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Sample records for ice harbor dam

  1. The Sensor Fish - Making Dams More Salmon-Friendly

    SciTech Connect (OSTI)

    Carlson, Thomas J.; Duncan, Joanne P.; Gilbride, Theresa L.; Keilman, Geogre

    2004-07-31

    This article describes the Sensor Fish, an instrument package that travels through hydroelectric dams collecting data on the hazardous conditions that migrating salmon smolt encounter. The Sensor Fish was developed by Pacific Northwest National Laboratory with funding from DOE and the US Army Corps of Engineers and has been used at several federal and utility-run hydroelectric projects on the Snake and Columbia Rivers of the US Pacific Northwest. The article describes the evolution of the Sensor Fish design and provides examples of its use at McNary and Ice Harbor dams.

  2. Harboring chaos

    E-Print Network [OSTI]

    Anderson, Jeffrey A. (Jeffrey Arthur)

    2007-01-01

    Hurricane shelters have become the unknown point of last resort for many coastal communities. Harboring displaced populations during a hurricane and it's chaotic aftermath are no longer seen as a need in a coastal communities ...

  3. Q00906010024 rock check dam

    E-Print Network [OSTI]

    00906010024 rock check dam Q00906010025 rock check dam Q00906010021 rock check dam Q00906010022 rock check dam Q00906010027 rock check dam Q00906010026 rock check dam Q00906010018 rock check dam Q00906010023 rock check dam Q00906010011 rock check dam Q00906010008 rock check dam Q00906010007 rock check dam Q

  4. BALTIMORE'S ANNUAL HEALTHY HARBOR

    E-Print Network [OSTI]

    Hilderbrand, Robert H.

    1 BALTIMORE'S ANNUAL 2014 HEALTHY HARBOR REPORT CARD "If I see someone litter I'll ask, `please interceptor located at the end of the Jones Falls in Baltimore's Inner Harbor. The students, members, Baltimore's streams, rivers and Harbor scored between 52% and 61%. While these scores are poor and nearly

  5. V00306010057 rock check dam

    E-Print Network [OSTI]

    ¬« ¬« ¬« ¬« ¬« XY! 16-020 16-030(c) 16-026(l) 16-028(c) 16-026(l) V00306010057 rock check dam V00306010012 rock check dam V00306010040 rock check dam V00306010039 rock check dam V00306010058 rock check dam V00306010064 rock check dam V00306010061 rock check dam V00306010062 rock check dam V00306010063

  6. Baltimore Harbor Chart 12281

    E-Print Network [OSTI]

    Baltimore Harbor Chart 12281 BookletChart Commemorative Edition ­ June, 2012 A reduced scale NOAA ­ East Coast MARYLAND BALTIMORE HARBOR The chart on the cover is a plan of the city of Baltimore compiled of Maryland and by Lewis Brantz, Esqr. under authority of the Mayor and City Council of Baltimore by Fielding

  7. Baltimore Harbor's Ecological and

    E-Print Network [OSTI]

    Hilderbrand, Robert H.

    1 State of Baltimore Harbor's Ecological and Human Health 2010 E. Caroline Wicks, R. Heath Kelsey of Baltimore Harbor's ecological and human health, 2011. IAN Press, Cambridge, Maryland. Science communication to thank all the data providers: Baltimore City, Baltimore County, Maryland Department of Natural Resources

  8. V01406010015 rock check dam

    E-Print Network [OSTI]

    XY! ¬« ¬« V01406010015 rock check dam V01406010014 rock check dam V01406010013 rock check dam 1501403010012 earthen berm V01403010008 earthen berm V01406010003 rock check dam V01406010004 rock check dam V01406010010 rock check dam V01406010011 rock check dam 15-0651 15-0307 15-0588 15-0532 15-0575 stormdrain 7160

  9. Toward autonomous harbor surveillance

    E-Print Network [OSTI]

    Johannsson, Hordur

    2010-01-01

    In this thesis we address the problem of drift-free navigation for underwater vehicles performing harbor surveillance and ship hull inspection. Maintaining accurate localization for the duration of a mission is important ...

  10. M01506020006 log check dam

    E-Print Network [OSTI]

    XY! ¬« 35-0027 M01506020006 log check dam M01506020007 log check dam M01506020001 log check dam M location Berm Channel/swale Check dam Sediment trap/basin Gabion Seed and mulch Cap Established vegetation

  11. Old Harbor Scammon Bay Hydro Feasibility

    SciTech Connect (OSTI)

    Brent Petrie

    2007-06-27

    The grantee, Alaska Village Electric Cooperative (AVEC), is a non-profit member owned rural electric generation and distribution cooperative. The proposed Project is located near the community of Old Harbor, Alaska. Old Harbor is on the southeastern coast of Kodiak Island, approximately 70 miles southwest of the City of Kodiak and 320 miles southwest of Anchorage. In 1998 sufficient information had been developed to apply for a license to construct the project and the cost was estimated to be $2,445,000 for a 500 KW project on Lagoon Creek. Major features of the project included an eight-foot high diversion dam on Mountain Creek, a desander box, a 9,800-foot long penstock to the powerhouse on Lagoon Creek, and a 5,500-foot long access road. It was also anticipated that the project could provide an additional source of water to Old Harbor. The report details the history and lessons learned in designing and permiting the proposed hydroelectric facility.

  12. Small-dam rehabs

    SciTech Connect (OSTI)

    Denning, J.

    1993-01-01

    This article examines the economics of maintenance, rehabilitation and improvement for small, aging, high-hazard dams. The topics of the article include raising the height of the spillway and repairing deteriorated concrete in the spillway of Fellows Lake Dam, emergency repair of the outlet conduit and replacement of riprap on the upstream slope of Storrie Lake Dam, and extensive rehabilitation of Reeves Lake Dam.

  13. T00406010008 rock check dam

    E-Print Network [OSTI]

    XY! ¬« T00406010008 rock check dam T00406010009 rock check dam T00406010010 rock check dam T00406010011 rock check dam T-SMA-2.85 0.344 Acres 35-014(g) 35-016(n) T00406010005 rock check dam T00406010006 rock check dam T00403090004 curb T00402040007 established vegetation, green hatch area 7200 7200 7180

  14. J00206010020 rock check dam

    E-Print Network [OSTI]

    XY! J00206010020 rock check dam J00206010023 rock check dam 09-009 09-009 09-009 PJ-SMA-2 0.901 Acres J00206010021 rock check dam J00206010019 rock check dam J00206010014 rock check dam J00203010007 Smith DATE: 14-November-2014 REVISION NUMBER: 8 XY! IP sampler location Berm Channel/swale Check dam

  15. T00706010013 rock check dam

    E-Print Network [OSTI]

    XY! ¬« T00706010013 rock check dam T00706010014 rock check dam T00702040012 established vegetation, green hatch area T00706010002 rock check dam T00706010011 rock check dam T00703120010 rock berm T00703020003 base course berm T00706010004 rock check dam T00706010009 rock check dam T00703020008 base course

  16. Norwalk Harbor Report Card

    E-Print Network [OSTI]

    Boynton, Walter R.

    , such as parking lots, streets, and roofs, water from storms and even light rain can flow quickly and directly into a storm drain system. This water flow, called runoff, transports a wide variety of pollutants (such, and the Harbor. This type of pollution, often difficult to control, is called Nonpoint Source Pollution (NSP

  17. S00906010006 rock check dam

    E-Print Network [OSTI]

    XY! 53-0002 53-0890 53-1036 53-0598 53-0860 53-0056 S00906010006 rock check dam S00906010005 rock check dam S00906010007 rock check dam S00903010009 earthen berm S00903010010 earthen berm S00903120003 Channel/swale Check dam Sediment trap/basin Gabion Seed and mulch Cap Established vegetation SWMU boundary

  18. Wim van Dam CURRICULUM VITAE

    E-Print Network [OSTI]

    California at Santa Barbara, University of

    Wim van Dam CURRICULUM VITAE Department of Computer Science Work: +1-805-893 5211 Harold Frank Hall in physics. #12;Curriculum Vitae Wim van Dam, June 2008 2 PUBLICATIONS Journal and Conference Articles [1] "Quantum Algorithms for Algebraic Problems", Andrew M. Childs and Wim van Dam, to appear in Reviews

  19. INTERNATIONAL COMMISSION ON LARGE DAMS

    E-Print Network [OSTI]

    Bowles, David S.

    Q76-R INTERNATIONAL COMMISSION ON LARGE DAMS 20TH CONGRESS BEIJING, CHINA THE STATUS OF METHODS FOR ESTIMATION OF THE PROBABILITY OF FAILURE OF DAMS FOR USE IN QUANTITATIVE RISK ASSESSMENT (* ) Robin FELL. INTRODUCTION The use of Quantitative Risk Assessment (QRA) techniques to assist in dam safety management

  20. Perspectives on Dam Removal: York Creek Dam and the Water Framework Directive

    E-Print Network [OSTI]

    Lawrence, Justin E; Pollak, Josh D; Richmond, Sarah F

    2008-01-01

    Sacramento. Graf, W. L. , 1999: Dam Nation: A GeographicCensus of American Dams and Their Large-Scale HydrologicEcological Effects of Dams: A Geomorphic Perspective.

  1. Cold Spring Harbor Laboratory Cold Spring Harbor Laboratory

    E-Print Network [OSTI]

    and educational institution founded 1890 980 staff members Seven divisions ·Research (cancer, neuroscience, plant, located at Cold Spring Harbor, Plymouth (UK), Tuebingen (Germany) and San Diego. Over 200 books in print ·Finding appropriate authors/editors for new books ·Preparing a proposal for the book ·Outline / Table

  2. EFFECT OF ENCROACHMENT OF WANAPUM DAM RESERVOIR ON FISH PASSAGE OVER ROCK ISLAND DAM, COLUMBIA RIVER

    E-Print Network [OSTI]

    of the survivors. Similarly, man-made fa- cilities such as hydroelectric dams, even though equipped with fish for hydroelectric dams are utilized and the reservoir of one dam begins to encroach on the tailrace of the dam

  3. Inner Hempstead Harbor Report Card

    E-Print Network [OSTI]

    Boynton, Walter R.

    (during low tide) Barge Closed and capped landfill Golf course Tidal flushing Marina Wastewater treatment and species Middle Harbor #12;Making sense of beach and shellfish closures NCDH monitors bacteria levels from 90­100% of the time, except for the northernmost site. Closures of shellfishing areas and swimming

  4. Boston Harbor -Deep Draft Navigation Improvement Massachusetts

    E-Print Network [OSTI]

    US Army Corps of Engineers

    of Massachusetts Bay and is the New England region's largest port. The main deep water harbor is comprised for the Chelsea River which has an authorized depth of 38 feet MLLW. Deep water access to the harbor is providedBoston Harbor - Deep Draft Navigation Improvement Massachusetts 21 August 2008 and 18 September

  5. Failure of Tapo Canyon Tailings Dam

    E-Print Network [OSTI]

    Harder, Leslie F Jr; Stewart, Jonathan P

    1996-01-01

    failures of Chilean tailings dams." J. Soil Mech. and Found.earthquake failure of a tailings dam due to liquefaction offailure of the Tapo Canyon tailings dam was one of the most

  6. War damages and reconstruction of Peruca dam

    SciTech Connect (OSTI)

    Nonveiller, E.; Rupcic, J.; Sever, Z.

    1999-04-01

    The paper describes the heavy damages caused by blasting in the Peruca rockfill dam in Croatia in January 1993. Complete collapse of the dam by overtopping was prevented through quick action of the dam owner by dumping clayey gravel on the lowest sections of the dam crest and opening the bottom outlet of the reservoir, thus efficiently lowering the water level. After the damages were sufficiently established and alternatives for restoration of the dam were evaluated, it was decided to construct a diaphragm wall through the damaged core in the central dam part as the impermeable dam element and to rebuild the central clay core at the dam abutments. Reconstruction works are described.

  7. Geotechnical practice in dam rehabilitation

    SciTech Connect (OSTI)

    Anderson, L.R. (ed.)

    1993-01-01

    This proceedings, Geotechnical Practice in Dam Rehabilitation, consists of papers presented at the Specialty Conference sponsored by the Geotechnical Engineering Division of the American Society of Civil Engineers held in Raleigh, North Carolina, April 25-28, 1993. The conference provided a forum for the discussion of the rehabilitation of dams, including case histories and current geotechnical practice. The topics covered by this proceeding include: (1) inspection and monitoring of dams; (2) investigation and evaluation of dams and foundations; (3) risk and reliability assessment; (4) increasing reservoir capacity, spillway modifications and overtopping; (5) seepage control; (6) improving stability of dams, foundations and reservoir slopes; (7) rehabilitation for seismic stability; and (8) geosynthetics and ground improvement techniques.

  8. Santa Cruz Harbor Commercial Fishing Community Profile

    E-Print Network [OSTI]

    Pomeroy, Caroline

    2008-01-01

    Statistics Branch. Commercial fishing licenses and permitsSanta Cruz Harbor Commercial Fishing Community Profile, Julythe rate or level of fishing mortality that jeopardizes the

  9. Dam Construction and Maintenance (Minnesota)

    Broader source: Energy.gov [DOE]

    Dams may be constructed, improved, or repaired on private, non-navigable waters subject to certain timelines; however, previously-developed hydropower mechanisms cannot be disrupted. The State may...

  10. Sluiceway Operations for Adult Steelhead Downstream Passage at The Dalles Dam, Columbia River, USA

    SciTech Connect (OSTI)

    Khan, Fenton; Royer, Ida M.; Johnson, Gary E.; Tackley, Sean C.

    2013-10-01

    This study evaluated adult steelhead (Oncorhynchus mykiss; fallbacks and kelts) downstream passage at The Dalles Dam in the Columbia River, USA, during the late fall, winter, and early spring months between 2008 and 2011. The purpose of the study was to determine the efficacy of operating the dam’s ice-and-trash sluiceway during non-spill months to provide a relatively safe, non-turbine, surface outlet for overwintering steelhead fallbacks and downstream migrating steelhead kelts. We applied the fixed-location hydroacoustic technique to estimate fish passage rates at the sluiceway and turbines of the dam. The spillway was closed during our sampling periods, which generally occurred in late fall, winter, and early spring. The sluiceway was highly used by adult steelhead (91–99% of total fish sampled passing the dam) during all sampling periods. Turbine passage was low when the sluiceway was not operated. This implies that lack of a sluiceway route did not result in increased turbine passage. However, when the sluiceway was open, adult steelhead used it to pass through the dam. The sluiceway may be operated during late fall, winter, and early spring to provide an optimal, non-turbine route for adult steelhead (fallbacks and kelts) downstream passage at The Dalles Dam.

  11. New York Harbor Chart 12334 New York Harbor Upper Bay and Narrows

    E-Print Network [OSTI]

    New York Harbor Chart 12334 ­ New York Harbor Upper Bay and Narrows Anchorage Chart Booklet, the nation's chartmaker #12;United States ­ East Coast NEW YORK ­ NEW JERSEY NEW YORK HARBOR UPPER BAY.noaa.gov/WarOf1812. #12;Because of its importance as a hub of international commerce, New York City served several

  12. Chesapeake Bay Approaches to Baltimore Harbor

    E-Print Network [OSTI]

    Chesapeake Bay Approaches to Baltimore Harbor Chart 12278 BookletChart Commemorative Edition ­ June;United States ­ East Coast MARYLAND CHESAPEAKE BAY APPROACHES TO BALTIMORE HARBOR The chart on the cover forces on the Chesapeake Bay, and defending Baltimore itself. Privateering With peacetime commerce

  13. Perspectives on Dam Removal: York Creek Dam and the Water Framework Directive

    E-Print Network [OSTI]

    Lawrence, Justin E; Pollak, Josh D; Richmond, Sarah F

    2008-01-01

    Retirement of Dams and Hydroelectric Facilities. ASCE, Newon the Allier River, a hydroelectric plant in France. Thethe dam generating hydroelectric power versus the ecological

  14. Civil Engineering Explore the environmental impact of dams.

    E-Print Network [OSTI]

    Provancher, William

    a variety of services. Dams are built for flooding control, water storage, hydroelectricity production, concrete is used for hydroelectric dams and dams over which people drive. Earthen dams are used for water

  15. Iced Coffee Iced Chai Tea Latte

    E-Print Network [OSTI]

    Iced Coffee Iced Chai Tea Latte Iced Americano Iced Cappuccino Iced Latte Iced Mocha Iced White the Cooler Canned Soda Bottled Water Arizona Teas Energy Drinks Red Bull, SF Red Bull & Bing Jones Sodas $0.50 Listed prices do not include applicable sales tax. #12;Brewed Coffee Cafe au Lait Hot Tea Chai Tea Latte

  16. Failure of Tapo Canyon Tailings Dam

    E-Print Network [OSTI]

    Harder, Leslie F Jr; Stewart, Jonathan P

    1996-01-01

    embankment increases. The tailings pond eventually took theThe Tapo Canyon tailings dam and pond are owned by the P. W.of a tailings dam due to liquefaction of the pond deposit."

  17. Thomas Van Dam Principal, Nichols Consulting Engineers

    E-Print Network [OSTI]

    Thomas Van Dam Principal, Nichols Consulting Engineers Transportation Research Group TVanDam-cost, widespread availability, versatility, and hallmark longevity, hydraulic cement concrete (HCC) is the most in a variety of applications, including bridges, hydraulic structures, retaining walls, barriers, curbs

  18. Dams Securing Water for Our Future 1 ICOLD Bulletin on Dam Safety Management

    E-Print Network [OSTI]

    Bowles, David S.

    Dams ­ Securing Water for Our Future 1 ICOLD Bulletin on Dam Safety Management David S. Bowles 1 , Michel Poupart 6 , David Stewart 5 , Przemyslaw A. Zielinski 7 1 Institute for Dam Safety Risk The ICOLD Committee on Dam Safety (CODS) "was established as a coordinating body to assure

  19. Burner balancing Salem Harbor Station

    SciTech Connect (OSTI)

    Sload, A.W.; Dube, R.J.

    1995-12-31

    The traditional method of burner balancing is first to determine the fuel distribution, then to measure the economizer outlet excess oxygen distribution and to adjust the burners accordingly. Fuel distribution is typically measured by clean and dirty air probing. Coal pipe flow can then be adjusted, if necessary, through the use of coal pipe orificing or by other means. Primary air flow must be adjusted to meet the design criteria of the burner. Once coal pipe flow is balanced to within the desired criteria, secondary air flow to individual burners can be changed by adjusting windbox dampers, burner registers, shrouds or other devices in the secondary air stream. This paper discusses problems encountered in measuring excess O{sub 2} at the economizer outlet. It is important to recognize that O{sub 2} measurements at the economizer outlet, by themselves, can be very misleading. If measurement problems are suspected or encountered, an alternate approach similar to that described should be considered. The alternate method is not only useful for burner balancing but also can be used to help in calibrating the plant excess O{sub 2} instruments and provide an on line means of cross-checking excess air measurements. Balanced burners operate closer to their design stoichiometry, providing better NO{sub x} reduction. For Salem Harbor Station, this means a significant saving in urea consumption.

  20. Ethanol Consumption by Rat Dams During Gestation,

    E-Print Network [OSTI]

    Galef Jr., Bennett G.

    Ethanol Consumption by Rat Dams During Gestation, Lactation and Weaning Increases Ethanol examined effects of ethanol consumption in rat dams during gestation, lactation, and weaning on voluntary ethanol consumption by their adolescent young. We found that exposure to an ethanol-ingesting dam

  1. ANNUAL FISH PASSAGE REPORT ROCK ISLAND DAM

    E-Print Network [OSTI]

    42) ANNUAL FISH PASSAGE REPORT ROCK ISLAND DAM COLUMBIA RIVER, WASHINGTON 1961 Marine Biological. McKeman, Director ANNUAL FISH PASSAGE REPORT - ROCK ISLAND DAM COLUMBIA RIVER, WASHINGTON, 1961--Fisheries No. 421 Washington, D. C. April 1962 #12;Rock Island Dam, Columbia River, Washington ii #12;CONTENTS

  2. On Quantum Computation Theory Wim van Dam

    E-Print Network [OSTI]

    Koolen, Marijn

    On Quantum Computation Theory Wim van Dam #12;#12;On Quantum Computation Theory #12;ILLC woensdag 9 oktober 2002, te 14.00 uur door Willem Klaas van Dam geboren te Breda. #12;Promotor: Prof. dr. P Dam, 2002 ISBN: 90­5776­091­6 #12;" . . . Many errors have been made in the world which today

  3. ANNUAL FISH PASSAGE REPORT ROCK ISLAND DAM

    E-Print Network [OSTI]

    ANNUAL FISH PASSAGE REPORT ROCK ISLAND DAM COLUMBIA RIVER, WASHINGTON, 1959 :y .iiJA/i-3ri ^' WUUUi. ANNUAL FISH PASSAGE REPORT - ROCK ISLAND DAM COLUMBIA RIVER, WASHINGTON, 1959 by Paul D. Zimmer, Clifton and observations 10 Summary 13 #12;#12;ANNUAL FISH PASSAGE REPORT - ROCK ISLAND DAM COLUMBIA RIVER, WASHINGTON

  4. ANNUAL FISH PASSAGE REPORT ROCK ISLAND DAM

    E-Print Network [OSTI]

    ANNUAL FISH PASSAGE REPORT ROCK ISLAND DAM COLUMBIA RIVER, WASHINGTON 1960 . SPECIAL SCIENTIFIC ISLAND DAM COLUMBIA RIVER, WASHINGTON, 1960 by Paul D. Zimmer and Clifton C. Davidson United States Fish This annual report of fishway operations at Rock Island Dam in 1960 is dedicated to the memory of co

  5. Viscoplastic dam breaks and the Bostwick consistometer

    E-Print Network [OSTI]

    Balmforth, Neil

    Viscoplastic dam breaks and the Bostwick consistometer N. J. Balmforth, a R. V. Craster, b P'Informazione, Universit`a di Milano, Crema, Italy Abstract We present a theoretical and experimental analysis of the dam the broken dam) that may assist an experimentalist to unravel those dependences. Experiments are conducted

  6. Annual Fish Passage Report -Rock Island Dam

    E-Print Network [OSTI]

    Annual Fish Passage Report - Rock Island Dam Columbia River, Washington, 1965 By Paul D. Zimmer L. McKeman, Director Annual Fish Passage Report - Rock Island Dam Columbia River, Washington, 1965;#12;Annual Fish Passage Report - Rock Island Dam Columbia River, Washington, 1965 By PAUL D. ZIMMER, Fishery

  7. Dam Design and Construction (Wisconsin)

    Broader source: Energy.gov [DOE]

    These regulations apply to dams that are not owned by the U.S. government and (a) have a structural height of more than 6 feet and a maximum storage capacity of 50 acre–feet or more of water, (b)...

  8. BOSTON HARBOR, MASSACHUSETTS DEEP DRAFT NAVIGATION IMPROVEMENT PROJECT

    E-Print Network [OSTI]

    US Army Corps of Engineers

    entrance channels connecting Massachusetts Bay to the harbor, deep water anchorages in the harbor, a mainBOSTON HARBOR, MASSACHUSETTS DEEP DRAFT NAVIGATION IMPROVEMENT PROJECT Civil Works Review Board Re-Presentation - 26 April 2013 ABSTRACT: The Boston Harbor Deep Draft Navigation Improvement Project consists

  9. Interstellar Ices

    E-Print Network [OSTI]

    Boogert, A C A

    2003-01-01

    Currently ~36 different absorption bands have been detected in the infrared spectra of cold, dense interstellar and circumstellar environments. These are attributed to the vibrational transitions of ~17 different molecules frozen on dust grains. We review identification issues and summarize the techniques required to extract information on the physical and chemical evolution of these ices. Both laboratory simulations and line of sight studies are essential. Examples are given for ice bands observed toward high mass protostars, fields stars and recent work on ices in disks surrounding low mass protostars. A number of clear trends have emerged in recent years. One prominent ice component consists of an intimate mixture between H2O, CH3OH and CO2 molecules. Apparently a stable balance exists between low temperature hydrogenation and oxidation reactions on grain surfaces. In contrast, an equally prominent ice component, consisting almost entirely of CO, must have accreted directly from the gas phase. Thermal proc...

  10. DRAFT ENVIRONMENTAL ASSESSMENT1 PINE CREEK DAM, OKLAHOMA2

    E-Print Network [OSTI]

    US Army Corps of Engineers

    #12;#12;DRAFT ENVIRONMENTAL ASSESSMENT1 PINE CREEK DAM, OKLAHOMA2 DAM SAFETY MODIFICATION3 &4 Environmental Assessment Pine Creek Dam, Oklahoma Dam Safety Modification & Interim Risk Reduction Measure and risk reduction measures necessary to correct structural and maintenance deficiencies of Pine Creek Dam

  11. Green River Locks and Dams 3, 4, 5, 6 and Barren River Lock and Dam 1 Disposition, Kentucky

    E-Print Network [OSTI]

    US Army Corps of Engineers

    Green River Locks and Dams 3, 4, 5, 6 and Barren River Lock and Dam 1 Disposition, Kentucky 16 September 2014 ABSTRACT: Green River Locks and Dams 3 through 6 and Barren River Lock and Dam 1 were. The Green River Locks and Dams 5 and 6 ceased operations in 1951 due to a marked decline in navigation

  12. Optimal Dam Construction under Climate Change Uncertainty and Anticipated Learning

    E-Print Network [OSTI]

    Cameron-Loyd, Patricia Jane

    2012-01-01

    real option theory to irrigation dam investment analysis: an43, 2) 482–498. [40] World Commission on Dams (WCD), 2000.Dams and development: A new framework for decision- making.

  13. Saeltzer Dam Removal on Clear Creek 11 years later: An assessment of upstream channel changes since the dam's removal

    E-Print Network [OSTI]

    Simons, Crystal; Walker, Katelyn; Zimring, Mark

    2011-01-01

    Boulder BLDR Bedrock BDRK Dam Rubble DMRB Table B1. 2011pages. Brown, M. (n.d. ). Clear Creek—McCormick-Saeltzer DamRemoval: Dam removal re-opens spring run salmon habitat. US

  14. US Society on Dams Annual Conference, March 2007, Philadelphia, Pennsylvania TOLERABLE RISK FOR DAMS: HOW SAFE IS SAFE ENOUGH?

    E-Print Network [OSTI]

    Bowles, David S.

    US Society on Dams Annual Conference, March 2007, Philadelphia, Pennsylvania 1 TOLERABLE RISK and defensive design measures." #12;US Society on Dams Annual Conference, March 2007, Philadelphia, Pennsylvania

  15. Boson shells harboring charged black holes

    SciTech Connect (OSTI)

    Kleihaus, Burkhard; Kunz, Jutta; Laemmerzahl, Claus; List, Meike

    2010-11-15

    We consider boson shells in scalar electrodynamics coupled to Einstein gravity. The interior of the shells can be empty space, or harbor a black hole or a naked singularity. We analyze the properties of these types of solutions and determine their domains of existence. We investigate the energy conditions and present mass formulae for the composite black hole-boson shell systems. We demonstrate that these types of solutions violate black hole uniqueness.

  16. Rivers and Harbors Act | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page onRAPID/Geothermal/Exploration/ColoradoRemsenburg-Speonk, New York:Virginia:Riva, Maryland:Rivergrove,Rivers and Harbors

  17. Iced Coffee Iced Yerba Mate "Tea"

    E-Print Network [OSTI]

    Iced Coffee Iced Yerba Mate "Tea" Iced Yerba Mate Latte Iced Chai Tea Latte Original, Green Tea Canned Soda Xing Tea Bottled Water Arizona Teas Energy Drinks Red Bull, SF Red Bull & Bing Jones Sodas $0 Cafe au Lait Hot Tea Yerba Mate "Tea" Yerba Mate Latte Chai Tea Latte - Original, Green Tea, or Sugar

  18. Three-Gorges Dam: Risk to Ancient Fish

    E-Print Network [OSTI]

    Wu, Jianguo "Jingle"

    Three-Gorges Dam: Risk to Ancient Fish THE HUGETHREE-GORGES DAM (TGD) OFTHE Yangtze River is going and animals, as discussed by J. Wu et al. in their Policy Forum "Three-Gorges Dam-- experiment in habitat). The construction of the Gezhou Dam (38 km downstream from the TGD) in 1981 led to sharp declines in the popula

  19. TOWARDS A DAMS SAFETY MANAGEMENT SYSTEM FOR Vitor Camilo*

    E-Print Network [OSTI]

    da Silva, Alberto Rodrigues

    1 TOWARDS A DAMS SAFETY MANAGEMENT SYSTEM FOR ANGOLA Vitor Camilo* , Alberto Rodrigues da Silva Angola e-mail: vitor.camilo@tecangol.com, webpage: www.tecangol.com Keywords: Dams, Dam Safety Management System, gestBarragens, Angola, Portugal Abstract. Dams have contributed to the human development and have

  20. Perspectives on Dam Removal: York Creek Dam and the Water Framework Directive

    E-Print Network [OSTI]

    Lawrence, Justin E; Pollak, Josh D; Richmond, Sarah F

    2008-01-01

    supply, flood control, hydropower, and recreation. However,as changes induced by hydropower, flood control, or waterFERC requires private hydropower dams to provide “equal

  1. EVOLVING EXPECTATIONS OF DAM REMOVAL OUTCOMES: DOWNSTREAM GEOMORPHIC EFFECTS FOLLOWING REMOVAL OF A SMALL, GRAVEL-FILLED DAM1

    E-Print Network [OSTI]

    Tullos, Desiree

    EVOLVING EXPECTATIONS OF DAM REMOVAL OUTCOMES: DOWNSTREAM GEOMORPHIC EFFECTS FOLLOWING REMOVAL OF A SMALL, GRAVEL-FILLED DAM1 Kelly Kibler, Desiree Tullos, and Mathias Kondolf 2 ABSTRACT: Dam removal is a promising river restoration technique, particularly for the vast number of rivers impounded by small dams

  2. Coastal Harbors Modeling Facility | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIX ECoopButtePower Ventures Jump to: navigation, searchClover Hill HighPowerCoastalHarbors

  3. Processes affecting the spatial and temporal variability of methane in a temperate dammed river system

    E-Print Network [OSTI]

    Bilsley, Nicole A.

    2012-01-01

    emissions from large dams as renewable energy resources: Areservoir (Brazil’s Tucuruí Dam) and the energy policyemissions from hydroelectric dams: controversies provide a

  4. A STRATEGIC PLAN FOR HARBOR BRANCH OCEANOGRAPHIC INSTITUTE

    E-Print Network [OSTI]

    Marques, Oge

    A STRATEGIC PLAN FOR HARBOR BRANCH OCEANOGRAPHIC INSTITUTE AT FLORIDA ATLANTIC UNIVERSITY 2012­2017 RESEARCH, PARTNERSHIPS & STEWARDSHIP FOR THE FUTURE LIVING OCEANS OUR #12;CONTENTS About the Strategic Plan of Harbor Branch Resources............................................ 22 #12;1 ABOUT THE STRATEGIC PLAN

  5. Revised Final Independent External Peer Review Report for the East Branch Dam, Clarion River,

    E-Print Network [OSTI]

    US Army Corps of Engineers

    Revised Final Independent External Peer Review Report for the East Branch Dam, Clarion River, Elk County, Pennsylvania: Dam Safety Modification Report Prepared by Battelle Memorial Institute Prepared Report East Branch Dam, Clarion River, Elk County, Pennsylvania: Dam Safety Modification Report

  6. Cold Spring Harbor Laboratory Waste Water Treatment Plant [The Inhabited Landscape: An Exhibition

    E-Print Network [OSTI]

    Architects, Centerbrook

    1988-01-01

    Spring Harbor Laboratory Waste Water Treatment Plant JuryThe Cold Spring Harbor Waste Water Treatment Plant makes aA Cold Spring Harbor Waste Water Treatment Plant Photograph

  7. Hydroelectric dams need billions for rehab

    SciTech Connect (OSTI)

    Carr, F.H.; Soast, A.

    1993-01-11

    Many of the Corps of Engineers older hydroelectric dams will require major rehabilitation over the next ten years. Preventive maintenance, repair work, and major rehabilitation of the Corp's hydro dams in inadequate because the revenue generated by sales of electricity, by law, is returned to the Treasury. Most multimillion dollar rehabilitation projects require specific approval for funding by Congress and securing it is a long and difficult process. It is hoped the funding problem will soon be addressed by the Clinton administration. Already, nearly one-sixth of the 2,154 Mw of hydro is unavailable because with hydro units are either out of service or operating at less than full capacity.

  8. Lac Courte Oreilles Hydro Dam Assessment

    SciTech Connect (OSTI)

    Weaver, Jason; Meyers, Amy

    2014-12-31

    The main objective of this project was to investigate upgrading the existing hydro power generating system at the Winter Dam. The tribe would like to produce more energy and receive a fair market power purchase agreement so the dam is no longer a drain on our budget but a contributor to our economy. We contracted Kiser Hydro, LLC Engineering for this project and received an engineering report that includes options for producing more energy with cost effective upgrades to the existing turbines. Included in this project was a negotiation of energy price sales negotiations.

  9. Community Ice Sheet Model (CISM2) Development and Marine Ice...

    Office of Scientific and Technical Information (OSTI)

    Conference: Community Ice Sheet Model (CISM2) Development and Marine Ice Sheet Simulations Citation Details In-Document Search Title: Community Ice Sheet Model (CISM2) Development...

  10. MFR PAPER 1222 Effects of Dams on Pacific Salmon

    E-Print Network [OSTI]

    . Their numbers were few and their total effect was relatively minor. In the 1880's dams for hydroelectric power. In the 1930's major hydroelectric dams were built on the mainstem Columbia River (Fig. I), initiating

  11. Student Competition: Siting Potential Dams at Camp Del Webb, Utah

    E-Print Network [OSTI]

    Wamser, William Kyle

    2007-11-14

    Siting Potential Dams at Camp Del Webb, Utah Presented By: Kyle Wamser Problem ? Camp Del Webb is Lacking an Onsite Lake ? High Adventure Bases generally need aquatics ? Large lake nearby, but transportation is required ? Possible Solution... hillshade ? Finding Possible Lake Locations ? Added three potential dam sites ? Calculated watersheds ? Extended dams through terrain to prevent runoff on the sides ? Calculated watershed dam elevation, which identified lakes Results...

  12. Sequential Threat Detection for Harbor Defense: An X-ray Physics...

    Office of Scientific and Technical Information (OSTI)

    Sequential Threat Detection for Harbor Defense: An X-ray Physics-Based Bayesian Approach Citation Details In-Document Search Title: Sequential Threat Detection for Harbor Defense:...

  13. Arctic ice islands

    SciTech Connect (OSTI)

    Sackinger, W.M.; Jeffries, M.O.; Lu, M.C.; Li, F.C.

    1988-01-01

    The development of offshore oil and gas resources in the Arctic waters of Alaska requires offshore structures which successfully resist the lateral forces due to moving, drifting ice. Ice islands are floating, a tabular icebergs, up to 60 meters thick, of solid ice throughout their thickness. The ice islands are thus regarded as the strongest ice features in the Arctic; fixed offshore structures which can directly withstand the impact of ice islands are possible but in some locations may be so expensive as to make oilfield development uneconomic. The resolution of the ice island problem requires two research steps: (1) calculation of the probability of interaction between an ice island and an offshore structure in a given region; and (2) if the probability if sufficiently large, then the study of possible interactions between ice island and structure, to discover mitigative measures to deal with the moving ice island. The ice island research conducted during the 1983-1988 interval, which is summarized in this report, was concerned with the first step. Monte Carlo simulations of ice island generation and movement suggest that ice island lifetimes range from 0 to 70 years, and that 85% of the lifetimes are less then 35 years. The simulation shows a mean value of 18 ice islands present at any time in the Arctic Ocean, with a 90% probability of less than 30 ice islands. At this time, approximately 34 ice islands are known, from observations, to exist in the Arctic Ocean, not including the 10-meter thick class of ice islands. Return interval plots from the simulation show that coastal zones of the Beaufort and Chukchi Seas, already leased for oil development, have ice island recurrences of 10 to 100 years. This implies that the ice island hazard must be considered thoroughly, and appropriate safety measures adopted, when offshore oil production plans are formulated for the Alaskan Arctic offshore. 132 refs., 161 figs., 17 tabs.

  14. INCORPORATING UNCERTAINTY INTO DAM SAFETY RISK Sanjay S. Chauhan1

    E-Print Network [OSTI]

    Bowles, David S.

    INCORPORATING UNCERTAINTY INTO DAM SAFETY RISK ASSESSMENT Sanjay S. Chauhan1 and David S. Bowles2 ABSTRACT Risk assessment is becoming more widely used to supplement traditional approaches to dam safety decision-making. Dam owners throughout Australia, the U.S. Army Corps of Engineers, and the U.S. Bureau

  15. Wavelet-Based Multiresolution Analysis of Wivenhoe Dam Water Temperatures

    E-Print Network [OSTI]

    Percival, Don

    Wavelet-Based Multiresolution Analysis of Wivenhoe Dam Water Temperatures Don Percival Applied monitoring program recently upgraded with perma- nent installation of vertical profilers at Lake Wivenhoe dam in a subtropical dam as a function of time and depth · will concentrate on a 600+ day segment of temperature fluc

  16. MURTHY, MURTY AND RAGHUPATHY Designing Earth Dams Optimally

    E-Print Network [OSTI]

    Murty, Katta G.

    [ 91 ] MURTHY, MURTY AND RAGHUPATHY Designing Earth Dams Optimally G S R Murthy1 , Katta G Murty2, it aims at formulating the problem of designing earth dams as an optimization problem. The problem provides mathematical modeling for optimizing earth dam designs and for computing the factor of safety

  17. Dam-Breach Flood Wave Propagation Using Dimensionless Parameters

    E-Print Network [OSTI]

    Ponce, V. Miguel

    Dam-Breach Flood Wave Propagation Using Dimensionless Parameters Victor M. Ponce, M.ASCE1 ; Ahmad to study the sensitivity of dam-breach flood waves to breach-outflow hydrograph volume, peak discharge the channel. A dam-breach Froude number is defined to enable analysis through a wide range of site and flow

  18. September 17, 2012 Dam Safety' 12, ASDSO| Denver, CO

    E-Print Network [OSTI]

    Bowles, David S.

    September 17, 2012 Dam Safety' 12, ASDSO| Denver, CO Anurag Srivastava, David S. Bowles and Sanjay trees are a valuable way to model dam safety risks: · Loading (e.g. flood, earthquake) · System response in commercially-available event tree software applied to dam safety risk assessment · Discrete business risk

  19. Abstract Interpretation of Reactive Systems DENNIS DAMS and ROB GERTH

    E-Print Network [OSTI]

    Grumberg, Orna

    Abstract Interpretation of Reactive Systems DENNIS DAMS and ROB GERTH Eindhoven University, formal methods, model checking, mu-calculus, reactive systems Correspondenceaddress: D. Dams, Dept;112 Dennis Dams et al. 1. INTRODUCTION In the model-checking approach Queille and Sifakis 1982 Clarke et al

  20. Abstract Interpretation of Reactive Systems DENNIS DAMS and ROB GERTH

    E-Print Network [OSTI]

    Dams, Dennis

    Abstract Interpretation of Reactive Systems DENNIS DAMS and ROB GERTH Eindhoven University, formal methods, model checking, mu­calculus, reactive systems Correspondence address: D. Dams, Dept; 112 \\Delta Dennis Dams et al. 1. INTRODUCTION In the model­checking approach [Queille and Sifakis 1982

  1. THREE GORGES DAM Matthew Morioka, Alireza Abrishamkar, Yve Kay

    E-Print Network [OSTI]

    Prevedouros, Panos D.

    THREE GORGES DAM Matthew Morioka, Alireza Abrishamkar, Yve Kay CEE 491 #12;Specifications.3 Billion · Total Cost (2008) ¥ 148.4 Billion = $ 21.8 Billion #12;Source of Funds · Three Gorges Dam Construction Fund · Profits from the Gezhouba Dam · Policy Loans from the Chinese Development Bank · Loans from

  2. ORIGINAL ARTICLE Big dams and salmon evolution: changes in thermal

    E-Print Network [OSTI]

    Angilletta, Michael

    ORIGINAL ARTICLE Big dams and salmon evolution: changes in thermal regimes and their potential (Oncorhynchus spp.) across portions of their natural range, dams have arguably played a major role in many locations (NRC 1996; Lichatowich 1999; Ruckelshaus et al. 2002). Large dams (>15 m tall)­ designed

  3. Dams and Water Developments1 Robert H. Schueneman

    E-Print Network [OSTI]

    Dams and Water Developments1 Robert H. Schueneman 2/ 1/ Presented at the National Conference dams and reservoirs, channelization and erosion control on rivers and tributaries, and coastal works. Such activities include dams and asso- ciated reservoirs, flood and erosion control on tributaries and rivers

  4. GEOSYNTHETIC DAM LINING SYSTEMS By: Christine T. Weber1

    E-Print Network [OSTI]

    Zornberg, Jorge G.

    GEOSYNTHETIC DAM LINING SYSTEMS By: Christine T. Weber1 and Jorge Zornberg, Advisor Abstract: The overall goal of this project is to contribute towards the use of geosynthetics in the design of dams geomembrane and composite liners under conditions representative of dams. There has been previous work done

  5. White Oak Dam stability analysis. Volume I

    SciTech Connect (OSTI)

    Ahmed, S.B.

    1994-01-01

    A parametric study was conducted to evaluate the stability of the White Oak Dam (WOD) embankment and foundation. Slope stability analyses were performed for the upper and lower bound soil properties at three sections of the dam using the PCSTABL4 computer program. Minimum safety factors were calculated for the applicable seismic and static loading conditions. Liquefaction potential of the dam embankment and foundation solid during the seismic event was assessed by using simplified procedures. The WOD is classified as a low hazard facility and the Evaluation Basis Earthquake (EBE) is defined as an earthquake with a magnitude of m{sub b} = 5.6 and a Peak Ground Accelerator (PGA) of 0.13 g. This event is approximately equivalent to a Modified Mercalli Intensity of VI-VIII. The EBE is used to perform the seismic evaluation for slope stability and liquefaction potential. Results of the stability analyses and the liquefaction assessment lead to the conclusion that the White Oak Dam is safe and stable for the static and the seismic events defined in this study. Ogden Environmental, at the request of MMES, has checked and verified the calculations for the critical loading conditions and performed a peer review of this report. Ogden has determined that the WOD is stable under the defined static and seismic loading conditions and the embankment materials are in general not susceptible to liquefaction.

  6. Wenatchee Subbasin Plan EFFECTS OF HYDROELECTRIC DAMS

    E-Print Network [OSTI]

    of anadromous salmonids. Run-of river dams present passage obstacles to both adult and juvenile migrantsAnalysts April 2004 The existence and operation of the Columbia River Hydrosystem poses risks to wild populations focuses on Upper Columbia River populations, but in some cases refers to data from the Snake River

  7. Imaging sonar-aided navigation for autonomous underwater harbor surveillance

    E-Print Network [OSTI]

    Johannsson, Hordur

    In this paper we address the problem of drift-free navigation for underwater vehicles performing harbor surveillance and ship hull inspection. Maintaining accurate localization for the duration of a mission is important ...

  8. Incoporating rubble mound jetties in elliptic harbor wave models 

    E-Print Network [OSTI]

    Zhang, Jianfeng

    2007-09-17

    Simulation models based on the elliptic mild or steep slope wave equation are frequently used to estimate wave properties needed for the engineering calculations of harbors. To increase the practical applicability of such models, a method...

  9. The environmental management of a ship channel-harbor complex 

    E-Print Network [OSTI]

    Reavis, Marvin William

    1976-01-01

    the Environmental Management of a Ship Channel-Harbor Complex 120 12g LIST OF FIGURES ~Fi ure 1 Major Ports of the Texas Gulf Coast Oil Spills by County, January 1973? November 1974 . Causes of Spills by Incident and Volume, January 1973 - November 1974.... Ouantity of Oil Spilled by Cause, January 1973 - November 1974. Expected Shape of 50, 000 Barrel/Day Spill After Four Hours. Dissolved Oxygen Profile Corpus Christi Inner Harbor. Dissolved Oxygen Profile Corpus Christi Ship Channel. Station...

  10. Ice electrode electrolytic cell

    DOE Patents [OSTI]

    Glenn, D.F.; Suciu, D.F.; Harris, T.L.; Ingram, J.C.

    1993-04-06

    This invention relates to a method and apparatus for removing heavy metals from waste water, soils, or process streams by electrolytic cell means. The method includes cooling a cell cathode to form an ice layer over the cathode and then applying an electric current to deposit a layer of the heavy metal over the ice. The metal is then easily removed after melting the ice. In a second embodiment, the same ice-covered electrode can be employed to form powdered metals.

  11. Ice electrode electrolytic cell

    DOE Patents [OSTI]

    Glenn, David F. (Idaho Falls, ID); Suciu, Dan F. (Idaho Falls, ID); Harris, Taryl L. (Idaho Falls, ID); Ingram, Jani C. (Idaho Falls, ID)

    1993-01-01

    This invention relates to a method and apparatus for removing heavy metals from waste water, soils, or process streams by electrolytic cell means. The method includes cooling a cell cathode to form an ice layer over the cathode and then applying an electric current to deposit a layer of the heavy metal over the ice. The metal is then easily removed after melting the ice. In a second embodiment, the same ice-covered electrode can be employed to form powdered metals.

  12. Dam Safety 2015 | Department of Energy

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE:FinancingPetroleum Based| Department8, 20153 METHODSDOE/LaborSeptemberEnergy DS02:Dam Safety

  13. Dams have played an important role in human development throughout the world for thousands

    E-Print Network [OSTI]

    He, Fangliang

    Dams have played an important role in human development throughout the world for thousands of years dams (>15 m in height) and an estimated 800 000 small dams had been built worldwide (WCD 2000 than 22 000 large dams (but only 22 before 1949), China is the largest dam-building country; by way

  14. Providing protection: Agencies receive funding to repair, upgrade dams 

    E-Print Network [OSTI]

    Wythe, Kathy

    2009-01-01

    by Kathy Wythe tx H2O | pg. 26 Providing protection Agencies receive funding to repair, upgrade dams along with local partners, can apply for grant funds, he said. Construction of the dams began through four federal authorizations passed between... 1944 and 1981. Land rights were acquired from landowners, and local agencies constructed the dams with federal money from NRCS (formerly the Soil Conservation Service). Local sponsors?including cities, counties, local soil and water conservation...

  15. EA-1994: Malheur Resource Area Jonesboro Diversion Dam Replacement...

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

    Burns Paiute Tribe for replacement of an existing diversion dam and installation of a fish passage structure. BPA's proposed action was to fund the project. PUBLIC COMMENT...

  16. Optimal Dam Construction under Climate Change Uncertainty and Anticipated Learning

    E-Print Network [OSTI]

    Cameron-Loyd, Patricia Jane

    2012-01-01

    CBA ..dam. Cost-bene…t analysis (CBA) and it’s close cousin, Cost-methods. Two extreme views of CBA follow, the …rst from

  17. Travertine Deposits of Soda Dam, New Mexico, and Their Implications...

    Open Energy Info (EERE)

    of the Valles caldera hydrothermal system. Soda Dam discharges from Paleozoic and Precambrian rocks in San Diego Canyon southwest of the caldera, and the canyon was filled...

  18. Title 33 USC 401 Construction of Bridges, Causeways, Dams or...

    Open Energy Info (EERE)

    Title 33 USC 401 Construction of Bridges, Causeways, Dams or Dikes Generally; Exemptions Jump to: navigation, search OpenEI Reference LibraryAdd to library Legal Document-...

  19. PROJECT NAME: MEMPHIS AVE. DAM (EPWU Dam #4-TX07017) 1. Provide the name of all non-Federal interests planning to act as the sponsor, including

    E-Print Network [OSTI]

    US Army Corps of Engineers

    PROJECT NAME: MEMPHIS AVE. DAM (EPWU Dam #4-TX07017) 1. Provide the name of all non. The purpose for the feasibility study is to determine the need to update/upgrade the dam in order to assist (NFIP), which allows for flood insurance discounts to local residents. #12;Image 1: Dam location

  20. PROJECT NAME: NASHVILLE AVE. DAM (EPWU Dam #3-1. Provide the name of all non-Federal interests planning to act as the sponsor, including

    E-Print Network [OSTI]

    US Army Corps of Engineers

    PROJECT NAME: NASHVILLE AVE. DAM (EPWU Dam #3- TX07016) 1. Provide the name of all non. The purpose for the feasibility study is to determine the need to update/upgrade the dam in order to assist;Image 1: Dam location and affected community areas l.egend lmoiReiJii

  1. PROJECT NAME: MOREHEAD AVE. DAM (EPWU Dam #2-TX07015) 1. Provide the name of all non-Federal interests planning to act as the sponsor, including

    E-Print Network [OSTI]

    US Army Corps of Engineers

    PROJECT NAME: MOREHEAD AVE. DAM (EPWU Dam #2- TX07015) 1. Provide the name of all non. The purpose for the feasibility study is to determine the need to update/upgrade the dam in order to assist (NFIP), which allows for flood insurance discounts to local residents. #12;Image 1: Dam location

  2. PROJECT NAME: CLIFF ST. DAM (EPWU Dam #10-TX07023) 1. Provide the name of all non-Federal interests planning to act as the sponsor, including

    E-Print Network [OSTI]

    US Army Corps of Engineers

    PROJECT NAME: CLIFF ST. DAM (EPWU Dam #10- TX07023) 1. Provide the name of all non. The purpose for the feasibility study is to determine the need to update/upgrade the dam in order to assist (NFIP), which allows for flood insurance discounts to local residents. #12;Image 1: Dam location

  3. Grand River Dam Authority | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIX E LISTStar2-0057-EA Jump to:ofEniaElectricHydro Electric Co P Ltd Jump to:County2Dam

  4. Milner Dam Wind Park | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIXsource HistoryScenariosMarysvilleMicrogravity-HybridCredits LLCLandfill BiomassMilner Dam

  5. Dams and Energy Sectors Interdependency Study

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE:FinancingPetroleum Based| Department8, 20153 METHODSDOE/LaborSeptemberEnergy DS02:DamDamienType

  6. The distribution of dams in Costa Rica and their hydrologic impacts 

    E-Print Network [OSTI]

    Laurencio, Laura Richards

    2006-04-12

    Dam construction has increased exponentially over the past century, primarily in temperate environments. While the impacts of dams in temperate regions have been well-documented, a parallel level of research on dam impacts ...

  7. High Dams and Marine-Freshwater Linkages: Effects on Native and Introduced Fauna in the Caribbean

    E-Print Network [OSTI]

    Holmquist, Jeffrey G; Schmidt-Gengenbach, Jutta; Yoshioka, Beverly Buchanan

    1998-01-01

    in relation to hydroelectric dams in the Amazon Basin.effects of the Kafue Gorge Dam. Transactions of the Americanof fishways and impact of dams on the migration of grayling

  8. Probabilistic Seismic Hazard Analysis for a Dam Site in Calabria (Southern Italy)

    E-Print Network [OSTI]

    Zimmaro, Paolo; Stewart, Jonathan P.

    2015-01-01

    expected accelerations for some dam sites in Southern Italy,Seismic Hazard Analysis for a Dam Site in Calabria (SouthernSeismic Hazard Analysis for a Dam Site in Calabria (Southern

  9. Historical Population Structure of Central Valley Steelhead and Its Alteration by Dams

    E-Print Network [OSTI]

    2006-01-01

    M. 2005. Creating a comprehensive dam dataset for assessingand its Alteration by Dams STEVEN T. LINDLEY 1 , ROBERT S.Pres- ently, impassable dams block access to 80% of

  10. The Downstream Geomorphic Effects of Dams: A Comprehensive and Comparative Approach

    E-Print Network [OSTI]

    Minear, Justin Toby

    2010-01-01

    gages used and the dates of the pre- and post-dam periods.and its alteration by dams. San Francisco Estuary andof water and sediment on rigid dam, J. Eng. Mech. , 119(7),

  11. Historical Shoreline Evolution as a Response to Dam Placement on the Elwha River, Washington

    E-Print Network [OSTI]

    Nagid, Bethany Marie

    2015-01-01

    patterns and processes prior to dam removal: U.S. Geologicalprior to large-scale dam removal in the Elwha River,P.B. , 2015, Large-scale dam removal on the Elwha River,

  12. Global Simulations of Ice nucleation and Ice Supersaturation...

    Office of Scientific and Technical Information (OSTI)

    Article: Global Simulations of Ice nucleation and Ice Supersaturation with an Improved Cloud Scheme in the Community Atmosphere Model Citation Details In-Document Search Title:...

  13. DRAFT San Acacia Reach San Acacia Dam to Escondida Bridge

    E-Print Network [OSTI]

    Julien, Pierre Y.

    DRAFT San Acacia Reach San Acacia Dam to Escondida Bridge Hydraulic Modeling Analysis 1918, hydraulic modeling analyses have been performed on the San Acacia reach to determine the changes by Reclamation on the San Acacia reach. The 11.6 mile long extends from the San Acacia Diversion dam (River Mile

  14. San Acacia Reach San Acacia Dam to Escondida Bridge

    E-Print Network [OSTI]

    Julien, Pierre Y.

    San Acacia Reach San Acacia Dam to Escondida Bridge Hydraulic Modeling Analysis 1918-2006 Middle, hydraulic modeling analyses have been performed on the San Acacia reach to determine the changes by Reclamation on the San Acacia reach. The 11.6 mile long reach extends from the San Acacia Diversion dam (River

  15. Processes affecting the spatial and temporal variability of methane in a temperate dammed river system

    E-Print Network [OSTI]

    Bilsley, Nicole A.

    2012-01-01

    gas emissions from a hydroelectric reservoir (Brazil’sgas emissions from hydroelectric dams: controversies provideP. M. , 2005a. Do hydroelectric dams mitigate global

  16. California’s North Coast Fishing Communities Historical Perspective and Recent Trends: Fort Bragg/Noyo Harbor Fishing Community Profile

    E-Print Network [OSTI]

    Pomeroy, Caroline; Thomson, Cynthia J.; Stevens, Melissa M.

    2011-01-01

    3/29/10. Fort Bragg/Noyo Harbor Fishing Community ProfileFort Bragg/Noyo Harbor Fishing Community Profile Henning.Fort Bragg/Noyo Harbor Fishing Community Profile PSMFC.

  17. ORIGINAL ARTICLE Co-habiting amphibian species harbor unique skin

    E-Print Network [OSTI]

    McKenzie, Valerie

    ; microbiome Introduction All species of plants and animals harbor assem- blages of microbes the microbiomes of different species of animals, and fewer still have examined animals in the wild. We sampled: microbe­microbe and microbe­host interactions Keywords: amphibian; skin; bacteria; host specific

  18. QER- Comment of Lake Charles Harbor & Terminal District

    Broader source: Energy.gov [DOE]

    Good Afternoon, Please find the Lake Charles Harbor and Terminal District’s comments on Infrastructure Constraints in re: the QER Investigation hearing scheduled for Bismarck, ND on August 8, 2014. Please include these comments in the public record of the hearing. Thank you.

  19. Geologic Maps and Structures Name ______________________________ Geology 100 Harbor section

    E-Print Network [OSTI]

    Harbor, David

    Geologic Maps and Structures Name ______________________________ Geology 100 ­ Harbor section The objectives of this lab are for you to learn the basic geologic structures in 3-D and to develop some facility in interpreting the nature of geologic structures from geologic maps and geologic cross sections. A big part

  20. Geologic Maps and Structures Name ______________________________ Geology 100 Harbor section

    E-Print Network [OSTI]

    Harbor, David

    Geologic Maps and Structures Name ______________________________ Geology 100 ­ Harbor section Read Ch. 7 before you begin. The objectives of this lab are for you to learn the basic geologic structures in 3-D and to develop some facility in interpreting the nature of geologic structures from geologic

  1. RADIO TRACKING THE MOVEMENTS AND ACTIVITIES OF HARBOR PORPOISES, PHOCOENA PHOCOENA (L.), IN

    E-Print Network [OSTI]

    RADIO TRACKING THE MOVEMENTS AND ACTIVITIES OF HARBOR PORPOISES, PHOCOENA PHOCOENA (L.), IN THE BAY OF FUNDY, CANADA ANDREW J. READ AND DAVID E. GASKIN! ABSTRAcr Eight harbor porpoises were radio-tagged (172 of contact with radio-tagged animals ranged from 0.3 to 22.4 days. One harbor porpoise was tracked for 22

  2. ANNUAL REPORT TO CONGRESS STATUS OF THE HARBOR MAINTENANCE TRUST FUND

    E-Print Network [OSTI]

    US Army Corps of Engineers

    ANNUAL REPORT TO CONGRESS STATUS OF THE HARBOR MAINTENANCE TRUST FUND FISCAL YEARS 2000, 2001 AND 2002 #12;ii #12;iii ANNUAL REPORT TO CONGRESS STATUS OF THE HARBOR MAINTENANCE TRUST FUND FISCAL YEARS, Fiscal Year 2002 (Actual, $000) #12;vi #12;vii ANNUAL REPORT TO CONGRESS STATUS OF THE HARBOR MAINTENANCE

  3. Arctic Sea ice model sensitivities.

    SciTech Connect (OSTI)

    Peterson, Kara J.; Bochev, Pavel Blagoveston; Paskaleva, Biliana Stefanova

    2010-12-01

    Arctic sea ice is an important component of the global climate system and, due to feedback effects, the Arctic ice cover is changing rapidly. Predictive mathematical models are of paramount importance for accurate estimates of the future ice trajectory. However, the sea ice components of Global Climate Models (GCMs) vary significantly in their prediction of the future state of Arctic sea ice and have generally underestimated the rate of decline in minimum sea ice extent seen over the past thirty years. One of the contributing factors to this variability is the sensitivity of the sea ice state to internal model parameters. A new sea ice model that holds some promise for improving sea ice predictions incorporates an anisotropic elastic-decohesive rheology and dynamics solved using the material-point method (MPM), which combines Lagrangian particles for advection with a background grid for gradient computations. We evaluate the variability of this MPM sea ice code and compare it with the Los Alamos National Laboratory CICE code for a single year simulation of the Arctic basin using consistent ocean and atmospheric forcing. Sensitivities of ice volume, ice area, ice extent, root mean square (RMS) ice speed, central Arctic ice thickness,and central Arctic ice speed with respect to ten different dynamic and thermodynamic parameters are evaluated both individually and in combination using the Design Analysis Kit for Optimization and Terascale Applications (DAKOTA). We find similar responses for the two codes and some interesting seasonal variability in the strength of the parameters on the solution.

  4. A. Reservoir Effects of Stream Channels DAM IMPACTS ON AND RESTORATION OF AN ALLUVIAL RIVER

    E-Print Network [OSTI]

    Julien, Pierre Y.

    and reservoirs on alluvial rivers extends both upstream and downstream of the dam. Downstream of dams, both dam construction, the downstream channel bed degraded and coarsened to gravel size, and the planform of the river channels downstream of dams. Additionally, hydrologic and geomorphic impacts lead to changes

  5. Signature of Rhine Valley sturzstrom dam failures in Holocene sediments of Lake Constance, Germany

    E-Print Network [OSTI]

    Gilli, Adrian

    Signature of Rhine Valley sturzstrom dam failures in Holocene sediments of Lake Constance, Germany 4 November 2003; received in revised form 12 April 2004; accepted 26 April 2004 Abstract Landslide-dammed that the hyperpycnite deposits are directly related to the failure of two sturzstrom dams and the draining of the dammed

  6. DOWNSTREAM CHANNEL CHANGES AFTER A SMALL DAM REMOVAL: USING AERIAL PHOTOS AND MEASUREMENT ERROR FOR CONTEXT;

    E-Print Network [OSTI]

    Tullos, Desiree

    DOWNSTREAM CHANNEL CHANGES AFTER A SMALL DAM REMOVAL: USING AERIAL PHOTOS AND MEASUREMENT ERROR and Ecological Engineering, Oregon State University, Corvallis, OR, USA ABSTRACT Dam removal is often implemented to assess downstream channel changes associated with a small dam removal. The Brownsville Dam, a 2.1 m tall

  7. Experimental Study on Impact Load on a Dam Due to Debris Flow1

    E-Print Network [OSTI]

    Experimental Study on Impact Load on a Dam Due to Debris Flow1 lwao Miyoshi2 ABSTRACT When a dam such destruction, it is important to perform basic research about the impact load on a dam due to debris flow. Thus on the dam. The experiment was performed with glass beads of 5mm in diameter as bulk solid, in an open

  8. TSSGNEO suggestions for refinement of safety criteria for dam at the Sayano-Shushenskaya HPP

    SciTech Connect (OSTI)

    Savich, A. I.; Gaziev, E. G.

    2013-09-15

    Analysis of radial-displacements of the dam, measured by direct and inverted plumb lines, indicates that curves of the variation in radial displacements of the dam at different elevations make it possible to plot diagrams of increases in the radial displacement over the entire height of the dam, i.e., inclines of the axis of the dam to the vertical.

  9. Institute for Water Resources, US Army Corps of Engineers Australian National Committee on Large Dams

    E-Print Network [OSTI]

    Bowles, David S.

    Committee on Large Dams LIFESim: A Model for Estimating Dam Failure Life Loss DRAFT by Maged A. Aboelata and David S. Bowles Institute for Dam Safety Risk Management Utah State University Logan, Utah 2005 #12;ii ABSTRACT Catastrophic events such as dam failures or severe floods are considered to be of low probability

  10. Sediment from hydraulic mining detained by Englebright and small dams in the Yuba basin

    E-Print Network [OSTI]

    James, L. Allan

    Sediment from hydraulic mining detained by Englebright and small dams in the Yuba basin L. Allan substantial modifications or removal of Englebright Dam, a large dam (86 million m3 capacity) built by the U organizations, therefore, is examining aspects of various dam-treatment scenarios that range from no action

  11. Introduction to the special issue: Understanding and linking the biophysical, socioeconomic and geopolitical effects of dams

    E-Print Network [OSTI]

    Tullos, Desiree

    , socioeconomic and geopolitical effects of dams 1. Introduction Dams have made important contributions to human develop- ment, and the benefits derived from them have been considerable (World Commission on Dams, 2000). With the rising global popu- lation and desire to increase quality of life, dams are prominently staged to deliver

  12. Does Small Dam Removal Affect Local Property Values? An Empirical Analysis Bill Provencher

    E-Print Network [OSTI]

    Provencher, R. William

    Does Small Dam Removal Affect Local Property Values? An Empirical Analysis Bill Provencher of small dam removal on property values in south-central Wisconsin. Data on residential property sales were obtained for three categories of sites: those where a dam is intact, those where a dam was recently removed

  13. Proceedings of the Australian Committee on Large Dams Conference, Melbourne, Victoria, Australia. November 2004

    E-Print Network [OSTI]

    Bowles, David S.

    Proceedings of the Australian Committee on Large Dams Conference, Melbourne, Victoria, Australia. November 2004 ANCOLD 2004 Conference Page 1 TRANSPORTATION MODEL FOR EVACUATION IN ESTIMATING DAM FAILURE for estimating potential life loss from natural and dam-failure floods. LIFESim can be used for dam safety risk

  14. LEAKAGE THROUGH GEOSYNTHETIC DAM LINING SYSTEMS Christine T. Weber, The University of Texas at Austin

    E-Print Network [OSTI]

    Zornberg, Jorge G.

    LEAKAGE THROUGH GEOSYNTHETIC DAM LINING SYSTEMS Christine T. Weber, The University of Texas for a range of conditions representative of dams, including representative hydraulic heads and soil hydraulic liner as a redundant lining system for earth dams. Introduction Embankment dams are susceptible

  15. Peak discharge of a Pleistocene lava-dam outburst flood in Grand Canyon, Arizona, USA

    E-Print Network [OSTI]

    in channel geometry, dam height, and hydraulic characteristics, ranged from 2.3 to 5.3 × 105 m3 s-1 Canyon; Colorado river; Pleistocene floods; Lava dams; Hydraulic modeling; Paleoflood indicators; DamPeak discharge of a Pleistocene lava-dam outburst flood in Grand Canyon, Arizona, USA Cassandra R

  16. Building Energy Audit Report for Pearl Harbor, HI

    SciTech Connect (OSTI)

    Brown, Daryl R.; Chvala, William D.; De La Rosa, Marcus I.; Dixon, Douglas R.

    2010-09-30

    A building energy audit was performed by a team of engineers from Pacific Northwest National Laboratory (PNNL) under contract to the Department of Energy/Federal Energy Management Program (FEMP). The effort used the Facility Energy Decision System (FEDS) model to determine how energy is consumed at selected Pearl Harbor buildings, identify cost-effective energy retrofit measures, and calculate the potential energy and cost savings. This report documents the findings of that assessment.

  17. Herald Harbor, Maryland: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QAsource History View NewTexas: Energy Resources Jump to: navigation,NavigationIndiana:Herald Harbor, Maryland:

  18. Sackets Harbor, New York: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page onRAPID/Geothermal/Exploration/ColoradoRemsenburg-Speonk, NewMichigan:Roxbury,RushS.KSPARQLSackets Harbor, New York:

  19. Alaska Harbors Geothermal Energy Potential | Department of Energy

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE: Alternative FuelsofProgram:Y-12 Beta-3AUDITLeslie PezzulloAgendaChampion: CraigHarbors Geothermal

  20. Route-Specific Passage Proportions and Survival Rates for Fish Passing through John Day Dam, The Dalles Dam, and Bonneville Dam in 2010 and 2011

    SciTech Connect (OSTI)

    Ploskey, Gene R.; Weiland, Mark A.; Carlson, Thomas J.

    2012-06-04

    This report fulfills a request of the U.S. Army Engineer District, Portland, Oregon, to produce an interim report of estimates of route-specific fish passage proportions and survival rates for lower Columbia River dams in 2010 and 2011. The estimates are needed to update the Compass Model for the Columbia River Treaty and the new Biological Opinion before detail technical reports are published in late 2012. This report tabulates route-specific fish-passage proportions and survival rates for steelhead and Chinook salmon smolts passing through various sampled routes at John Day Dam, The Dalles Dam, and Bonneville Dam in 2010 and 2011. Results were compiled from analyses of data acquired in spring 2010 and 2011 studies that were specifically designed to estimate dam-passage and forebay-to-tailrace survival rates, travel time metrics, and spill passage efficiency, as stipulated by the 2008 Federal Columbia River Power System Biological Opinion and the Columbia Basin Fish Accords. The study designs allowed for estimation of route-specific fish passage proportions and survival rates as well as estimation of forebay-passage survival, all of which are summarized herein.

  1. BPA customers get insider view of FCRPS dam operations

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

    wonder and respect. That energy was abundant among a group of about 50 Northwest public power customers who spent a day exploring McNary Dam, a U.S. Army Corps of Engineers'...

  2. Ice Bear® Storage Module | Department of Energy

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

    Ice Bear Storage Module Ice Bear Storage Module Thermal Energy Storage for Light Commercial Refrigerant-Based Air Conditioning Units The Ice Bear storage technology was...

  3. Simulating dam removal with a 1D hydraulic model: Accuracy and techniques for reservoir erosion and downstream deposition at the Chiloquin Dam removal

    E-Print Network [OSTI]

    Tullos, Desiree

    Simulating dam removal with a 1D hydraulic model: Accuracy and techniques for reservoir erosion and downstream deposition at the Chiloquin Dam removal Desiree Tullos1 , Matt Cox1 , Cara Walter1 1 Department are often used to reduce uncertainty regarding the outcomes of dam removal, though the accuracy

  4. Envir202b Earth, Air, Water: the Human Context Winter 2003 F. Stahr The River Dammed: Proposed Removal of the Lower Snake River Dams A Case Study

    E-Print Network [OSTI]

    Envir202b ­ Earth, Air, Water: the Human Context Winter 2003 F. Stahr The River Dammed: Proposed Removal of the Lower Snake River Dams ­ A Case Study Assignment & Schedule for Day 2 We will next work as your group will be asked to answer the following questions: 1) What changes (if any) to the dams

  5. Temporary Restoration of Bull Trout Passage at Albeni Falls Dam

    SciTech Connect (OSTI)

    Paluch, Mark; Scholz, Allan; McLellan, Holly; Olson, Jason

    2009-07-13

    This study was designed to monitor movements of bull trout that were provided passage above Albeni Falls Dam, Pend Oreille River. Electrofishing and angling were used to collect bull trout below the dam. Tissue samples were collected from each bull trout and sent to the U. S. Fish and Wildlife Service Abernathy Fish Technology Center Conservation Genetics Lab, Washington. The DNA extracted from tissue samples were compared to a catalog of bull trout population DNA from the Priest River drainage, Lake Pend Oreille tributaries, and the Clark Fork drainage to determine the most probable tributary of origin. A combined acoustic radio or radio tag was implanted in each fish prior to being transported and released above the dam. Bull trout relocated above the dam were able to volitionally migrate into their natal tributary, drop back downstream, or migrate upstream to the next dam. A combination of stationary radio receiving stations and tracking via aircraft, boat, and vehicle were used to monitor the movement of tagged fish to determine if the spawning tributary it selected matched the tributary assigned from the genetic analysis. Seven bull trout were captured during electrofishing surveys in 2008. Of these seven, four were tagged and relocated above the dam. Two were tagged and left below the dam as part of a study monitoring movements below the dam. One was immature and too small at the time of capture to implant a tracking tag. All four fish released above the dam passed by stationary receivers stations leading into Lake Pend Oreille and no fish dropped back below the dam. One of the radio tags was recovered in the tributary corresponding with the results of the genetic test. Another fish was located in the vicinity of its assigned tributary, which was impassable due to low water discharge at its mouth. Two fish have not been located since entering the lake. Of these fish, one was immature and not expected to enter its natal tributary in the fall of 2008. The other fish was large enough to be mature, but at the time of capture its sex was unable to be determined, indicating it may not have been mature at the time of capture. These fish are expected to enter their natal tributaries in early summer or fall of 2009.

  6. Longitudinal and seasonal variation of stream N uptake in an urbanizing watershed: effect of organic matter, stream size, transient storage and debris dams

    E-Print Network [OSTI]

    Claessens, Luc; Tague, Christina L.; Groffman, Peter M.; Melack, John M.

    2010-01-01

    streams, organic debris dams can play an important role inin ?ow velocity when debris dams are hydraulically activecontact time. Therefore, debris dams can have an important

  7. Stone Harbor, New Jersey: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page| Open Energy Information Serbia-Enhancing CapacityVectren) JumpandStereoNew York: EnergyHarbor, New Jersey: Energy

  8. Harbor Hills, Ohio: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QAsource History View New PagesSustainableGlynnMassachusetts: EnergySoftware Inc Jump to: navigation,HarbisonHarbor

  9. Friday Harbor, Washington: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QAsource History View New PagesSustainable Urban TransportFortistar LLCNorthIdaho: EnergyTexas: EnergyFriday Harbor,

  10. Gig Harbor, Washington: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QAsource History View New PagesSustainable UrbanKentucky:BoreOpen EnergyGermencikWorldGig Harbor, Washington: Energy

  11. Grays Harbor County, Washington: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QAsource History View New PagesSustainableGlynn County, Georgia:Oregon: Energy ResourcesGratingsGrays Harbor County,

  12. Dering Harbor, New York: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTIONRobertsdale, Alabama (UtilityInstruments IncMississippi:DeltaFish LakeDepew, New York:Dering Harbor,

  13. Egg Harbor City, New Jersey: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTIONRobertsdale, AlabamaETEC GmbH Jump to:Providence,New Mexico: EnergyEnergyCreekEgg Harbor City, New

  14. Northwest Harbor, New York: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QAsource History ViewMayo, Maryland:NPI VenturesNew Hampshire:sourceNortheastNOVEC)Northvale, NewNorthwestHarbor,

  15. Palm Harbor, Florida: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QAsource History ViewMayo, Maryland:NPIProtectio Program |View New Pages Recent ChangesEt Al.,Harbor, Florida:

  16. Bay Harbor Islands, Florida: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION JEnvironmental Jump to:EAandAmminexInformationArkansas: Energy Resources JumpBayHarbor Islands,

  17. Cold Spring Harbor, New York: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTIONRobertsdale, Alabama (Utility Company) JumpIowa: EnergyEnergyCoherent Inc JumpSpring Harbor, New

  18. Los Angeles and Long Beach Harbors Model | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIXsource History ViewInformationWindsCompressedListguidedand Long Beach Harbors Model

  19. Development of age of dam and sex adjustment factors for preweaning traits of Brangus cattle 

    E-Print Network [OSTI]

    Cravey, Matthew David

    1989-01-01

    . 27 and . 41 kg less (from 2-, 3- and 4-yr-old dams, respectively) than male calves from 5+ yr-old dams. Female calves from 2-, 3-, and 4-year- old dams weighed 2. 64, 1. 26 and . 50 kg less, respectively, than heifers from 5+ yr-old dams. Roberson... affecting weaning weight (e. g. , Nelson and Kress, 1981). These two authors reported that compared to 5-10-yr-old dams, adjustments for calves were 21. 3, 11. 3, 5. 9 and 3. 2 kg from Angus dams aged two, three, four and 11+ yrs-of-age, respectively...

  20. Revision date: 11/15/11 Revised by: ACA (GLC) and DAM (TGS) GRADUATE EDUCATION EXPECTATIONS

    E-Print Network [OSTI]

    Revision date: 11/15/11 Revised by: ACA (GLC) and DAM (TGS) GRADUATE EDUCATION EXPECTATIONS/15/11 Revised by: ACA (GLC) and DAM (TGS) 9. Students should show ambition, dedication, and commitment

  1. Discrete Applied Mathematics 154 (2006) 16331639 www.elsevier.com/locate/dam

    E-Print Network [OSTI]

    Hartke, Stephen

    2006-01-01

    Discrete Applied Mathematics 154 (2006) 1633­1639 www.elsevier.com/locate/dam Note The elimination. doi:10.1016/j.dam.2005.11.009 #12;1634 Stephen G. Hartke / Discrete Applied Mathematics 154 (2006

  2. Channel adjustments following two dam removals in Wisconsin Martin W. Doyle

    E-Print Network [OSTI]

    Stanley, Emily

    the removal of low-head dams on two low- gradient, fine- to coarse-grained rivers in southern Wisconsin

  3. Compliance Monitoring of Subyearling Chinook Salmon Smolt Survival and Passage at Bonneville Dam, Summer 2012

    SciTech Connect (OSTI)

    Skalski, J. R.; Townsend, Richard L.; Seaburg, Adam; Ploskey, Gene R.; Weiland, Mark A.; Hughes, James S.; Woodley, Christa M.; Deng, Zhiqun; Carlson, Thomas J.

    2013-05-01

    The purpose of this compliance study was to estimate dam passage survival of subyearling Chinook salmon at Bonneville Dam during summer 2012, as required by the 2008 Federal Columbia River Power System Biological Opinion. The study also estimated smolt passage survival from the forebay 2 km upstream of the dam to the tailrace 1 km below the dam, as well as forebay residence time, tailrace egress, and spill passage efficiency, as required in the 2008 Columbia Basin Fish Accords.

  4. Dam breaking by wave-induced erosional incision N. J. Balmforth,1

    E-Print Network [OSTI]

    Balmforth, Neil

    displacement wave can lead to catastrophic erosional incision of a moraine damming a glacial lake incision can also breach moraines damming glacial lakes. In a few of these examples, the incipient channel of extreme climate conditions or intense glacier melting). However, several other dam-break events appear

  5. Dynamic model failure tests of dam structures Dalian University of Technology, Dalian 116024, China

    E-Print Network [OSTI]

    Spencer Jr., Billie F.

    index for the safety assessment of concrete dams and is predicted through dynamic model failure tests INTRODUCTION A great number of high dams will be built in highly seismic areas, the safety evaluation 116024, China ABSTRACT: For the earthquake safety evaluation of dam structures, it is desirable to extend

  6. Final Independent External Peer Review Report Mohawk Dam Major Rehabilitation Report

    E-Print Network [OSTI]

    US Army Corps of Engineers

    Final Independent External Peer Review Report Mohawk Dam Major Rehabilitation Report Warsaw, Ohio Report Mohawk Dam Major Rehabilitation Report Warsaw, Ohio by Battelle 505 King Avenue Columbus, OH 43201 documentation. #12;This page is intentionally left blank. #12;Mohawk Dam Major Rehabilitation Report i Battelle

  7. STUDY OF LOSS AND DELAY OF SALMON PASSING ROCK ISLAND DAM, COLUMBIA RIVER, 1954-56

    E-Print Network [OSTI]

    STUDY OF LOSS AND DELAY OF SALMON PASSING ROCK ISLAND DAM, COLUMBIA RIVER, 1954-56 By ROBERT R. PORTLAND. OREGON ABSTRACT To determine loss or delay of salmonids in passing Rock Island Dam tagged and released both above and below the dam in 1954-56. They were subsequently observed passing

  8. Final Independent External Peer Review Report John Day Dam Mitigation Program

    E-Print Network [OSTI]

    US Army Corps of Engineers

    Final Independent External Peer Review Report John Day Dam Mitigation Program Draft Post Valley Division Contract No. W912HQ-10-D-0002 Task Order: 0077 November 21, 2014 #12;John Day Dam IEPR | Final IEPR Report BATTELLE | November 21, 2014 This page is intentionally left blank. #12;John Day Dam

  9. Author's personal copy Responses of riparian reptile communities to damming and urbanization

    E-Print Network [OSTI]

    Dorcas, Michael E.

    Author's personal copy Responses of riparian reptile communities to damming and urbanization in revised form 24 August 2012 Accepted 27 August 2012 Keywords: Species richness Rivers Damming Reservoirs of two riparian habitat modifications ­ dam- ming and urbanization ­ on overall and species

  10. Research Article Effects of Alpine hydropower dams on particle transport and

    E-Print Network [OSTI]

    Gilli, Adrian

    Research Article Effects of Alpine hydropower dams on particle transport and lacustrine December 2006 Abstract. The effects of high-alpine hydropower damming on lacustrine sedimentation impact, such as by hydropower dam construction that form artifi- cial sediment sinks acting as manmade

  11. Generalized event tree algorithm and software for dam safety risk assessment

    E-Print Network [OSTI]

    Bowles, David S.

    Generalized event tree algorithm and software for dam safety risk assessment Anurag Srivastava 1 an event tree risk model for dam safety risk assessment in a highly flexible manner. This paper describes and a summary of plans for its further development. Keywords: Event tree analysis, dam safety risk assessment

  12. ANCOLD 2000 Conference on Dams 1 ADVANCES IN THE PRACTICE AND USE OF

    E-Print Network [OSTI]

    Bowles, David S.

    2000 Conference on Dams 1 ADVANCES IN THE PRACTICE AND USE OF PORTFOLIO RISK ASSESSMENT D. S. Bowles1 process into the owner's dam safety management program and with broader business processes, Utah, USA. 2 A portfolio is a group of dams, which are the responsibility of a single owner

  13. Hugo van Dam and the dynamic adjoint function Imre Pa zsit*

    E-Print Network [OSTI]

    Pázsit, Imre

    Hugo van Dam and the dynamic adjoint function Imre Pa´ zsit* Department of Reactor Physics, Chalmers University of Technology, SE-412 96 Go¨teborg, Sweden Dedicated to Prof. Dr. Hugo van Dam into perspective the seminal contribution of Hugo van Dam to the development of neutron noise diagnostics

  14. Spatial variability of sea level rise due to water impoundment behind dams

    E-Print Network [OSTI]

    Conrad, Clint

    dams Julia W. Fiedler1 and Clinton P. Conrad2 Received 29 March 2010; revised 12 May 2010; accepted 18 May 2010; published 19 June 2010. [1] Dams have impounded 10,800 km3 of water since 1900, reducing depresses the earth's surface near dams and elevates the geoid, which locally increases relative sea level

  15. Interim Tolerable Risk Guidelines for US Army Corps of Engineers Dams Dale F. Munger1

    E-Print Network [OSTI]

    Bowles, David S.

    1 Interim Tolerable Risk Guidelines for US Army Corps of Engineers Dams Dale F. Munger1 , David S , and Nathan Snorteland8 1 Assistant Team Leader, USACE Dam Safety Policy and Procedures Team, U.S. Army Corps of Engineers, Portland, OR. 2 Professor of Civil and Environmental Engineering and Director, Institute for Dam

  16. Fish Passage through Dams in Large Temperate Floodplain Rivers: An Annotated Bibliography

    E-Print Network [OSTI]

    Tullos, Desiree

    Fish Passage through Dams in Large Temperate Floodplain Rivers: An Annotated Bibliography By Brian. Wlosinski, B. C. Knights, and S. J. Zigler. 2001. Fish passage through dams in large temperate floodplain.usgs.gov/ltrmp_fish/fish_passage_biblio.html#lit. (Accessed June 2001.) Fish Passage through Dams in Large Temperate Floodplain Rivers: An Annotated

  17. STATISTICAL AND 3D NONLINEAR FINITE ELEMENT ANALYSIS OF SCHLEGEIS DAM

    E-Print Network [OSTI]

    Balaji, Rajagopalan

    STATISTICAL AND 3D NONLINEAR FINITE ELEMENT ANALYSIS OF SCHLEGEIS DAM VICTOR SAOUMA, ERIC HANSEN is composed of two parts. First a statistical analysis of the dam crest displacement is performed, along with a prediction for the years 2000-2001. Then a 3D finite element analysis of Schlegeis dam is performed using

  18. PREDICTING UNDERSEEPAGE OF MASONRY DAMS Published in Proceedings of 29th

    E-Print Network [OSTI]

    PREDICTING UNDERSEEPAGE OF MASONRY DAMS Published in Proceedings of 29th ASDSO Conference (1934) selected conservative values of safe creep ratios because of the small number of dam failures judgment is recommended in designing a dam for safety against piping, and Lane's values are a starting

  19. Debris dams and the relief of headwater streams Stephen T. Lancaster a,, Gordon E. Grant b

    E-Print Network [OSTI]

    Debris dams and the relief of headwater streams Stephen T. Lancaster a,, Gordon E. Grant b, mountain landscapes where debris flows are common, their deposition commonly forms valley-spanning dams these dams causes alluviation in what would otherwise be bedrock channels. In this paper, the effects

  20. Effect of spill on adult salmon passage delay at Columbia River and Snake River dams

    E-Print Network [OSTI]

    Washington at Seattle, University of

    Effect of spill on adult salmon passage delay at Columbia River and Snake River dams W. Nicholas dams in the Columbia/Snake River hydrosystem may delay the upstream passage of the adults. To evaluate-to-day variations of spill and upstream fish passage at the eight dams of the Columbia/Snake river hydrosystem

  1. LEARNING FROM DAM REMOVAL MONITORING: CHALLENGES TO SELECTING EXPERIMENTAL DESIGN AND ESTABLISHING SIGNIFICANCE OF OUTCOMES

    E-Print Network [OSTI]

    Tullos, Desiree

    LEARNING FROM DAM REMOVAL MONITORING: CHALLENGES TO SELECTING EXPERIMENTAL DESIGN AND ESTABLISHING, California, USA ABSTRACT As the decommissioning of dams becomes a common restoration technique, decisions about dam removals must be based on sound predictions of expected outcomes. Results of past and ongoing

  2. Independent External Peer Review Report Rough River Dam 18 August 2011 ii

    E-Print Network [OSTI]

    US Army Corps of Engineers

    #12;Independent External Peer Review Report ­ Rough River Dam 18 August 2011 ii This page intentionally blank. #12;Independent External Peer Review Report ­ Rough River Dam 18 August 2011 iii Table Panel Members B-1 Appendix C ­ Charge for IEPR Panel C-1 List of Figures Figure 1. Rough River Dam 4

  3. DAM SAFETY DECISION-MAKING: COMBINING ENGINEERING ASSESSMENTS WITH RISK INFORMATION

    E-Print Network [OSTI]

    Bowles, David S.

    DAM SAFETY DECISION-MAKING: COMBINING ENGINEERING ASSESSMENTS WITH RISK INFORMATION David S. Bowles breaching a dam; so drop the matter before a dispute breaks out. Proverbs 17:14 (NIV) ABSTRACT A decision assessments and risk assessments. The approach can be adapted to any dam owner's unique decision context

  4. Effect of Flow Pulses on Degradation Downstream of Hapcheon Dam, South Korea

    E-Print Network [OSTI]

    Julien, Pierre Y.

    Effect of Flow Pulses on Degradation Downstream of Hapcheon Dam, South Korea Young Ho Shin1 and Pierre Y. Julien, M.ASCE2 Abstract: The changes in channel geometry downstream of Hapcheon Dam, South sluice gate operations affect the 45-km reach of the Hwang River between the Hapcheon Reregulation Dam

  5. Earthquake behavior of arch dams Chuhan Zhang, Yanjie Xu, Guanglun Wang & Feng Jin

    E-Print Network [OSTI]

    Spencer Jr., Billie F.

    Earthquake behavior of arch dams Chuhan Zhang, Yanjie Xu, Guanglun Wang & Feng Jin Department millennium, construction of a series of high arch dams up to 250-300m in height is being planned or conducted (Table 1). Table 1. Project data and Design PVA Project Dam height (m) Reservoir capacity (109 m3 ) Power

  6. CONGRESS BEIJING 2000 Question 79 (Gated Spillways and Other Controlled Release Facilities, and Dam Safety)

    E-Print Network [OSTI]

    Rahmeyer, William J.

    Facilities, and Dam Safety) d) Rehabilitation of Gated and Ungated Spillways THE DESIGN OF A FUSEGATE SYSTEM FOR INCREASING THE RESERVOIR CAPACITY OF TERMINUS DAM AIDED BY A FULLY FUNCTIONING PHYSICAL MODEL STUDY" Authors International SUMMARY A number of designs for increasing reservoir capacity without raising the dam embankment

  7. Green River Lake and Dam interim plan benefits ecosystem By John Hickey

    E-Print Network [OSTI]

    US Army Corps of Engineers

    11 Green River Lake and Dam interim plan benefits ecosystem By John Hickey Hydrologic Engineering that water is released from Green River Dam in Kentucky. In May 2006, the interim plan was approved shown that operation of Green River Dam can be changed in ways that improve ecosystems while continuing

  8. Maternal Effects on Reproduction and Traits of Reciprocal F1 Dams of

    E-Print Network [OSTI]

    Ma, Lena

    Maternal Effects on Reproduction and Production Traits of Reciprocal F1 Dams of Angus, Brahman to determine if differences in their producing ability can be attributed to the breed of their dam. The purpose of this paper is to compare the performance of reciprocal F1 crossbred females as to dam breed for both

  9. Final Independent External Peer Review Report Olmsted Locks and Dam 52 and 53 Replacement

    E-Print Network [OSTI]

    US Army Corps of Engineers

    Final Independent External Peer Review Report Olmsted Locks and Dam 52 and 53 Replacement Project Review Report Olmsted Locks and Dam 52 and 53 Replacement Project Post Authorization Change Report--0002 Task Order: 0005 #12;This page is intentionally left blank. #12;Olmsted Locks and Dam PACR IEPR i

  10. The Dam1 kinetochore complex harnesses microtubule dynamics to produce force

    E-Print Network [OSTI]

    Asbury, Chip

    The Dam1 kinetochore complex harnesses microtubule dynamics to produce force and movement Charles L-dependent force production is unknown. Recent work suggests that the Dam1 complex, an essential component assay where beads coated with pure recombinant Dam1 complex were bound to the tips of individual dynamic

  11. Landslide-dammed paleolake perturbs marine sedimentation and drives genetic change

    E-Print Network [OSTI]

    Roering, Joshua J.

    Landslide-dammed paleolake perturbs marine sedimentation and drives genetic change in anadromous by forming dams, forcing upstream ag- gradation of water and sediment, and generating catastrophic out- burst floods. Less apparent is the effect of large landslide dams on river ecosystems and marine sedimentation

  12. Analysis of Dam Failure in the Saluda River February 8, 2005

    E-Print Network [OSTI]

    Morrow, James A.

    Analysis of Dam Failure in the Saluda River Valley February 8, 2005 Abstract We identify and model two possible failure modes for the Saluda Dam: gradual failure due to an enlarging breach and sudden catas- trophic failure due to liqui#12;cation of the dam. For the #12;rst case we de- scribe the breach

  13. Final Independent External Peer Review Report Olmsted Locks and Dam 52 and 53 Replacement

    E-Print Network [OSTI]

    US Army Corps of Engineers

    Final Independent External Peer Review Report Olmsted Locks and Dam 52 and 53 Replacement Project Review Report Olmsted Locks and Dam 52 and 53 Replacement Project Updated Cost Estimate Peer Review and Dam 52 and 53 Replacement Project Updated Cost Estimate Peer Review EXECUTIVE SUMMARY Project

  14. Under consideration for publication in J. Fluid Mech. 1 Dam breaking seiches

    E-Print Network [OSTI]

    Balmforth, Neil

    Under consideration for publication in J. Fluid Mech. 1 Dam breaking seiches N. J. Balmforth1, J the break of a moraine dam by catastrophic erosional incision initiated by overtopping with a displacement confirm that dams can be broken by a catastrophic incision. However, the displacement wave does not break

  15. The dynamics of travertine dams . Hammer , D.K. Dysthe, B. Jamtveit

    E-Print Network [OSTI]

    Dysthe, Dag Kristian

    The dynamics of travertine dams Ø. Hammer , D.K. Dysthe, B. Jamtveit PGP-Physics of Geological 2007 Abstract We present a simple, abstract model for travertine dam formation. The simulation uses, implies a classical pattern formation system with a characteristic dam size, however this wavelength

  16. Durability Assessment of an Arch Dam using Inverse Analysis with Neural Networks and High Performance Computing.

    E-Print Network [OSTI]

    Coutinho, Alvaro L. G. A.

    Durability Assessment of an Arch Dam using Inverse Analysis with Neural Networks and High de Brasília diannemv@guarany.cpd.unb.br Abstract: In the present work, an analysis of the Funil dam, a double curvature arch dam placed in the state of Rio de Janeiro, Brazil, is presented. The considered

  17. Effects of magnetite on high-frequency ground-penetrating radar Remke L. Van Dam1

    E-Print Network [OSTI]

    Borchers, Brian

    Effects of magnetite on high-frequency ground-penetrating radar Remke L. Van Dam1 , Jan M. H, paleoclimatology (Maher and Thompson, 1995), soil development (Singer et al., 1996; Van Dam et al., 2008 et al., 2011), the detection of unexploded ordnance (UXO) and land mines (Van Dam et al., 2005

  18. AN ESTIMATE OF MORTALITY OF CHINOOK SALMON IN THE COLUMBIA RIVER NEAR BONNEVILLE DAM DURING THE

    E-Print Network [OSTI]

    AN ESTIMATE OF MORTALITY OF CHINOOK SALMON IN THE COLUMBIA RIVER NEAR BONNEVILLE DAM DURING THE SUMMER RUN OF 1955' . . BY THEODORE R. MERRELL, JR.,I. MELVIN D. COLLlNS,2 AND ,JOSEEH W. GREENOUGH8 at the dam, and the river below the dam was· searched systematically to recover tagged and untagged car

  19. SEDIMENT BUDGET ON THE INDIANA SHORE AT BURNS HARBOR, LAKE MICHIGAN

    E-Print Network [OSTI]

    US Army Corps of Engineers

    1 SEDIMENT BUDGET ON THE INDIANA SHORE AT BURNS HARBOR, LAKE MICHIGAN ANDREW MORANG1 , ASHLEY E.F.Bucaro@usace.army.mil Abstract: Net sediment transport in the littoral cell extending from Michigan City Harbor, IN, to Burns than most published previous estimates. The volume of sediment now bypassing the lakeward end

  20. Evaluation of an approximate method for incorporating floating docks in harbor wave prediction models 

    E-Print Network [OSTI]

    Tang, Zhaoxiang

    2005-11-01

    to Douglas harbor in Alaska. The result shows that docks in the harbor distort the wave field considerably and create a reflective pattern that can affect navigation safety in some areas. Also plots are developed for the transmission coefficients for waves...

  1. Science Reports for the Port Everglades Harbor, Florida, Feasibility Study and Environmental

    E-Print Network [OSTI]

    US Army Corps of Engineers

    Science Reports for the Port Everglades Harbor, Florida, Feasibility Study and Environmental Impact-0002 Task Order: 0015 August 17, 2011 #12;#12;Final Independent External Peer Review Report Science Reports for the Port Everglades Harbor, Florida, Feasibility Study and Environmental Impact Statement

  2. Savannah Harbor Expansion Project General Re-Evaluation Report and Environmental Impact Statement

    E-Print Network [OSTI]

    US Army Corps of Engineers

    #12; Savannah Harbor Expansion Project General Re-Evaluation Report and Environmental Impact, was engaged to conduct the IEPR of the Savannah Harbor Expansion Project (SHEP) Draft General Re-Evaluation review of the Economic Appendix and model and the Cost Engineering Appendix in the summer of 2010

  3. Observations and modeling of tsunami-induced currents in ports and harbors Patrick J. Lynett a,

    E-Print Network [OSTI]

    Lynett, Patrick

    Observations and modeling of tsunami-induced currents in ports and harbors Patrick J. Lynett a. Shearer Keywords: tsunami whirlpools eddies turbulent structures field observation numerical simulation Tsunamis, or "harbor waves" in Japanese, are so-named due to common observations of enhanced wave heights

  4. Hidden force floating ice

    E-Print Network [OSTI]

    Chang Q. Sun

    2015-01-17

    Because of the segmental specific-heat disparity of the hydrogen bond (O:H-O) and the Coulomb repulsion between oxygen ions, cooling elongates the O:H-O bond at freezing by stretching its containing angle and shortening the H-O bond with an association of larger O:H elongation, which makes ice less dense than water, allowing it to float.

  5. Ice Storm Supercomputer

    ScienceCinema (OSTI)

    None

    2013-05-28

    "A new Idaho National Laboratory supercomputer is helping scientists create more realistic simulations of nuclear fuel. Dubbed 'Ice Storm,' this 2048-processor machine allows researchers to model and predict the complex physics behind nuclear reactor behavior. And with a new visualization lab, the team can see the results of its simulations on the big screen." For more information about INL research, visit http://www.facebook.com/idahonationallaboratory.

  6. Enloe Dam Passage Project, Volume I, 1984 Annual Report.

    SciTech Connect (OSTI)

    Fanning, M.L.

    1985-07-01

    This report discusses issues related to the provision of fish passage facilities at Enloe Dam and the introduction of anadromous salmonid fish to the upper Similkameen River basin. The species of fish being considered is a summer run of steelhead trout adapted to the upper Columbia basin. (ACR)

  7. Optimization of Hydroacoustic Equipment Deployment at Foster Dam, 2013

    SciTech Connect (OSTI)

    Hughes, James S.; Johnson, Gary E.; Ploskey, Gene R.; Hennen, Matthew J.; Fischer, Eric S.; Zimmerman, Shon A.

    2013-03-01

    The goal of the study was to optimize performance of the fixed-location hydroacoustic systems at Foster Dam (FOS) by determining deployment and data acquisition methods that minimized structural, electrical, and acoustic interference. Optimization of the hydroacoustic systems will establish methodology for sampling by active acoustic methods during this year-long evaluation of juvenile salmonid passage at FOS.

  8. Abstracts of papers presented at the LVIII Cold Spring Harbor Symposium on quantitative Biology: DNA and chromosomes

    SciTech Connect (OSTI)

    Not Available

    1993-12-31

    This volume contains the abstracts of oral and poster presentations made at the LVIII Cold Spring Harbor Symposium on Quantitative Biology entitles DNA & Chromosomes. The meeting was held June 2--June 9, 1993 at Cold Spring Harbor, New York.

  9. Compliance Monitoring of Subyearling Chinook Salmon Survival and Passage at The Dalles Dam, Summer 2012

    SciTech Connect (OSTI)

    Skalski, J. R.; Townsend, Richard L.; Seaburg, Adam; Ploskey, Gene R.; Weiland, Mark A.; Hughes, James S.; Woodley, Christa M.; Deng, Zhiqun; Carlson, Thomas J.; Johnson, Gary E.

    2013-05-01

    The purpose of this compliance study was to estimate dam passage survival of subyearling Chinook salmon at The Dalles Dam during summer 2012. Under the 2008 Federal Columbia River Power System Biological Opinion, dam passage survival is required to be greater than or equal to 0.93 and estimated with a standard error (SE) less than or equal to 0.015. The study also estimated survival from the forebay 2 km upstream of the dam and through the tailrace to 2 km downstream of the dam, forebay residence time, tailrace egress time, spill passage efficiency (SPE), and fish passage efficiency (FPE), as required by the 2008 Columbia Basin Fish Accords.

  10. Climate Impacts of Ice Nucleation

    SciTech Connect (OSTI)

    Gettelman, A.; Liu, Xiaohong; Barahona, Donifan; Lohmann, U.; Chen, Chih-Chieh

    2012-10-27

    Several different ice nucleation parameterizations in two different General Circulation Models are used to understand the effects of ice nucleation on the mean climate state, and the climate effect of aerosol perturbations to ice clouds. The simulations have different ice microphysical states that are consistent with the spread of observations. These different states occur from different parameterizations of the ice cloud nucleation processes, and feature different balances of homogeneous and heterogeneous nucleation. At reasonable efficiencies, consistent with laboratory measurements and constrained by the global radiative balance, black carbon has a small (-0.06 Wm?2) and not statistically significant climate effect. Indirect effects of anthropogenic aerosols on cirrus clouds occur mostly due to increases in homogeneous nucleation fraction as a consequence of anthropogenic sulfur emissions. The resulting ice indirect effects do not seem strongly dependent on the ice micro-physical balance, but are slightly larger for those states with less homogeneous nucleation in the base state. The total ice AIE is estimated at 0.26±0.09 Wm?2 (1? uncertainty). This represents an offset of 20-30% of the simulated total Aerosol Indirect Effect for ice and liquid clouds.

  11. ARM - Ice Cores

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity ofkandz-cm11 Comments? WeDatastreamstps DocumentationAtlanticENAField ParticipantsField Campaign StatisticsPastIce Cores

  12. Liquid Water Oceans in Ice Giants

    E-Print Network [OSTI]

    Sloane J. Wiktorowicz; Andrew P. Ingersoll

    2006-09-26

    Aptly named, ice giants such as Uranus and Neptune contain significant amounts of water. While this water cannot be present near the cloud tops, it must be abundant in the deep interior. We investigate the likelihood of a liquid water ocean existing in the hydrogen-rich region between the cloud tops and deep interior. Starting from an assumed temperature at a given upper tropospheric pressure (the photosphere), we follow a moist adiabat downward. The mixing ratio of water to hydrogen in the gas phase is small in the photosphere and increases with depth. The mixing ratio in the condensed phase is near unity in the photosphere and decreases with depth; this gives two possible outcomes. If at some pressure level the mixing ratio of water in the gas phase is equal to that in the deep interior, then that level is the cloud base. Alternately, if the mixing ratio of water in the condensed phase reaches that in the deep interior, then the surface of a liquid ocean will occur. We find that Neptune is both too warm (photospheric temperature too high) and too dry (mixing ratio of water in the deep interior too low) for liquid oceans to exist at present. To have a liquid ocean, Neptune's deep interior water to gas ratio would have to be higher than current models allow, and the density at 19 kbar would have to be ~ 0.8 g/cm^3. Such a high density is inconsistent with gravitational data obtained during the Voyager flyby. As Neptune cools, the probability of a liquid ocean increases. Extrasolar "hot Neptunes," which presumably migrate inward toward their parent stars, cannot harbor liquid water oceans unless they have lost almost all of the hydrogen and helium from their deep interiors.

  13. Asynchronous ice lobe retreat and glacial Lake Bascom: Deglaciation of the Hoosic and Vermont valleys, southwestern Vermont

    SciTech Connect (OSTI)

    Small, E.; Desimone, D. (Williams Coll., Williamstown, MA (United States). Dept. of Geology)

    1993-03-01

    Deglaciation of the Hoosic River drainage basin in southwestern Vermont was more complex than previously described. Detailed surficial mapping, stratigraphic relationships, and terrace levels/delta elevations reveal new details in the chronology of glacial Lake Bascom: (1) a pre-Wisconsinan proglacial lake was present in a similar position to Lake Bascom as ice advanced: (2) the northern margin of 275m (900 ft) glacial Lake Bascom extended 10 km up the Vermont Valley; (3) the 215m (705 ft) Bascom level was stable and long lived; (4) intermediate water planes existed between 215m and 190m (625 ft) levels; and (5) a separate ice tongue existed in Shaftsbury Hollow damming a small glacial lake, here named glacial Lake Emmons. This information is used to correlate ice margins to different lake levels. Distance of ice margin retreat during a lake level can be measured. Lake levels are then used as control points on a Lake Bascom relative time line to compare rate of retreat of different ice tongues. Correlation of ice margins to Bascom levels indicates ice retreat was asynchronous between nearby tongues in southwestern Vermont. The Vermont Valley ice tongue retreated between two and four times faster than the Hoosic Valley tongue during the Bascom 275m level. Rate of retreat of the Vermont Valley tongue slowed to one-half of the Hoosic tongue during the 215m--190m lake levels. Factors responsible for varying rates of retreat are subglacial bedrock gradient, proximity to the Hudson-Champlain lobe, and the presence of absence of a calving margins. Asynchronous retreat produced splayed ice margins in southwestern Vermont. Findings from this study do not support the model of parallel, synchronous retreat proposed by many workers for this region.

  14. Therapeutic Hypothermia: Protective Cooling Using Medical Ice...

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

    Therapeutic Hypothermia: Protective Cooling Using Medical Ice Slurry Technology available for licensing: Proprietary method and equipment for making an ice slurry coolant to induce...

  15. Biogeochemistry in Sea Ice: CICE model developments

    SciTech Connect (OSTI)

    Jeffery, Nicole; Hunke, Elizabeth; Elliott, Scott; Turner, Adrian

    2012-06-18

    Polar primary production unfolds in a dynamic sea ice environment, and the interactions of sea ice with ocean support and mediate this production. In spring, for example, fresh melt water contributes to the shoaling of the mixed layer enhancing ice edge blooms. In contrast, sea ice formation in the fall reduces light penetration to the upper ocean slowing primary production in marine waters. Polar biogeochemical modeling studies typically consider these types of ice-ocean interactions. However, sea ice itself is a biogeochemically active medium, contributing a significant and, possibly, essential source of primary production to polar regions in early spring and fall. Here we present numerical simulations using the Los Alamos Sea Ice Model (CICE) with prognostic salinity and sea ice biogeochemistry. This study investigates the relationship between sea ice multiphase physics and sea ice productivity. Of particular emphasis are the processes of gravity drainage, melt water flushing, and snow loading. During sea ice formation, desalination by gravity drainage facilitates nutrient exchange between ocean and ice maintaining ice algal blooms in early spring. Melt water flushing releases ice algae and nutrients to underlying waters limiting ice production. Finally, snow loading, particularly in the Southern Ocean, forces sea ice below the ocean surface driving an upward flow of nutrient rich water into the ice to the benefit of interior and freeboard communities. Incorporating ice microphysics in CICE has given us an important tool for assessing the importance of these processes for polar algal production at global scales.

  16. Light propagation in the South Pole ice

    SciTech Connect (OSTI)

    Williams, Dawn; Collaboration: IceCube Collaboration

    2014-11-18

    The IceCube Neutrino Observatory is located in the ice near the geographic South Pole. Particle showers from neutrino interactions in the ice produce light which is detected by IceCube modules, and the amount and pattern of deposited light are used to reconstruct the properties of the incident neutrino. Since light is scattered and absorbed by ice between the neutrino interaction vertex and the sensor, IceCube event reconstruction depends on understanding the propagation of light through the ice. This paper presents the current status of modeling light propagation in South Pole ice, including the recent observation of an azimuthal anisotropy in the scattering.

  17. MEAT, POULTRY, Still contains ice

    E-Print Network [OSTI]

    Liskiewicz, Maciej

    MEAT, POULTRY, SEAFOOD Still contains ice crystals and feels as cold, and ground meats Refreeze Discard Poultry and ground poultry Refreeze Discard Variety meats may safely re-freeze foods that s:ll contain ice crystals or that have been

  18. The Influence of Dam Releases on the Microbial and Physiochemical Parameters in the Alluvial Aquifer of a Regulated River 

    E-Print Network [OSTI]

    Barrera, Christina S

    2015-04-28

    to the construction of Longhorn Dam (Figure 3.3). Tom Miller Dam was constructed primarily for flood control and hydroelectricity production purposes. This facility provides electricity to the city of Austin, especially during high use summer months. The dam... of the influence of dam releases on the state of alluvial groundwater would be impossible. The topics covered include the impact of hydroelectric dam releases on the down-stream hydrology, stream and groundwater exchange through riverbank filtration, utilization...

  19. EA-2017: Braddock Locks and Dam Hydro Electric Project

    Broader source: Energy.gov [DOE]

    The U.S. Department of Energy (DOE) is proposing to authorize the expenditure of federal funding to Hydro Green Energy, LLC to fabricate, install, and operate one interchangeable Modular Bulb Turbine (MBT) which would be inserted in a Large Frame Module (LFM) at the existing Braddock Locks and Dam. The installation would be part of a larger project that would include the design and installation of seven MBTs to create a 5.2 megawatt, low head hydropower system at Braddock Locks and Dam. An Environmental Assessment (EA) previously prepared by the Federal Energy Regulatory Commission (FERC) has been adopted by DOE pursuant to the requirements of the National Environmental Policy Act (NEPA).

  20. Turbocharger with sliding piston, and having vanes and leakage dams

    DOE Patents [OSTI]

    Roberts, Quentin (Nancy, FR); Alnega, Ahmed (Thaon Les Vosges, FR)

    2011-12-06

    A turbocharger having a sliding piston for regulating exhaust gas flow into the turbine wheel includes a set of first vanes mounted on a fixed first wall of the turbine nozzle and projecting axially toward an opposite second wall of the nozzle, and/or a set of second vanes mounted on the end of the piston and projecting in an opposite axial direction toward the first wall of the nozzle. For the/each set of vanes, there are leakage dams formed on the wall that is adjacent the vane tips when the piston is closed. The leakage dams are closely adjacent the vane tips and discourage exhaust gas from leaking in a generally radial direction past the vane tips as the piston just begins to open from its fully closed position.

  1. Sequential Threat Detection for Harbor Defense: An X-ray Physics...

    Office of Scientific and Technical Information (OSTI)

    Sequential Threat Detection for Harbor Defense: An X-ray Physics-Based Bayesian Approach Candy, J V 42 ENGINEERING; 73 NUCLEAR PHYSICS AND RADIATION PHYSICS Abstract not provided...

  2. 1. Department, Course Number, Title ORE 661 Coastal and Harbor Engineering

    E-Print Network [OSTI]

    Frandsen, Jannette B.

    . Prerequisites Applied mechanics Engineering economics Fluid mechanics Hydraulics Probability and Statistics Soil Outcomes Program Outcome 2: Basic science, mathematics, & engineering Program Outcome 4: Ocean engineering1. Department, Course Number, Title ORE 661 Coastal and Harbor Engineering 2. Designation

  3. South Florida Sun-Sentinel.com Pearl Harbor: 70 years later, seniors remember

    E-Print Network [OSTI]

    Fernandez, Eduardo

    eyewitness scheduled to speak at the Wynmoor retirement community's event today in Coconut Creek. Swartz, who got noisy and I could see flashes from the harbor as the bombs hit," said Swartz, of Coconut Creek

  4. Compliance Monitoring of Juvenile Subyearling Chinook Salmon Survival and Passage at The Dalles Dam, Summer 2010

    SciTech Connect (OSTI)

    Johnson, Gary E.; Carlson, Thomas J.; Skalski, John R.

    2010-12-21

    The purpose of this compliance study was to estimate dam passage survival of subyearling Chinook salmon smolts at The Dalles Dam during summer 2010. Under the 2008 Federal Columbia River Power System (FCRPS) Biological Opinion (BiOp), dam passage survival should be greater than or equal to 0.93 and estimated with a standard error (SE) less than or equal 0.015. The study also estimated smolt passage survival from the forebay 2 km upstream of the dam to the tailrace 2 km below the dam The forebay-to-tailrace survival estimate satisfies the “BRZ-to-BRZ” survival estimate called for in the Fish Accords. , as well as the forebay residence time, tailrace egress time, and spill passage efficiency, as required in the Columbia Basin Fish Accords. The estimate of dam survival for subyearling Chinook salmon at The Dalles in 2010 was 0.9404 with an associated standard error of 0.0091.

  5. Winter Driving Tips Driving in Ice & Snow

    E-Print Network [OSTI]

    Capogna, Luca

    Winter Driving Tips Driving in Ice & Snow: When you must drive, clear the ice and snow from your in ice and snow, other drivers will be traveling cautiously. Don't disrupt the flow of traffic by driving handle better in ice and snow, but they do not have flawless traction, and skids can occur unexpectedly

  6. A not-so-funny thing happened on the way to relicensing the Edwards Dam

    SciTech Connect (OSTI)

    Ayer, F.J. [Devine & Tarbell, Inc., Portland, ME (United States); Isaacson, M. [Edwards Manufacturing Co., Lisbon Falls, ME (United States)

    1995-12-31

    What started out as a seemingly straightforward and simple exercise, obtaining a new FERC license for the Edwards Dam in Augusta, Maine, turned out to be anything but straightforward and far from simple. This article tells the story of one of the more interesting and possibly precedent setting cases in the {open_quotes}class of 93{close_quotes} and is presented in three sections: (1) the history of the Edwards Dam and the FERC regulatory process through the spring of 1995; (2) Edwards` response to the dam removal campaign; and (3) recommendations for FERC licensees threatened by dam removal during relicensing.

  7. Estimating the seismic stability of the arch dam in the Chirkeiskaya hydrosystem

    SciTech Connect (OSTI)

    Khrapkov, A. A.; Skomorovskaya, E. Ya

    2004-11-15

    A calculation analysis of the arch dam constructed in an area with standardized seismicity of magnitude 9-10 is presented.

  8. Contaminant Stratigraphy of the Ballville Reservoir, Sandusky River, NW Ohio: Implications for Dam Removal

    E-Print Network [OSTI]

    Gottgens, Hans

    Contaminant Stratigraphy of the Ballville Reservoir, Sandusky River, NW Ohio: Implications for Dam, Ohio 43606. 182 #12;Contaminant Stratigraphy of the

  9. Ice thickness measurements by Raman scattering

    E-Print Network [OSTI]

    Pershin, Sergey M; Klinkov, Vladimir K; Yulmetov, Renat N; Bunkin, Alexey F

    2014-01-01

    A compact Raman LIDAR system with a spectrograph was used for express ice thickness measurements. The difference between the Raman spectra of ice and liquid water is employed to locate the ice-water interface while elastic scattering was used for air-ice surface detection. This approach yields an error of only 2 mm for an 80-mm-thick ice sample, indicating that it is promising express noncontact thickness measurements technique in field experiments.

  10. Method of forming calthrate ice

    DOE Patents [OSTI]

    Hino, T.; Gorski, A.J.

    1985-09-30

    A method of forming clathrate ice in a supercooled water-based liquid contained in a vessel is disclosed. Initially, an oscillator device is located in the liquid in the vessel. The oscillator device is then oscillated ultransonically so that small crystals are formed in the liquid. Thes small crystals serve as seed crystals for ice formation in the liquid and thereby prevent supercooling of the liquid. Preferably, the oscillating device is controlled by a thermostat which initiates operation of the oscillator device when the temperature of the liquid is lowered to the freezing point. Thereafter, the operation of the oscillator device is terminated when ice is sensed in the liquid by an ice sensor.

  11. Method of forming clathrate ice

    DOE Patents [OSTI]

    Hino, Toshiyuki (Tokyo, JP); Gorski, Anthony J. (Lemont, IL)

    1987-01-01

    A method of forming clathrate ice in a supercooled water-based liquid contained in a vessel is disclosed. Initially, an oscillator device is located in the liquid in the vessel. The oscillator device is then oscillated ultrasonically so that small crystals are formed in the liquid. These small crystals serve as seed crystals for ice formation in the liquid and thereby prevent supercooling of the liquid. Preferably, the oscillating device is controlled by a thermostat which initiates operation of the oscillator device when the temperature of the liquid is lowered to the freezing point. Thereafter, the operation of the oscillator device is terminated when ice is sensed in the liquid by an ice sensor.

  12. An experimental and theoretical study of the ice accretion process during artificial and natural icing conditions

    E-Print Network [OSTI]

    Kirby, Mark Samuel

    1986-01-01

    Real-time measurements of ice growth during artificial and natural icing conditions were conducted using an ultrasonic pulse-echo technique. This technique allows ice thickness to be measured with an accuracy of ?0.5 mm; ...

  13. Title 10, Chapter 43 Dams | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page| Open Energy Information Serbia-EnhancingEt Al., 2013)Open EnergyTinox Jump to:, Chapter 43 Dams Jump to: navigation,

  14. Hydroblasting permits safe, cost-effective dam rehabilitation

    SciTech Connect (OSTI)

    Lever, G. [Cavi-Tech Inc., Kennesaw, GA (United States)

    1996-04-01

    The cost of using traditional methods to remove lead-based paint from structures subject to strict environmental regulations can be prohibitive, leaving many rehabilitation projects undone. However, alternative methods, including hydroblasting, can reduce debris containment and disposal costs to a tolerable level. This article describes a project which involved the removal of old lead paint and the repainting of a dam situated in a populated recreational area. It details the budgetary, environmental, and public health issues that led to strict specifications and oversight requirements, which saved money and protected the area from lead contamination.

  15. EIS-0352: U.S. 93 Hoover Dam Bypass Project

    Broader source: Energy.gov [DOE]

    The Western Area Power Administration (WAPA) served as a cooperating agency for this Federal Highway Administration Environmental Impact Statement (EIS) due to WAPA’s role in the relocation of several transmission lines. The Federal Highway Administration (FHWA) prepared an Environmental Impact Statement (EIS) for construction of a new segment of U.S. Highway 93 for the purpose of improving congestion and hazardous vehicle/pedestrian conflicts where the highway crosses the Colorado River over Hoover Dam. As a cooperating agency for the EIS, WAPA proposed modifications to its transmission system and facilities to accommodate the construction of the new highway and bridge spanning the Colorado River.

  16. City of Coulee Dam, Washington (Utility Company) | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIX E LISTStar Energy LLCLtd JumpGeorgiaBurley,Columbus Place: OhioCornell,Coulee Dam,

  17. Four Dam Pool Power Agency FDPPA | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIX ECoopButtePowerEdistoWhiskeyFootprint Ventures JumpIndiana: EnergyWind Farm JumpGulchDam

  18. Rates of microbial dechlorination of polychlorinated biphenyls (PCBs) in anaerobic sediments from Waukegan Harbor

    SciTech Connect (OSTI)

    Risatti, J.B.

    1992-01-01

    Sediments from 19 stations in Waukegan Harbor, Waukegan, Illinois were analyzed for polychlorinated biphenyl (PCB) content. Concentrations of PCBs ranged from a high of 17,251 ppm in slip 3 near the former drainage pipe from which PCB contaminated fluids entered the slip to a low of 5 ppm near the harbor mouth. The narrow range of values in slip 3 and at the mouth of the slip contrasts with values from previous studies that reported higher levels toward the mouth of the slip. PCB values also appear to be higher than expected on the west side of the harbor-this may be due to the resuspension and movement of sediments by boat traffic. Sediments from three stations in the harbor with varying levels of PCB contamination were incubated at 8 and 22 C for periods of 0 to 12 months. Data from these experiments indicate that anaerobic dechlorination of PCBs probably occurs in harbor sediments and that 50 percent dechlorination of many congeners occurs in less that 30 days.

  19. California’s North Coast Fishing Communities Historical Perspective and Recent Trends: Trinidad Harbor Fishing Community Profile

    E-Print Network [OSTI]

    Pomeroy, Caroline; Thomson, Cynthia J.; Stevens, Melissa M.

    2011-01-01

    Stevens Act Provisions; Fishing Capacity Reduction Program;Industry Fee System for Fishing Capacity Reduction Loan.Trinidad Harbor Fishing Community Profile Ralston, S. 2002.

  20. Vapor deposition of water on graphitic surfaces: Formation of amorphous ice, bilayer ice, ice I, and liquid water

    SciTech Connect (OSTI)

    Lupi, Laura; Kastelowitz, Noah; Molinero, Valeria

    2014-11-14

    Carbonaceous surfaces are a major source of atmospheric particles and could play an important role in the formation of ice. Here we investigate through molecular simulations the stability, metastability, and molecular pathways of deposition of amorphous ice, bilayer ice, and ice I from water vapor on graphitic and atomless Lennard-Jones surfaces as a function of temperature. We find that bilayer ice is the most stable ice polymorph for small cluster sizes, nevertheless it can grow metastable well above its region of thermodynamic stability. In agreement with experiments, the simulations predict that on increasing temperature the outcome of water deposition is amorphous ice, bilayer ice, ice I, and liquid water. The deposition nucleation of bilayer ice and ice I is preceded by the formation of small liquid clusters, which have two wetting states: bilayer pancake-like (wetting) at small cluster size and droplet-like (non-wetting) at larger cluster size. The wetting state of liquid clusters determines which ice polymorph is nucleated: bilayer ice nucleates from wetting bilayer liquid clusters and ice I from non-wetting liquid clusters. The maximum temperature for nucleation of bilayer ice on flat surfaces, T{sub B}{sup max} is given by the maximum temperature for which liquid water clusters reach the equilibrium melting line of bilayer ice as wetting bilayer clusters. Increasing water-surface attraction stabilizes the pancake-like wetting state of liquid clusters leading to larger T{sub B}{sup max} for the flat non-hydrogen bonding surfaces of this study. The findings of this study should be of relevance for the understanding of ice formation by deposition mode on carbonaceous atmospheric particles, including soot.

  1. Environmental Constraints on Hydropower: An Ex Post Benefit-Cost Analysis of Dam

    E-Print Network [OSTI]

    Lupi, Frank

    a benefit-cost analysis of a relicensing agreement for two hydroelectric dams in Michigan. The agreement and benefits: pro- ducer costs of adapting electricity production to the new time profile of hydroelectric of an environmental constraint on hydroelectric dams. (JEL Q43, Q57) I. INTRODUCTION A reallocation of river resources

  2. Evaluation of Seepage from an Embankment Dam Retaining Pedro J. Amaya1

    E-Print Network [OSTI]

    Evaluation of Seepage from an Embankment Dam Retaining Fly Ash Pedro J. Amaya1 ; John T. Massey of fly ash-laden seepage from the right abutment of an earthen dam are presented herein fly ash reached the level of the prior landslide, the fly ash-laden seepage migrated through

  3. Symmetric Spin # Dragan Bo sna cki 1 , Dennis Dams 2 , and Leszek Holenderski 1

    E-Print Network [OSTI]

    Dams, Dennis

    Symmetric Spin # Dragan Bo#20;sna#20;cki 1 , Dennis Dams 2 , and Leszek Holenderski 1 1 Dept. of Electrical Eng., Eindhoven University of Technology PO Box 513, 5600 MB Eindhoven, The Netherlands fD.Bosnacki,D.Dams approaches proceed by listing suÆcient conditions that can be statically checked on the system de- scription

  4. Van Dam-Veltman-Zakharov discontinuity in topologically new massive gravity

    E-Print Network [OSTI]

    Yun Soo Myung

    2012-12-31

    We study van Dam-Veltman-Zakharov discontinuity in the topologically new massive gravity (TNMG). The reduction from 2 degrees of freedom to one is interpreted as van Dam-Veltman-Zakharov discontinuity appeared when going from anti-de Sitter spacetime to Minkowski spacetime in the linearized TNMG.

  5. Discrete Applied Mathematics 156 (2008) 26982711 www.elsevier.com/locate/dam

    E-Print Network [OSTI]

    Bilbao Arrese, Jesús Mario

    2008-01-01

    Discrete Applied Mathematics 156 (2008) 2698­2711 www.elsevier.com/locate/dam Biprobabilistic-218X/$ - see front matter c 2007 Elsevier B.V. All rights reserved. doi:10.1016/j.dam.2007.11.007 #12;J

  6. Discrete Applied Mathematics 157 (2009) 982990 www.elsevier.com/locate/dam

    E-Print Network [OSTI]

    Lai, Hong-jian

    2009-01-01

    Discrete Applied Mathematics 157 (2009) 982­990 www.elsevier.com/locate/dam Hamiltonian-218X/$ - see front matter c 2008 Elsevier B.V. All rights reserved. doi:10.1016/j.dam.2008.02.005 #12;H

  7. Discrete Applied Mathematics 155 (2007) 733749 www.elsevier.com/locate/dam

    E-Print Network [OSTI]

    Sontag, Eduardo

    2007-01-01

    Discrete Applied Mathematics 155 (2007) 733­749 www.elsevier.com/locate/dam Randomized © 2006 Elsevier B.V. All rights reserved. doi:10.1016/j.dam.2004.11.009 #12;734 P. Berman et al

  8. Discrete Applied Mathematics 155 (2007) 22572268 www.elsevier.com/locate/dam

    E-Print Network [OSTI]

    Hartke, Stephen

    2007-01-01

    Discrete Applied Mathematics 155 (2007) 2257­2268 www.elsevier.com/locate/dam Fire containment front matter © 2007 Elsevier B.V. All rights reserved. doi:10.1016/j.dam.2007.06.002 #12;2258 M. Develin

  9. Discrete Applied Mathematics 154 (2006) 106119 www.elsevier.com/locate/dam

    E-Print Network [OSTI]

    Lu, Mei

    2006-01-01

    Discrete Applied Mathematics 154 (2006) 106­119 www.elsevier.com/locate/dam Trees of extremal. Tian). 0166-218X/$ - see front matter © 2005 Elsevier B.V. All rights reserved. doi:10.1016/j.dam.2004

  10. Modeling the costs and benefits of dam construction from a multidisciplinary perspective

    E-Print Network [OSTI]

    Tullos, Desiree

    - over, new dams continue to be planned and constructed in many developing countries. The checkered for electricity, recent experience has shown that many dams have serious negative environmental, human contributed to human development by providing reliable sources of drinking water and irrigation, hydropower

  11. damidseq pipeline: an automated pipeline for processing DamID sequencing datasets

    E-Print Network [OSTI]

    Marshall, Owen J.; Brand, Andrea H.

    2015-06-25

    of DamID-seq datasets with normalisation based on read-counts alone can lead to high background and the loss of bound signal. DamID-seq thus presents novel challenges in terms of normalisation and background minimisation. We describe here damidseq_pipeline...

  12. DOWNSTREAM EFFECTS OF DIVERSION DAMS ON SEDIMENT AND HYDRAULIC CONDITIONS OF ROCKY MOUNTAIN STREAMS

    E-Print Network [OSTI]

    Poff, N. LeRoy

    DOWNSTREAM EFFECTS OF DIVERSION DAMS ON SEDIMENT AND HYDRAULIC CONDITIONS OF ROCKY MOUNTAIN STREAMS & Sons, Ltd. key words: flow diversion; dam; fine sediment; stream management; hydraulic alteration examined the effects of variable levels of flow diversion on fine-sediment deposition, hydraulic conditions

  13. Dam and Hydroelectric Powerplant University of Hawai`i CEE 491University of Hawai`i CEE 491

    E-Print Network [OSTI]

    Prevedouros, Panos D.

    Karun 3 Dam and Hydroelectric Powerplant University of Hawai`i ­ CEE 491University of Hawai`i ­ CEE;Location #12;Description/Background Hydroelectric dam on Karun River Help with national energy needs

  14. Water quality and sedimentation implications of installing a hydroelectric dam on the Río Baker in Chilean Patagonia

    E-Print Network [OSTI]

    Leandro, Gianna Dee

    2009-01-01

    HidroAysen, a Chilean corporation operated by energy giant Endesa, has proposed to build two hydroelectric dams on the Rio Baker in the Aysin Region of Chilean Patagonia. The proposed dams have been met with a variety of ...

  15. and 19% of the stomachs of late-lifted fish were Food of the striped bass at Holyoke Dam was

    E-Print Network [OSTI]

    below hydroelectric dams and feed on the parts of fish (anadromous or freshwater species) that die Kaplan turbine at a low-head hydroelectric dam. North Am. J. Fish. Manage. 5:33-38. HOLLIS, E. H. 1952

  16. PREDICTION OF TOTAL DISSOLVED GAS EXCHANGE AT HYDROPOWER DAMS

    SciTech Connect (OSTI)

    Hadjerioua, Boualem; Pasha, MD Fayzul K; Stewart, Kevin M; Bender, Merlynn; Schneider, Michael L.

    2012-07-01

    Total dissolved gas (TDG) supersaturation in waters released at hydropower dams can cause gas bubble trauma in fisheries resulting in physical injuries and eyeball protrusion that can lead to mortality. Elevated TDG pressures in hydropower releases are generally caused by the entrainment of air in spillway releases and the subsequent exchange of atmospheric gasses into solution during passage through the stilling basin. The network of dams throughout the Columbia River Basin (CRB) are managed for irrigation, hydropower production, flood control, navigation, and fish passage that frequently result in both voluntary and involuntary spillway releases. These dam operations are constrained by state and federal water quality standards for TDG saturation which balance the benefits of spillway operations designed for Endangered Species Act (ESA)-listed fisheries versus the degradation to water quality as defined by TDG saturation. In the 1970s, the United States Environmental Protection Agency (USEPA), under the federal Clean Water Act (Section 303(d)), established a criterion not to exceed the TDG saturation level of 110% in order to protect freshwater and marine aquatic life. The states of Washington and Oregon have adopted special water quality standards for TDG saturation in the tailrace and forebays of hydropower facilities on the Columbia and Snake Rivers where spillway operations support fish passage objectives. The physical processes that affect TDG exchange at hydropower facilities have been studied throughout the CRB in site-specific studies and routine water quality monitoring programs. These data have been used to quantify the relationship between project operations, structural properties, and TDG exchange. These data have also been used to develop predictive models of TDG exchange to support real-time TDG management decisions. These empirically based predictive models have been developed for specific projects and account for both the fate of spillway and powerhouse flows in the tailrace channel and resultant exchange in route to the next downstream dam. Currently, there exists a need to summarize the general finding from operational and structural TDG abatement programs conducted throughout the CRB and for the development of a generalized prediction model that pools data collected at multiple projects with similar structural attributes. A generalized TDG exchange model can be tuned to specific projects and coupled with water regulation models to allow the formulation of optimal daily water regulation schedules subject to water quality constraints for TDG supersaturation. A generalized TDG exchange model can also be applied to other hydropower dams that affect TDG pressures in tailraces and can be used to develop alternative operational and structural measures to minimize TDG generation. It is proposed to develop a methodology for predicting TDG levels downstream of hydropower facilities with similar structural properties as a function of a set of variables that affect TDG exchange; such as tailwater depth, spill discharge and pattern, project head, and entrainment of powerhouse releases. TDG data from hydropower facilities located throughout the northwest region of the United States will be used to identify relationships between TDG exchange and relevant dependent variables. Data analysis and regression techniques will be used to develop predictive TDG exchange expressions for various structural categories.

  17. Electrothermal Icing Protection of Aerosurfaces Using Conductive Polymer Nanocomposites

    E-Print Network [OSTI]

    Buschhorn, Samuel T.

    Ice protection systems (IPS) are critical components for many aerospace flight vehicles, including commercial transports and unmanned aerial systems (UAS), and can include anti-icing, de-icing, ice sensing, etc. Here, an ...

  18. Coherent radar ice thickness measurements over the Greenland ice sheet

    E-Print Network [OSTI]

    Gogineni, S. Prasad; Tammana, Dilip; Braaten, David A.; Leuschen, C.; Legarsky, J.; Kanagaratnam, P.; Stiles, J.; Allen, C.; Jezek, K.; Akins, T. L.

    2001-12-27

    averaged over a distance covered by aircraft in 1 s (-130 m).) tt(X, g = -d) = Sice(t: T, x). (6) The value t = - can be interpreted as the time when S ice(t, x) represents the wave energy due to scattering specifically from depth d, as opposed... of the Greenland ice sheet produced by Mark Fahnestock (Department of Meteorology, University of Maryland, College Park) and Ron Kwok (Jet Propulsion Laboratory, California Institute of Technology, Pasa- dena). The helpful suggestions and comments of two...

  19. Invited Contribution to Q 76: The Use of Risk Analysis to Support Dam Safety Decisions and Management

    E-Print Network [OSTI]

    Bowles, David S.

    ICOLD 20th Congress Invited Contribution to Q 76: The Use of Risk Analysis to Support Dam Safety Decisions and Management DRAFT FOR REVIEW ONLY Portfolio Risk Assessment: A Tool for Managing Dam Safety in the Context of the Owner's Business David S. Bowles Professor and Director, Institute for Dam Safety Risk

  20. Seismic deformation analysis of Tuttle Creek Dam Timothy D. Stark, Michael H. Beaty, Peter M. Byrne, Gonzalo Castro,

    E-Print Network [OSTI]

    Seismic deformation analysis of Tuttle Creek Dam Timothy D. Stark, Michael H. Beaty, Peter M. Byrne, and David L. Mathews Abstract: To facilitate the design of seismic remediation for Tuttle Creek Dam in east central Kansas, a seismic finite differ- ence analysis of the dam was performed using the software FLAC

  1. INFLUENCE OF ROCKY REACH DAM AND THE TEMPERATURE OF THE OKANOGAN RIVER ON THE UPSTREAM MIGRATION OF SOCKEYE

    E-Print Network [OSTI]

    INFLUENCE OF ROCKY REACH DAM AND THE TEMPERATURE OF THE OKANOGAN RIVER ON THE UPSTREAM MIGRATION Reach Dam, constructed on the Columbia River 7 miles above Wenatchee, Wash.· in 1957-61, has not appreciably increased the time required for adult sockeye salmon (Oncorhynchus nerka) to mi~rate to Zosel Dam

  2. THE INFLUENCE OF MAJOR DAMS ON HYDROLOGY THROUGH THE DRAINAGE NETWORK OF THE SACRAMENTO RIVER BASIN, CALIFORNIA

    E-Print Network [OSTI]

    Singer, Michael

    THE INFLUENCE OF MAJOR DAMS ON HYDROLOGY THROUGH THE DRAINAGE NETWORK OF THE SACRAMENTO RIVER BASIN downstream of major dams and confluences in the Sacramento River basin in California, USA. Streamflow data from 10 gauging stations downstream of major dams were divided into hydrologic series corresponding

  3. ALARP Evaluation: Using Cost Effectiveness and Disproportionality To Justify Risk Reduction ANCOLD 2003 Conference on Dams Page 1

    E-Print Network [OSTI]

    Bowles, David S.

    2003 Conference on Dams Page 1 ALARP EVALUATION: USING COST EFFECTIVENESS AND DISPROPORTIONALITY as reasonably practicable" (ALARP). The ALARP Principle is founded on the legal obligation of dam owners as duty, Institute for Dam Safety Risk Management, Utah Water Research Laboratory, College of Engineering, Utah State

  4. A DETAILED RESEARCH PLAN TO ASSESS BEHAVIOR OF ADULT SUMMER/FALL CHINOOK UPSTREAM OF WELLS DAM USING

    E-Print Network [OSTI]

    A DETAILED RESEARCH PLAN TO ASSESS BEHAVIOR OF ADULT SUMMER/FALL CHINOOK UPSTREAM OF WELLS DAM-8295 Final Draft April 19, 2004 #12;BioAnalysts, Inc Summer/Fall Chinook Research Plan Chief Joseph Dam Page........................................................................ 11 3.6.3 Chief Joseph Dam Powerhouse

  5. Received 8 Jul 2014 | Accepted 8 Aug 2014 | Published 19 Sep 2014 Kinetochores require oligomerization of Dam1

    E-Print Network [OSTI]

    Asbury, Chip

    oligomerization of Dam1 complex to maintain microtubule attachments against tension and promote biorientation Neil-cell imaging, we find that oligomerization of the Dam1 complex is required for its ability to form microtubule attachments that are robust against tension in vitro and in vivo. An oligo- merization-deficient Dam1 complex

  6. August 2002 / Vol. 52 No. 8 BioScience 659 Dams are structures designed by humans to capture

    E-Print Network [OSTI]

    Poff, N. LeRoy

    August 2002 / Vol. 52 No. 8 BioScience 659 Articles Dams are structures designed by humans to capture water and modify the magnitude and timing of its movement downstream. The damming of streams, dams have reduced flood hazard and allowed humans to settle and farm pro- ductive alluvial soils

  7. U.S. Army Corps of Engineers 2013 Independent External Peer Review of the USACE Dam Safety Program

    E-Print Network [OSTI]

    US Army Corps of Engineers

    ;#12;#12;#12;#12;#12;#12;#12;#12;#12;U.S. Army Corps of Engineers 2013 Independent External Peer Review of the USACE Dam Safety Program. Dan Corrigan #12;U.S. Army Corps of Engineers 2013 Independent External Peer Review of the USACE Dam All Rights Reserved FINAL REPORT: 2013 INDEPENDENT EXTERNAL PEER REVIEW USACE DAM SAFETY PROGRAM TABLE

  8. Estimating Overall Risk of Dam Failure: Practical Considerations in Combining Failure Probabilities ANCOLD 2003 Risk Workshop Page 1

    E-Print Network [OSTI]

    Bowles, David S.

    Estimating Overall Risk of Dam Failure: Practical Considerations in Combining Failure Probabilities ANCOLD 2003 Risk Workshop Page 1 ESTIMATING OVERALL RISK OF DAM FAILURE: PRACTICAL CONSIDERATIONS With the move to a risk based approach to dam safety there has been a concomitant focus on estimating

  9. RISK-BASED EVALUATION OF OPERATING RESTRICTIONS TO REDUCE THE RISK OF EARTHQUAKE-INDUCED DAM FAILURE

    E-Print Network [OSTI]

    Bowles, David S.

    RISK-BASED EVALUATION OF OPERATING RESTRICTIONS TO REDUCE THE RISK OF EARTHQUAKE-INDUCED DAM and consequences of an Earthquake-induced dam failure. The potential for both a sudden overtopping failure on the seismic performance of the dam, the potential life loss and economic consequences of Earthquake

  10. Proceedings of the Australian Committee on Large Dams (ANCOLD) Annual Meeting, Jindabyne, New South Wales, Australia, November 1999

    E-Print Network [OSTI]

    Bowles, David S.

    Proceedings of the Australian Committee on Large Dams (ANCOLD) Annual Meeting, Jindabyne, New South Wales, Australia, November 1999 ALAMO DAM DEMONSTRATION RISK ASSESSMENT by David S. Bowles1 , Loren R assessment was conducted on the 283-foot high rolled-earthfill Alamo Dam as part of a U.S. Army Corps

  11. Alterations to dam-spill discharge influence sex-specific activity, behaviour and passage success of migrating adult

    E-Print Network [OSTI]

    Hinch, Scott G.

    hydraulic challenges (e.g. dams and weirs) that impede or slow their movement (Keefer et al., 2004; CaudillAlterations to dam-spill discharge influence sex-specific activity, behaviour and passage success dam in British Columbia, Canada, affected the activity, behaviour and passage success of a Fraser

  12. Rubber friction on ice and snow surfaces 

    E-Print Network [OSTI]

    Skouvaklis, Gerasimos

    2011-06-28

    The friction of rubber on ice and snow surfaces is complex. Deeper scientific understanding is important for optimising performance of tyres in winter. Rubber, ice and snow systems exhibit frictional behaviour which ...

  13. Heavy ion irradiation of crystalline water ice

    E-Print Network [OSTI]

    Dartois, E; Boduch, P; Brunetto, R; Chabot, M; Domaracka, A; Ding, J J; Kamalou, O; Lv, X Y; Rothard, H; da Silveira, E F; Thomas, J C

    2015-01-01

    Under cosmic irradiation, the interstellar water ice mantles evolve towards a compact amorphous state. Crystalline ice amorphisation was previously monitored mainly in the keV to hundreds of keV ion energies. We experimentally investigate heavy ion irradiation amorphisation of crystalline ice, at high energies closer to true cosmic rays, and explore the water-ice sputtering yield. We irradiated thin crystalline ice films with MeV to GeV swift ion beams, produced at the GANIL accelerator. The ice infrared spectral evolution as a function of fluence is monitored with in-situ infrared spectroscopy (induced amorphisation of the initial crystalline state into a compact amorphous phase). The crystalline ice amorphisation cross-section is measured in the high electronic stopping-power range for different temperatures. At large fluence, the ice sputtering is measured on the infrared spectra, and the fitted sputtering-yield dependence, combined with previous measurements, is quadratic over three decades of electronic ...

  14. Thermal Storage with Ice Harvesting Systems 

    E-Print Network [OSTI]

    Knebel, D. E.

    1986-01-01

    Application of Harvesting Ice Storage Systems. Thermal storage systems are becoming widely accepted techniques for utility load management. This paper discusses the principles of ice harvesting equipment and their application to the multi...

  15. The convective desalination of sea ice

    E-Print Network [OSTI]

    Rees Jones, David

    2014-07-01

    in the interstices of an ice matrix. My focus is on one of the processes by which the salt content of sea ice decreases, namely convective desalination, which is also often called gravity drainage by geophysicists. Modelling convective desalination requires...

  16. ORNL Trusted Corridors Project: Watts Bar Dam Inland Waterway Project

    SciTech Connect (OSTI)

    Walker, Randy M; Gross, Ian G; Smith, Cyrus M; Hill, David E

    2011-11-01

    Radiation has existed everywhere in the environment since the Earth's formation - in rocks, soil, water, and plants. The mining and processing of naturally occurring radioactive materials for use in medicine, power generation, consumer products, and industry inevitably generate emissions and waste. Radiological measuring devices have been used by industry for years to measure for radiation in undesired locations or simply identify radioactive materials. Since the terrorist attacks on the United States on 9-11-01 these radiation measuring devices have proliferated in many places in our nation's commerce system. DOE, TVA, the Army Corps and ORNL collaborated to test the usefulness of these devices in our nation's waterway system on this project. The purpose of the Watts Bar Dam ORNL Trusted Corridors project was to investigate the security, safety and enforcement needs of local, state and federal government entities for state-of-the-art sensor monitoring in regards to illegal cargo including utilization of the existing infrastructure. TVA's inland waterways lock system is a recognized and accepted infrastructure by the commercial carrier industry. Safety Monitoring activities included tow boat operators, commercial barges and vessels, recreational watercraft and their cargo, identification of unsafe vessels and carriers, and, monitoring of domestic and foreign commercial vessels and cargo identification. Safety Enforcement activities included cargo safety, tracking, identification of hazardous materials, waterway safety regulations, and hazardous materials regulations. Homeland Security and Law Enforcement Applications included Radiological Dispersive Devices (RDD) identification, identification of unsafe or illicit transport of hazardous materials including chemicals and radiological materials, and screening for shipments of illicit drugs. In the Fall of 2005 the SensorNet funding for the project expired. After several unsuccessful attempts to find a Federal sponsor to continue with the project, the Watts Bar Dam Project was canceled and the Exploranium radiation monitors were removed from the doors of Watts Bar Dam in early 2006. The DHS Domestic Nuclear Detection Office decided to proceed with a Pilot building on the ORNL work performed at the TN and SC weigh stations in the highway sector of the Trusted Corridors project and eventually expanded it to other southern states under the name of Southeastern Corridor Pilot Project (SETCP). Many of the Phase I goals were achieved however real-world test data of private watercraft and barges was never obtained.

  17. Electrical properties of saline ices and ice-silicate mixtures: geophysical and astrobiological consequences (Invited)

    E-Print Network [OSTI]

    Stillman, David E.

    MR22A-05 Electrical properties of saline ices and ice-silicate mixtures: geophysical) electrical-properties measurements of laboratory- produced saline ice, salt hydrates, and ice of interior properties, and habitability. The electrical properties of saline H2O are controlled by the binary

  18. Monitoring of Juvenile Yearling Chinook Salmon and Steelhead Survival and Passage at Bonneville Dam, Spring 2010

    SciTech Connect (OSTI)

    Ploskey, Gene R.; Faber, Derrek M.; Weiland, Mark A.; Carlson, Thomas J.

    2011-02-01

    The purpose of this study was to estimate the survival for yearling Chinook salmon and steelhead smolts during spring 2010 in a portion of the Columbia River that includes Bonneville Dam. The study estimated smolt survival from a virtual release at Bonneville Dam to a survival array 81 km downstream of Bonneville Dam. We also estimated median forebay residence time, median tailrace egress time, and spill passage efficiency (SPE), as required in the Columbia Basin Fish Accords. A single release design was used to estimate survival from Bonneville Dam to a primary array located 81 km downstream of Bonneville. The approach did not include a reference tailrace release. Releases of acoustic-tagged smolts above John Day Dam to Hood River contributed to the formation of virtual releases at a Bonneville Dam forebay entrance array and at the face of the dam. A total of 3,880 yearling Chinook salmon and 3,885 steelhead smolts were tagged and released in the investigation. The Juvenile Salmon Acoustic Telemetry System (JSATS) tag model number ATS-156dB, weighing 0.438 g in air, was used in this investigation.

  19. Monitoring of Juvenile Yearling Chinook Salmon and Steelhead Survival and Passage at Bonneville Dam, Spring 2010

    SciTech Connect (OSTI)

    Ploskey, Gene R.; Faber, Derrek M.; Weiland, Mark A.; Carlson, Thomas J.

    2012-09-01

    The purpose of this study was to estimate the survival for yearling Chinook salmon and steelhead smolts during spring 2010 in a portion of the Columbia River that includes Bonneville Dam. The study estimated smolt survival from a virtual release at Bonneville Dam to a survival array 81 km downstream of Bonneville Dam. We also estimated median forebay residence time, median tailrace egress time, and spill passage efficiency (SPE), as required in the Columbia Basin Fish Accords. A single release design was used to estimate survival from Bonneville Dam to a primary array located 81 km downstream of Bonneville. The approach did not include a reference tailrace release. Releases of acoustic-tagged smolts above John Day Dam to Hood River contributed to the formation of virtual releases at a Bonneville Dam forebay entrance array and at the face of the dam. A total of 3,880 yearling Chinook salmon and 3,885 steelhead smolts were tagged and released in the investigation. The Juvenile Salmon Acoustic Telemetry System (JSATS) tag model number ATS-156dB, weighing 0.438 g in air, was used in this investigation.

  20. Medical ice slurry production device

    DOE Patents [OSTI]

    Kasza, Kenneth E. (Palos Park, IL); Oras, John (Des Plaines, IL); Son, HyunJin (Naperville, IL)

    2008-06-24

    The present invention relates to an apparatus for producing sterile ice slurries for medical cooling applications. The apparatus is capable of producing highly loaded slurries suitable for delivery to targeted internal organs of a patient, such as the brain, heart, lungs, stomach, kidneys, pancreas, and others, through medical size diameter tubing. The ice slurry production apparatus includes a slurry production reservoir adapted to contain a volume of a saline solution. A flexible membrane crystallization surface is provided within the slurry production reservoir. The crystallization surface is chilled to a temperature below a freezing point of the saline solution within the reservoir such that ice particles form on the crystallization surface. A deflector in the form of a reciprocating member is provided for periodically distorting the crystallization surface and dislodging the ice particles which form on the crystallization surface. Using reservoir mixing the slurry is conditioned for easy pumping directly out of the production reservoir via medical tubing or delivery through other means such as squeeze bottles, squeeze bags, hypodermic syringes, manual hand delivery, and the like.

  1. Estimating the Whole Ecosystem Metabolism of West Falmouth Harbor Jeffrey D. Walker

    E-Print Network [OSTI]

    Vallino, Joseph J.

    ), and net ecosystem production (NEP), in two regions of a shallow temperate estuary on Cape Cod, MA named we found rates of respiration, GPP and NEP ranging from -2.8, 2.8, and -0.1 g C m-2 d-1 eutrophic and phytoplankton-dominated inner harbor we found greater rates of respiration, GPP and NEP

  2. Paleoecology of Calf Island in Boston's Outer Harbor WILLIAM A. PATTERSON III1,*

    E-Print Network [OSTI]

    Schweik, Charles M.

    -marsh peat to understand the landscape processes (both natural and anthropogenic) that have influenced greater detail over a longer period of nearly 1200 years. 1 Department of Natural Resources Conservation- responding author - wap@forwild.umass.edu. Boston Harbor Islands National Park Area: Natural Resources

  3. Fisheries Research Laboratory. Department of Marine Resources West Boothbay Harbor. Maine 04575

    E-Print Network [OSTI]

    Fisheries Research Laboratory. Department of Marine Resources West Boothbay Harbor. Maine 04575 saltatrix, in Maine Abstract.-The bluefish, Poma- tomus saltatrix (Linnaeusl, is abundant in the South spawning locations) for juvenile bluefish in Maine. Most observa- tions ofjuvenile bluefish were from

  4. PROVISIONING AND PREY QUALITY IN BROWN PELICANS (PELECANUS OCCIDENTALIS) IN CHARLESTON HARBOR, SOUTH CAROLINA

    E-Print Network [OSTI]

    Jodice, Patrick

    , SOUTH CAROLINA A Thesis Presented to the Graduate School of Clemson University In Partial Fulfillment occidentalis) nesting at a colony in Charleston Harbor, South Carolina during the 2006 breeding season on the coast of South Carolina. Some of these fish species are likely only available in the seabirds' diet

  5. Harbor Branch researcher on top of bottom life ahead of oil spill

    E-Print Network [OSTI]

    Fernandez, Eduardo

    Harbor Branch researcher on top of bottom life ahead of oil spill By Ed Killer Saturday, June 12 like if touched by an underwater plume of oil. No doubt, much of it would be gone forever. Reed inhabiting the reefs, Reed hoped the oil would not be swept around the tip of Florida and onto the fragile

  6. Assessing the ecological and human health status of Baltimore's Inner Harbor

    E-Print Network [OSTI]

    Boynton, Walter R.

    Assessing the ecological and human health status of Baltimore's Inner Harbor Caroline Wicks1, Heath Partnership of Baltimore, 3Center for Watershed Protection, 4Integration and Application Network Mid-Atlantic Volunteer Monitoring Conference August 10-11, 2011 #12;Outline of this talk · Introduction to Baltimore

  7. Patent Ductus Venosus and Dioxin Resistance in Mice Harboring a Hypomorphic Arnt Allele*

    E-Print Network [OSTI]

    Bradfield, Christopher A.

    Patent Ductus Venosus and Dioxin Resistance in Mice Harboring a Hypomorphic Arnt Allele* Received: the toxicological response to compounds such as 2,3,7,8-tetrachlorodibenzo-p-dioxin (dioxin) and the de- velopmental a patent ductus venosus, identical to that observed in the Ahr null mice. Parallel dioxin toxicity studies

  8. BIOENERGY AND BIOFUELS Anodic biofilms in microbial fuel cells harbor low numbers

    E-Print Network [OSTI]

    BIOENERGY AND BIOFUELS Anodic biofilms in microbial fuel cells harbor low numbers of higher a higher-power density (17.4 mW/m2 ) than the mixed culture, although voltage generation was variable. Our; Kiely et al. 2010; Parameswaran et al. 2009a, b). In general, power densities for acetic acid

  9. The repairs on the joint head dam on the Salt River in Arizona

    E-Print Network [OSTI]

    Tillotson, Luther Rudolph

    1916-01-01

    on the Salt River. This structure impounds the flood waters of the Salt and holds them in a reservoir to be used as needed in the valley below. The next structure un­ dertaken was on the site of the old Granite Reef Dam. This new work is of concrete..., leaving the Joint Head Dam h igh and dry. The government rebuilt this dam of concrete, as shown. It further built dykes of earth over the arroyas south of the river which formed the high level river bed. A p rofile of these washed-out por­ tions...

  10. Wildlife Mitigation and Restoration for Grand Coulee Dam: Blue Creek Project, Phase 1.

    SciTech Connect (OSTI)

    Merker, Christopher

    1993-04-01

    This report is a recommendation from the Spokane Tribe to the Northwest Power Planning Council (NPPC) for partial mitigation for the extensive wildlife and wildlife habitat losses on the Spokane Indian Reservation caused by the construction of Grand Coulee Dam. NPPC`s interim wildlife goal over the next 7 years for the Columbia hydropower system, is to protect, mitigate and enhance approximately 35% basin wide of the lost habitat units. Grand Coulee Dam had the greatest habitat losses of any Dams of the Wildlife Rule.

  11. Relationship of the weaning weight of beef calves to the size of their dams 

    E-Print Network [OSTI]

    Tanner, James Edward

    1964-01-01

    and regression of 180- day weight of calf on weight of dam Average 180-day weight of crossbred calves for each weight of dam group 48 CHAPTER I INTRODUCTION The major reason for undertaking this study was to explore in de- tail the relationship between... of MASTER OF SCIENCE August 1964 Major Subject; Animal Breeding REIATIONSHIP OF THE WEANING WEIGHT OF BEEF CALVES TO THE SIZE OF THEIR DAMS A Thesis By JAMES EDWARD TANNER Approved as to style and content by: ';/ . (Chatrman o Committee) (Head...

  12. Integrated automation of the New Waddell Dam performance data acquisition system

    SciTech Connect (OSTI)

    Welch, L.R.; Fields, P.E.

    1999-07-01

    New Waddell Dam, a key feature of the US Bureau of Reclamation's Central Arizona Project, had elements of its dam safety data acquisition system incorporated into the design and construction. The instrumentation array is a reflection of the dam's large size and foundation complexity. Much of the instrumentation is automated. This automation was accomplished while maintaining independent communication connections to major divisions of the instrument array. Fiber optic cables are used to provide high Quality data, free from voltage surges that could originate in a nearby powerplant switchyard or from lightning. The system has been working well but there are concerns with a lack of continued equipment manufacturer support.

  13. Monitoring of Subyearling Chinook Salmon Survival and Passage at Bonneville Dam, Summer 2010

    SciTech Connect (OSTI)

    Ploskey, Gene R.; Weiland, Mark A.; Carlson, Thomas J.

    2011-02-01

    The purpose of this study was to estimate dam passage and route specific survival rates for subyearling Chinook salmon smolts to a primary survival-detection array located 81 km downstream of the dam, evaluate a BGS located in the B2 forebay, and evaluate effects of two spill treatments. The 2010 study also provided estimates of forebay residence time, tailrace egress time, spill passage efficiency (SPE), and spill + B2 Corner Collector (B2CC) efficiency, as required in the Columbia Basin Fish Accords. In addition, the study estimated forebay passage survival and survival of fish traveling from the forebay entrance array, through the dam and downstream through 81 km of tailwater.

  14. Monitoring of Subyearling Chinook Salmon Survival and Passage at Bonneville Dam, Summer 2010

    SciTech Connect (OSTI)

    Ploskey, Gene R.; Weiland, Mark A.; Carlson, Thomas J.

    2012-09-01

    The purpose of this study was to estimate dam passage and route specific survival rates for subyearling Chinook salmon smolts to a primary survival-detection array located 81 km downstream of the dam, evaluate a BGS located in the B2 forebay, and evaluate effects of two spill treatments. The 2010 study also provided estimates of forebay residence time, tailrace egress time, spill passage efficiency (SPE), and spill + B2 Corner Collector (B2CC) efficiency, as required in the Columbia Basin Fish Accords. In addition, the study estimated forebay passage survival and survival of fish traveling from the forebay entrance array, through the dam and downstream through 81 km of tailwater.

  15. Proceedings of the 1998 USCOLD Annual Lecture, Buffalo, New York. August 1998 PORTFOLIO RISK ASSESSMENT: A TOOL FOR DAM SAFETY RISK MANAGEMENT

    E-Print Network [OSTI]

    Bowles, David S.

    ASSESSMENT: A TOOL FOR DAM SAFETY RISK MANAGEMENT David S. Bowles1 , Loren R. Anderson2 , Terry F. Glover3 , and Sanjay S. Chauhan4 ABSTRACT Dam owners, engineers and regulators who are responsible for the safety of groups of dams need to prioritize dam safety evaluations or funding for structural and non

  16. Bedmap2: improved ice bed, surface and thickness datasets for Antarctica

    E-Print Network [OSTI]

    2013-01-01

    Surface configuration, ice thick- ness, volume and bedrockconstruction of the ice thick- ness grids. between flightof the physical ice thick- ness, rather than an “ice-

  17. An Assessment of Energy Potential at Non-Powered Dams in the United States

    SciTech Connect (OSTI)

    Hadjerioua, Boualem

    2012-04-01

    This document provides results from a nation-scale analysis to determine the potential capacity and generation available from adding power production capability to U.S. non-powered dams.

  18. Finite element analysis of three TVA dams with alkali-aggregate reaction

    SciTech Connect (OSTI)

    Grenoble, B.A.; Meisenheimer, J.K.; Wagner, C.D.; Newell, V.A.

    1995-12-31

    Three large Tennessee Valley Authority (TVA) dams are currently experiencing problems caused by alkali-aggregate reaction (AAR). Since the fall of 1990, engineers in Stone & Webster`s Denver, Colorado office have been working with TVA to evaluate how AAR is affecting the dams and to identify measures for controlling the adverse effects of the concrete growth. This paper provides an overview of how finite element analysis is being used to understand the affects of AAR on these structures and to evaluate alternatives for minimizing the adverse effects of the concrete growth. Work on Hiwassee Dam is essentially complete, while that on the Chickamauga and Fontana Projects is still in progress. Consequently, this paper will focus primarily on Hiwassee Dam. The ongoing work on the other two projects will only be discussed briefly.

  19. Economic Implications of New Crops, Row Damming and Land Clearing in the Texas Winter Garden 

    E-Print Network [OSTI]

    Muncrief, G.E.; Lacewell, R. D.; Cornforth, G. C.; Pena, J. G.

    1983-01-01

    cotton), row damming, and conversion of range to cropland was evaluated using a regional linear programming model. Temporal analysis, 1981-2001, incorporated changes in groundwater availability, static groundwater levels, and corresponding fixed...

  20. A Prehistoric Lahar-Dammed Lake And Eruption Of Mount Pinatubo...

    Open Energy Info (EERE)

    Prehistoric Lahar-Dammed Lake And Eruption Of Mount Pinatubo Described In A Philippine Aborigine Legend Jump to: navigation, search OpenEI Reference LibraryAdd to library Journal...

  1. Monitoring of Juvenile Subyearling Chinook Salmon Survival and Passage at John Day Dam, Summer 2010

    SciTech Connect (OSTI)

    Weiland, Mark A.; Ploskey, Gene R.; Hughes, James S.; Woodley, Christa M.; Deng, Zhiqun; Carlson, Thomas J.; Skalski, J. R.; Townsend, Richard L.

    2012-11-15

    The purpose of this study was to evaluate dam passage survival of subyearling Chinook salmon (Oncorhynchus tshawytscha; CH0) at John Day Dam (JDA) during summer 2010. This study was conducted by researchers from the Pacific Northwest National Laboratory (PNNL) in collaboration with the Pacific States Marine Fisheries Commission (PSMFC) and the University of Washington (UW). The study was designed to estimate the effects of 30% and 40% spill treatment levels on single release survival rates of CH0 passing through two reaches: (1) the dam, and 40 km of tailwater, (2) the forebay, dam, and 40 km of tailwater. The study also estimated additional passage performance measures which are stipulated in the Columbia Basin Fish Accords.

  2. UNIVERSIT DU QUBEC MONTRAL THE IMPACT Of DAMS ON THE SAINTE-MARGUERITE AND ROMAINE

    E-Print Network [OSTI]

    UNIVERSITÉ DU QUÉBEC À MONTRÉAL THE IMPACT Of DAMS ON THE SAINTE-MARGUERITE AND ROMAINE RIVERS MATIÈRES LISTE DES FIGURES ET TABLEAUX 6 RÉSUM·É 7 CHAPITRE 1 INTRODUCTION GÉNÉRALE. .1 1

  3. 'EAITLE, WA bruary 1972

    E-Print Network [OSTI]

    · tions that review in con id rable d tail and at a high technical 11'\\"f'1 c daill "nlad an'as flf r lU70, pp., (j fig'. !J!l. ,'almon r · arch at Ice Harbor Dam. By Wesley J. Eb 1. prill 70, pp.. 4

  4. EIS-0480: Long-Term Experimental and Management Plan for the Operation of Glen Canyon Dam

    Broader source: Energy.gov [DOE]

    Two agencies of the Department of the Interior, Bureau of Reclamation and National Park Service, are jointly preparing a Long-Term Experimental and Management Plan for the Glen Canyon Dam and an EIS for adoption of the Plan. The Glen Canyon Dam, on the Colorado River in northern, Arizona, generates hydroelectric power that is marketed by DOE's Western Area Power Administration, a cooperating agency.

  5. Optimization of Hydroacoustic Equipment Deployments at Lookout Point and Cougar Dams, Willamette Valley Project, 2010

    SciTech Connect (OSTI)

    Johnson, Gary E.; Khan, Fenton; Ploskey, Gene R.; Hughes, James S.; Fischer, Eric S.

    2010-08-18

    The goal of the study was to optimize performance of the fixed-location hydroacoustic systems at Lookout Point Dam (LOP) and the acoustic imaging system at Cougar Dam (CGR) by determining deployment and data acquisition methods that minimized structural, electrical, and acoustic interference. The general approach was a multi-step process from mount design to final system configuration. The optimization effort resulted in successful deployments of hydroacoustic equipment at LOP and CGR.

  6. EIS-0351: Operation of Flaming Gorge Dam, Colorado River Storage Project, Colorado River, UT

    Broader source: Energy.gov [DOE]

    The Secretary of the United States Department of the Interior (Secretary), acting through the Bureau of Reclamation (Reclamation), is considering whether to implement a proposed action under which Flaming Gorge Dam would be operated to achieve the flow and temperature regimes recommended in the September 2000 report Flow and Temperature Recommendations for Endangered Fishes in the Green River Downstream of Flaming Gorge Dam (2000 Flow and Temperature Recommendations), published by the Upper Colorado River Endangered Fish Recovery Program (Recovery Program).

  7. Hydrogen ICE Vehicle Testing Activities

    SciTech Connect (OSTI)

    J. Francfort; D. Karner

    2006-04-01

    The Advanced Vehicle Testing Activity teamed with Electric Transportation Applications and Arizona Public Service to develop and monitor the operations of the APS Alternative Fuel (Hydrogen) Pilot Plant. The Pilot Plant provides 100% hydrogen, and hydrogen and compressed natural gas (H/CNG)-blended fuels for the evaluation of hydrogen and H/CNG internal combustion engine (ICE) vehicles in controlled and fleet testing environments. Since June 2002, twenty hydrogen and H/CNG vehicles have accumulated 300,000 test miles and 5,700 fueling events. The AVTA is part of the Department of Energy’s FreedomCAR and Vehicle Technologies Program. These testing activities are managed by the Idaho National Laboratory. This paper discusses the Pilot Plant design and monitoring, and hydrogen ICE vehicle testing methods and results.

  8. Compliance Monitoring of Juvenile Yearling Chinook Salmon and Steelhead Survival and Passage at The Dalles Dam, Spring 2010

    SciTech Connect (OSTI)

    Carlson, Thomas J.; Skalski, John R.

    2010-10-01

    The purpose of this compliance study was to estimate dam passage survival of yearling Chinook salmon and steelhead smolts at The Dalles Dam during spring 2010. Under the 2008 Federal Columbia River Power System (FCRPS) Biological Opinion (BiOp), dam passage survival should be greater than or equal to 0.96 and estimated with a standard error (SE) less than or equal 0.015. The study also estimated smolt passage survival from the forebay boat-restricted zone (BRZ) to the tailrace BRZ at The Dalles Dam, as well as the forebay residence time, tailrace egress, and spill passage efficiency (SPE), as required in the Columbia Basin Fish Accords. A virtual/paired-release design was used to estimate dam passage survival at The Dalles Dam. The approach included releases of acoustic-tagged smolts above John Day Dam that contributed to the formation of a virtual release at the face of The Dalles Dam. A survival estimate from this release was adjusted by a paired release below The Dalles Dam. A total of 4,298 yearling Chinook salmon and 4,309 steelhead smolts were tagged and released in the investigation. The Juvenile Salmon Acoustic Telemetry System (JSATS) tag model number ATS-156dB, weighing 0.438 g in air, was used in this investigation. The dam passage survival results are summarized as follows: Yearling Chinook Salmon 0.9641 (SE = 0.0096) and Steelhead 0.9535 (SE = 0.0097).

  9. Hydropower and the environment: A case study at Glen Canyon Dam

    SciTech Connect (OSTI)

    Wegner, D.L. [Denver Technical Service Center, Flagstaff, AZ (United States)

    1995-12-31

    The management of hydroelectric resources in the Colorado River requires a balancing of hydrologic, social, natural and cultural resources. The resulting management often has to deal with inherently conflicting objectives, short and long-term goals, time frames and operational flexibility. Glen Canyon Dam, AZ, on the Colorado River, controls the release of water into the Grand Canyon. The dam has been under intense public scrutiny since it was completed in 1963. An Environmental Impact Statement evaluating the future operations and options for Glen Canyon Dam was initiated by the Department of the Interior in 1989 and completed in 1995. An Adaptive Management approach to future operational management has been developed as part of the Glen Canyon Dam Environmental Impact Statement process. Future operations at Glen Canyon Dam will take into consideration the need to balance water movement and hydroelectricity development with natural, recreation, Native American and cultural needs. Future management of rivers requires acknowledgement of the dynamic nature of ecosystems and the need to link scientific information into the decision-making process. Lessons learned and programs developed at Glen Canyon Dam may be applied to other river systems.

  10. FAFCO Ice Storage test report

    SciTech Connect (OSTI)

    Stovall, T.K.

    1993-11-01

    The Ice Storage Test Facility (ISTF) is designed to test commercial ice storage systems. FAFCO provided a storage tank equipped with coils designed for use with a secondary fluid system. The FAFCO ice storage system was tested over a wide range of operating conditions. Measured system performance during charging showed the ability to freeze the tank fully, storing from 150 to 200 ton-h. However, the charging rate showed significant variations during the latter portion of the charge cycle. During discharge cycles, the storage tank outlet temperature was strongly affected by the discharge rate and tank state of charge. The discharge capacity was dependent upon both the selected discharge rate and maximum allowable tank outlet temperature. Based on these tests, storage tank selection must depend on both charge and discharge conditions. This report describes FAFCO system performance fully under both charging and discharging conditions. While the test results reported here are accurate for the prototype 1990 FAFCO Model 200, currently available FAFCO models incorporate significant design enhancements beyond the Model 200. At least one major modification was instituted as a direct result of the ISTF tests. Such design improvements were one of EPRI`s primary goals in founding the ISTF.

  11. Geol 795 Paleoceanography Ice Sheet Dynamics and Climate Change

    E-Print Network [OSTI]

    Barranco, Joseph

    Geol 795 ­ Paleoceanography Ice Sheet Dynamics and Climate Change Class Meetings: Tuesday 9 of articles related ice sheet dynamics and the role of ice sheets in past, present, and future climate change ice sheet dynamics and the role of ice sheets in climate change. We will discuss effective ways

  12. Developing stakeholder understanding, technical capability, and responsibility: The New Bedford Harbor Superfund Forum

    SciTech Connect (OSTI)

    Finney, C.; Polk, R.E.

    1995-11-01

    The community of New Bedford, Massachusetts, site of one of the world`s worst underwater polychlorinated biphenyls (PCB) dumps, is undergoing a second attempt to choose the method for the first phase of the harbor Superfund site clean-up. The first attempt, which some termed a ``model public participation process,`` ended unfruitfully when the larger community rejected the selected remedy. The authors examine how a new effort -- the ongoing New Bedford Harbor Superfund Forum -- is working to instill in its participants the technical understanding and capability to assist in the selection of a remedy, as well as creating a larger sense of community ownership that will outlive the process. This article briefly reviews the first attempt at public participation and the factors that contributed to its dissolution, and then examines the current forum and the changes that increase the likelihood of the community accepting the forum`s recommendation.

  13. MICROANALYSIS OF NY/NJ HARBOR SEDIMENTS USING SYNCHROTRON X-RAY BEAMS.

    SciTech Connect (OSTI)

    JONES,K.W.FENG,H.LANZIROTTI,A.MARINKOVIC,N.ET AL.

    2003-12-31

    Sediments found in the New York/New Jersey Harbor are widely contaminated with organic and inorganic compounds of anthropogenic origin. As a result, the environmental health of the Harbor has deteriorated and the efficient operation of the Port compromised by difficulties in disposing of sediments resulting from maintenance and improvements of navigational channels. Knowledge of the properties of the sediments on a micro-scale is useful in understanding the transport of contaminants through the environment, for developing effective methods for sediment decontamination, and for subsequent beneficial use of the cleaned sediments. We have investigated several properties of these sediments using synchrotron radiation techniques. These include computed microtomography using absorption and fluorescence contrast mechanisms, x-ray microscopy, microbeam x-ray fluorescence, and Fourier Transform Infrared Spectroscopy (FTIR) for measurements of microstructure, distribution of metals on individual sediment particles, and chemical forms of the contaminants on a micrometer scale. Typical results obtained with these techniques are presented.

  14. IceT users' guide and reference.

    SciTech Connect (OSTI)

    Moreland, Kenneth D.

    2011-01-01

    The Image Composition Engine for Tiles (IceT) is a high-performance sort-last parallel rendering library. In addition to providing accelerated rendering for a standard display, IceT provides the unique ability to generate images for tiled displays. The overall resolution of the display may be several times larger than any viewport that may be rendered by a single machine. This document is an overview of the user interface to IceT.

  15. In situ cosmogenic radiocarbon production and 2-D ice flow line modeling for an Antarctic blue ice area

    E-Print Network [OSTI]

    Severinghaus, Jeffrey P.

    In situ cosmogenic radiocarbon production and 2-D ice flow line modeling for an Antarctic blue ice; accepted 12 April 2012; published 24 May 2012. [1] Radiocarbon measurements at ice margin sites and blue and 2-D ice flow line modeling for an Antarctic blue ice area, J. Geophys. Res., 117, F02029, doi:10

  16. BISICLES Captures Details of Retreating Antarctic Ice

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

    software framework, and linked them to the existing Community Ice Sheet Model code (CISM). With AMR, researchers can now model dynamic points of interest at extremely high...

  17. The Next ICE Age | Department of Energy

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

    More Documents & Publications The Next ICE Age Fuel Modification t Facilitate Future Combustion Regimes? Optimization of Advanced Diesel Engine Combustion Strategies...

  18. The Stability of the Greenland Ice Sheet

    E-Print Network [OSTI]

    Biasutti, Michela

    , distribution and seasonality · Solid Earth: · Geothermal heatflux Abrupt Climate Change Studies Symposium 21 Rebound (GIA) GPS stations measure vertical deformation of solid Earth as ice

  19. Relationships between Water Wettability and Ice Adhesion

    E-Print Network [OSTI]

    Meuler, Adam J.

    Ice formation and accretion may hinder the operation of many systems critical to national infrastructure, including airplanes, power lines, windmills, ships, and telecommunications equipment. Yet despite the pervasiveness ...

  20. Viscosity of interfacial water regulates ice nucleation

    SciTech Connect (OSTI)

    Li, Kaiyong; Chen, Jing; Zhang, Qiaolan; Zhang, Yifan; University of Chinese Academy of Sciences, Beijing 100049 ; Xu, Shun; Zhou, Xin; Cui, Dapeng; Wang, Jianjun Song, Yanlin

    2014-03-10

    Ice formation on solid surfaces is an important phenomenon in many fields, such as cloud formation and atmospheric icing, and a key factor for applications in preventing freezing. Here, we report temperature-dependent nucleation rates of ice for hydrophilic and hydrophobic surfaces. The results show that hydrophilic surface presents a lower ice nucleation rate. We develop a strategy to extract the thermodynamic parameters, J{sub 0} and ?, in the context of classical nucleation theory. From the extracted J{sub 0} and ?, we reveal the dominant role played by interfacial water. The results provide an insight into freezing mechanism on solid surfaces.

  1. Mathematics Of Ice To Aid Global Warming Forecasts Mathematics Of Ice To Aid Global Warming Forecasts

    E-Print Network [OSTI]

    Golden, Kenneth M.

    Mathematics Of Ice To Aid Global Warming Forecasts Mathematics Of Ice To Aid Global Warming forecasts of how global warming will affect polar icepacks. See also: Earth & Climate q Global Warming q the effects of climate warming, and its presence greatly reduces solar heating of the polar oceans." "Sea ice

  2. Relationship between ice water content and equivalent radar reflectivity for clouds consisting of nonspherical ice particles

    E-Print Network [OSTI]

    Baum, Bryan A.

    Relationship between ice water content and equivalent radar reflectivity for clouds consisting investigates the relationship between ice water content (IWC) and equivalent radar reflectivity (Ze) at 94 GHz. Baum, and A. J. Heymsfield (2008), Relationship between ice water content and equivalent radar

  3. A New Approach for Exploring Ice Sheets and Sub-Ice Geology

    E-Print Network [OSTI]

    Kristoffersen, Yngve

    A New Approach for Exploring Ice Sheets and Sub-Ice Geology Active seismic measurements were geology driven by ice flow [Smith et al., 2007] and the long record of seismic exploration of subglacial sur- veys because of the considerable logistical effort necessary for seismic data acquisition

  4. Satellite SAR Remote Sensing of Great Lakes Ice Cover, Part 2. Ice Classification and Mapping

    E-Print Network [OSTI]

    (look-up table) for different ice types. The library is used in the computer classifica- tion (freshwater) ice types using the Jet Propulsion Laboratory C-band scatterometer, together with surface data set, composed of over 20 variations of different ice types measured at incident angles from 0

  5. ARKTOS: An intelligent system for SAR sea ice image classification

    E-Print Network [OSTI]

    Soh, L. K.; Tsatsoulis, Costas; Gineris, D.; Bertoia, C.

    2004-01-01

    We present an intelligent system for satellite sea ice image analysis named Advanced Reasoning using Knowledge for T ping Of Sea ice (ARKTOS). ARKTOS performs fully automated analysis of synthetic aperture radar (SAR) sea ice images by mimicking...

  6. Survival Estimates for the Passage of Yearling Chinook Salmon and Steelhead through Snake River Dams and Reservoirs, 1995 Annual Report.

    SciTech Connect (OSTI)

    Muir, William D.

    1996-03-01

    Documentation is provided for the third of a multiyear study to estimate the survival of juvenile salmonids passing through dams and reservoirs on the Snake River.

  7. A direct evidence of vibrationally delocalized response at ice surface

    SciTech Connect (OSTI)

    Ishiyama, Tatsuya; Morita, Akihiro

    2014-11-14

    Surface-specific vibrational spectroscopic responses at isotope diluted ice and amorphous ice are investigated by molecular dynamics (MD) simulations combined with quantum mechanics/molecular mechanics calculations. The intense response specific to the ordinary crystal ice surface is predicted to be significantly suppressed in the isotopically diluted and amorphous ices, demonstrating the vibrational delocalization at the ordinary ice surface. The collective vibration at the ice surface is also analyzed with varying temperature by the MD simulation.

  8. ARM - TWP-ICE Maps

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity ofkandz-cm11 Comments?govInstrumentsnoaacrnBarrow, AlaskaManus Site-Inactive TWP Related Links Facilities andTWP-ICE Maps

  9. IceCube at NERSC

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity ofkandz-cm11 Outreach Home Room NewsInformation CurrentHenry Bellamy, Ph.D.FoodHydropower,Principal InvestigatorsIceCube at

  10. Results from IceCube/IceTop Ooty, 17/12/12 Tom Gaisser for the IceCube Collab. 1

    E-Print Network [OSTI]

    Gaisser, Thomas K.

    , 17/12/12 Tom Gaisser for the IceCube Collab. 3 #12;Mumbai, 11/12/12 Tom;Mumbai, 11/12/12 Tom Gaisser for the IceCube Collab. 5 DetecMng neutrinos in H of interac,ons IceTop #12;Mumbai, 11/12/12 Tom Gaisser for the IceCube Collab. 6

  11. Radar attenuation and temperature within the Greenland Ice Sheet

    E-Print Network [OSTI]

    2015-01-01

    on obliquely propagating radio waves, IEEE Trans. Geosci.dielectric attenuation of radio waves through ice is alsoattenuation of radio waves through ice is also temperature

  12. ICR-ICE Standard Operating Procedures (Update Sept 2013) | Department...

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

    ICR-ICE Standard Operating Procedures (Update Sept 2013) ICR-ICE Standard Operating Procedures (Update Sept 2013) ICRICE SOPSep 2013Final.pdf More Documents & Publications...

  13. Rapid development of an ice sheet climate application using the...

    Office of Scientific and Technical Information (OSTI)

    Technical Report: Rapid development of an ice sheet climate application using the components-based approach Citation Details In-Document Search Title: Rapid development of an ice...

  14. Complex systems influence melting of Greenland ice sheet

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

    Complex systems influence melting of Greenland ice sheet Complex systems influence melting of Greenland ice sheet International research team's field work shows that, well, things...

  15. Cosmic-ray results from IceCube/ Mumbai, 12/12/12 Tom Gaisser for the IceCube Collab. 1

    E-Print Network [OSTI]

    Gaisser, Thomas K.

    Cosmic-ray results from IceCube/ IceTop Mumbai, 12/12/12 Tom Gaisser for the IceCube Collab. 1 #12;Mumbai, 12/12/12 Tom Gaisser for the IceCube Collab. 2 events ­ IceTop/deep IceCube Mumbai, 12/12/12 Tom Gaisser for the IceCube Collab

  16. Evaluation of Behavioral Guidance Structure on Juvenile Salmonid Passage and Survival at Bonneville Dam in 2009

    SciTech Connect (OSTI)

    Faber, Derrek M.; Ploskey, Gene R.; Weiland, Mark A.; Deng, Zhiqun; Hughes, James S.; Kim, Jin A.; Fu, Tao; Fischer, Eric S.; Monter, Tyrell J.; Skalski, J. R.

    2011-03-01

    Pacific Northwest National Laboratory (PNNL) conducted an acoustic-telemetry study at Bonneville Dam in 2009 to evaluate the effects of a behavioral guidance structure (BGS) in the Bonneville Dam second powerhouse forebay on fish passage and survival through the second powerhouse (B2), the dam as a whole, and through the first powerhouse and spillway combined. The BGS was deployed to increase the survival of fish passing through B2 by increasing the percentage of outmigrating smolts entering the B2 Corner Collector (B2CC)—a surface flow outlet known to be a relatively benign route for downstream passage at this dam. The study relied on releases of live Juvenile Salmon Acoustic Telemetry System tagged smolts in the Columbia River and used acoustic telemetry to evaluate the approach, passage, and survival of passing juvenile salmon. Study results indicated that having turbine 11 in service is important for providing flow conditions that are comparable to those observed in pre-BGS years (2004 and 2005) and in 2008. This study supports the U.S. Army Corps of Engineers continual effort to improve conditions for juvenile anadromous fish passing through Columbia River dams.

  17. Passive ice freezing-releasing heat pipe

    DOE Patents [OSTI]

    Gorski, Anthony J. (Lemont, IL); Schertz, William W. (Batavia, IL)

    1982-01-01

    A heat pipe device has been developed which permits completely passive ice formation and periodic release of ice without requiring the ambient temperature to rise above the melting point of water. This passive design enables the maximum amount of cooling capacity to be stored in the tank.

  18. Ice Cover on the Great Lakes NATIONALOCEANIC

    E-Print Network [OSTI]

    : In the shallow waters where whitefish spawn, ice cover protects their eggs from destructive wind and wave action://coastwatch.glerl.noaa.gov/glsea/cur/glsea_cur.png #12;GLERL Research Forecast capability The capability to forecast and predict ice cover is important for recreational safety and rescue efforts as well as for navigation, weather forecasting, adapting to lake level

  19. Parameterizing Size Distribution in Ice Clouds

    SciTech Connect (OSTI)

    DeSlover, Daniel; Mitchell, David L.

    2009-09-25

    PARAMETERIZING SIZE DISTRIBUTIONS IN ICE CLOUDS David L. Mitchell and Daniel H. DeSlover ABSTRACT An outstanding problem that contributes considerable uncertainty to Global Climate Model (GCM) predictions of future climate is the characterization of ice particle sizes in cirrus clouds. Recent parameterizations of ice cloud effective diameter differ by a factor of three, which, for overcast conditions, often translate to changes in outgoing longwave radiation (OLR) of 55 W m-2 or more. Much of this uncertainty in cirrus particle sizes is related to the problem of ice particle shattering during in situ sampling of the ice particle size distribution (PSD). Ice particles often shatter into many smaller ice fragments upon collision with the rim of the probe inlet tube. These small ice artifacts are counted as real ice crystals, resulting in anomalously high concentrations of small ice crystals (D < 100 µm) and underestimates of the mean and effective size of the PSD. Half of the cirrus cloud optical depth calculated from these in situ measurements can be due to this shattering phenomenon. Another challenge is the determination of ice and liquid water amounts in mixed phase clouds. Mixed phase clouds in the Arctic contain mostly liquid water, and the presence of ice is important for determining their lifecycle. Colder high clouds between -20 and -36 oC may also be mixed phase but in this case their condensate is mostly ice with low levels of liquid water. Rather than affecting their lifecycle, the presence of liquid dramatically affects the cloud optical properties, which affects cloud-climate feedback processes in GCMs. This project has made advancements in solving both of these problems. Regarding the first problem, PSD in ice clouds are uncertain due to the inability to reliably measure the concentrations of the smallest crystals (D < 100 µm), known as the “small mode”. Rather than using in situ probe measurements aboard aircraft, we employed a treatment of ice cloud optical properties formulated in terms of PSD parameters in combination with remote measurements of thermal radiances to characterize the small mode. This is possible since the absorption efficiency (Qabs) of small mode crystals is larger at 12 µm wavelength relative to 11 µm wavelength due to the process of wave resonance or photon tunneling more active at 12 µm. This makes the 12/11 µm absorption optical depth ratio (or equivalently the 12/11 µm Qabs ratio) a means for detecting the relative concentration of small ice particles in cirrus. Using this principle, this project tested and developed PSD schemes that can help characterize cirrus clouds at each of the three ARM sites: SGP, NSA and TWP. This was the main effort of this project. These PSD schemes and ice sedimentation velocities predicted from them have been used to test the new cirrus microphysics parameterization in the GCM known as the Community Climate Systems Model (CCSM) as part of an ongoing collaboration with NCAR. Regarding the second problem, we developed and did preliminary testing on a passive thermal method for retrieving the total water path (TWP) of Arctic mixed phase clouds where TWPs are often in the range of 20 to 130 g m-2 (difficult for microwave radiometers to accurately measure). We also developed a new radar method for retrieving the cloud ice water content (IWC), which can be vertically integrated to yield the ice water path (IWP). These techniques were combined to determine the IWP and liquid water path (LWP) in Arctic clouds, and hence the fraction of ice and liquid water. We have tested this approach using a case study from the ARM field campaign called M-PACE (Mixed-Phase Arctic Cloud Experiment). This research led to a new satellite remote sensing method that appears promising for detecting low levels of liquid water in high clouds typically between -20 and -36 oC. We hope to develop this method in future research.

  20. Effects of the Georgia flood of `94 on Lake Blackshear Dam

    SciTech Connect (OSTI)

    Findlay, R.C.; Northrop, J.H. [Northrop, Devine & Tarbell, Inc., Portland, ME (United States); Crisp, R.L. Jr. [and others

    1995-12-31

    Tropical Storm Alberto produced record rainfall in central Georgia in early July, 1994. The area drains into Lake Blackshear, formed in the Flint River by Lake Blackshear Dam. The level of the lake rose 3.5 m (11.5 ft) above normal and caused the worst flooding of the area in recorded history. The north embankment of the dam was overtopped, causing a 215 m (700 ft) breach. Prior to the breach, a few concentrated boils were observed in the tailwater downstream of the non-breached portion of the dam. This portion remained intact through the flood, but the presence of the boils raised questions regarding its integrity. The effects of the flood on the north embankment are discussed, as well as the geotechnical investigation conducted to assess subsurface conditions at the breach and intact portions and the plan for remediation.

  1. Hungry Horse Dam Fisheries Mitigation Implementation Plan, 1990-2003 Progress (Annual) Report.

    SciTech Connect (OSTI)

    Montana Department of Fish, Wildlife and Parks; Confederated Salish and Kootenai Tribes

    1993-03-10

    In this document the authors present mitigation implementation activities to protect and enhance resident fish and aquatic habitat affected by the construction and operation of Hungry Horse Dam. This plan only addresses non-operational actions (mitigation measures that do not affect dam operation) described in the 'Fisheries Mitigation Plan for Losses Attributable to the Construction and Operation of Hungry Horse Dam' (Mitigation Plan) submitted to the Northwest Power Planning Council (Council) in March 1991 and in accordance with subsequent Council action on that Mitigation Plan. Operational mitigation was deferred for consideration under the Columbia Basin System Operation Review (SOR) process. This document represents an implementation plan considered and conditionally approved by the Council in March of 1993.

  2. Survival and Passage of Yearling and Subyearling Chinook Salmon and Steelhead at The Dalles Dam, 2010

    SciTech Connect (OSTI)

    Johnson, Gary E.; Skalski, J. R.; Carlson, Thomas J.; Ploskey, Gene R.; Weiland, Mark A.; Deng, Zhiqun; Fischer, Eric S.; Hughes, James S.; Khan, Fenton; Kim, Jin A.; Townsend, Richard L.

    2011-12-01

    The acoustic telemetry study reported here was conducted by researchers at Pacific Northwest National Laboratory (PNNL) and the University of Washington (UW) for the U.S. Army Corps of Engineers, Portland District (USACE). The purpose of the study was to estimate dam passage survival and other performance measures for yearling and subyearling Chinook salmon and steelhead at The Dalles Dam as stipulated by the 2008 Biological Opinion on operation of the Federal Columbia River Power System (FCRPS) and 2008 Columbia Basin Fish Accords.

  3. Survival of Juvenile Chinook Salmon Passing the Bonneville Dam Spillway in 2007

    SciTech Connect (OSTI)

    Ploskey, Gene R.; Weiland, Mark A.; Hughes, James S.; Zimmerman, Shon A.; Durham, Robin E.; Fischer, Eric S.; Kim, Jina; Townsend, R. L.; Skalski, J. R.; Buchanan, Rebecca A.; McComas, Roy L.

    2008-12-01

    The U.S. Army Corps of Engineers Portland District (CENWP) funds numerous evaluations of fish passage and survival on the Columbia River. In 2007, the CENWP asked Pacific Northwest National Laboratory to conduct an acoustic telemetry study to estimate the survival of juvenile Chinook salmon passing the spillway at Bonneville Dam. This report documents the study results which are intended to be used to improve the conditions juvenile anadromous fish experience when passing through the dams that the Corps operates on the river.

  4. Acoustic Telemetry Evaluation of Juvenile Salmonid Passage and Survival at John Day Dam, 2010

    SciTech Connect (OSTI)

    Weiland, Mark A.; Woodley, Christa M.; Ploskey, Gene R.; Hughes, James S.; Kim, Jin A.; Deng, Zhiqun; Fu, Tao; Fischer, Eric S.; Skalski, J. R.; Townsend, Richard L.; Duncan, Joanne P.; Hennen, Matthew J.; Wagner, Katie A.; Arntzen, Evan V.; Miller, Benjamin L.; Miracle, Ann L.; Zimmerman, Shon A.; Royer, Ida M.; Khan, Fenton; Cushing, Aaron W.; Etherington, D. J.; Mitchell, T. D.; Elder, T.; Batton, George; Johnson, Gary E.; Carlson, Thomas J.

    2013-05-01

    This report presents survival, behavioral, and fish passage results for yearling and subyearling Chinook salmon smolts and juvenile steelhead tagged with JSATS acoustic micro-transmitters as part of a survival study conducted at John Day Dam during 2010. This study was designed to evaluate the passage and survival of yearling and subyearling Chinook salmon and juvenile steelhead to assist managers in identifying dam operations for compliance testing as stipulated by the 2008 Federal Columbia River Power System Biological Opinion and the 2008 Columbia Basin Fish Accords. Survival estimates were based on a single-release survival estimate model.

  5. Acoustic Telemetry Evaluation of Juvenile Salmonid Passage and Survival at John Day Dam, 2011

    SciTech Connect (OSTI)

    Weiland, Mark A.; Woodley, Christa M.; Ploskey, Gene R.; Hughes, James S.; Hennen, Matthew J.; Kim, Jin A.; Deng, Zhiqun; Fu, Tao; Skalski, J. R.; Townsend, Richard L.; Wagner, Katie A.; Fischer, Eric S.; Duncan, Joanne P.; Batten, G.; Carlson, Thomas J.; Carpenter, Scott M.; Cushing, Aaron W.; Elder, T.; Etherington, D. J.; Johnson, Gary E.; Khan, Fenton; Miracle, Ann L.; Mitchell, T. D.; Prather, K.; Rayamajhi, Bishes; Royer, Ida; Seaburg, Adam; Zimmerman, Shon A.

    2013-06-21

    This report presents survival, behavioral, and fish passage results for tagged yearling Chinook salmon and juvenile steelhead as part of a survival study conducted at John Day Dam during spring 2011. This study was designed to evaluate the passage and survival of yearling Chinook salmon and juvenile steelhead to assist managers in identifying dam operations for compliance testing as stipulated by the 2008 Federal Columbia River Power System Biological Opinion and the 2008 Columbia Basin Fish Accords. Survival estimates were based on a paired-release survival model.

  6. DFI JOURNAL Vol. 6 No. 1 July 2012 [3] Jet Grouting and Safety of Tuttle Creek Dam

    E-Print Network [OSTI]

    DFI JOURNAL Vol. 6 No. 1 July 2012 [3] Jet Grouting and Safety of Tuttle Creek Dam Timothy D. Stark to assess, particu- larly when the project involves an operational dam. Usually the reservoir is operating at non- critical conditions (normal pool or non-seismic state) during jet grouting and after construc

  7. Apparatus for efficient sidewall containment of molten metal with horizontal alternating magnetic fields utilizing a ferromagnetic dam

    DOE Patents [OSTI]

    Praeg, W.F.

    1997-02-11

    An apparatus is disclosed for casting sheets of metal from molten metal. The apparatus includes a containment structure having an open side, a horizontal alternating magnetic field generating structure and a ferromagnetic dam. The magnetic field and the ferromagnetic dam contain the molten metal from leaking out side portions of the open side of the containment structure. 25 figs.

  8. Apparatus for efficient sidewall containment of molten metal with horizontal alternating magnetic fields utilizing a ferromagnetic dam

    DOE Patents [OSTI]

    Praeg, Walter F. (Palos Park, IL)

    1997-01-01

    An apparatus for casting sheets of metal from molten metal. The apparatus includes a containment structure having an open side, a horizontal alternating magnetic field generating structure and a ferromagnetic dam. The magnetic field and the ferromagnetic dam contain the molten metal from leaking out side portions of the open side of the containment structure.

  9. Compliance Monitoring of Juvenile Yearling Chinook Salmon and Steelhead Survival and Passage at The Dalles Dam, Spring 2011

    SciTech Connect (OSTI)

    Skalski, John R.; Townsend, Richard L.; Seaburg, Adam; Johnson, Gary E.; Ploskey, Gene R.; Carlson, Thomas J.

    2012-06-12

    The study estimated dam passage survival at The Dalles Dam as stipulated by the 2008 Federal Columbia River Power System (FCRPS) Biological Opinion (BiOp) and provided additional performance measures as stipulated in the Columbia Basin Fish Accords. This summary report focuses on spring run stocks, yearling Chinook salmon and steelhead.

  10. Compliance Monitoring of Yearling Chinook Salmon and Juvenile Steelhead Survival and Passage at Bonneville Dam, Spring 2011

    SciTech Connect (OSTI)

    Skalski, John R.; Townsend, Richard L.; Seaburg, Adam; Ploskey, Gene R.; Carlson, Thomas J.

    2012-06-07

    The study was designed to estimate dam passage survival at Bonneville Dam as stipulated by the 2008 Federal Columbia River Power System (FCRPS) Biological Opinion (BiOp) and to provide additional fish passage performance measures at that site as stipulated in the Columbia Basin Fish Accords.

  11. Compliance Monitoring of Yearling Chinook Salmon and Juvenile Steelhead Survival and Passage at John Day Dam, Spring 2011

    SciTech Connect (OSTI)

    Skalski, J. R.; Townsend, Richard L.; Seaburg, Adam; Weiland, Mark A.; Woodley, Christa M.; Hughes, James S.; Carlson, Thomas J.

    2012-02-01

    The study was designed to estimate dam passage survival at John Day Dam as stipulated by the 2008 Federal Columbia River Power System (FCRPS) Biological Opinion (BiOp) and to provide additional fish passage performance measures at that site as stipulated in the Columbia Basin Fish Accords.

  12. Compliance Monitoring of Yearling Chinook Salmon and Juvenile Steelhead Survival and Passage at John Day Dam, Spring 2011

    SciTech Connect (OSTI)

    Skalski, J. R.; Townsend, Richard L.; Seaburg, Adam; Weiland, Mark A.; Woodley, Christa M.; Hughes, James S.; Carlson, Thomas J.

    2012-06-01

    The study was designed to estimate dam passage survival at John Day Dam as stipulated by the 2008 Federal Columbia River Power System (FCRPS) Biological Opinion (BiOp) and to provide additional fish passage performance measures at that site as stipulated in the Columbia Basin Fish Accords.

  13. Compliance Monitoring of Juvenile Yearling Chinook Salmon and Steelhead Survival and Passage at The Dales Dam, Spring 2011

    SciTech Connect (OSTI)

    Skalski, John R.; Townsend, Richard L.; Seaburg, Adam; Johnson, Gary E.; Ploskey, Gene R.; Carlson, Thomas J.

    2012-02-01

    The study estimated dam passage survival at The Dalles Dam as stipulated by the 2008 Federal Columbia River Power System (FCRPS) Biological Opinion (BiOp) and provided additional performance measures as stipulated in the Columbia Basin Fish Accords. This summary report focuses on spring run stocks, yearling Chinook salmon and steelhead.

  14. Compliance Monitoring of Yearling Chinook Salmon and Juvenile Steelhead Survival and Passage at Bonneville Dam, Spring 2011

    SciTech Connect (OSTI)

    Skalski, J. R.; Townsend, Richard L.; Seaburg, Adam; Ploskey, Gene R.; Carlson, Thomas J.

    2012-03-01

    The study was designed to estimate dam passage survival at Bonneville Dam as stipulated by the 2008 Federal Columbia River Power System (FCRPS) Biological Opinion (BiOp) and to provide additional fish passage performance measures at that site as stipulated in the Columbia Basin Fish Accords.

  15. White Sturgeon Mitigation and Restoration in the Columbia and Snake Rivers Upstream from Bonneville Dam; 2001-2002 Annual Report.

    SciTech Connect (OSTI)

    Ward, David L.; Kern, J. Chris; Hughes, Michele L.

    2003-12-01

    We report on our progress from April 2001 through March 2002 on determining the effects of mitigative measures on productivity of white sturgeon populations in the Columbia River downstream from McNary Dam, and on determining the status and habitat requirements of white sturgeon populations in the Columbia and Snake rivers upstream from McNary Dam.

  16. White Sturgeon Mitigation and Restoration in the Columbia and Snake Rivers Upstream from Bonneville Dam; 2002-2003 Annual Report.

    SciTech Connect (OSTI)

    Ward, David L.; Kern, J. Chris; Hughes, Michele L.

    2004-02-01

    We report on our progress from April 2002 through March 2003 on determining the effects of mitigative measures on productivity of white sturgeon populations in the Columbia River downstream from McNary Dam, and on determining the status and habitat requirements of white sturgeon populations in the Columbia and Snake rivers upstream from McNary Dam.

  17. Evaluation of a Behavioral Guidance Structure at Bonneville Dam Second Powerhouse including Passage Survival of Juvenile Salmon and Steelhead using Acoustic Telemetry, 2008

    SciTech Connect (OSTI)

    Faber, Derrek M.; Ploskey, Gene R.; Weiland, Mark A.; Deng, Zhiqun; Hughes, James S.; McComas, Roy L.; Kim, Jina; Townsend, R. L.; Fu, Tao; Skalski, J. R.; Fischer, Eric S.

    2010-02-12

    Summarizes research conducted at Bonneville Dam in 2008 to evaluate a prototype Behavioral Guidance Structure, that was deployed by the US Army Corps of Engineers in an effort to increase survival of outmigrating smolts at Bonneville Dam.

  18. Clean Water Act (Section 404) and Rivers and Harbors Act (Sections 9 and 10)

    SciTech Connect (OSTI)

    Not Available

    1992-03-01

    This Reference Book contains a current copy of the Clean Water Act (Section 404) and the Rivers and Harbors Act (Sections 9 and 10) and those regulations that implement those sections of the statutes and appear to be most relevant to DOE activities. The document is provided to DOE and contractor staff for informational purposes only and should not be interpreted as legal guidance. Updates that include important new requirements will be provided periodically. Questions concerning this Reference Book may be directed to Mark Petts, IH-231 (FTS 896-2609 or Commercial 202/586-2609).

  19. 1. Go on top of the check-dam and survey the water-shed, i.e., the upstream part from which water ows into the storage.

    E-Print Network [OSTI]

    Sohoni, Milind

    TD 603 1. Go on top of the check-dam and survey the water-shed, i.e., the upstream part from which water ows into the storage. 2. What is the storage in the dam (in cu.m.)? 3. What is the length and depth of the dam? What is its structure and cost? How much time did it take to build the dam? 4. Where

  20. Ecological evaluation of proposed discharge of dredged material from Oakland Harbor into ocean waters (Phase 2 of -42-foot project)

    SciTech Connect (OSTI)

    Word, J.Q.; Ward, J.A.; Strand, J.A.; Kohn, N.P.; Squires, A.L. (Battelle Marine Research Lab., Sequim, WA (USA))

    1990-09-01

    The US Army Corps of Engineers (USACE), San Francisco District, was authorized by the Water Resources Development Act of 1986 to deepen and widen the navigation channels of Inner and Outer Oakland Harbor, California, to accommodate modern deep-draft vessels. The recommended plan consists of deepening the harbor channels from the presently authorized water depth of {minus}35 ft mean lower low water (MLLW) to {minus}42 ft MLLW and supplying the harbor with adequate turning basins and berthing areas. Offshore ocean disposal of the dredged sediment is being considered, provided there is no evident of harmful ecological effects. It harmful ecological effects are not evident then the appropriate certifications from state environmental quality agencies and concurrence from the Environmental Protection Agency can be obtained to allow disposal of sediment. To help provide the scientific basis for determining whether Oakland Harbor sediments are suitable for offshore disposal, the Battelle/Marine Sciences Laboratory (MSL) collected sediment cores from 23 stations in Inner and Outer Oakland Harbor, evaluated these sediment cores geologically, performed chemical analyses for selected contaminants in sediments, conducted a series of solid phase toxicity tests with four sensitive marine invertebrates and assessed the bioaccumulation potential of sediment-associated contaminants in the tissues of Macoma Nasuta. 43 refs., 26 figs., 61 tabs.

  1. Radiostratigraphy and age structure of the Greenland Ice Sheet

    E-Print Network [OSTI]

    2015-01-01

    is 3.15, equivalent to a radio-wave velocity in ice of 168.9to be vertical) that a radio wave travels through ice during?t is where v ice is the radio-wave velocity in ice, ?z ¼ v

  2. Crystalline water ice on the Kuiper belt object (50000) Quaoar

    E-Print Network [OSTI]

    Jewitt, David C.

    .............................................................. Crystalline water ice on the Kuiper the presence of crystalline water ice and ammonia hydrate. Crystallinity indicates that the ice has been heated to at least 110 K. Both ammonia hydrate and crystalline water ice should be destroyed by energetic particle

  3. Molecular simulations of heterogeneous ice nucleation. I. Controlling ice nucleation through surface hydrophilicity

    E-Print Network [OSTI]

    Stephen J. Cox; Shawn M. Kathmann; Ben Slater; Angelos Michaelides

    2015-05-29

    Ice formation is one of the most common and important processes on earth and almost always occurs at the surface of a material. A basic understanding of how the physicochemical properties of a material's surface affect its ability to form ice has remained elusive. Here, we use molecular dynamics simulations to directly probe heterogeneous ice nucleation at a hexagonal surface of a nanoparticle of varying hydrophilicity. Surprisingly, we find that structurally identical surfaces can both inhibit and promote ice formation and analogous to a chemical catalyst, it is found that an optimal interaction between the surface and the water exists for promoting ice nucleation. We use our microscopic understanding of the mechanism to design a modified surface in silico with enhanced ice nucleating ability.

  4. The Implications of Dam Deconstruction Methods on the Downstream Channel Bed Kristen M. Cannatelli (kmc7r@virginia.edu) and Joanna Crowe Curran (curran@virginia.edu)

    E-Print Network [OSTI]

    Curran, Joanna C.

    increased to 77% with dam removal · % Sand on bed surface upstream and downstream of dam removal reducedThe Implications of Dam Deconstruction Methods on the Downstream Channel Bed Kristen M. Cannatelli it downstream. At the same time, the lack of sediment supply downstream leads to channel and bank erosion

  5. In this paper, we formulated an expression for the capacity of the Hamming associative memory and explored its relation to the exponential DAM. In terms of hardware implementation,

    E-Print Network [OSTI]

    Hassoun, Mohamad H.

    memory and explored its relation to the exponential DAM. In terms of hardware implementation, the correspondence between the two models allows us to use the exponential DAM to implement the minimum Hamming; 4 For a sufficiently large radix, the exponential capacity DAM can act as a Hamming associative

  6. ASDSO/FEMA Specialty Workshop on Risk Assessment for Dams. Invited paper in the Proceedings of the 2001 ASDSO 21st Annual Conference, Snowbird, Utah. September 2001.

    E-Print Network [OSTI]

    Bowles, David S.

    ASDSO/FEMA Specialty Workshop on Risk Assessment for Dams. Invited paper in the Proceedings ON RISK ASSESSMENT FOR DAMS David S. Bowles1 and Douglas L. Johnson2 Abstract The purpose of the March 2000 ASDSO/FEMA Specialty Workshop on Risk Assessment for Dams was to "conduct a review of the state

  7. PROJECT NAME: SCENIC DRIVE DAM (EPWUDam #6-TX07019) 1. Provide the name of all non-Federal interests planning to act as the sponsor, including

    E-Print Network [OSTI]

    US Army Corps of Engineers

    PROJECT NAME: SCENIC DRIVE DAM (EPWUDam #6-TX07019) 1. Provide the name of all non. The purpose for the feasibility study is to determine the need to update/upgrade the dam in order to assist (NFIP), which allows for flood insurance discounts to local residents. #12;Image 1: Dam location

  8. PROJECT NAME: SAN DIEGO DAM (TX.07314) 1. Provide the name of all non-Federal interests planning to act as the sponsor, including

    E-Print Network [OSTI]

    US Army Corps of Engineers

    PROJECT NAME: SAN DIEGO DAM (TX.07314) 1. Provide the name of all non-Federal interests planning for the feasibility study is to detennine the need to update/upgrade the dam in order to assist in our effmis), which allows for flood insurance discounts to local residents. #12;Image 1: Dam location and affected

  9. A new way to study teaching in animals: despite demonstrable benefits, rat dams do not teach their young what to eat

    E-Print Network [OSTI]

    Galef Jr., Bennett G.

    A new way to study teaching in animals: despite demonstrable benefits, rat dams do not teach taught are large. Here, we determined, first, whether Rattus novegicus dams would modify their food by mothers would be effective, if it occurred. We examined food choices of rat dams trained to eat one of two

  10. PROJECT NAME: TREMONT AVE. DAM (EPWUDam #7-TX07020) 1. Provide the name of all non-Federal interests planning to act as the sponsor, including

    E-Print Network [OSTI]

    US Army Corps of Engineers

    PROJECT NAME: TREMONT AVE. DAM (EPWUDam #7- TX07020) 1. Provide the name of all non. The purpose for the feasibility study is to determine the need to update/upgrade the dam in order to assist (NFIP), which allows for flood insurance discounts to local residents. #12;Image 1: Dam location

  11. PROJECT NAME: MURCHISON AVE. DAM (EPWUDam #8--TX07021) 1. Provide the name of all non-Federal interests planning to act as the sponsor, including

    E-Print Network [OSTI]

    US Army Corps of Engineers

    PROJECT NAME: MURCHISON AVE. DAM (EPWUDam #8--TX07021) 1. Provide the name of all non. The purpose for the feasibility study is to determine the need to update/upgrade the dam in order to assist (NFIP), which allows for flood insurance discounts to local residents. #12;Image 1: Dam location

  12. PROJECT NAME: OHIO ST. RESERVOIR DAM (TX.09511) 1. Provide the name of all non-Federal interests planning to act as the sponsor, including

    E-Print Network [OSTI]

    US Army Corps of Engineers

    PROJECT NAME: OHIO ST. RESERVOIR DAM (TX.09511) 1. Provide the name of all non-Federal interests for the feasibility study is to determine the need to update/upgrade the dam in order to assist in our efforts), which allows for flood insurance discounts to local residents. #12;Image 1: Dam location and affected

  13. PROJECT NAME: NEB Range Dam System 1. Provide the name of all non-Federal interests planning to act as the sponsor, including

    E-Print Network [OSTI]

    US Army Corps of Engineers

    PROJECT NAME: NEB Range Dam System 1. Provide the name of all non-Federal interests planning to act for the feasibility study is to determine the need to update/upgrade the dam in order to assist in our efforts), which allows for flood insurance discounts to local residents. #12;Image 1: Dam location and affected

  14. High-resolution multiproxy records of sedimentological changes induced by dams in the Sept-les area (Gulf of St. Lawrence, Canada)

    E-Print Network [OSTI]

    High-resolution multiproxy records of sedimentological changes induced by dams in the Sept. Sedimentological variations have been investigated by wavelet analysis using XRF data and the sharp disappearance sedimentary dam impacts is to disentangle the dam-induced sedimentological variations from the natural

  15. A Smoothed Particle Hydrodynamics Model for Ice Sheet and Ice Shelf Dynamics

    SciTech Connect (OSTI)

    Pan, Wenxiao; Tartakovsky, Alexandre M.; Monaghan, Joseph J.

    2012-02-08

    Mathematical modeling of ice sheets is complicated by the non-linearity of the governing equations and boundary conditions. Standard grid-based methods require complex front tracking techniques and have limited capability to handle large material deformations and abrupt changes in bottom topography. As a consequence, numerical methods are usually restricted to shallow ice sheet and ice shelf approximations. We propose a new smoothed particle hydrodynamics (SPH) model for coupled ice sheet and ice shelf dynamics. SPH is a fully Lagrangian particle method. It is highly scalable and its Lagrangian nature and meshless discretization are well suited to the simulation of free surface flows, large material deformation, and material fragmentation. In this paper SPH is used to study ice sheet/ice shelf behavior, and the dynamics of the grounding line. The steady state position of the grounding line obtained from the SPH simulations is in good agreement with laboratory observations for a wide range of simulated bedrock slopes, and density ratios similar to those of ice and sea water. The numerical accuracy of the SPH algorithm is further verified by simulating the plane shear flow of two immiscible fluids and the propagation of a highly viscous blob of fluid along a horizontal surface. In the experiment, the ice was represented with a viscous newtonian fluid. For consistency, in the described SPH model the ice is also modeled as a viscous newtonian fluid. Typically, ice sheets are modeled as a non-Newtonian fluid, accounting for the changes in the mechanical properties of ice. Implementation of a non-Newtonian rheology in the SPH model is the subject of our ongoing research.

  16. Smoothed particle hydrodynamics Non-Newtonian model for ice-sheet and ice-shelf dynamics

    SciTech Connect (OSTI)

    Pan, Wenxiao; Tartakovsky, Alexandre M.; Monaghan, Joseph J.

    2013-06-01

    Mathematical modeling of ice sheets is complicated by the non-linearity of the governing equations and boundary conditions. Standard grid-based methods require complex front tracking techniques and have limited capability to handle large material deformations and abrupt changes in bottom topography. As a consequence, numerical methods are usually restricted to shallow ice sheet and ice shelf approximations. We propose a new smoothed particle hydrodynamics (SPH) non-Newtonian model for coupled ice sheet and ice shelf dynamics. SPH, a fully Lagrangian particle method, is highly scalable and its Lagrangian nature and meshless discretization are well suited to the simulation of free surface ?ows, large material deformation, and material fragmentation. In this paper, SPH is used to study 3D ice sheet/ice shelf behavior, and the dynamics of the grounding line. The steady state position of the grounding line obtained from SPH simulations is in good agreement with laboratory observations for a wide range of simulated bedrock slopes, and density ratios, similar to those of ice and sea water. The numerical accuracy of the SPH algorithm is veri?ed by simulating Poiseuille ?ow, plane shear ?ow with free surface and the propagation of a blob of ice along a horizontal surface. In the laboratory experiment, the ice was represented with a viscous Newtonian ?uid. In the present work, however, the ice is modeled as both viscous Newtonian ?uid and non-Newtonian ?uid, such that the e?ect of non-Newtonian rheology on the dynamics of grounding line was examined. The non-Newtonian constitutive relation is prescribed to be Glen’s law for the creep of polycrystalline ice. A V-shaped bedrock ramp is further introduced to model the real geometry of bedrock slope.

  17. Fate and transport of PCBs at the New Bedford Harbor Superfund site

    SciTech Connect (OSTI)

    Garton, L.S.; Bonner, J.S.; Ernest, A.N.; Autenrieth, R.L. [Texas A and M Univ., College Station, TX (United States)

    1996-05-01

    A unique, holistic modeling approach, combining theoretical, empirical, and deterministic elements, was developed to define the ambient background transport of polychlorinated biphenyl (PCB) from New Bedford Harbor, to provide a baseline for remediation assessment of this Superfund site. Both empirical and deterministic elements characterized sediment processes. The deterministic section employed experimental data to describe flocculation through fluid shear, differential settling, and Brownian motion mechanisms, yielding a sediment settling velocity. The empirical portion of the model used this settling velocity, along with suspended solids, and flow field data to characterize sediment action. The remaining PCB transport mechanisms (volatilization and sorption) are theoretically considered to give a complete contaminant transport assessment. The PCBs in New Bedford Harbor tend to volatilize at the rate of 5.9 g/d; or sorb, with sorption coefficients increasing with percent chlorination from 10{sup {minus}2.2} to 10{sup {minus}0.4} m{sup 3}/g for Aroclors 1016 and 1260, respectively, rather than stay in solution. The deterministic model showed that fluid shear was the most significant flocculation mass removal mechanism contributing to the settling velocity calculation. From the empirical model, the dominant sediment action mechanisms, resuspension and deposition, were driven by the change in suspended solids concentration and tides. The cycling of PCB-laden sediment, indicated by the PCB sorption tendency and the presence and dominance of resuspension, and subsequent transport from the site, can lead to PCB contamination of the water column, atmosphere, or downstream (marine) areas.

  18. Do blue-ice moraines in the Heritage Range show the West Antarctic ice sheet survived the last interglacial?

    E-Print Network [OSTI]

    Do blue-ice moraines in the Heritage Range show the West Antarctic ice sheet survived the last in revised form 10 January 2011 Accepted 28 January 2011 Available online xxxx Keywords: Blue-ice moraine cosmogenic isotope data on blue-ice moraines in the Heritage Range, West Antarctica. The age of the moraines

  19. Inter-annual sea-ice dynamics and micro-algal biomass in winter pack ice of Marguerite Bay, Antarctica

    E-Print Network [OSTI]

    Stewart, Frank

    in this region (Stammerjohn et al., 2003; Stammerjohn and Smith, 1996). Changes in mesoscale ice dynamics

  20. Processes driving sea ice variability in the Bering Sea in an eddying ocean/sea ice model: Mean seasonal cycle

    E-Print Network [OSTI]

    Eisenman, Ian

    the southern ice edge, especially on the western side. The sea ice force balance analysis shows that sea ice air from northerly winds and ice motion away from the coast. South of St Lawrence Island, winds drive is important both climatically and economically. Understanding the processes that control the temporal

  1. Communication: On the stability of ice 0, ice i, and I{sub h}

    SciTech Connect (OSTI)

    Quigley, D.; Alfè, D.; Slater, B.

    2014-10-28

    Using ab initio methods, we examine the stability of ice 0, a recently proposed tetragonal form of ice implicated in the homogeneous freezing of water [J. Russo, F. Romano, and H. Tanaka, Nat. Mater. 13, 670 (2014)]. Vibrational frequencies are computed across the complete Brillouin Zone using Density Functional Theory (DFT), to confirm mechanical stability and quantify the free energy of ice 0 relative to ice I{sub h}. The robustness of this result is tested via dispersion corrected semi-local and hybrid DFT, and Quantum Monte-Carlo calculation of lattice energies. Results indicate that popular molecular models only slightly overestimate the stability of ice zero. In addition, we study all possible realisations of proton disorder within the ice zero unit cell, and identify the ground state as ferroelectric. Comparisons are made to other low density metastable forms of ice, suggesting that the ice i structure [C. J. Fennel and J. D. Gezelter, J. Chem. Theory Comput. 1, 662 (2005)] may be equally relevant to ice formation.

  2. SAN JOAQUIN RIVER RIPARIAN HABITAT BELOW FRIANT DAM: PRESERVATION AND RESTORATION1

    E-Print Network [OSTI]

    SAN JOAQUIN RIVER RIPARIAN HABITAT BELOW FRIANT DAM: PRESERVATION AND RESTORATION1 2 Donn Furman 1 Executive Director, San Joaquin River Committee, Fresno, California. Abstract: Riparian habitat along California's San Joa- quin River in the 25 miles between Friant Darn and Free- way 99 occurs on approximately

  3. Development of spatial pattern in large woody debris and debris dams in streams

    E-Print Network [OSTI]

    Kraft, Clifford E.

    The spatial distribution of large woody debris (LWD) in streams was evaluated using Neighbor K statistics years after wood deposition, we surveyed individual pieces of LWD in one stream and surveyed debris dam) distributions of wood were identified. Individual pieces of LWD were aggregated at spatial extents ranging from

  4. Variability of magnetic soil properties in Hawaii Remke L. van Dam*a

    E-Print Network [OSTI]

    Borchers, Brian

    Variability of magnetic soil properties in Hawaii Remke L. van Dam*a , J. Bruce J. Harrisona , Jan Hawaiian Islands: O'ahu, Kaho'olawe, and Hawaii. The data show a strong negative correlation between mean oxides, magnetic soils, soil development, Hawaii 1. INTRODUCTION Electromagnetic (EM) and magnetic

  5. Morphological responses and sediment processes following a typhoon-induced dam failure, Dahan

    E-Print Network [OSTI]

    Tullos, Desiree

    Morphological responses and sediment processes following a typhoon-induced dam failure, Dahan River adjustments following an abrupt and voluminous sediment pulse are investigated in the context of site and valley characteristics and time-varying sediment transport regimes. Approximately 10.5 x 106 m3 of stored

  6. Call for Submissions -CanaDAM 2007 Canadian Discrete and Algorithmic Mathematics Conference 2007

    E-Print Network [OSTI]

    Mohar, Bojan

    Call for Submissions - CanaDAM 2007 Canadian Discrete and Algorithmic Mathematics Conference 2007 Banff Conference Center, Banff, Alberta, May 28-31, 2007 http://www.cs.ualberta.ca/mreza/CANADAM/ This is a new conference series on Discrete and Algorithmic Mathematics to be held in Canada every two years (in

  7. Soil effects on thermal signatures of buried nonmetallic landmines Remke L. van Dam*a

    E-Print Network [OSTI]

    Borchers, Brian

    Soil effects on thermal signatures of buried nonmetallic landmines Remke L. van Dam*a , Brian for temperature propagation through homogeneous and layered soils is presented to predict surface temperatures as a function of soil heat flux amplitude, soil texture, soil water content, and thermal properties and burial

  8. Case Study: Modeling the Lateral Mobility of the Rio Grande below Cochiti Dam, New Mexico

    E-Print Network [OSTI]

    Julien, Pierre Y.

    Case Study: Modeling the Lateral Mobility of the Rio Grande below Cochiti Dam, New Mexico Gigi A, lateral migration, and total lateral movement. By 2001, the width of the Cochiti Reach was close width, 78­90% of variance in migration rates, and 92% of the variance in total lateral movement between

  9. EA-1994: Malheur Resource Area Jonesboro Diversion Dam Replacement Project, Malheur County, Oregon

    Broader source: Energy.gov [DOE]

    The Bureau of Land Management, with the Bonneville Power Administration (BPA) as a cooperating agency, prepared an EA that assesses the potential environmental impacts of the proposed authorization of a right of way to the Burns Paiute Tribe for replacement of an existing diversion dam and installation of a fish passage structure. BPA’s proposed action was to fund the project

  10. PORTFOLIO RISK ASSESSMENT OF SA WATER'S LARGE DAMS by David S. Bowles1

    E-Print Network [OSTI]

    Bowles, David S.

    PORTFOLIO RISK ASSESSMENT OF SA WATER'S LARGE DAMS by David S. Bowles1 , Andrew M. Parsons2 , Loren R. Anderson3 and Terry F. Glover4 ABSTRACT This paper summarises the Portfolio Risk Assessment (PRA a reconnaissance-level engineering assessment and risk assessment. These assessments were performed for floods

  11. Technical background information for the environmental and safety report, Volume 4: White Oak Lake and Dam

    SciTech Connect (OSTI)

    Oakes, T.W.; Kelly, B.A.; Ohnesorge, W.F.; Eldridge, J.S.; Bird, J.C.; Shank, K.E.; Tsakeres, F.S.

    1982-03-01

    This report has been prepared to provide background information on White Oak Lake for the Oak Ridge National Laboratory Environmental and Safety Report. The paper presents the history of White Oak Dam and Lake and describes the hydrological conditions of the White Oak Creek watershed. Past and present sediment and water data are included; pathway analyses are described in detail.

  12. Updating of Safety Criteria for Basic Diagnostic Indicators of Dam at the Sayano-Shushenskaya HPP

    SciTech Connect (OSTI)

    Gordon, L. A.; Skvortsova, A. E.

    2013-09-15

    Values of diagnostic indicators [K]-limitations placed on radial displacements and turn angles of horizontal sections of the dam - which are permitted for each upper-pool level within the range from 520 to 539 m are determined and proposed for inclusion in the Declaration of Safety. Empirical relationships used to develop safety criteria K1 and K2 are modified.

  13. Assessment of Natural Stream Sites for Hydroelectric Dams in the Pacific Northwest Region

    SciTech Connect (OSTI)

    Douglas G. Hall; Kristin L. Verdin; Randy D. Lee

    2012-03-01

    This pilot study presents a methodology for modeling project characteristics using a development model of a stream obstructing dam. The model is applied to all individual stream reaches in hydrologic region 17, which encompasses nearly all of Idaho, Oregon, and Washington. Project site characteristics produced by the modeling technique include: capacity potential, principal dam dimensions, number of required auxiliary dams, total extent of the constructed impoundment boundary, and the surface area of the resulting reservoir. Aggregated capacity potential values for the region are presented in capacity categories including total, that at existing dams, within federal and environmentally sensitive exclusion zones, and the balance which is consider available for greenfield development within the limits of the study. Distributions of site characteristics for small hydropower sites are presented and discussed. These sites are screened to identify candidate small hydropower sites and distributions of the site characteristics of this site population are presented and discussed. Recommendations are made for upgrading the methodology and extensions to make the results more accessible and available on a larger scale.

  14. FACTORS FOR DECLINE 3.4.5 EFFECTS OF HYDROELECTRIC DAMS ON VIABILITY OF WILD FISH

    E-Print Network [OSTI]

    and operation of the Columbia River Hydrosystem poses risks to wild populations of anadromous salmonids. Run-of river dams present passage obstacles to both adult and juvenile migrants, and the water management River populations, but in some cases refers to data from the Snake River or lower Columbia to illustrate

  15. SPH Study of the Evolution of Water-Water Interfaces in Dam Break Flows

    E-Print Network [OSTI]

    Jian, Wei; Liang, Dongfang; Shao, Songdong; Chen, Ridong; Liu, Xingnian

    2015-04-08

    but also tides and tsunamis. 465 466 467 20 5.1 Model setup and computational parameters 468 469 The numerical setup of this hypothetical dam-break problem consists of a 2000 m long 470 horizontal water tank. Water is initially...

  16. Compliance Monitoring of Yearling and Subyearling Chinook Salmon and Juvenile Steelhead Survival and Passage at John Day Dam, 2012

    SciTech Connect (OSTI)

    Skalski, J. R.; Townsend, Richard L.; Seaburg, Adam; Weiland, Mark A.; Woodley, Christa M.; Hughes, James S.; Ploskey, Gene R.; Deng, Zhiqun; Carlson, Thomas J.

    2013-05-01

    The purpose of this compliance study was to estimate dam passage survival of yearling and subyearling Chinook salmon and steelhead smolts at John Day Dam during the spring and summer outmigrations in 2012. Under the 2008 Federal Columbia River Power System (FCRPS) Biological Opinion (BiOp), dam passage survival should be greater than or equal to 0.96 for spring migrants and greater than or equal to 0.93 for summer migrants, estimated with a standard error (SE) less than or equal to 0.015. The study also estimated smolt passage survival from the forebay 2 km upstream of the dam to the tailrace 3 km downstream of the dam, as well as the forebay residence time, tailrace egress time, spill passage efficiency (SPE), and fish passage efficiency (FPE), as required in the Columbia Basin Fish Accords (Fish Accords). A virtual/paired-release design was used to estimate dam passage survival at John Day Dam. The approach included releases of smolts, tagged with acoustic micro-transmitters, above John Day Dam that contributed to the formation of a virtual release at the face of John Day Dam. A survival estimate from this release was adjusted by a paired release below John Day Dam. A total of 3376 yearling Chinook salmon, 5726 subyearling Chinook salmon, and 3239 steelhead smolts were used in the virtual releases. Sample sizes for the below-dam paired releases (R2 and R3, respectively) were 997 and 995 for yearling Chinook salmon smolts, 986 and 983 for subyearling Chinook salmon smolts, and 1000 and 1000 for steelhead smolts. The Juvenile Salmon Acoustic Telemetry System (JSATS) tags were manufactured by Advanced Telemetry Systems. Model SS300 tags, weighing 0.304 g in air, were surgically implanted in yearling and subyearling Chinook salmon, and Model SS130 tag, weighing 0.438 g in air, were surgically implanted in juvenile steelhead for this investigation. The intent of the spring study was to estimate dam passage survival during both 30% and 40% spill conditions. The two spill conditions were to be systematically performed in alternating 2-day test intervals over the course of the spring outmigration. High flow conditions in 2012 interrupted the spill study. Dam passage survival was therefore estimated season-wide regardless of spill conditions.

  17. Weakening of ice by magnesium perchlorate hydrate

    E-Print Network [OSTI]

    Lenferink, Hendrik J., 1985-

    2012-01-01

    I show that perchlorate hydrates, which have been indirectly detected at high Martian circumpolar latitudes by the Phoenix Mars Lander, have a dramatic effect upon the rheological behavior of polycrystalline water ice under ...

  18. Largest Ice-Bank Promotes Load Management 

    E-Print Network [OSTI]

    Brarmann, G. L.

    1983-01-01

    conservation measures were incorporated in the design of the new research facility, the ice-bank system has been the most cost-effective of the load management projects at Union Oil....

  19. Widespread Excess Ice in Arcadia Planitia, Mars

    E-Print Network [OSTI]

    Bramson, Ali M; Putzig, Nathaniel E; Sutton, Sarah; Plaut, Jeffrey J; Brothers, T Charles; Holt, John W

    2015-01-01

    The distribution of subsurface water ice on Mars is a key constraint on past climate, while the volumetric concentration of buried ice (pore-filling versus excess) provides information about the process that led to its deposition. We investigate the subsurface of Arcadia Planitia by measuring the depth of terraces in simple impact craters and mapping a widespread subsurface reflection in radar sounding data. Assuming that the contrast in material strengths responsible for the terracing is the same dielectric interface that causes the radar reflection, we can combine these data to estimate the dielectric constant of the overlying material. We compare these results to a three-component dielectric mixing model to constrain composition. Our results indicate a widespread, decameters-thick layer that is excess water ice ~10^4 km^3 in volume. The accumulation and long-term preservation of this ice is a challenge for current Martian climate models.

  20. Spreading of oil spilled under ice

    SciTech Connect (OSTI)

    Yapa, P.D.; Chowdhury, T. )

    1990-12-01

    A new set of equations is presented to describe the process of oil spreading under ice in clam waters. These equations consider the gravity (buoyancy)-inertia phase, the gravity (buoyancy)-viscous phase, and the termination of spreading during the buoyancy-surface-tension phase. The derivation considers both the constant discharge mode and the constant volume mode. Therefore, a complete description of the spreading phenomena from the time of initial spill to the termination of spreading is presented. Laboratory experiments were conducted using both real ice covers in a cold room and artificial ice covers. The experiments included different ice-cover roughnesses from smooth to rough, oils of different viscosities, and a variety of discharge conditions. The experimental data show close agreement with the theory. These equations can be used during cleanup or environmental impact assessment to estimate the area of an oil slick with respect to time.

  1. Glaciers and Ice Sheets Mapping Orbiter concept

    E-Print Network [OSTI]

    Jezek, Kenneth; Rodriguez, Ernesto; Gogineni, Sivaprasad; Freeman, Anthony; Curlander, John; Paden, John D.; Allen, Christopher Thomas

    2006-05-13

    We describe a concept for a spaceborne radar system designed to measure the surface and basal topography of terrestrial ice sheets and to determine the physical properties of the glacier bed. Our primary objective is to ...

  2. Recent vs from IceCube

    E-Print Network [OSTI]

    Klein, Spencer R.; IceCube Collaboration

    2008-01-01

    in the Sun and the Earth, look for low-energy (10 MeV)Sun. IceTop has made a preliminary measurement of the cosmic-ray energy

  3. Development of a Mobile Ice Nucleus Counter

    SciTech Connect (OSTI)

    Kok, Gregory; Kulkarni, Gourihar

    2014-07-10

    An ice nucleus counter has been constructed. The instrument uses built-in refrigeration systems for wall cooling. A cascade refrigeration system will allow the cold wall to operate as low as -70 deg C, and a single stage system can operate the warm wall at -45 deg C. A unique optical particle counter has been constructed using polarization detection of the scattered light. This allows differentiation of the particles exiting the chamber to determine if they are ice or liquid.

  4. On the correlation between ice water content and ice crystal size and its application to radiative transfer and general circulation models

    E-Print Network [OSTI]

    Liou, K. N.

    On the correlation between ice water content and ice crystal size and its application to radiative analysis involving ice water content (IWC) and mean effective ice crystal size (De) intended, K. N., Y. Gu, Q. Yue, and G. McFarguhar (2008), On the correlation between ice water content and ice

  5. IceCube: Performance, Status, and Future

    E-Print Network [OSTI]

    Carsten Rott; for the IceCube Collaboration

    2006-11-28

    High-energy neutrinos are uniquely suited to study a large variety of physics as they traverse the universe almost untouched, in contrast to conventional astronomical messengers like photons or cosmic rays which are limited by interactions with radiation and matter at high energies or deflected by ambient magnetic fields. Located at the South Pole, IceCube combined with its predecessor AMANDA comprise the world's largest neutrino telescope. IceCube currently consists of nine strings, each containing 60 digital optical modules, deployed at depths of 1.5 to 2.5km in the ice and an array of 16 surface air-shower stations. IceCube is expected to be completed in early 2011 at which time it will instrument a volume of one km^3 below the IceTop air-shower array covering an area of one km^2. The current IceCube detector performance is described and an outlook given into the large variety of physics that it can address, with an emphasis on the search for ultra-high-energy neutrinos which may shed light on the origins of the highest energy cosmic rays.

  6. IceCube: Performance, Status, and Future

    E-Print Network [OSTI]

    Rott, C

    2006-01-01

    High-energy neutrinos are uniquely suited to study a large variety of physics as they traverse the universe almost untouched, in contrast to conventional astronomical messengers like photons or cosmic rays which are limited by interactions with radiation and matter at high energies or deflected by ambient magnetic fields. Located at the South Pole, IceCube combined with its predecessor AMANDA comprise the world's largest neutrino telescope. IceCube currently consists of nine strings, each containing 60 digital optical modules, deployed at depths of 1.5 to 2.5km in the ice and an array of 16 surface air-shower stations. IceCube is expected to be completed in early 2011 at which time it will instrument a volume of one km^3 below the IceTop air-shower array covering an area of one km^2. The current IceCube detector performance is described and an outlook given into the large variety of physics that it can address, with an emphasis on the search for ultra-high-energy neutrinos which may shed light on the origins ...

  7. Ice chemistry in starless molecular cores

    E-Print Network [OSTI]

    Kalvans, Juris

    2015-01-01

    Starless molecular cores are natural laboratories for interstellar molecular chemistry research. The chemistry of ices in such objects was investigated with a three-phase (gas, surface, and mantle) model. We considered the center part of five starless cores, with their physical conditions derived from observations. The ice chemistry of oxygen, nitrogen, sulfur, and complex organic molecules (COMs) was analyzed. We found that an ice-depth dimension, measured, e.g., in monolayers, is essential for modeling of chemistry in interstellar ices. Particularly, the H2O:CO:CO2:N2:NH3 ice abundance ratio regulates the production and destruction of minor species. It is suggested that photodesorption during core collapse period is responsible for high abundance of interstellar H2O2 and O2H, and other species synthesized on the surface. The calculated abundances of COMs in ice were compared to observed gas-phase values. Smaller activation barriers for CO and H2CO hydrogenation may help explain the production of a number of...

  8. A giant dune-dammed lake on the North Platte River, Nebraska

    SciTech Connect (OSTI)

    Swinehart, J.B. (Univ. of Nebraska, Lincoln, NE (United States). Conservation and Survey Div.); Loope, D.B. (Univ. of Nebraska, Lincoln, NE (United States). Dept. of Geology)

    1992-01-01

    The recent work in the Nebraska Sand Hills, just north of the North Platte Valley, has revealed the presence of numerous dune dams--sites where eolian sand has filled Pleistocene paleovalleys and caused the formation of lake basins containing abundant small, interdunal lakes. Although the Platte River is considered the southern margin of the Sand Hills, there is a 1,200 sq km triangular area of large dunes in Lincoln County just south of the South Platte. The authors hypothesize that large dunes migrated southward to fill the North Platte Valley during glacial maximum when both the North and South Platte were dry. As Rocky Mountain snowmelt and Great Plains precipitation increased during deglaciation, a single 65 km-long, 15 km-wide, 50 m-deep lake formed behind the massive dune dam. The tentative chronology suggests that the lake was in existence for at least several thousand years. They have not yet found compelling evidence of catastrophic flooding downstream of the former lake. Evidence of two large Quaternary lakes on the White Nile between Khartoum and Malakal (Sudan) was discovered in the 1960's. Shoreline deposits indicate the lakes were 400--600 km long and up to 50 km wide. Although the lakes have been attributed to repeated blockage of the White Nile by clay-rich Blue Nile deposits, the distribution and age of dune sand near the confluence of these rivers suggest that, as in the Nebraska example, the course of the White Nile was blocked by dunes when the region was desiccated in the Late Pleistocene. Lakes behind permeable dams rise to a level where input equals output. Earthen dams are vulnerable to overtopping and piping. The relatively high permeability of dune sand prevents or delays overtopping, and piping is prevented by the extremely high low hydraulic gradients that typify extant sand dams.

  9. Dune-dammed lakes of the Nebraska Sand Hills: Geologic setting and paleoclimatic implications

    SciTech Connect (OSTI)

    Loope, D.B.; Swinehart, J.B. (Univ. of Nebraska, Lincoln, NE (United States))

    1992-01-01

    Within the western half of this grass-stabilized dunefield, about 1,000 interdune lakes are grouped into two clusters here named the Blue and Birdwood lake basins. In the lake basins, those parts of the valley not filled by dune sand are occupied by modern lakes and Holocene lake sediments. The Blue Creek dam is mounded transverse to flow; spill-over of the lake basin takes place over bedrock on the east side of the dam when lake level is 2 m higher than present. The permeability of dune sand prevents massive overflow, and thereby contributes to the integrity and longevity of the dam. Preserved lake sediments in the basin indicate that Blue Creek was obstructed prior to 13,000 yr BP, probably during glacial maximum (18,000 yr BP). Extensive peats dated at 1,500-1,000 yr BP lie directly on fluvial sand and gravel along the Calamus River, a stream that presently discharges a nearly constant 350 cfs. These sediments indicate blockage of streams also took place when linear dunes were active in the eastern Sand Hills in Late Holocene time. With the onset of an arid episode, dunes forming an interfluves curtail the severity of runoff events. As the regional water table drops, drainages go dry and dunes move uncontested into blocking positions. Although drainages of the eastern Sand Hills appear to have repeatedly broken through sand-blocked channels, the Blue and Birdwood lake basins are still blocked by Late Pleistocene dune dams. The repeated episodes of stream blockage and interbedded lake sediments and dune sands behind the extant dams record several strong fluctuations in Holocene climate. Recently proposed climatic models indicate that the northward flow of warm, moist air from the Gulf of Mexico is enhanced when the Gulf's surface temperature is low and the Bermuda high is intensified and in a western position. When the Bermuda high moves eastward, the core of the North American continent becomes desiccated.

  10. Technology demonstration of Ka-band digitally-beamformed radar for ice topography mapping

    E-Print Network [OSTI]

    Sadowy, G; Heavey, B; Moller, D; Rignot, E; Zawadzki, M; Rengarajan, S

    2007-01-01

    Beamformed Radar for Ice Topography Mapping Gregory Sadowy,Glacier and Land Ice Surface Topography Interferometer) is aGLISTIN will collect ice topography measurements over a wide

  11. Assimilation of Ice Concentration in an IceOcean Model R. W. LINDSAY AND J. ZHANG

    E-Print Network [OSTI]

    Zhang, Jinlun

    of the actual fields. The simulated ice thickness can then be used to determine the major modes of variability of the ice thickness and the physical processes that are important in their formation. The simulations from concentration measured by satellites is subject to errors (Kwok 2002), particularly during the summer when

  12. ICED'09/148 INTERNATIONAL CONFERENCE ON ENGINEERING DESIGN, ICED'09

    E-Print Network [OSTI]

    Papalambros, Panos

    , marketing, and psychology. Quantitative models from these disciplines can be integrated into a design for teaching product design and for designing products taking into account market and policy environments alongICED'09/148 INTERNATIONAL CONFERENCE ON ENGINEERING DESIGN, ICED'09 24 - 27 AUGUST 2009, STANFORD

  13. Survey of Potential Hanford Site Contaminants in the Upper Sediment for the Reservoirs at McNary, John Day, The Dalles, and Bonneville Dams, 2003

    SciTech Connect (OSTI)

    Patton, Gregory W.; Priddy, M; Yokel, Jerel W.; Delistraty, Damon A.; Stoops, Thomas M.

    2005-02-01

    This report presents the results from a multi-agency cooperative environmental surveillance study. of the study looked at sediment from the pools upstream from dams on the Columbia River that are downstream from Hanford Site operations. The radiological and chemical conditions existing in the upper-level sediment found in the pools upstream from McNary Dam, John Day Dam, The Dalles Lock and Dam, and Bonneville Dam were evaluated. This study also evaluated beach sediment where available. Water samples were collected at McNary Dam to further evaluate potential Hanford contaminants in the lower Columbia River. Samples were analyzed for radionuclides, chemicals, and physical parameters. Results from this study were compared to background values from sediment and water samples collect from the pool upstream of Priest Rapids Dam (upstream of the Hanford Site) by the Hanford Site Surface Environmental Surveillance Project.

  14. Lessons from a Dam Failure1 JAMI;S E. EVANS, SCUDDKR D. MACKKY, JOHAN F. GOTTC.KNS, AND WILFRID M. GILL, Department of Geology, Bowling Green State

    E-Print Network [OSTI]

    Gottgens, Hans

    Lessons from a Dam Failure1 JAMI;S E. EVANS, SCUDDKR D. MACKKY, JOHAN F. GOTTC.KNS, AND WILFRID M, OH 43606, and Enecotech Southwest, Inc., Phoenix, AZ 85004. ABSTRACT. The IVEX Dam (Chagrin River of the dam. The failure was the result of seepage piping at the toe of the dam, near the masonry spillway

  15. Current Biology 16, 14891501, August 8, 2006 2006 Elsevier Ltd All rights reserved DOI 10.1016/j.cub.2006.06.063 Mps1 Phosphorylation of Dam1

    E-Print Network [OSTI]

    .cub.2006.06.063 Article Mps1 Phosphorylation of Dam1 Couples Kinetochores to Microtubule Plus Ends ends. Results: Dam1 is a kinetochore component that directly binds to microtubules. We identified DAM1-765, a dom- inant allele of DAM1, in a genetic screen for mutations that increase stress on the spindle pole

  16. Heat transfer in ice hockey halls: measurements, energy analysis and analytical ice pad temperature profile

    E-Print Network [OSTI]

    Ferrantelli, Andrea

    2015-01-01

    We consider heat transfer processes in an ice hockey hall, during operating conditions, with a bottom-up approach based upon on-site measurements. Detailed temperature data of both the ice pad and the air above the ice rink are used for a heat balance calculation in the steady-state regime, which quantifies the impact of each single heat source. We solve the heat equation in the ice slab in transient regime, and obtain a general analytical formula for the temperature profile. This solution is then applied to the resurfacing process by using our measurements as (time-dependent) boundary conditions (b.c.), and compared to an analogous numerical computation with good agreement. Our analytical formula is given with implicit initial condition and b.c., therefore it can be used not only in ice halls, but in a large variety of engineering applications.

  17. Heat transfer in ice hockey halls: measurements, energy analysis and analytical ice pad temperature profile

    E-Print Network [OSTI]

    Andrea Ferrantelli; Klaus Viljanen

    2015-06-30

    We consider heat transfer processes in an ice hockey hall, during operating conditions, with a bottom-up approach based upon on-site measurements. Detailed temperature data of both the ice pad and the air above the ice rink are used for a heat balance calculation in the steady-state regime, which quantifies the impact of each single heat source. We solve the heat equation in the ice slab in transient regime, and obtain a general analytical formula for the temperature profile. This solution is then applied to the resurfacing process by using our measurements as (time-dependent) boundary conditions (b.c.), and compared to an analogous numerical computation with good agreement. Our analytical formula is given with implicit initial condition and b.c., therefore it can be used not only in ice halls, but in a large variety of engineering applications.

  18. Automatic coke oven heating control system at Burns Harbor for normal and repair operation

    SciTech Connect (OSTI)

    Battle, E.T.; Chen, K.L. [Bethlehem Steel Corp., Burns Harbor, IN (United States); [Bethlehem Steel Corp., PA (United States)

    1997-12-31

    An automatic heating control system for coke oven batteries was developed in 1985 for the Burns Harbor No. 1 battery and reported in the 1989 Ironmaking Conference Proceedings. The original system was designed to maintain a target coke temperature at a given production level under normal operating conditions. Since 1989, enhancements have been made to this control system so that it can also control the battery heating when the battery is under repair. The new control system has improved heating control capability because it adjusts the heat input to the battery in response to anticipated changes in the production schedule. During a recent repair of this 82 oven battery, the pushing schedule changed from 102 ovens/day to 88 ovens/day, then back to 102 ovens/day, then to 107 ovens/day. During this repair, the control system was able to maintain the coke temperature average standard deviation at 44 F, with a maximum 75 F.

  19. The Role of Snow and Ice in the Climate System

    SciTech Connect (OSTI)

    Barry, Roger G.

    2007-12-19

    Global snow and ice cover (the 'cryosphere') plays a major role in global climate and hydrology through a range of complex interactions and feedbacks, the best known of which is the ice - albedo feedback. Snow and ice cover undergo marked seasonal and long term changes in extent and thickness. The perennial elements - the major ice sheets and permafrost - play a role in present-day regional and local climate and hydrology, but the large seasonal variations in snow cover and sea ice are of importance on continental to hemispheric scales. The characteristics of these variations, especially in the Northern Hemisphere, and evidence for recent trends in snow and ice extent are discussed.

  20. The Role of Snow and Ice in the Climate System

    ScienceCinema (OSTI)

    Barry, Roger G.

    2009-09-01

    Global snow and ice cover (the 'cryosphere') plays a major role in global climate and hydrology through a range of complex interactions and feedbacks, the best known of which is the ice - albedo feedback. Snow and ice cover undergo marked seasonal and long term changes in extent and thickness. The perennial elements - the major ice sheets and permafrost - play a role in present-day regional and local climate and hydrology, but the large seasonal variations in snow cover and sea ice are of importance on continental to hemispheric scales. The characteristics of these variations, especially in the Northern Hemisphere, and evidence for recent trends in snow and ice extent are discussed.

  1. Week 4, Rain in my Brain On top of the Harbor Cone, Otago Peninsula, Pacific Ocean in the distance.

    E-Print Network [OSTI]

    Bardsley, John

    Week 4, Rain in my Brain On top of the Harbor Cone, Otago Peninsula, Pacific Ocean in the distance of the ocean or of this beautiful city from on-high and it all comes back that we're here, a dream come true

  2. Sedimentation and chronology of heavy metal pollution in Oslo harbor, Norway Aivo Lepland a,*, Thorbjrn J. Andersen b

    E-Print Network [OSTI]

    Alve, Elisabeth

    Sedimentation and chronology of heavy metal pollution in Oslo harbor, Norway Aivo Lepland a,d , Anders Rindby e a Geological Survey of Norway, Leiv Eirikssons vei 39, 7491 Trondheim, Norway b Norwegian Geotechnical Institute, P.O. Box 3930 Ullevål Stadion, 0806 Oslo, Norway d Department

  3. Cowpea and peanut in southern Africa are nodulated by diverse Bradyrhizobium strains harboring nodulation genes that belong

    E-Print Network [OSTI]

    Cowpea and peanut in southern Africa are nodulated by diverse Bradyrhizobium strains harboring unguiculata) and peanut (Arachis hypogaea) in southern Africa are nodulated by a genet- ically diverse group showed that the cowpea and peanut Bradyrhizobium iso- lates represent various locally adapted groups

  4. WATER ICE IN THE KUIPER BELT

    SciTech Connect (OSTI)

    Brown, M. E.; Fraser, W. C. [Division of Geological and Planetary Sciences, California Institute of Technology, Pasadena, CA 91125 (United States); Schaller, E. L., E-mail: mbrown@caltech.edu [NASA Dryden Aircraft Operations Facility, Palmdale, CA 93550 (United States)

    2012-06-15

    We examine a large collection of low-resolution near-infrared spectra of Kuiper Belt objects (KBOs) and centaurs in an attempt to understand the presence of water ice in the Kuiper Belt. We find that water ice on the surface of these objects occurs in three separate manners: (1) Haumea family members uniquely show surfaces of nearly pure water ice, presumably a consequence of the fragmentation of the icy mantle of a larger differentiated proto-Haumea; (2) large objects with absolute magnitudes of H < 3 (and a limited number to H = 4.5) have surface coverings of water ice-perhaps mixed with ammonia-that appears to be related to possibly ancient cryovolcanism on these large objects; and (3) smaller KBOs and centaurs which are neither Haumea family members nor cold-classical KBOs appear to divide into two families (which we refer to as 'neutral' and 'red'), each of which is a mixture of a common nearly neutral component and either a slightly red or very red component that also includes water ice. A model suggesting that the difference between neutral and red objects due to formation in an early compact solar system either inside or outside, respectively, of the {approx}20 AU methanol evaporation line is supported by the observation that methanol is only detected on the reddest objects, which are those which would be expected to have the most of the methanol containing mixture.

  5. Fast Numerical Method for Growth and Retreat of Subsurface Ice on Mars Norbert Schorghofer

    E-Print Network [OSTI]

    Schörghofer, Norbert

    ice, retreat of pore ice, retreat of an ice sheet, and retreat of pore ice due to geothermal heating is the vertical spatial resolution and D the diffusion coefficient. The vertical grid spacing needs to be finer

  6. Quantification of total mercury in liver and heart tissue of Harbor Seals (Phoca vitulina) from Alaska USA

    SciTech Connect (OSTI)

    Marino, Kady B. [Department of Chemistry, Roger Williams University, Bristol, RI 02809 (United States)] [Department of Chemistry, Roger Williams University, Bristol, RI 02809 (United States); Hoover-Miller, Anne; Conlon, Suzanne; Prewitt, Jill [Alaska SeaLife Center, City of Seward, AK (United States)] [Alaska SeaLife Center, City of Seward, AK (United States); O'Shea, Stephen K., E-mail: soshea@rwu.edu [Department of Chemistry, Roger Williams University, Bristol, RI 02809 (United States)

    2011-11-15

    This study quantified the Hg levels in the liver (n=98) and heart (n=43) tissues of Harbor Seals (Phoca vitulina) (n=102) harvested from Prince William Sound and Kodiak Island Alaska. Mercury tissue dry weight (dw) concentrations in the liver ranged from 1.7 to 393 ppm dw, and in the heart from 0.19 to 4.99 ppm dw. Results of this study indicate liver and heart tissues' Hg ppm dw concentrations significantly increase with age. Male Harbor Seals bioaccumulated Hg in both their liver and heart tissues at a significantly faster rate than females. The liver Hg bioaccumulation rates between the harvest locations Kodiak Island and Prince William Sound were not found to be significantly different. On adsorption Hg is transported throughout the Harbor Seal's body with the partition coefficient higher for the liver than the heart. No significant differences in the bio-distribution (liver:heart Hg ppm dw ratios (n=38)) values were found with respect to either age, sex or geographic harvest location. In this study the age at which Hg liver and heart bioaccumulation levels become significantly distinct in male and female Harbor Seals were identified through a Tukey's analysis. Of notably concern to human health was a male Harbor Seal's liver tissue harvested from Kodiak Island region. Mercury accumulation in this sample tissue was determined through a Q-test to be an outlier, having far higher Hg concentrarion (liver 392 Hg ppm dw) than the general population sampled. - Highlights: Black-Right-Pointing-Pointer Mercury accumulation in the liver and heart of seals exceed food safety guidelines. Black-Right-Pointing-Pointer Accumulation rate is greater in males than females with age. Black-Right-Pointing-Pointer Liver mercury accumulation is greater than in the heart tissues. Black-Right-Pointing-Pointer Mercury determination by USA EPA Method 7473 using thermal decomposition.

  7. Monitoring of Juvenile Yearling Chinook Salmon and Steelhead Survival and Passage at John Day Dam, Spring 2010

    SciTech Connect (OSTI)

    Weiland, Mark A.; Ploskey, Gene R.; Hughes, James S.; Woodley, Christa M.; Deng, Zhiqun; Carlson, Thomas J.; Skalski, J. R.; Townsend, Richard L.

    2012-11-15

    The purpose of this study was to compare dam passage survival, at two spill treatment levels, of yearling Chinook salmon and steelhead smolts at John Day Dam during spring 2010. The two treatments were 30% and 40% spill out of total project discharge. Under the 2008 Federal Columbia River Power System (FCRPS) Biological Opinion (BiOp), dam passage survival should be greater than or equal to 0.96 and estimated with a standard error (SE) less than or equal 0.015. The study also estimated forebay residence time, tailrace egress time, and spill passage efficiency (SPE), as required in the Columbia Basin Fish Accords. However, by agreement among the stakeholders, this study was not an official BiOp compliance test because the long-term passage measures at John Day Dam have yet to be finalized and another year of spill-treatment testing was desired.

  8. Static and dynamic characteristics for a two-axial-groove bearing and a pressure-dam bearing 

    E-Print Network [OSTI]

    Al Jughaiman, Bader K.

    2009-06-02

    This thesis compares experimental static and dynamic force characteristics for a two-axial-groove bearing and a pressure-dam bearing without a relief track. The thesis also compares experimental results to predictions from a numerical analysis...

  9. Survival and Passage of Juvenile Chinook Salmon and Steelhead Passing through Bonneville Dam, 2011

    SciTech Connect (OSTI)

    Ploskey, Gene R.; Batten, G.; Cushing, Aaron W.; Kim, Jin A.; Johnson, Gary E.; Skalski, J. R.; Townsend, Richard L.; Seaburg, Adam; Weiland, Mark A.; Woodley, Christa M.; Hughes, James S.; Carlson, Thomas J.; Carpenter, Scott M.; Deng, Zhiqun; Etherington, D. J.; Fischer, Eric S.; Fu, Tao; Greiner, Michael J.; Hennen, Matthew J.; Martinez, Jayson J.; Mitchell, T. D.; Rayamajhi, Bishes; Zimmerman, Shon A.

    2013-02-15

    Pacific Northwest National Laboratory (PNNL) and subcontractors conducted an acoustic-telemetry study of juvenile salmonid fish passage and survival at Bonneville Dam in 2011. The study was conducted to assess the readiness of the monitoring system for official compliance studies under the 2008 Biological Opinion and Fish Accords and to assess performance measures including route-specific fish passage proportions, travel times, and survival based upon a virtual/paired-release model. The study relied on releases of live Juvenile Salmon Acoustic Telemetry System tagged smolts in the Columbia River and used acoustic telemetry to evaluate the approach, passage, and survival of passing juvenile salmon using a virtual release, paired reference release survival model. This study supports the U.S. Army Corps of Engineers’ continual effort to improve conditions for juvenile anadromous fish passing through Columbia River dams.

  10. Optimal control of a large dam, taking into account the water costs [New Edition

    E-Print Network [OSTI]

    Abramov, Vyacheslav M

    2009-01-01

    This paper studies large dam models where the difference between lower and upper levels $L$ is assumed to be large. Passage across the levels leads to damage, and the damage costs of crossing the lower or upper level are proportional to the large parameter $L$. Input stream of water is described by compound Poisson process, and the water cost depends upon current level of water in the dam. The aim of the paper is to choose the parameters of output stream (specifically defined in the paper) minimizing the long-run expenses. The particular problem, where input stream is Poisson and water costs are not taken into account has been studied in [Abramov, \\emph{J. Appl. Prob.}, 44 (2007), 249-258]. The present paper partially answers the question \\textit{How does the structure of water costs affect the optimal solution?} In particular the case of linear costs is studied.

  11. Survival and Passage of Juvenile Chinook Salmon and Steelhead Passing through Bonneville Dam, 2010

    SciTech Connect (OSTI)

    Ploskey, Gene R.; Weiland, Mark A.; Hughes, James S.; Woodley, Christa M.; Deng, Zhiqun; Carlson, Thomas J.; Kim, Jin A.; Royer, Ida M.; Batten, George W.; Cushing, Aaron W.; Carpenter, Scott M.; Etherington, D. J.; Faber, Derrek M.; Fischer, Eric S.; Fu, Tao; Hennen, Matthew J.; Mitchell, Tyler; Monter, Tyrell J.; Skalski, John R.; Townsend, Richard L.; Zimmerman, Shon A.

    2011-12-01

    Pacific Northwest National Laboratory (PNNL) and subcontractors conducted an acoustic-telemetry study of juvenile salmonid fish passage and survival at Bonneville Dam in 2010. The study was conducted to assess the readiness of the monitoring system for official compliance studies under the 2008 Biological Opinion and Fish Accords and to assess performance measures including route-specific fish passage proportions, travel times, and survival based upon a single-release model. This also was the last year of evaluation of effects of a behavioral guidance device installed in the Powerhouse 2 forebay. The study relied on releases of live Juvenile Salmon Acoustic Telemetry System tagged smolts in the Columbia River and used acoustic telemetry to evaluate the approach, passage, and survival of passing juvenile salmon. This study supports the U.S. Army Corps of Engineers continual effort to improve conditions for juvenile anadromous fish passing through Columbia River dams.

  12. Survival and Passage of Juvenile Chinook Salmon and Steelhead Passing Through Bonneville Dam, 2010

    SciTech Connect (OSTI)

    Ploskey, Gene R.; Weiland, Mark A.; Hughes, James S.; Woodley, Christa M.; Deng, Zhiqun; Carlson, Thomas J.; Kim, Jin A.; Royer, Ida M.; Batten, George W.; Cushing, Aaron W.; Carpenter, Scott M.; Etherington, D. J.; Faber, Derrek M.; Fischer, Eric S.; Fu, Tao; Hennen, Matthew J.; Mitchell, T. D.; Monter, Tyrell J.; Skalski, J. R.; Townsend, Richard L.; Zimmerman, Shon A.

    2012-09-01

    Pacific Northwest National Laboratory (PNNL) and subcontractors conducted an acoustic-telemetry study of juvenile salmonid fish passage and survival at Bonneville Dam in 2010. The study was conducted to assess the readiness of the monitoring system for official compliance studies under the 2008 Biological Opinion and Fish Accords and to assess performance measures including route-specific fish passage proportions, travel times, and survival based upon a single-release model. This also was the last year of evaluation of effects of a behavioral guidance device installed in the Powerhouse 2 forebay. The study relied on releases of live Juvenile Salmon Acoustic Telemetry System tagged smolts in the Columbia River and used acoustic telemetry to evaluate the approach, passage, and survival of passing juvenile salmon. This study supports the U.S. Army Corps of Engineers continual effort to improve conditions for juvenile anadromous fish passing through Columbia River dams.

  13. Survival and Passage of Yearling and Subyearling Chinook Salmon and Juvenile Steelhead at McNary Dam, 2012

    SciTech Connect (OSTI)

    Hughes, James S.; Weiland, Mark A.; Woodley, Christa M.; Ploskey, Gene R.; Carpenter, Scott M.; Hennen, Matthew J.; Fischer, Eric S.; Batton, George; Carlson, Thomas J.; Cushing, Aaron W.; Deng, Zhiqun; Etherington, D. J.; Fu, Tao; Greiner, Michael J.; Ingraham, John M.; Kim, Jin A.; Li, Xi; Martinez, Jayson J.; Mitchell, T. D.; Rayamajhi, Bishes; Seaburg, Adam; Skalski, J. R.; Townsend, Richard L.; Wagner, Katie A.; Zimmerman, Shon A.

    2013-12-23

    The study was designed to evaluate the passage and survival of yearling and subyearling Chinook salmon and juvenile steelhead at McNary Dam as stipulated by the 2008 Biological Opinion and Fish Accords and to assess performance measures including route-specific fish passage proportions, travel times, and survival based upon a virtual/paired-release model. This study supports the USACE’s continual effort to improve conditions for juvenile anadromous fish passing through Columbia River dams.

  14. Turbulent heat exchange between water and ice at an evolving ice-water interface

    E-Print Network [OSTI]

    Ramudu, Eshwan; Olson, Peter; Gnanadesikan, Anand

    2015-01-01

    We conduct laboratory experiments on the time evolution of an ice layer cooled from below and subjected to a turbulent shear flow of warm water from above. Our study is motivated by observations of warm water intrusion into the ocean cavity under Antarctic ice shelves, accelerating the melting of their basal surfaces. The strength of the applied turbulent shear flow in our experiments is represented in terms of its Reynolds number $\\textit{Re}$, which is varied over the range $2.0\\times10^3 \\le \\textit{Re} \\le 1.0\\times10^4$. Depending on the water temperature, partial transient melting of the ice occurs at the lower end of this range of $\\textit{Re}$ and complete transient melting of the ice occurs at the higher end. Following these episodes of transient melting, the ice reforms at a rate that is independent of $\\textit{Re}$. We fit our experimental measurements of ice thickness and temperature to a one-dimensional model for the evolution of the ice thickness in which the turbulent heat transfer is parameter...

  15. Equations of state of ice VI and ice VII at high pressure and high temperature

    SciTech Connect (OSTI)

    Bezacier, Lucile; Hanfland, Michael; Journaux, Baptiste; Perrillat, Jean-Philippe; Cardon, Hervé; Daniel, Isabelle

    2014-09-14

    High-pressure H{sub 2}O polymorphs among which ice VI and ice VII are abundant in the interiors of large icy satellites and exo-planets. Knowledge of the elastic properties of these pure H{sub 2}O ices at high-temperature and high-pressure is thus crucial to decipher the internal structure of icy bodies. In this study we assess for the first time the pressure-volume-temperature (PVT) relations of both polycrystalline pure ice VI and ice VII at high pressures and temperatures from 1 to 9 GPa and 300 to 450 K, respectively, by using in situ synchrotron X-ray diffraction. The PVT data are adjusted to a second-order Birch-Murnaghan equation of state and give V{sub 0} = 14.17(2) cm{sup 3}?mol{sup ?1}, K{sub 0} = 14.05(23) GPa, and ?{sub 0} = 14.6(14) × 10{sup ?5} K{sup ?1} for ice VI and V{sub 0} = 12.49(1) cm{sup 3}?mol{sup ?1}, K{sub 0} = 20.15(16) GPa, and ?{sub 0} = 11.6(5) × 10{sup ?5} K{sup ?1} for ice VII.

  16. Strobe Light Deterrent Efficacy Test and Fish Behavior Determination at Grand Coulee Dam Third Powerplant Forebay

    SciTech Connect (OSTI)

    Simmons, Mary Ann; Johnson, Robert L.; McKinstry, Craig A.; Simmons, Carver S.; Cook, Chris B.; Brown, Richard S.; Tano, Daniel K.; Thorsten, Susan L.; Faber, Derrek M.; Lecaire, Richard; Francis, Stephen

    2004-01-01

    This report documents the third year of a four-year study to assess the efficacy of a prototype strobe light system to elicit a negative phototactic response in kokanee salmon (Oncorhynchus nerka) and rainbow trout (O. mykiss) in the forebay to the third powerplant at Grand Coulee Dam. This work was conducted for the Bonneville Power Administration, U.S. Department of Energy, by Pacific Northwest National Laboratory (PNNL) in conjunction with the Confederated Tribes of the Colville Reservation (Colville Confederated Tribes).

  17. Framing India's Hydraulic Crises The Politics of the Modern Large Dam

    E-Print Network [OSTI]

    Sussex, University of

    Framing India's Hydraulic Crises The Politics of the Modern Large Dam ROHAN D'SOUZA For several University Press, 2006). #12;I N D I A ' S H Y D R A U L I C C R I S I S 1 1 3 commentator on India, declared landscape.4 The TVA model was soon to mark a profound hydraulic departure by kick-starting the post

  18. Sedimentary processes of the Red River between Denison Dam, TX and Alexandria, LA 

    E-Print Network [OSTI]

    Weirich, Thomas Moody - Kenyon

    1990-01-01

    the processes that govern the suspended sediment concentration of the Red River; processes which may impact river navigation and the operation of lock and dams currently being constructed on the Red River between Alexandria, LA and Shreveport, LA. Knowledge.... 2. changes in land use which have promoted erosion of the lands along the reach of the Red River between Index, AR and Shreveport, LA. 3. easily erodible fine grained fractions that may be present in, or outcrop immediately adjacent to, the Red...

  19. Scientific substantiation of safe operation of the Earthen Dams at the Votkinsk HPP

    SciTech Connect (OSTI)

    Deev, A. P.; Fisenko, V. F.; Sol'skii, S. V.; Lopatina, M. G.; Gints, A. V.; Aref'eva, A. N.

    2012-11-15

    Over a period of 15 years, coworkers of the B. E. Vedeneev Scientific-Research Institute of Hydraulic Engineering have conducted scientific accompaniment of the operation of the earthen dams at the Votkinsk HPP. During that time, basic performance characteristics associated with complex hydrogeologic and hydrochemical conditions, and the forms of their unfavorable manifestations influencing the reliability and safety of the structures were revealed, and, recommendations and measures were developed for their elimination.

  20. Design Tools to Assess Hydro-Turbine Biological Performance: Priest Rapids Dam Turbine Replacement Project

    SciTech Connect (OSTI)

    Richmond, Marshall C.; Rakowski, Cynthia L.; Serkowski, John A.; Strickler, Brad; Weisbeck, Molly; Dotson, Curtis L.

    2013-06-25

    Over the past two decades, there have been many studies describing injury mechanisms associated with turbine passage, the response of various fish species to these mechanisms, and the probability of survival through dams. Although developing tools to design turbines that improve passage survival has been difficult and slow, a more robust quantification of the turbine environment has emerged through integrating physical model data, fish survival data, and computational fluid dynamics (CFD) studies. Grant County Public Utility District (GCPUD) operates the Priest Rapids Dam (PRD), a hydroelectric facility on the Columbia River in Washington State. The dam contains 10 Kaplan-type turbine units that are now almost 50 years old. The Utility District plans to refit all of these aging turbines with new turbines. The Columbia River at PRD is a migratory pathway for several species of juvenile and adult salmonids, so passage of fish through the dam is a major consideration when replacing the turbines. In this presentation, a method for turbine biological performance assessment (BioPA) is introduced. Using this method, a suite of biological performance indicators is computed based on simulated data from a CFD model of a proposed turbine design. Each performance indicator is a measure of the probability of exposure to a certain dose of an injury mechanism. Using known relationships between the dose of an injury mechanism and frequency of injury (dose–response) from laboratory or field studies, the likelihood of fish injury for a turbine design can be computed from the performance indicator. By comparing the values of the indicators from proposed designs, the engineer can identify the more-promising alternatives. We will present application of the BioPA method for baseline risk assessment calculations for the existing Kaplan turbines at PRD that will be used as the minimum biological performance that a proposed new design must achieve.

  1. A reconciled estimate of ice-sheet mass balance

    E-Print Network [OSTI]

    2012-01-01

    Estimate of Ice-Sheet Mass Balance Andrew Shepherd, 1 * Erikand models of surface mass balance and glacial isostaticThis Ice Sheet Mass Balance Exercise (IMBIE) was facilitated

  2. Optimization of Ice Thermal Storage Systems Design for HVAC Systems 

    E-Print Network [OSTI]

    Nassif, N.; Hall, C.; Freelnad, D.

    2013-01-01

    energy cost. A tool for optimal ice storage design is developed, considering the charging and discharge times and optimal sizing of ice thermal storage system. Detailed simulation studies using real office building located near Orlando, FL including...

  3. Searching for Cosmic Accelerators via IceCube

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

    Searching for Cosmic Accelerators via IceCube Searching for Cosmic Accelerators via IceCube Berkeley Lab Researchers Part of an International Hunt November 21, 2013 Lynn Yarris,...

  4. Cirrus cloud formation and the role of heterogeneous ice nuclei

    E-Print Network [OSTI]

    Froyd, Karl D.

    2013-01-01

    Composition, size, and phase are key properties that define the ability of an aerosol particle to initiate ice in cirrus clouds. Properties of cirrus ice nuclei (IN) have not been well constrained due to a lack of systematic ...

  5. Mitigation for the Construction and Operation of Libby Dam, 2004-2005 Annual Report.

    SciTech Connect (OSTI)

    Dunnigan, James; DeShazer, Jay; Garrow, Larry (Montana Department of Fish, Wildlife and Parks, Libby, MT)

    2005-06-01

    ''Mitigation for the Construction and Operation of Libby Dam'' is part of the Northwest Power and Conservation Council's (NPCC) resident fish and wildlife program. The program was mandated by the Northwest Planning Act of 1980, and is responsible for mitigating damages to fish and wildlife caused by hydroelectric development in the Columbia River Basin. The objective of Phase I of the project (1983 through 1987) was to maintain or enhance the Libby Reservoir fishery by quantifying seasonal water levels and developing ecologically sound operational guidelines. The objective of Phase II of the project (1988 through 1996) was to determine the biological effects of reservoir operations combined with biotic changes associated with an aging reservoir. The objectives of Phase III of the project (1996 through present) are to implement habitat enhancement measures to mitigate for dam effects, to provide data for implementation of operational strategies that benefit resident fish, monitor reservoir and river conditions, and monitor mitigation projects for effectiveness. This project completes urgent and high priority mitigation actions as directed by the Kootenai Subbasin Plan. Montana Fish, Wildlife & Parks (MFWP) uses a combination of techniques to collect physical and biological data within the Kootenai River Basin. These data serve several purposes including: the development and refinement of models used in management of water resources and operation of Libby Dam; investigations into the limiting factors of native fish populations, gathering basic life history information, tracking trends in endangered and threatened species, and the assessment of restoration or management activities designed to restore native fishes and their habitats.

  6. Energy conservation in ice skating rinks

    SciTech Connect (OSTI)

    Dietrich, B.K.; McAvoy, T.J.

    1980-01-01

    An economic and energy analysis of ice rinks was made to examine the areas in which energy could be profitably conserved. The areas where new equipment could make a major reduction in energy use are: the use of waste heat for space heating, the installation of a low emissivity false ceiling to reduce radiant heat, the use of a load cycling controller to reduce refrigeration costs, and the installation of more efficient lighting systems. Changes in rink operating procedure that could cut energy use are: higher refrigerant temperatures, thinner ice, the use of colder resurfacing water, turning the compressors and pumps off at night, and reducing ventilation.

  7. Covered Product Category: Water-Cooled Ice Machines

    Office of Energy Efficiency and Renewable Energy (EERE)

    The Federal Energy Management Program (FEMP) provides acquisition guidance and federal efficiency requirements for water-cooled ice machines.

  8. Operation and Control of Full Ice-storage System 

    E-Print Network [OSTI]

    Liu, Q.; Liu, Y.

    2006-01-01

    In a dividing time ice-storage system, the refrigerator does not operate during power's on-peak period, and all the cooling is supplied by the ice stored in off-peak period, so that the use of electricity can be maintained. When the ice is thawing...

  9. Ice Simulation Using GPGPU Shadi Alawneh and Dennis Peters

    E-Print Network [OSTI]

    Peters, Dennis

    is to increase the understanding of interactions between ice and steel structures such as ships and oil rigsIce Simulation Using GPGPU Shadi Alawneh and Dennis Peters Electrical and Computer Engineering.alawneh, dpeters}@mun.ca Abstract-- Simulation of the behaviour of a ship operating in pack ice

  10. Hyper-Real-Time Ice Simulation and Modeling Using GPGPU

    E-Print Network [OSTI]

    Peters, Dennis

    Hyper-Real-Time Ice Simulation and Modeling Using GPGPU By c Shadi Alawneh, B. Eng., M. Eng's, Newfoundland Title: Hyper-Real-Time Ice Simulation and Modeling Using GPGPU Author: Shadi Alawneh, B. Eng operating in pack ice is a computationally in- tensive process to which General Purpose Computing

  11. Introduction Microorganisms in sea ice function ecologically in the

    E-Print Network [OSTI]

    Stewart, Frank

    where pelagic and sea ice habitats are intrinsically coupled (Laws 1985, Garrison 1991, Eicken 1992, Knox 1994, Garrison & Mathot 1996, Arrigo et al. 1997, Brierley & Thomas 2002). For instance, sea ice algae - primarily diatoms and phototrophic flagellates (e.g. Garrison 1991) - are inocula for ice

  12. Total Dissolved Gas Monitoring in Chum Salmon Spawning Gravels Below Bonneville Dam

    SciTech Connect (OSTI)

    Arntzen, Evan V.; Geist, David R.; Panther, Jennifer L.; Dawley, Earl

    2007-01-30

    At the request of the U.S. Army Corps of Engineers (Portland District), Pacific Northwest National Laboratory (PNNL) conducted research to determine whether total dissolved gas concentrations are elevated in chum salmon redds during spring spill operations at Bonneville Dam. The study involved monitoring the total dissolved gas levels at egg pocket depth and in the river at two chum salmon spawning locations downstream from Bonneville Dam. Dissolved atmospheric gas supersaturation generated by spill from Bonneville Dam may diminish survival of chum (Oncorhynchus keta) salmon when sac fry are still present in the gravel downstream from Bonneville Dam. However, no previous work has been conducted to determine whether total dissolved gas (TDG) levels are elevated during spring spill operations within incubation habitats. The guidance used by hydropower system managers to provide protection for pre-emergent chum salmon fry has been to limit TDG to 105% after allowing for depth compensation. A previous literature review completed in early 2006 shows that TDG levels as low as 103% have been documented to cause mortality in sac fry. Our study measured TDG in the incubation environment to evaluate whether these levels were exceeded during spring spill operations. Total dissolved gas levels were measured within chum salmon spawning areas near Ives Island and Multnomah Falls on the Columbia River. Water quality sensors screened at egg pocket depth and to the river were installed at both sites. At each location, we also measured dissolved oxygen, temperature, specific conductance, and water depth to assist with the interpretation of TDG results. Total dissolved gas was depth-compensated to determine when levels were high enough to potentially affect sac fry. This report provides detailed descriptions of the two study sites downstream of Bonneville Dam, as well as the equipment and procedures employed to monitor the TDG levels at the study sites. Results of the monitoring at both sites are then presented in both text and graphics. The findings and recommendations for further research are discussed, followed by a listing of the references cited in the report.

  13. 29April2011JohnLearnedatIceCubeDedication1 IceCube Dedication Symposium, Madison, Wisconsin

    E-Print Network [OSTI]

    Learned, John

    29April2011JohnLearnedatIceCubeDedication1 IceCube Dedication Symposium, Madison, Wisconsin 29 of Neutrino Studies #12;"Talking to the neighbors" 29April2011JohnLearnedatIceCubeDedication2 "A modest://www.economist.com/PrinterFriendly.cfm?story_id=18526871 Not what this talk is about.... SETI with Neutrinos #12;29April2011JohnLearnedatIceCubeDedication3

  14. Decadal scale variations in ice flow along Whillans Ice Stream and its tributaries, West Antarctica

    E-Print Network [OSTI]

    Stearns, Leigh; Jezek, Kenneth C.; van der Veen, Cornelis J.

    2005-01-05

    We investigate velocity changes occurring along Whillans Ice Stream (WIS) by comparing velocities derived from repeat aerial photographs acquired in 1985–89 (average date of 1987) to interferometric satellite radar (InSAR) ...

  15. Decadal-scale variations in ice flow along Whillans Ice Stream and its tributaries, West Antarctica

    E-Print Network [OSTI]

    Stearns, Leigh; Jezek, K.A.; van der Veen, Cornelis J.

    2005-01-01

    We investigate velocity changes occurring along Whillans Ice Stream (WIS) by comparing velocities derived from repeat aerial photographs acquired in 1985–89 (average date of 1987) to interferometric satellite radar (InSAR) ...

  16. Focused synthetic aperture radar processing of ice-sounder data collected over the Greenland ice sheet

    E-Print Network [OSTI]

    Legarsky, J.; Gogineni, Sivaprasad; Akins, T. L.

    2001-10-01

    We developed a synthetic aperture radar (SAR) processing algorithm for airborne/spaceborne ice-sounding radar systems and applied it to data collected in Greenland. By using focused SAR (phase-corrected coherent averaging), we improved along...

  17. Hydroacoustic Evaluation of Juvenile Salmonid Passage and Distribution at Lookout Point Dam, 2010

    SciTech Connect (OSTI)

    Khan, Fenton; Johnson, Gary E.; Royer, Ida M.; Hughes, James S.; Fischer, Eric S.; Trott, Donna M.; Ploskey, Gene R.

    2011-07-01

    This report presents the results of an evaluation of juvenile salmonid passage and distribution at Lookout Point Dam (LOP) on the Middle Fork Willamette River. The study was conducted by the Pacific Northwest National Laboratory for the U.S. Army Corps of Engineers, Portland District (USACE). The goal of the study was to provide fish passage and distribution data to support decisions on long-term measures to enhance downstream passage at LOP and others dams in USACE’s Willamette Valley Project in response to the listing of Upper Willamette River Spring Chinook salmon (Oncorhynchus tshawytscha) and Upper Willamette River steelhead (O. mykiss) as threatened under the Endangered Species Act. During the year-long study period - February 1, 2010 to January 31, 2011the objectives of the hydroacoustic evaluation of fish passage and distribution at LOP were to: 1. Estimate passage rates, run timing, horizontal distribution, and diel distribution at turbine penstock intakes for smolt-size fish. 2. Estimate passage rates, run timing and diel distribution at turbine penstock intakes for small-size fish. 3. Estimate passage rates and run timing at the regulating outlets for smolt-size fish. 4. Estimate vertical distribution of smolt-size fish in the forebay near the upstream face of the dam. The fixed-location hydroacoustic technique was used to accomplish the objectives of this study. Transducers (420 kHz) were deployed in each penstock intake, above each RO entrance, and on the dam face; a total of nine transducers (2 single-beam and 7 split-beam) were used. We summarize the findings from the hydroacoustic evaluation of juvenile salmonid passage and distribution at LOP during February 2010 through January 2011 as follows. • Fish passage rates for smolt-size fish (> ~90 mm) were highest during December-January and lowest in mid-summer through early fall. • During the entire study period, an estimated total of 142,463 fish ± 4,444 (95% confidence interval) smolt-size fish passed through turbine penstock intakes. • Diel periodicity of smolt-size fish showing crepuscular peaks was evident in fish passage into turbine penstock intakes. • Run timing for small-size fish (~65-90 mm) peaked (702 fish) on December 18. Downstream passage of small-size juvenile fish was variable, occurring on two days in the spring, eight days in the summer, and at times throughout late fall and winter. A total of 7,017 ± 690 small-size fish passed through the turbine penstock intakes during the study period. • Relatively few fish passed into the ROs when they were open in summer (2 fish/d) and winter (8 fish/d). • Fish were surface-oriented with 62-80% above 10 m deep. The highest percentage of fish (30-60%) was in the 5-10 m depth bin. We draw the following conclusions from the study. • The non-obtrusive hydroacoustic data from this study are reliable because passage estimates and patterns were similar with those observed in the direct capture data from the tailrace screw trap and were consistent with distribution patterns observed in other studies of juvenile salmonid passage at dams. • Fish passage at LOP was apparently affected but not dominated by dam operations and reservoir elevation. • The surface-oriented vertical distribution of fish we observed supports development of surface passage or collector devices. In summary, the high-resolution spatially and temporally data reported herein provide detailed estimates of vertical, horizontal, diel, daily, and seasonal passage and distributions at LOP during March 2010 through January 2011. This information is applicable to management decisions on design and development of surface passage and collections devices to help restore Chinook salmon populations in the Middle Fork Willamette River watershed above Lookout Point Dam.

  18. Prediction of lake ice in the Netherlands

    E-Print Network [OSTI]

    Haak, Hein

    by HARMONIE ·Flake driven by ECMWF ensembles ·Conclusions and Outlook #12;Lake workshop sept 2012 Motivation Operational Observations ECMWF model #12;Lake workshop sept 2012 h D Air Water Ice ·Surface energy ·Radiative fluxes (Qs, Ql, absorbed solar radiation) ·Turbulent fluxes (sensible and latent heat fluxes

  19. Ice-volcano interactions Eyjafjallajkull volcano, Iceland

    E-Print Network [OSTI]

    Berthier, Etienne

    Ice-volcano interactions in Eyjafjallajökull volcano, Iceland Eyjólfur Magnússon1, Magnús Tumi Sciences, University of Iceland, Reykjavík, Iceland 2. Institute of Earth Sciences, University of Iceland, Reykjavík, Iceland 3. Icelandic Coast Guard SPIRIT workshop 29&30 April 2010, Toulouse Picture by Eyjólfur

  20. Acoustic Telemetry Evaluation of Juvenile Salmonid Passage and Survival at John Day Dam with Emphasis on the Prototype Surface Flow Outlet, 2008

    SciTech Connect (OSTI)

    Weiland, Mark A.; Ploskey, Gene R.; Hughes, James S.; Deng, Zhiqun; Fu, Tao; Monter, Tyrell J.; Johnson, Gary E.; Khan, Fenton; Wilberding, Matthew C.; Cushing, Aaron W.; Zimmerman, Shon A.; Faber, Derrek M.; Durham, Robin E.; Townsend, Richard L.; Skalski, John R.; Kim, Jina; Fischer, Eric S.; Meyer, Matthew M.

    2009-12-01

    The main purpose of the study was to evaluate the performance of Top Spill Weirs installed at two spillbays at John Day Dam and evaluate the effectiveness of these surface flow outlets at attracting juvenile salmon away from the powerhouse and reducing turbine passage. The Juvenile Salmonid Acoustic Telemetry System (JSATS) was used to estimate survival of juvenile salmonids passing the dam and also for calculating performance metrics used to evaluate the efficiency and effectiveness of the dam at passing juvenile salmonids.

  1. Synthesis of Sensor Fish Data for Assessment of Fish Passage Conditions at Turbines, Spillways, and Bypass Facilities – Phase 1: The Dalles Dam Spillway Case Study

    SciTech Connect (OSTI)

    Deng, Zhiqun; Serkowski, John A.; Fu, Tao; Carlson, Thomas J.; Richmond, Marshall C.

    2007-12-31

    This report summarizes the characterization of spillway passage conditions at The Dalles Dam in 2006 and the effort to complete a comprehensive database for data sets from The Dalles Dam spillway Sensor Fish and balloon-tagged live fish experiments. Through The Dalles Dam spillway case study, Pacific Northwest National Laboratory (PNNL) researchers evaluated the database as an efficient means for accessing and retrieving system-wide data for the U.S Army Corps of Engineers (USACE).

  2. Automated control for coal handling operations at Bethlehem Steel, Burns Harbor Division

    SciTech Connect (OSTI)

    Zendzian, T.N. [Bethlehem Steel Corp., Chesterton, IN (United States). Burns Harbor Div.

    1997-12-31

    The Burns Harbor coal handling operation processes 7,200 tons of coal per day to supply two 82 oven, six meter batteries. The operations in coal handling are subdivided into three separate sections: the coal field and stacker reclaimer operation, the crushing and storage of coal, and the coal blending operation. In 1996 a supervisory system was developed and installed to fully automate all the operations and equipment in the coal handling unit, add additional instrumentation and logic controls to prevent coal contamination, and improve data collection and logging. The supervisory system is operated from a computer based workstation and is based on a distributed control philosophy utilizing programmable logic controllers, set point controllers, and man-machine interface displays. The previous control system for the coal handling operation consisted of a switchboard from which an operator controller the set up and running of the conveyor systems and equipment to stack, reclaim, and blend coal. The new supervisory system was installed in parallel with the original control system to safeguard continued operation during the system installation and commissioning. The original system still exists and can be operated in even of failure of the supervisory system.

  3. History of New Bedford Harbor: Ecological consequences of urbanization and implications for remediation

    SciTech Connect (OSTI)

    Voyer, R.A.; Pesch, C.; Garber, J.; Cabral, S.; Copeland, J.; Comeleo, R.

    1995-12-31

    New Bedford, Massachusetts is the product of {approximately}300 years of agricultural, commercial and industrial activities. Located on the Acushnet River and Buzzard`s Bay, New Bedford is renowned as a former whaling center and former producer of fine quality textiles. It has, however, gained notoriety as a Superfund site contaminated with PCBs. The historical research enhances understanding of sources of cumulative ecological impacts in the Acushnet River estuary. Stressors are reviewed and impacts interpreted in terms of geographic and cultural considerations aided by geographic information system techniques, Analysis of information reveals four sequential developmental periods, each with a distinctive effect an estuarine conditions. Changes in coastline morphology and loss of habitat accompanied wharf building during the whaling period. Wetlands were filled and became building sites during the textile phase. A six-fold population increase between 1870 and 1920 accompanied expansion of textile industry and resulted in increased nutrient loading and raw sewage discharge to the estuary. Shellfish beds were closed throughout estuary in 1904, due to outbreaks of typhoid fever. They remain closed. During the post-textile period, discharge of PCBs further limited fishing in New Bedford and presently restricts harbor restoration. Construction of a hurricane barrier to protect the fishing fleet and city further altered estuarine hydrology. This historical analysis represents a significant adjunct to scientific examination of this site and provides a valuable context for design and conduct of remediation activities.

  4. Modeling the Fracture of Ice Sheets on Parallel Computers

    SciTech Connect (OSTI)

    Waisman, Haim; Tuminaro, Ray

    2013-10-10

    The objective of this project was to investigate the complex fracture of ice and understand its role within larger ice sheet simulations and global climate change. This objective was achieved by developing novel physics based models for ice, novel numerical tools to enable the modeling of the physics and by collaboration with the ice community experts. At the present time, ice fracture is not explicitly considered within ice sheet models due in part to large computational costs associated with the accurate modeling of this complex phenomena. However, fracture not only plays an extremely important role in regional behavior but also influences ice dynamics over much larger zones in ways that are currently not well understood. To this end, our research findings through this project offers significant advancement to the field and closes a large gap of knowledge in understanding and modeling the fracture of ice sheets in the polar regions. Thus, we believe that our objective has been achieved and our research accomplishments are significant. This is corroborated through a set of published papers, posters and presentations at technical conferences in the field. In particular significant progress has been made in the mechanics of ice, fracture of ice sheets and ice shelves in polar regions and sophisticated numerical methods that enable the solution of the physics in an efficient way.

  5. EA-1792-S1: University of Maine's Deepwater Offshore Floating Wind Turbine Testing and Demonstration Project – Castine Harbor Test Site

    Broader source: Energy.gov [DOE]

    This Supplemental EA evaluates the environmental impacts of the University of Maine proposal to use Congressionally directed federal funding, from DOE, to deploy, test and retrieve one 1/8-scale floating wind turbine (20kw) prototype in Castine Harbor, offshore of Castine Maine. This test would be conducted prior to testing at the site 2 miles from Monhegan Island (evaluated under DOE EA-1792).

  6. Characterization of Fish Passage Conditions through the Fish Weir and Turbine Unit 1 at Foster Dam, Oregon, Using Sensor Fish, 2012

    SciTech Connect (OSTI)

    Duncan, Joanne P.

    2013-02-01

    This report documents investigations of downstream fish passage research involving a spillway fish weir and turbine passage conditions at Foster Dam in May 2012.

  7. Structures of Escherichia coli DNA adenine methyltransferase (Dam) in complex with a non-GATC sequence: Potential implications for methylation-independent transcriptional repression

    DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

    Horton, John R.; Zhang, Xing; Blumenthal, Robert M.; Cheng, Xiaodong

    2015-04-06

    DNA adenine methyltransferase (Dam) is widespread and conserved among the ?-proteobacteria. Methylation of the Ade in GATC sequences regulates diverse bacterial cell functions, including gene expression, mismatch repair and chromosome replication. Dam also controls virulence in many pathogenic Gram-negative bacteria. An unexplained and perplexing observation about Escherichia coli Dam (EcoDam) is that there is no obvious relationship between the genes that are transcriptionally responsive to Dam and the promoter-proximal presence of GATC sequences. Here, we demonstrate that EcoDam interacts with a 5-base pair non-cognate sequence distinct from GATC. The crystal structure of a non-cognate complex allowed us to identify amore »DNA binding element, GTYTA/TARAC (where Y = C/T and R = A/G). This element immediately flanks GATC sites in some Dam-regulated promoters, including the Pap operon which specifies pyelonephritis-associated pili. In addition, Dam interacts with near-cognate GATC sequences (i.e. 3/4-site ATC and GAT). All together, these results imply that Dam, in addition to being responsible for GATC methylation, could also function as a methylation-independent transcriptional repressor.« less

  8. Biological testing of sediment for the Olympia Harbor Navigation Improvement Project, 1988: Geoduck, amphipod, and echinoderm bioassays

    SciTech Connect (OSTI)

    Ward, J.A.; Word, J.Q.; Antrim, L.D.

    1989-05-01

    The Olympia Harbor Navigation Improvement Project requires the dredging of approximately 330,000 cubic yards (cy) of sediment from the harbor entrance channel and 205,185 cy from the turning basin. Puget Sound Dredged Disposal Analysis (PSDDA) partial characterization studies were used to plan a full sediment characterization in which chemical analyses and biological testing of sediments evaluated the suitability of the dredged material for unconfined, open-water disposal. The US Army Corps of Engineers (COE), Seattle District, contracted with NOAA/NMFS, Environmental Conservation Division, to perform the chemical analysis and Microtox bioassay tests, and with the Battelle/Marine Sciences Laboratory (MSL) in Sequim to perform flow-through solid-phase bioassays utilizing juvenile (8 to 10 mm) geoduck clams, Panopea generosa, and static solid phase bioassays using the phoxocephalid amphipod, Rhepoxynius abronius, developing embryos and gametes of the purple sea urchin, Strongylocentrotus purpuratus, and the larvae of the Pacific oyster Crassostrea gigas. When the results of the biological tests were evaluated under PSDDA guidelines, it was found that all the tested sediment treatments from Olympia Harbor are suitable for unconfined open-water disposal. 14 refs., 12 figs., 3 tabs.

  9. A review of the history of alkali-aggregate reaction at three of the Tennessee Valley Authority`s dams

    SciTech Connect (OSTI)

    Wagner, C.D.; Newell, V.A.

    1995-12-31

    Three of The Tennessee Valley Authority (TVA) major hydroelectric projects are experiencing alkali-aggregate reaction (AAR), These projects include Fontana Dam and Powerhouse, Hiwassee Dam and Powerhouse, and Chickamauga Lock, Dam and Powerhouse, All of these dams are considered {open_quotes}high hazard,{close_quotes} causing significant economic losses from loss of power, replacement of the dam and generation facilities, and loss of life should they fail. This paper presents an overview of the descriptions of each of these projects, including construction and original instrumentation installed in the structure during construction, All of these projects are now 50 to 60 years old and are experiencing problems in one or more locations due to AAR with no indication of any slowing of the concrete growth process, Concrete problems at these projects came as no surprise. Cracks were noted within 5 years of construction, and by 1980 some of these cracks were 1/2 inch in width. continuous monitoring of these projects has always been a priority. This paper will discuss how the growth from AAR has affected each structure, which structures have been affected most, and why. It will discuss how TVA has managed AAR at these projects in the past and how TVA is changing from a reactive to a pro-active approach in its response to AAR.

  10. Reducing the Impacts of Hydroelectric Dams on Juvenile Anadromous Fishes: Bioengineering Evaluations Using Acoustic Imaging in the Columbia River, USA

    SciTech Connect (OSTI)

    Johnson, Gary E.; Ploskey, Gene R.; Hedgepeth, J.; Khan, Fenton; Mueller, Robert P.; Nagy, William T.; Richmond, Marshall C.; Weiland, Mark A.

    2008-07-29

    Dams impact the survival of juvenile anadromous fishes by obstructing migration corridors, lowering water quality, delaying migrations, and entraining fish in turbine discharge. To reduce these impacts, structural and operational modifications to dams— such as voluntary spill discharge, turbine intake guidance screens, and surface flow outlets—are instituted. Over the last six years, we have used acoustic imaging technology to evaluate the effects of these modifications on fish behavior, passage rates, entrainment zones, and fish/flow relationships at hydroelectric projects on the Columbia River. The imaging technique has evolved from studies documenting simple movement patterns to automated tracking of images to merging and analysis with concurrent hydraulic data. This chapter chronicles this evolution and shows how the information gleaned from the scientific evaluations has been applied to improve passage conditions for juvenile salmonids. We present data from Bonneville and The Dalles dams that document fish behavior and entrainment zones at sluiceway outlets (14 to 142 m3/s), fish passage rates through a gap at a turbine intake screen, and the relationship between fish swimming effort and hydraulic conditions. Dam operators and fisheries managers have applied these data to support decisions on operational and structural changes to the dams for the benefit of anadromous fish populations in the Columbia River basin.

  11. Mitigation for the Construction and Operation of Libby Dam, 2001-2002 Annual Report.

    SciTech Connect (OSTI)

    Dunnigan, James L.; Marotz, Brian L.; DeShazer, Jay (Montana Department of Fish, Wildlife and Parks, Libby, MT)

    2003-06-01

    Libby Reservoir was created under an International Columbia River Treaty between the United States and Canada for cooperative water development of the Columbia River Basin (Columbia River Treaty 1964). Libby Reservoir inundated 109 stream miles of the mainstem Kootenai River in the United States and Canada, and 40 miles of tributary streams in the U.S. that provided habitat for spawning, juvenile rearing, and migratory passage (Figure 1). The authorized purpose of the dam is to provide power (91.5%), flood control (8.3%), and navigation and other benefits (0.2%; Storm et al. 1982). The Pacific Northwest Power Act of 1980 recognized possible conflicts stemming from hydroelectric projects in the northwest and directed Bonneville Power Administration to ''protect, mitigate, and enhance fish and wildlife to the extent affected by the development and operation of any hydroelectric project of the Columbia River and its tributaries...'' (4(h)(10)(A)). Under the Act, the Northwest Power Planning Council was created and recommendations for a comprehensive fish and wildlife program were solicited from the region's federal, state, and tribal fish and wildlife agencies. Among Montana's recommendations was the proposal that research be initiated to quantify acceptable seasonal minimum pool elevations to maintain or enhance the existing fisheries (Graham et al. 1982). Research to determine how operations of Libby Dam affect the reservoir and river fishery and to suggest ways to lessen these effects began in May, 1983. The framework for the Libby Reservoir Model (LRMOD) was completed in 1989. Development of Integrated Rule Curves (IRCs) for Libby Dam operation was completed in 1996 (Marotz et al. 1996). The Libby Reservoir Model and the IRCs continue to be refined (Marotz et al 1999). Initiation of mitigation projects such as lake rehabilitation and stream restoration began in 1996. The primary focus of the Libby Mitigation project now is to redevelop fisheries and fisheries habitat in basin streams and lakes.

  12. Mitigation for the Construction and Operation of Libby Dam, 2003-2004 Annual Report.

    SciTech Connect (OSTI)

    Dunnigan, James; DeShazer, Jay; Garrow, Larry (Montana Department of Fish, Wildlife and Parks, Libby, MT)

    2004-06-01

    ''Mitigation for the Construction and Operation of Libby Dam'' is part of the Northwest Power and Conservation Council's (NPCC) resident fish and wildlife program. The program was mandated by the Northwest Planning Act of 1980, and is responsible for mitigating for damages to fish and wildlife caused by hydroelectric development in the Columbia River Basin. The objective of Phase I of the project (1983 through 1987) was to maintain or enhance the Libby Reservoir fishery by quantifying seasonal water levels and developing ecologically sound operational guidelines. The objective of Phase II of the project (1988 through 1996) was to determine the biological effects of reservoir operations combined with biotic changes associated with an aging reservoir. The objectives of Phase III of the project (1996 through present) are to implement habitat enhancement measures to mitigate for dam effects, to provide data for implementation of operational strategies that benefit resident fish, monitor reservoir and river conditions, and monitor mitigation projects for effectiveness. This project completes urgent and high priority mitigation actions as directed by the Kootenai Subbasin Plan. Montana FWP uses a combination of diverse techniques to collect a variety of physical and biological data within the Kootenai River Basin. These data serve several purposes including: the development and refinement of models used in management of water resources and operation of Libby Dam; investigations into the limiting factors of native fish populations, gathering basic life history information, tracking trends in endangered, threatened species, and the assessment of restoration or management activities intended to restore native fishes and their habitats.

  13. Survival Rates of Juvenile Salmonids Passing Through the Bonneville Dam and Spillway in 2008

    SciTech Connect (OSTI)

    Ploskey, Gene R.; Weiland, Mark A.; Faber, Derrek M.; Deng, Zhiqun; Johnson, Gary E.; Hughes, James S.; Zimmerman, Shon A.; Monter, Tyrell J.; Cushing, Aaron W.; Wilberding, Matthew C.; Durham, Robin E.; Townsend, R. L.; Skalski, J. R.; Buchanan, Rebecca A.; Kim, Jina; Fischer, Eric S.; Meyer, Matthew M.; McComas, Roy L.; Everett, Jason

    2009-12-28

    This report describes a 2008 acoustic telemetry survival study conducted by the Pacific Northwest National Laboratory for the Portland District of the U.S. Army Corps of Engineers. The study estimated the survival of juvenile Chinook salmon and steelhead passing Bonneville Dam (BON) and its spillway. Of particular interest was the relative survival of smolts detected passing through end spill bays 1-3 and 16-18, which had deep flow deflectors immediately downstream of spill gates, versus survival of smolts passing middle spill bays 4-15, which had shallow flow deflectors.

  14. Strong obstruction of the Berends-Burgers-van Dam spin-3 vertex

    E-Print Network [OSTI]

    Xavier Bekaert; Nicolas Boulanger; Serge Leclercq

    2010-02-01

    In the eighties, Berends, Burgers and van Dam (BBvD) found a nonabelian cubic vertex for self-interacting massless fields of spin three in flat spacetime. However, they also found that this deformation is inconsistent at higher order for any multiplet of spin-three fields. For arbitrary symmetric gauge fields, we severely constrain the possible nonabelian deformations of the gauge algebra and, using these results, prove that the BBvD obstruction cannot be cured by any means, even by introducing fields of spin higher (or lower) than three.

  15. Microsoft PowerPoint - Hydropower Meeting Dam Safety Program_20150615.pptx [Read-Only]

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantityBonneville Power Administration wouldMass map shines light on darkMicroorganisms toPalladium/28/2008HentschelValue ofMeeting Dam

  16. Brownfield reuse of dredged New York Harbor sediment by cement-based solidification/stabilization

    SciTech Connect (OSTI)

    Loest, K. [ECDC Environmental L.C., Pembroke, MA (United States). Eastern Operations; Wilk, C.M. [Portland Cement Association, Skokie, IL (United States)

    1998-12-31

    Newly effective federal regulations restrict the ocean disposal of sediments dredged from the harbors of New York and Newark. The New York Port Authority is faced with a critical situation: find land-based disposal/uses for 10`s of millions cubic yards of sediments or lose standing as a commercial port for ocean-going ships. One of the technologies now being employed to manage the sediments is portland cement-based solidification/stabilization (S/S) treatment. At least 4 million cubic yards of the sediments will undergo cement-based S/S treatment. This treatment will immobilize heavy metals, dioxin, PCBs and other organic contaminants in the sediment. The treatment changes the sediment from a environmental liability into a valuable structural fill. This structural fill is being used at two properties. The first property is an old municipal landfill in Port Newark, New Jersey. The treated sediments are being used as structural fill to cover about 20 acres of the landfill. This will allow planned redevelopment of the landfill property into a shopping mall. The second property called the Seaboard site, was the location of a coal gasification facility and later a wood preservation facility. This 160-acre property has been designated for brownfield redevelopment. Over 4 million cubic yards of treated sediments will eventually cover this site. Portland cement is the selected S/S binding reagent. Nearly 500,000 tons of cement will eventually be used to treat the sediments. Cement was selected for its ability to (a) change the peanut butter-like consistency of the sediments into a structural material and (b) to physically and chemically immobilize hazardous constituents in the sediment.

  17. Defining the scope of lender liability after Kelley v. EPA: Who will have safe harbor?

    SciTech Connect (OSTI)

    NONE

    1995-08-01

    In 1980, Congress enacted CERCLA in order to clean up toxic waste sites and identify broad classes of people who would be financially responsible for the clean-up efforts. One of these broad classes of responsible parties includes owners or operators of hazardous waste sites. This category created enormous potential for liability risk for lenders who hold title to contaminated property as collateral. Congress created a {open_quotes}safe harbor{close_quotes} exemption from liability within the definition of owners and operators in order to protect lenders who held title merely as protection of a security interest. Conflicting interpretations have caused a great deal of confusion for lending institutions. In response to fears of unlimited liability expressed by lending institutions and in consideration of the federal government`s increasing role as a secured creditor, the Environmental Protection Agency (EPA) issued a regulation in 1992 that attempted to define clearly the scope of a lender`s liability under CERCLA. This rule provided the lending community with a precise standard by which to guide their actions in order to avoid incurring liability. In Kelley v. EPA, the EPA`s regulation that attempted to clarify issues of lender liability under CERCLA was struck down by the United States Court of Appeals for the D.C. Circuit. The court held that Congress had not granted the EPA authority to promulgate regulations that would define the scope of lender liability in private party litigation. It further determined that federal courts should evaluate claims in private cost recovery actions independent of the EPA`s {open_quotes}institutional view{close_quotes}. This note postulates that the Kelley decision to invalidate the rule once again exposes lenders to unlimited liability under CERCLA by leaving them to make decisions based on an ambiguous statutory provision that has been interpreted both broadly and narrowly in the past.

  18. Atom addition reactions in interstellar ice analogues

    E-Print Network [OSTI]

    Linnartz, Harold; Fedoseev, Gleb

    2015-01-01

    This review paper summarizes the state-of-the-art in laboratory based interstellar ice chemistry. The focus is on atom addition reactions, illustrating how water, carbon dioxide and methanol can form in the solid state at astronomically relevant temperatures, and also the formation of more complex species such as hydroxylamine, an important prebiotic molecule, and glycolaldehyde, the smallest sugar, is discussed. These reactions are particularly relevant during the dark ages of star and planet formation, i.e., when the role of UV light is restricted. A quantitative characterization of such processes is only possible through dedicated laboratory studies, i.e., under full control of a large set of parameters such as temperature, atom-flux, and ice morphology. The resulting numbers, physical and chemical constants, e.g., barrier heights, reaction rates and branching ratios, provide information on the molecular processes at work and are needed as input for astrochemical models, in order to bridge the timescales t...

  19. Should we geoengineer larger ice caps?

    E-Print Network [OSTI]

    Haqq-Misra, Jacob

    2015-01-01

    The climate of Earth is susceptible to catastrophes that could threaten the longevity of human civilization. Geoengineering to reduce incoming solar radiation has been suggested as a way to mediate the warming effects of contemporary climate change, but a geoengineering program for thousands of years could also be used to enlarge the size of the polar ice caps and create a permanently cooler climate. Such a large ice cap state would make Earth less susceptible to climate threats and could allow human civilization to survive further into the future than otherwise possible. Intentionally extending Earth's glacial coverage will require uninterrupted commitment to this program for millenia but would ultimately reach a cooler equilibrium state where geoengineering is no longer needed. Whether or not this program is ever attempted, this concept illustrates the need to identify preference among potential climate states to ensure the long-term success of civilization.

  20. Large Scale Ice Water Path and 3-D Ice Water Content

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

    Liu, Guosheng

    2008-01-15

    Cloud ice water concentration is one of the most important, yet poorly observed, cloud properties. Developing physical parameterizations used in general circulation models through single-column modeling is one of the key foci of the ARM program. In addition to the vertical profiles of temperature, water vapor and condensed water at the model grids, large-scale horizontal advective tendencies of these variables are also required as forcing terms in the single-column models. Observed horizontal advection of condensed water has not been available because the radar/lidar/radiometer observations at the ARM site are single-point measurement, therefore, do not provide horizontal distribution of condensed water. The intention of this product is to provide large-scale distribution of cloud ice water by merging available surface and satellite measurements. The satellite cloud ice water algorithm uses ARM ground-based measurements as baseline, produces datasets for 3-D cloud ice water distributions in a 10 deg x 10 deg area near ARM site. The approach of the study is to expand a (surface) point measurement to an (satellite) areal measurement. That is, this study takes the advantage of the high quality cloud measurements at the point of ARM site. We use the cloud characteristics derived from the point measurement to guide/constrain satellite retrieval, then use the satellite algorithm to derive the cloud ice water distributions within an area, i.e., 10 deg x 10 deg centered at ARM site.

  1. Large Scale Ice Water Path and 3-D Ice Water Content

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

    Liu, Guosheng

    Cloud ice water concentration is one of the most important, yet poorly observed, cloud properties. Developing physical parameterizations used in general circulation models through single-column modeling is one of the key foci of the ARM program. In addition to the vertical profiles of temperature, water vapor and condensed water at the model grids, large-scale horizontal advective tendencies of these variables are also required as forcing terms in the single-column models. Observed horizontal advection of condensed water has not been available because the radar/lidar/radiometer observations at the ARM site are single-point measurement, therefore, do not provide horizontal distribution of condensed water. The intention of this product is to provide large-scale distribution of cloud ice water by merging available surface and satellite measurements. The satellite cloud ice water algorithm uses ARM ground-based measurements as baseline, produces datasets for 3-D cloud ice water distributions in a 10 deg x 10 deg area near ARM site. The approach of the study is to expand a (surface) point measurement to an (satellite) areal measurement. That is, this study takes the advantage of the high quality cloud measurements at the point of ARM site. We use the cloud characteristics derived from the point measurement to guide/constrain satellite retrieval, then use the satellite algorithm to derive the cloud ice water distributions within an area, i.e., 10 deg x 10 deg centered at ARM site.

  2. FINAL TECHNICAL REPORT AMERICAN RECOVERY AND REINVESTMENT ACT NORTH FORK SKOKOMISH POWERHOUSE AT CUSHMAN NO. 2 DAM

    SciTech Connect (OSTI)

    Fischer, Steve; Wilson, Matthew

    2013-09-30

    The objective of this project was to add generating capacity on an in-stream flow release at Tacoma Power's Cushman hydroelectric project, Cushman No. 2 Dam, FERC Project P-460. The flow that is being used to generate additional electricity was being discharged from a valve at the base of the dam without recovery of the energy. A second objective to the project was to incorporate upstream fish passage by use of a fish collection structure attached to the draft tubes of the hydroelectric units. This will enable reintroduction of native anadromous fish above the dams which have blocked fish passage since the late 1920's. The project was funded in part by the American Recovery and Reinvestment Act through the Department of Energy, Office of Energy, Efficiency and Renewable Energy, Wind and Water Power Program.

  3. Drilling deep in South Pole Ice

    E-Print Network [OSTI]

    Karg, Timo

    2014-01-01

    To detect the tiny flux of ultra-high energy neutrinos from active galactic nuclei or from interactions of highest energy cosmic rays with the microwave background photons needs target masses of the order of several hundred cubic kilometers. Clear Antarctic ice has been discussed as a favorable material for hybrid detection of optical, radio and acoustic signals from ultra-high energy neutrino interactions. To apply these technologies at the adequate scale hundreds of holes have to be drilled in the ice down to depths of about 2500 m to deploy the corresponding sensors. To do this on a reasonable time scale is impossible with presently available tools. Remote drilling and deployment schemes have to be developed to make such a detector design reality. After a short discussion of the status of modern hot water drilling we present here a design of an autonomous melting probe, tested 50 years ago to reach a depth of about 1000 m in Greenland ice. A scenario how to build such a probe today with modern technologies...

  4. Resonant vibrational energy transfer in ice Ih

    SciTech Connect (OSTI)

    Shi, L.; Li, F.; Skinner, J. L.

    2014-06-28

    Fascinating anisotropy decay experiments have recently been performed on H{sub 2}O ice Ih by Timmer and Bakker [R. L. A. Timmer, and H. J. Bakker, J. Phys. Chem. A 114, 4148 (2010)]. The very fast decay (on the order of 100 fs) is indicative of resonant energy transfer between OH stretches on different molecules. Isotope dilution experiments with deuterium show a dramatic dependence on the hydrogen mole fraction, which confirms the energy transfer picture. Timmer and Bakker have interpreted the experiments with a Förster incoherent hopping model, finding that energy transfer within the first solvation shell dominates the relaxation process. We have developed a microscopic theory of vibrational spectroscopy of water and ice, and herein we use this theory to calculate the anisotropy decay in ice as a function of hydrogen mole fraction. We obtain very good agreement with experiment. Interpretation of our results shows that four nearest-neighbor acceptors dominate the energy transfer, and that while the incoherent hopping picture is qualitatively correct, vibrational energy transport is partially coherent on the relevant timescale.

  5. A radio air shower surface detector as an extension for IceCube and IceTop

    E-Print Network [OSTI]

    J. Auffenberg; T. Gaisser; K. Helbing; T. Huege; T. Karg; A. Karle

    2007-08-24

    The IceCube neutrino detector is built into the Antarctic ice sheet at the South Pole to measure high energy neutrinos. For this, 4800 photomultiplier tubes (PMTs) are being deployed at depths between 1450 and 2450 meters into the ice to measure neutrino induced charged particles like muons. IceTop is a surface air shower detector consisting of 160 Cherenkov ice tanks located on top of IceCube. To extend IceTop, a radio air shower detector could be built to significantly increase the sensitivity at higher shower energies and for inclined showers. As air showers induced by cosmic rays are a major part of the muonic background in IceCube, IceTop is not only an air shower detector, but also a veto to reduce the background in IceCube. Air showers are detectable by radio signals with a radio surface detector. The major emission process is the coherent synchrotron radiation emitted by e+ e- shower particles in the Earths magnetic field (geosynchrotron effect). Simulations of the expected radio signals of air showers are shown. The sensitivity and the energy threshold of different antenna field configurations are estimated.

  6. IceVeto: Extended PeV neutrino astronomy in the Southern Hemisphere with IceCube

    SciTech Connect (OSTI)

    Auffenberg, Jan; Collaboration: IceCube Collaboration

    2014-11-18

    IceCube, the world's largest high-energy neutrino observatory, built at the South Pole, recently reported evidence of an astrophysical neutrino flux extending to PeV energies in the Southern Hemisphere. This observation raises the question of how the sensitivity in this energy range could be further increased. In the down-going sector, in IceCube's case the Southern Hemisphere, backgrounds from atmospheric muons and neutrinos pose a challenge to the identification of an astrophysical neutrino flux. The IceCube analysis, that led to the evidence for astrophysical neutrinos, is based on an in-ice veto strategy for background rejection. One possibility available to IceCube is the concept of an extended surface detector, IceVeto, which could allow the rejection of a large fraction of atmospheric backgrounds, primarily for muons from cosmic ray (CR) air showers as well as from neutrinos in the same air showers. Building on the experience of IceTop/IceCube, possibly the most cost-effective and sensitive way to build IceVeto is as an extension of the IceTop detector, with simple photomultiplier based detector modules for CR air shower detection. Initial simulations and estimates indicate that such a veto detector will significantly increase the sensitivity to an astrophysical flux of ?{sub ?} induced muon tracks in the Southern Hemisphere compared to current analyses. Here we present the motivation and capabilities based on initial simulations. Conceptual ideas for a simplified surface array will be discussed briefly.

  7. ORIGINAL PAPER Sedimentary pellets as an ice-cover proxy in a High Arctic

    E-Print Network [OSTI]

    Vincent, Warwick F.

    ORIGINAL PAPER Sedimentary pellets as an ice-cover proxy in a High Arctic ice-covered lake Jessica-cover extent and dynamics on this perennially ice-covered, High Arctic lake. These pellets are interpreted growth. The pellets remain frozen in the ice until a summer or series of summers with reduced ice cover

  8. Glacial conditions that contribute to the regeneration of Fountain Glacier proglacial icing, Bylot Island, Canada

    E-Print Network [OSTI]

    Moorman, Brian

    Glacial conditions that contribute to the regeneration of Fountain Glacier proglacial icing, Bylot icings are one of the most common forms of extrusive ice found in the Canadian Arctic. However, the icing. Its regeneration depends on the availability of subglacial water and on the balance between ice

  9. Evaluation of the water quality in the releases from thirty dams in the Tennessee River Valley

    SciTech Connect (OSTI)

    Butkus, S.R.

    1990-09-01

    The Tennessee Valley Authority (TVA) has routinely monitored dissolved oxygen (DO) and temperature from the tailwater releases of its dams since the 1950s. The original objective of this monitoring was to collect baseline information to support reaeration research and determine the relative impact of impoundments on the assimilative capacity of the river system. This monitoring has continued even though the original objective was satisfied. New purposes for this monitoring data have arisen in support of several programs, without new consideration of the monitoring strategy and sampling design. The primary purpose of this report is to compare the historical release data for 30 dams in the Tennessee Valley based on four different objectives: (1) comparison of seasonal patterns, (2) comparison of baseline conditions using descriptive statistics, (3) evaluation of monotonic trends, and (4) discussion of monitoring strategies that might be required to determine compliance with existing and proposed criteria. A secondary purpose of the report is to compile the existing database into tables and figures that would be useful for other investigators. 51 refs., 210 figs., 1 tab.

  10. An integration of aeromagnetic and electrical resistivity methods in dam site investigation

    SciTech Connect (OSTI)

    Aina, A. [Univ. of Lagos (Nigeria). Dept. of Physics] [Univ. of Lagos (Nigeria). Dept. of Physics; Olorunfemi, M.O. [Obafemi Awolowo Univ., Ile-Ife (Nigeria). Dept. of Geology] [Obafemi Awolowo Univ., Ile-Ife (Nigeria). Dept. of Geology; Ojo, J.S. [Federal Univ. of Technology, Akure (Nigeria). Dept. of Applied Geophysics] [Federal Univ. of Technology, Akure (Nigeria). Dept. of Applied Geophysics

    1996-03-01

    Aeromagnetic map and electrical resistivity sounding data obtained along eight traverses were examined at two sites across the Katsina-Ala River. The principal goals of this exercise were to define depths to the bedrock, bedrock relief, geologic structures, define the nature of the superficial deposit, and select probable minor and major axes for hydroelectric power dams. The aeromagnetic map shows that the basement rocks trend roughly northeast-southwest, which correlates with the strike of foliation measurements made on rock outcrops along the river channel. A network of cross cutting lineaments, suspected to be faults/fractures that trend approximately northeast/southwest and northwest/southeast, was also delineated from the magnetic map. The depths to the bedrock estimated from resistivity depth sounding data at site 1 generally vary from 1--53.1 m. Depths to the bedrock estimated at site 2 range from 1.9--19.5 m. The superficial deposit varies from clay to sandy clay, to clayey sand (with boulders in places), and to sand and laterite. The bedrock relief is relatively flat and gently undulates along most of the traverses, with an overall dip towards the river channel. Traverses E-F or I-J at site 1 and K-L at site 2 are probable dame axes. These traverses are characterized by relatively thin overburden thicknesses and rock heads dipping toward the river channel, thereby reducing the likelihood of water seepages from the flanks of the proposed dam axes.

  11. Water Velocity Measurements on a Vertical Barrier Screen at the Bonneville Dam Second Powerhouse

    SciTech Connect (OSTI)

    Hughes, James S.; Deng, Zhiqun; Weiland, Mark A.; Martinez, Jayson J.; Yuan, Yong

    2011-11-22

    Fish screens at hydroelectric dams help to protect rearing and migrating fish by preventing them from passing through the turbines and directing them towards the bypass channels by providing a sweeping flow parallel to the screen. However, fish screens may actually be harmful to fish if they become impinged on the surface of the screen or become disoriented due to poor flow conditions near the screen. Recent modifications to the vertical barrier screens (VBS) at the Bonneville Dam second powerhouse (B2) intended to increase the guidance of juvenile salmonids into the juvenile bypass system (JBS) have resulted in high mortality and descaling rates of hatchery subyearling Chinook salmon during the 2008 juvenile salmonid passage season. To investigate the potential cause of the high mortality and descaling rates, an in situ water velocity measurement study was conducted using acoustic Doppler velocimeters (ADV) in the gatewell slot at Units 12A and 14A of B2. From the measurements collected the average approach velocity, sweep velocity, and the root mean square (RMS) value of the velocity fluctuations were calculated. The approach velocities measured across the face of the VBS varied but were mostly less than 0.3 m/s. The sweep velocities also showed large variances across the face of the VBS with most measurements being less than 1.5 m/s. This study revealed that the approach velocities exceeded criteria recommended by NOAA Fisheries and Washington State Department of Fish and Wildlife intended to improve fish passage conditions.

  12. Proceedings of the 1998 USCOLD Annual Lecture, Buffalo, New York. August 1998 PORTFOLIO RISK ASSESSMENT: A TOOL FOR DAM SAFETY RISK MANAGEMENT

    E-Print Network [OSTI]

    Bowles, David S.

    ASSESSMENT: A TOOL FOR DAM SAFETY RISK MANAGEMENT David S. Bowles1 , Loren R. Anderson2 , Terry F. Glover3 on to provide the basis for an effective and efficient program for managing and reducing dam safety risksProceedings of the 1998 USCOLD Annual Lecture, Buffalo, New York. August 1998 PORTFOLIO RISK

  13. Ising model for melt ponds on Arctic sea ice

    E-Print Network [OSTI]

    Ma, Y -P; Golden, K M

    2014-01-01

    The albedo of melting Arctic sea ice, a key parameter in climate modeling, is determined by pools of water on the ice surface. Recent observations show an onset of pond complexity at a critical area of about 100 square meters, attended by a transition in pond fractal dimension. To explain this behavior and provide a statistical physics approach to sea ice modeling, we introduce a two dimensional Ising model for pond evolution which incorporates ice-albedo feedback and the underlying thermodynamics. The binary magnetic spin variables in the Ising model correspond to the presence of melt water or ice on the sea ice surface. The model exhibits a second-order phase transition from isolated to clustered melt ponds, with the evolution of pond complexity in the clustered phase consistent with the observations.

  14. Libby Mitigation Program, 2007 Annual Progress Report: Mitigation for the Construction and Operation of Libby Dam.

    SciTech Connect (OSTI)

    Dunnigan, James; DeShazer, J.; Garrow, L.

    2009-05-26

    Libby Reservoir was created under an International Columbia River Treaty between the United States and Canada for cooperative water development of the Columbia River Basin (Columbia River Treaty 1964). Libby Reservoir inundated 109 stream miles of the mainstem Kootenai River in the United States and Canada, and 40 miles of tributary streams in the U.S. that provided habitat for spawning, juvenile rearing, and migratory passage (Figure 1). The authorized purpose of the dam is to provide power (91.5%), flood control (8.3%), and navigation and other benefits (0.2%; Storm et al. 1982). The Pacific Northwest Power Act of 1980 recognized possible conflicts stemming from hydroelectric projects in the northwest and directed Bonneville Power Administration to 'protect, mitigate, and enhance fish and wildlife to the extent affected by the development and operation of any hydroelectric project of the Columbia River and its tributaries' (4(h)(10)(A)). Under the Act, the Northwest Power Planning Council was created and recommendations for a comprehensive fish and wildlife program were solicited from the region's federal, state, and tribal fish and wildlife agencies. Among Montana's recommendations was the proposal that research be initiated to quantify acceptable seasonal minimum pool elevations to maintain or enhance the existing fisheries (Graham et al. 1982). Research to determine how operations of Libby Dam affect the reservoir and river fishery and to suggest ways to lessen these effects began in May 1983. The framework for the Libby Reservoir Model (LRMOD) was completed in 1989. Development of Integrated Rule Curves (IRCs) for Libby Dam operation was completed in 1996 (Marotz et al. 1996). The Libby Reservoir Model and the IRCs continue to be refined (Marotz et al 1999). Initiation of mitigation projects such as lake rehabilitation and stream restoration began in 1996. The primary focus of the Libby Mitigation project now is to restore the fisheries and fish habitat in basin streams and lakes. 'Mitigation for the Construction and Operation of Libby Dam' is part of the Northwest Power and Conservation Council's (NPCC) resident fish and wildlife program. The program was mandated by the Northwest Planning Act of 1980, and is responsible for mitigating damages to fish and wildlife caused by hydroelectric development in the Columbia River Basin. The objective of Phase I of the project (1983 through 1987) was to maintain or enhance the Libby Reservoir fishery by quantifying seasonal water levels and developing ecologically sound operational guidelines. The objective of Phase II of the project (1988 through 1996) was to determine the biological effects of reservoir operations combined with biotic changes associated with an aging reservoir. The objectives of Phase III of the project (1996 through present) are to implement habitat enhancement measures to mitigate for dam effects, to provide data for implementation of operational strategies that benefit resident fish, monitor reservoir and river conditions, and monitor mitigation projects for effectiveness. This project completes urgent and high priority mitigation actions as directed by the Kootenai Subbasin Plan.

  15. Hydroacoustic Evaluation of Juvenile Salmonid Passage and Distribution at Detroit Dam, 2011

    SciTech Connect (OSTI)

    Khan, Fenton; Royer, Ida M.; Johnson, Gary E.; Ham, Kenneth D.

    2012-11-15

    Pacific Northwest National Laboratory evaluated juvenile salmonid passage and distribution at Detroit Dam (DET) on the North Santiam River, Oregon for the U.S. Army Corps of Engineers (USACE) to provide data to support decisions on long-term measures to enhance downstream passage at DET and others dams in USACE’s Willamette Valley Project. This study was conducted in response to regulatory requirements necessitated by the listing of Upper Willamette River Spring Chinook salmon (Oncorhynchus tshawytscha) and Upper Willamette River steelhead (O. mykiss) as threatened under the Endangered Species Act. The goal of the study was to provide information of juvenile salmonid passage and distribution at DET from February 2011 through February 2012. The results of the hydroacoustic study provide new and, in some cases, first-ever data on passage estimates, run timing, distributions, and relationships between fish passage and environmental variables at the dam. This information will inform management decisions on the design and development of surface passage and collection devices to help restore Chinook salmon populations in the North Santiam River watershed above DET. During the entire study period, an estimated total of 182,526 smolt-size fish (±4,660 fish, 95% CI) passed through turbine penstock intakes. Run timing peaked in winter and early spring months. Passage rates were highest during late fall, winter and early spring months and low during summer. Horizontal distribution for hours when both turbine units were operated simultaneously indicated Unit 2 passed almost twice as much fish as Unit 1. Diel distribution for smolt-size fish during the study period was fairly uniform, indicating fish were passing the turbines at all times of the day. A total of 5,083 smolt-size fish (± 312 fish, 95% CI) were estimated passed via the spillway when it was open between June 23 and September 27, 2011. Daily passage was low at the spillway during the June-August period, and increased somewhat in September 2011. When the spillway was operated simultaneously with the turbines, spillway efficiency (efficiency is estimated as spillway passage divided by total project passage) was 0.72 and effectiveness (fish:flow ratio—proportion fish passage at a route (e.g., spillway) divided by proportion water through that route out of the total project) was 2.69. That is, when the spillway was open, 72% of the fish passing the dam used the spillway and 28% passed into the turbine penstocks. Diel distribution for smolt-size fish at the spillway shows a distinct peak in passage between mid-morning and mid-afternoon and low passage at night. We estimated that 23,339 smolt-size fish (± 572 fish, 95% CI) passed via the Regulating Outlet (RO) when it was open from October 29 through November 12, 2011, January 2-6, and January 20 through February 3, 2012. During the October–November period, RO passage peaked at 1,086 fish on November 5, with a second peak on November 7 (1,075 fish). When the RO was operated simultaneously with the turbines, RO efficiency was 0.33 and effectiveness was 0.89. In multiple regression analyses, a relatively parsimonious model was selected that predicted the observed fish passage data well. The best model included forebay temperature at depth, forebay elevation, total discharge, hours of daylight, and the operation period. The vertical distribution of fish in the forebay near the face of the dam where the transducers sampled showed fish were generally distributed throughout the water column during all four operational periods. During the refill and full pool periods, vertical distribution was bi-modal with surface-layer and mid-water modes. Patterns for day and night distributions were variable. Fish were distributed above and below the thermocline when it was present (full pool and drawdown periods).

  16. Meltwater effects on flow of Greenland's ice sheet less severe...

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

    Side effects of increasing meltwater less severe than feared Meltwater effects on flow of Greenland's ice sheet less severe for sea level rise than earlier feared, scientists...

  17. Sandia Energy - NASA Award for Marginal Ice Zone Observations...

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

    NASA Award for Marginal Ice Zone Observations and Process Experiment (MIZOPEX) Home Climate Office of Science News News & Events Research & Capabilities Monitoring Analysis...

  18. optimal initial conditions for coupling ice sheet models to earth...

    Office of Scientific and Technical Information (OSTI)

    optimal initial conditions for coupling ice sheet models to earth system models Perego, Mauro Sandia National Laboratories Sandia National Laboratories; Price, Stephen F. Dr...

  19. THE STICKINESS OF MICROMETER-SIZED WATER-ICE PARTICLES

    SciTech Connect (OSTI)

    Gundlach, B.; Blum, J.

    2015-01-01

    Water ice is one of the most abundant materials in dense molecular clouds and in the outer reaches of protoplanetary disks. In contrast to other materials (e.g., silicates), water ice is assumed to be stickier due to its higher specific surface energy, leading to faster or more efficient growth in mutual collisions. However, experiments investigating the stickiness of water ice have been scarce, particularly in the astrophysically relevant micrometer-sized region and at low temperatures. In this work, we present an experimental setup to grow aggregates composed of ?m-sized water-ice particles, which we used to measure the sticking and erosion thresholds of the ice particles at different temperatures between 114 K and 260 K. We show with our experiments that for low temperatures (below ?210 K), ?m-sized water-ice particles stick below a threshold velocity of 9.6 m s{sup –1}, which is approximately 10 times higher than the sticking threshold of ?m-sized silica particles. Furthermore, erosion of the grown ice aggregates is observed for velocities above 15.3 m s{sup –1}. A comparison of the experimentally derived sticking threshold with model predictions is performed to determine important material properties of water ice, i.e., the specific surface energy and the viscous relaxation time. Our experimental results indicate that the presence of water ice in the outer reaches of protoplanetary disks can enhance the growth of planetesimals by direct sticking of particles.

  20. Basal melt rates beneath Whillans Ice Stream, West Antarctica

    E-Print Network [OSTI]

    Beem, Lucas H.; Jezek, Ken C.; van der Veen, Cornelis J.

    2010-08-05

    and J.E. Mitchell. 1994. The role of the margins in the dynamics of an active ice stream. J. Glaciol., 40(136), 527–538. Engelhardt, H. 2004a. Ice temperature and high geothermal flux at Siple Dome, West Antarctica, from borehole measurements. J. Glaciol... ratio which varies laterally across the shear margin. Basal drag, ?b, basal velocity, U(b), basal temperature gradient, @T/@z(b), esti- mates of geothermal flux, G, plus knowledge of basal ice properties, density, ?, latent heat of fusion of ice, Li...