction effect dominates over mode coupling and the fully 3?D calculation is needed. The acoustic energy would be refracted as a consequence resulting in energy focusing and defocusing. These effects are clearly seen by the series of data collected in the SCS and the region of Northern East of Taiwan. Computer modeling results are used to manifest experiment data results in this research. [This work is supported by National Science Council of Taiwan.

Chi?Fang Chen; Yung?Sheng Linus Chiu; Yuan?Ying Chang

2009-01-01T23:59:59.000Z

489

Improved test statistics for the slope parameter in a simple linear functional model  

E-Print Network [OSTI]

of the Studentized test statistic based on the NL estimator of ()1, 1. 2 Survey of the literature A wide variety of sources exists from which to extract useful information for attacking the problem of testing hypotheses in the errors-in-variables model. Se... via simulation that these test statistics perform poorly in moderate to small sample sizes. 1. 3 Pzamewozk of Expositions This thesis is organized as follows. Chapter 2 presents a simple linear functional model, formulates the problem...

Ollivier, Vincent Raymond

2012-06-07T23:59:59.000Z

490

Integrated Geologic and Geophysical Assessment of the Eileen Gas Hydrate Accumulation, North Slope, Alaska  

SciTech Connect (OSTI)

Using detailed analysis and interpretation of 2-D and 3-D seismic data, along with modeling and correlation of specially processed log data, a viable methodology has been developed for identifying sub-permafrost gas hydrate prospects within the Gas Hydrate Stability Zone (HSZ) and associated ''sub-hydrate'' free gas prospects in the Milne Point area of northern Alaska (Figure 1). The seismic data, in conjunction with modeling results from a related study, was used to characterize the conditions under which gas hydrate prospects can be delineated using conventional seismic data, and to analyze reservoir fluid properties. Monte Carlo style gas hydrate volumetric estimates using Crystal Ball{trademark} software to estimate expected in-place reserves shows that the identified prospects have considerable potential as gas resources. Future exploratory drilling in the Milne Point area should provide answers about the producibility of these shallow gas hydrates.

Timothy S. Collett; David J. Taylor; Warren F. Agena; Myung W. Lee; John J. Miller; Margarita Zyrianova

2005-04-30T23:59:59.000Z

491

E-Print Network 3.0 - alaskan north slope Sample Search Results  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Geosciences 7 U.S. Law of the Sea Mapping James V. Gardner, Larry A. Mayer and Andrew Armstrong Summary: , portions of the U.S. Atlantic margin and an area of the Alaskan Arctic...

492

Laboratory experiments on the generation of internal tidal beams over steep slopes  

E-Print Network [OSTI]

baroclinic tides, generated by barotropic currents over ocean ridges and seamounts, are an important source decades, it has become apparent that substantial internal tides can be generated by tidal currents over ridges and other rough topography of the ocean floor. This problem is of paramount importance since

Dauxois, Thierry

493

Taphonomic Trends Along a Forereef Slope: Lee Stocking Island, Bahamas. II. Time  

Science Journals Connector (OSTI)

...alteration was not particularly intense in any EOD. No species was particularly susceptible...included in each model. The influence of EOD is discussed in a companion paper (Callender...For the remainder and for all but one EOD in Year 2, the number of significant differences...

GEORGE M. STAFF; W. RUSSELL CALLENDER; ERIC N. POWELL; KARLA M. PARSONS-HUBBARD; CARLTON E. BRETT; SALLY E. WALKER; DONNA D. CARLSON; SUZANNE WHITE; ANNE RAYMOND; ELIZABETH A. HEISE

494

Taphonomic Trends Along a Forereef Slope: Lee Stocking Island, Bahamas. I. Location and Water Depth  

Science Journals Connector (OSTI)

...contribution focuses on the influence of EOD and water depth. The dimension of time...locations were selected to be representative of EOD depth ranges. The location and transect...the influence of dissolution was much more EOD specific. Dissolution was highest in Codakia...

W. RUSSELL CALLENDER; GEORGE M. STAFF; KARLA M. PARSONS-HUBBARD; ERIC N. POWELL; GILBERT T. ROWE; SALLY E. WALKER; CARLTON E. BRETT; ANNE RAYMOND; DONNA D. CARLSON; SUZANNE WHITE; ELIZABETH A. HEISE

495

Taphonomic Trends Along a Forereef Slope: Lee Stocking Island, Bahamas. II. Time  

Science Journals Connector (OSTI)

...deepen from shore to the platform edge at about 33 m...about midway across the platform top at 15 m and at its...dramatically at the platform edge and forms a wall...another in 1996 using the submersibles Nekton Gamma and Clelia...was evaluated using a semi-quantitative scale...

GEORGE M. STAFF; W. RUSSELL CALLENDER; ERIC N. POWELL; KARLA M. PARSONS-HUBBARD; CARLTON E. BRETT; SALLY E. WALKER; DONNA D. CARLSON; SUZANNE WHITE; ANNE RAYMOND; ELIZABETH A. HEISE

496

Near-surface geology and sediment-failure geohazards of the central Scotian Slope  

Science Journals Connector (OSTI)

...south of the Lahave platform, offshore Nova Scotia...2). Grab samples and submersible observations show the...meters in height and are semi-circular in shape...south of the Lahave platform, offshore Nova Scotia...

David C. Mosher; David J. W. Piper; D. Calvin Campbell; Kimberley A. Jenner

497

Sequence stratigraphy of Torok and Nanushuk Formations, North Slope, Alaska: Integration of cores,  

E-Print Network [OSTI]

, well logs, and seismic data Purpose Developing sequence stratigraphic framework of fluvial to shallow and Torok strata include Umait, Simpson, Fish Creek, Badami, Tarn, Meltwater, and Nanuq fields. General: good coverage of cores and 2D seismic lines within NPRA, numerous well logs within and outside NPRA

Gani, M. Royhan

498

Reliable before-fabrication forecasting of expected surface slope distributions for x-ray optics  

E-Print Network [OSTI]

measurements of x-ray optics, Proc. SPIE 5921, 59210G (radiation grazing-incidence optics, Nucl. Instrum. Methodsray beams by reflective optics, Proc. SPIE 4782, 271-276 (

Yashchuk, Yekaterina V.

2013-01-01T23:59:59.000Z

499

Evolution of depositional and slope instability processes on Bryant Canyon area, Northwest Gulf of Mexico  

E-Print Network [OSTI]

Bryant and Eastern Canyon systems are located on the northwest Gulf of Mexico, and they are characterized by a very complex sedimentological history related to glacioeustatic cycles, river discharges, and interactions of depositional and halokinetic...

Tripsanas, Efthymios

2005-02-17T23:59:59.000Z

500

NOWCAST WITH A FORESCAST SNOW COVER SIMULATIONS ON SLOPES Sascha Bellaire  

E-Print Network [OSTI]

weather stations. Recently, SNOWPACK was also forced with data from numerical weather prediction models, avalanche warning, numerical weather prediction models, snow cover stratigraphy, model output statistics 1 forecasting regions is often limited, especially in North America. Numerical Weather Prediction models (NWP

Jamieson, Bruce