Sample records for aspen populus tremuloides

  1. Responses of trembling aspen (Populus tremuloides) phytochemistry and aspen blotch leafminer (Phyllonorycter

    E-Print Network [OSTI]

    Responses of trembling aspen (Populus tremuloides) phytochemistry and aspen blotch leafminer of Wisconsin, Madison, WI 53706, U.S.A. Abstract 1 This research was conducted at the Aspen FACE (Free Air CO2 Enrichment) site located in northern Wisconsin, U.S.A. where trembling aspen (Populus tremuloides Michaux

  2. Adaptations of quaking aspen (Populus tremuloides Michx.) for defense against herbivores

    E-Print Network [OSTI]

    Scharer, John E.

    Adaptations of quaking aspen (Populus tremuloides Michx.) for defense against herbivores Richard L 2013 Keywords: Aspen decline Fire Herbivory Phytochemistry Plant­animal interactions Populus tremuloides a b s t r a c t Quaking aspen (Populus tremuloides) is a quintessential ``foundation species

  3. Establishment, Persistence, and Growth of Aspen (Populus tremuloides) Seedlings in Yellowstone National Park

    E-Print Network [OSTI]

    Turner, Monica G.

    Establishment, Persistence, and Growth of Aspen (Populus tremuloides) Seedlings in Yellowstone by the Ecological Society of America ESTABLISHMENT, PERSISTENCE, AND GROWTH OF ASPEN (POPULUS TREMULOIDES aspen (Populus tremuloides Michx.) is a long-lived clonal species in which many genetically identical

  4. Research Note Extent of Stem Dieback in Trembling Aspen (Populus tremuloides) as an Indicator of

    E-Print Network [OSTI]

    Northern British Columbia, University of

    Research Note Extent of Stem Dieback in Trembling Aspen (Populus tremuloides) as an Indicator aspen (Populus tremuloides Michx.) could be used to determine the time of browsing during the growing season. Two hundred naturally growing aspen saplings of similar size and form were randomly selected

  5. Aspen (Populus tremuloides) stands and their contribution to plant diversity in a semiarid coniferous landscape

    E-Print Network [OSTI]

    Tate, Kenneth

    Aspen (Populus tremuloides) stands and their contribution to plant diversity in a semiarid a field study to determine the relative contributions of aspen (Populus tremuloides), meadow, and conifer aspen, conifer, and meadow commu- nities across a 10,000-km2 region. We statistically investigated

  6. Spring leaf flush in aspen (Populus tremuloides) clones is altered by long-term growth at elevated carbon dioxide and elevated ozone concentration

    E-Print Network [OSTI]

    Spring leaf flush in aspen (Populus tremuloides) clones is altered by long-term growth at elevated2] and suppressed by elevated [O3] in aspen (Populus tremuloides). a r t i c l e i n f o Article Populus tremuloides (aspen) canopy. This work was done at the Aspen FACE experiment where aspen clones

  7. Interacting elevated CO2 and tropospheric O3 predisposes aspen (Populus tremuloides Michx.) to infection by rust

    E-Print Network [OSTI]

    Noormets, Asko

    Interacting elevated CO2 and tropospheric O3 predisposes aspen (Populus tremuloides Michx on the occurrence and severity of aspen leaf rust (Melampsora medusae Thuem. f. sp. tremuloidae) on trembling aspen with either O3 alone or CO2 O3 depending on aspen clone. Examination of leaf surface properties (wax ap

  8. Impacts of elevated CO2 and/or O3 on leaf ultrastructure of aspen (Populus tremuloides) and birch (Betula papyrifera) in the Aspen

    E-Print Network [OSTI]

    Impacts of elevated CO2 and/or O3 on leaf ultrastructure of aspen (Populus tremuloides) and birch (Betula papyrifera) in the Aspen FACE experiment E. Oksanena, *, J. Soberb , D.F. Karnoskyb a University ozone and CO2 concentrations had varying effects on leaf ultrastructure of aspen and birch. Abstract

  9. aspen populus tremuloides: Topics by E-print Network

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

    Design of Linear Energy Storage, Conversion and Utilization Websites Summary: Stirling Engines Final Report E FILE COpy I DO NOT | REMOVE Report Prepared by ASPEN SYSTEMS,...

  10. Trembling aspen Current Figure S9a. Projected habitat of trembling aspen (Populus tremuloides Michaux). The left image

    E-Print Network [OSTI]

    Hamann, Andreas

    Trembling aspen ­ Current Figure S9a. Projected habitat of trembling aspen (Populus-2006 Recent Average1961-1990 Climate Normal #12;Trembling aspen ­ 2020s Figure S9b. Projected habitat of trembling aspen for the 2011­2040 normal period according to 18 climate change

  11. Stockability, growth, and yield of the circumboreal aspens (`populus tremuloides` michx., `p. tremula` l.). Forest Service research paper

    SciTech Connect (OSTI)

    Perala, D.A.; Leary, R.A.; Cieszewski, C.J.

    1995-01-10T23:59:59.000Z

    The authors show elsewhere that quaking aspen (Populus tremuloides Michx.) and its Eurasian counterpart, P. tremula L., form a single circumpolar superspecies when viewed from the standpoint of self-thinning rates and stockability. Here the authors expand their examination to the d.b.h.-age relationships and to growth series measurements from permanent plots of aspen stands of varying densities reported in the literature. They also attempt to account for the curvilinear trend in the self-thinning relationship they detected in young stands that forced them in their first analysis to truncate their usable data set to older stands. The resulting equations satisfy the need for a framework to study variation in aspen stockability. The equations can give useful regional estimates as well, but will need refitting to local data to satisfy needs for finer resolution.

  12. Consequences of elevated carbon dioxide and ozone for foliar chemical composition and dynamics in trembling aspen (Populus

    E-Print Network [OSTI]

    in trembling aspen (Populus tremuloides) and paper birch (Betula papyrifera) Richard L. Lindrotha, *, Brian J on foliar chem- istry of quaking aspen (Populus tremuloides) and paper birch (Betula papyrifera) at a Free concentrations in aspen and birch; O3 only marginally reduced nitrogen concentrations. NREs were unaffected

  13. Sexual reproduction of European aspen (Populus tremula L.) at prescribed burned site: the effects

    E-Print Network [OSTI]

    Helsinki, University of

    -1 Sexual reproduction of European aspen (Populus tremula L.) at prescribed burned site September 2005 Key words: Boreal forest, European aspen, Prescribed burning, Seed ecology, Seedbed conditions, Seedling emergence and survival Abstract. Aspen (Populus tremula) is capable of reproducing both

  14. aspen cancer conference: Topics by E-print Network

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

    Biology and Medicine Websites Summary: September 2012 ? The Botanical Society of Japan and Springer Japan 2012 Abstract Aspen (Populus tremuloides demonstrated that the...

  15. A generalized logistic model of individual tree mortality for aspen, white spruce, and lodgepole

    E-Print Network [OSTI]

    Macdonald, Ellen

    A generalized logistic model of individual tree mortality for aspen, white spruce, and lodgepole: A generalized logistic model of individual tree mortality was developed for trembling aspen (Populus tremuloides aspen (Populus tremuloides Michx), white spruce (Picea glauca (Moench) Voss), and lodgepole pine (Pinus

  16. ORIGINAL PAPER Growth and frost hardening of European aspen

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    ORIGINAL PAPER Growth and frost hardening of European aspen and backcross hybrid aspen) supply influence the growth, bud phenology and frost hardening of seven young European aspen (Populus tremula) and backcross hybrid aspen ([P. tremula × Populus tremuloides] × P. tremula) families. & Results

  17. Stem wood properties of Populus tremuloides, Betula papyrifera and Acer saccharum saplings after 3 years of

    E-Print Network [OSTI]

    years of treatments to elevated carbon dioxide and ozone S E I J A K A A K I N E N *1 , K AT R I K O the Earth's surface (IPCC, 2001). Carbon dioxide (CO2) is the dominant human-influenced greenhouse gasStem wood properties of Populus tremuloides, Betula papyrifera and Acer saccharum saplings after 3

  18. Regenerating Quaking Aspen1 On A Site Dominated By

    E-Print Network [OSTI]

    Regenerating Quaking Aspen1 On A Site Dominated By Buckthorn2 In Upper Michigan: A Case Study-stocked or aging stands of quaking aspen (Populus tremuloides) in Upper Michigan can be infested by the exotic-out competitors. Given aspen's sensitivity to shade, buckthorn threatens to reduce aspen sucker density and vigor

  19. Genetic adaptation of aspen (Populus tremuloides) populations to spring risk

    E-Print Network [OSTI]

    Hamann, Andreas

    in populations from the central boreal plains of Saskatchewan and Alberta, and populations from Minnesota exhibit therefore caution against long- distance seed transfer of Minnesota provenances to the boreal plains exigences e´leve´es en sommes de tempe´rature ont e´te´ note´es pour les popula- tions des plaines bore

  20. Independent Activation of Cold Acclimation by Low Temperature and Short Photoperiod in Hybrid Aspen1

    E-Print Network [OSTI]

    Palva, Tapio

    Independent Activation of Cold Acclimation by Low Temperature and Short Photoperiod in Hybrid Aspen hybrid aspen (Populus tremula Populus tremuloides Michx.) line 22 overexpressing the oat (Avena sativaA in daylength sensing of woody plants. Overexpression of oat (Avena sativa) phyA gene (PHYA) in hybrid aspen

  1. University of Alberta Adaptation of trembling aspen and hybrid poplars to frost

    E-Print Network [OSTI]

    Hamann, Andreas

    University of Alberta Adaptation of trembling aspen and hybrid poplars to frost and drought performance and survival of hybrid poplars (Populus spp.) and trembling aspen (Populus tremuloides Michx these two plant groups. The results showed that trembling aspen is more resistant to drought stress and more

  2. Genetic variation and conservation of the native aspen (Populus tremula L.) resource in Scotland 

    E-Print Network [OSTI]

    Easton, Eric P

    Increased interest in native woodlands has exposed gaps in our knowledge of our native species. Aspen (Populus tremula L.), one such species, is of considerable conservation value though has been subject to very little previous research...

  3. USDA Forest Service Proceedings RMRS-P-18. 2001. 441 Summary: Aspen Decline in the West?

    E-Print Network [OSTI]

    USDA Forest Service Proceedings RMRS-P-18. 2001. 441 Summary: Aspen Decline in the West? Dennis H. Knight1 No other tree in the Rocky Mountain region is more highly valued for its amenities than aspen (Populus tremuloides). In Colorado, New Mexico, Arizona, and southern Utah, aspen covers entire mountain

  4. LAKE STATES AS~EN REPORT NO. 7 .. MECHANICAL PROPERTIES. .OF ASPEN

    E-Print Network [OSTI]

    _.j LAKE STATES AS~EN REPORT NO. 7 .·. MECHANICAL PROPERTIES. .OF ASPEN BY R. P. A. JOHNSON been. increasing interest in aspen ,(Populus tremuloides) in the Lak.~ Stat-es,, its availability and supp;Ly, properties and ,uses, and management. Aspen is a tree of primary importance in , 20 million

  5. Response of quaking aspen genotypes to enriched CO2: foliar chemistry and tussock moth performance

    E-Print Network [OSTI]

    Response of quaking aspen genotypes to enriched CO2: foliar chemistry and tussock moth performance of atmospheric CO2 and quaking aspen (Populus tremuloides Michx.) genotype on chemical composition of foliage at the Aspen FACE (Free Air CO2 Enrichment) site in northern Wisconsin, U.S.A. Leaf samples were collected

  6. Research article Post-fire aspen seedling recruitment across the Yellowstone (USA)

    E-Print Network [OSTI]

    Turner, Monica G.

    Research article Post-fire aspen seedling recruitment across the Yellowstone (USA) Landscape Monica extrapolation, Spatial heterogeneity Abstract Landscape patterns of quaking aspen (Populus tremuloides) seedling surveyed for aspen seedlings on the sub- alpine plateau of the Park, along gradients of elevation

  7. Rising concentrations of atmospheric CO2 have increased growth in natural stands of quaking aspen

    E-Print Network [OSTI]

    Waller, Donald M.

    Rising concentrations of atmospheric CO2 have increased growth in natural stands of quaking aspen of climate change. Recent large-scale experiments with quaking aspen (Populus tremuloides), a dominant production. Field studies also reveal that droughts contribute to extensive aspen mortality. To complement

  8. Post-glacial biogeography of trembling aspen inferred from genetic structure, genetic diversity, and habitat models

    E-Print Network [OSTI]

    Hamann, Andreas

    1 Post-glacial biogeography of trembling aspen inferred from genetic structure, genetic diversity title: Aspen post-glacial migration history Keywords: Populus tremuloides, species distribution models, phylogeography, genetic diversity, glacial refugia, aspen clones, Pando Length: Abstract: 250 words Main text

  9. Propagation of trembling aspen and hybrid poplar for agroforestry: potential benefits of elevated CO2 in the greenhouse

    E-Print Network [OSTI]

    Macdonald, Ellen

    Propagation of trembling aspen and hybrid poplar for agroforestry: potential benefits of elevated of Populus tremuloides Michaux aspen and hybrid poplars for agroforestry, afforestation, or rec- lamation- similation and water-use-efficiency. Aspen clones selected for superior growth based on phenotypic selection

  10. USDA Forest Service Proceedings RMRS-P-18. 2001. 185 Do Pine Trees in Aspen Stands Increase

    E-Print Network [OSTI]

    USDA Forest Service Proceedings RMRS-P-18. 2001. 185 Do Pine Trees in Aspen Stands Increase Bird Hills of South Dakota, quaking aspen (Populus tremuloides) is being replaced by conifers through fire (primarily ponderosa pine [Pinus ponderosa]) to increase the aspen communities in some mixed stands, Forest

  11. Acute O3 damage on first year coppice sprouts of aspen and maple sprouts in an open-air experiment

    E-Print Network [OSTI]

    Acute O3 damage on first year coppice sprouts of aspen and maple sprouts in an open-air experiment) concentration (110­490 nmol molÀ1 ) on regenerating aspen (Populus tremuloides) and maple (Acer saccharum) trees to examine the effects of acute O3 exposure on aspen and maple sprouts after the parent trees, which were

  12. aspen populus tremula: Topics by E-print Network

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

    Design of Linear Energy Storage, Conversion and Utilization Websites Summary: Stirling Engines Final Report E FILE COpy I DO NOT | REMOVE Report Prepared by ASPEN SYSTEMS,...

  13. Aspen, Elk, and Fire in Northern Yellowstone Park Author(s): William H. Romme, Monica G. Turner, Linda L. Wallace, Jennifer S. Walker

    E-Print Network [OSTI]

    Turner, Monica G.

    Aspen, Elk, and Fire in Northern Yellowstone Park Author(s): William H. Romme, Monica G. Turner of America ASPEN, ELK, AND FIRE IN NORTHERN YELLOWSTONE NATIONAL PARK1 WILLIAM H. ROMME Department of Biology, Montana 59011 USA Abstract. Most stands of trembling aspen (Populus tremuloides) in northern Yellow- stone

  14. Kimball T. Harper, John D. Shane, and John R. Jones Quaking aspen, or trembling aspen (Populus tremu-

    E-Print Network [OSTI]

    TAXONOMY Kimball T. Harper, John D. Shane, and John R. Jones Quaking aspen, or trembling aspen order to the variability by subdividing it taxonomically. Quahng aspen has been subdivided by various). However, Little (1953, 1979) recognized quaking aspen as a single heterogeneous species without

  15. A simple and efficient transient transformation for hybrid aspen (Populus tremula × P. tremuloides)

    E-Print Network [OSTI]

    Takata, Naoki; Eriksson, Maria E

    2012-08-07T23:59:59.000Z

    localization pattern and served as a Golgi marker [33,35,36]. Therefore, the transient transformation protocol results showed reliability with respect to sub- cellular localization of the proteins selected to test tar- geting to various cell compartments. Co... and placed under 18 h light (20 ?mol m-2 s-1)/6 h dark; 22°C/ 22°C condi- tion, light provided from red (660 nm) and blue (470 nm) light-emitting diodes (LEDs, MD Electronics, UK). Expres- sion levels reflected by emitted photons were monitored using an ORCA...

  16. A Pleistocene Clone of Palmer’s Oak Persisting in Southern California

    E-Print Network [OSTI]

    May, Michael R; Provence, Mitchell C; Sanders, Andrew C; Ellstrand, Norman C; Ross-Ibarra, Jeffrey

    2009-01-01T23:59:59.000Z

    in western North American aspen (Populus tremuloides).genetic evidence of a giant aspen clone in central Utah.

  17. Allometric biomass estimators for aspen-dominated ecosystems in the upper Great Lakes. Forest Service research paper

    SciTech Connect (OSTI)

    Perala, D.A.; Alban, D.H.

    1994-01-01T23:59:59.000Z

    The authors recently described the climate, geology, soils, and the biotic structure and dynamics of four contrasting ecosystems dominated by quaking and bigtooth aspen (Populus tremuloides and P. grandidentata). Other papers describe how those ecosystems responded to perturbation. Common to most of those papers were biomass estimates for the tree and shrub layers. The authors derived the estimators from weight and dimensional analysis of a subsample of stems measured on sample plots. They found much variability among sites that could not be adequately explained by stand or soils data. These equations should be useful in estimating woody plant components of similar forests on upland soils in the Upper Great Lakes region.

  18. ROCKY MOUNTAIN ASPEN FOREST AND WOODLAND extent exaggerated for display

    E-Print Network [OSTI]

    ROCKY MOUNTAIN ASPEN FOREST AND WOODLAND R.Rondeau extent exaggerated for display POPULUS. The herbaceous layers may be lush and diverse. Common graminoids may include Bromus ROCKY MOUNTAIN ASPEN WOODLAND

  19. Sixty years of change in tree numbers and basal area in central Utah Aspen stands. Forest Service research paper

    SciTech Connect (OSTI)

    Mueggler, W.F.

    1994-10-01T23:59:59.000Z

    Plots established in 1913-14 in three separate aspen (Populus tremuloides Michx.) stands on the Wasatch Plateau in central Utah were inventoried at irregular intervals over a 64-year period. The data indicate that (1) stem numbers declined continuously as the stands aged; (2) an inverse relationship existed between aspen site quality and stem numbers in middle age stands; (3) basal area peaked probably sometime around 80 years of age and declined appreciably by age 100; (4) greatest subsequent mortality in middle age stands was those stems in diameter size classes smaller than the mode; and (5) stands thinned between the ages of 40 and 70 contained more but smaller stems at maturity and greater total basal area than those not thinned.

  20. Ecosystem carbon dioxide fluxes after disturbance in forests of North America

    E-Print Network [OSTI]

    2010-01-01T23:59:59.000Z

    water balances of a boreal aspen forest, 1994–2003, Globalbanksiana) and trembling aspen (Populus tremuloides). Theranging from jack pine to aspen and maple?basswood? ash (

  1. Influence of stand age on the magnitude and seasonality of carbon fluxes in Canadian forests

    E-Print Network [OSTI]

    2012-01-01T23:59:59.000Z

    productivity of a boreal aspen forest during and followingarea index of a boreal aspen-hazelnut forest in relation toPursh), TA: trembling aspen (Populus tremuloides Michx. ),

  2. Dynamics of regeneration gaps following harvest of aspen stands

    E-Print Network [OSTI]

    Macdonald, Ellen

    Dynamics of regeneration gaps following harvest of aspen stands Daniel A. MacIsaac, Philip G in postharvest regeneration in five stands in north- western Alberta dominated by trembling aspen (Populus conditions in 30 aspen regeneration gaps (gaps in regeneration that were not gaps preharvest and were not due

  3. Hypoxylon mammatum toxins: possible involvement in canker development on aspen

    E-Print Network [OSTI]

    Boyer, Edmond

    Hypoxylon mammatum toxins: possible involvement in canker development on aspen I. Genetet1 J. Pinon a stem canker on aspen (Populus tremula) and on some poplars of the Taca- hamaca section (Pinon, 1976 inhibited callus formation in wounds on aspen bark. Schipper (1978) and Ster- mer et aL, (1984) confirmed

  4. Aspen, Elk, and Fire in Northern Yellowstone Park William H. Romme; Monica G. Turner; Linda L. Wallace; Jennifer S. Walker

    E-Print Network [OSTI]

    Turner, Monica G.

    Aspen, Elk, and Fire in Northern Yellowstone Park William H. Romme; Monica G. Turner; Linda L of America ASPEN, ELK, AND FIRE IN NORTHERN YELLOWSTONE NATIONAL PARK1 WILLIAMH. ROMME Depu~trnent of B WALKER ALUConrlrltrr~g,Brg Tnnher. Monruilu 5901I USA Abstract. Most stands of trembling aspen (Populus

  5. TREE AND SHRUB SPECIES LIST FOR PINGREE PARK REGION Abies 1asiocarpa

    E-Print Network [OSTI]

    with overlapping scales - Catkins drooping 11. Populus tremuloides - quaking aspen (SALICACEAE) - Petiole flattened drooping 12. Prunus virginiana - chokecherry (ROSACEAE) - Simple leaves, serrate margins with teeth

  6. fakta skog8 2013 Rn frn Sveriges lantbruksuniversitet HybridaspenharodlatsiSverigeilitenskalapskogs-

    E-Print Network [OSTI]

    ) mellan den europeiska aspen (Populus tremula L.) och den amerikan- ska aspen (Populus tremuloides Michx.) beskrevs 1929 av Wettstein (1933). Den europeiska aspen är ett av de träd som har den största naturliga Norge med svag växt upp till latitud 70º N. Den amerikanska aspen är den mest utbredda trädarten i

  7. The Influence of Chemistry, Production and Community

    E-Print Network [OSTI]

    and their interaction on leaf litter chemistry and decomposition in pure stands of aspen (Populus tremuloides) and mixed stands of birch (Betula pa- pyrifera) and aspen at the Aspen Free Air CO2 Enrichment (FACE) experiment in the second year. For aspen litter but not mixed birch-aspen litter, decomposition rates were negatively

  8. VAX/ASPEN installation guide

    SciTech Connect (OSTI)

    Williams, K.E.

    1984-11-01T23:59:59.000Z

    Information necessary to install the ASPEN computerized simulation program on the VAX system is provided.

  9. Independent, Interactive, and Species-Specific Responses

    E-Print Network [OSTI]

    aspen (Populus tremuloides) and paper birch (Betula papyrifera) at the Aspen free air CO2 enrichment transplanted litterbags to sepa- rate substrate quality from environment effects. Aspen decayed more slowly were driven by shifts in substrate quality rather than by fumi- gation environment. Aspen litter

  10. Aspen Meadows Resort and Conference Center 845 Meadows Road Aspen, CO 81611 Aspen Center for Physics Winter Series 2007

    E-Print Network [OSTI]

    Kravtsov, Andrey

    Aspen Meadows Resort and Conference Center · 845 Meadows Road · Aspen, CO 81611 Aspen Center efficient guest service, please fax or e-mail your reservations directly to the Aspen Meadows Resort possible, but are not guaranteed. Sunday -Thursday: Includes breakfast, dinner and Aspen Meadows Resort

  11. RAYMOND O MILLER 6005 J ROAD

    E-Print Network [OSTI]

    RESEARCH NOTES Growing Aspen Fiber in Michigan: A rational for producing this material in short rotation.] Quaking and bigtooth aspen (Populus tremuloides and P. grandidentata) form the second largest forest type most valuable agricultural crop in the state2 . Aspen pulpwood is worth at least twice as much as any

  12. UNEDITED PREPRINT Building a dynamic growth model for trembling

    E-Print Network [OSTI]

    García, Oscar

    UNEDITED PREPRINT Building a dynamic growth model for trembling aspen in Western Canada without age for even-aged thinned or unthinned stands dominated by trembling aspen. Estimation used permanent sample words: Forest growth and yield, Populus tremuloides, quacking aspen, thinning, dynamical systems, TAG. 1

  13. Aspen Ecology in the MixedAspen Ecology in the Mixed Conifer TypeConifer Type

    E-Print Network [OSTI]

    Aspen Ecology in the MixedAspen Ecology in the Mixed Conifer TypeConifer Type Wayne D. Shepperd Colorado State University Fort Collins, CO Aspen Ecology in the MixedAspen Ecology in the Mixed Conifer disturbances to meet the desired objective #12;Aspen in Mixed Conifer ForestsAspen in Mixed Conifer Forests

  14. Aspen Seed Collection Nursery Information Series

    E-Print Network [OSTI]

    Aspen Seed Collection Nursery Information Series #12;Aspen Seed Collection Randy D. Moench Nursery, Colorado 80523 #12;Introduction Aspen is a signature tree of Colorado. It is the most widely distributed as transplants for sale in urban areas. Nursery production of aspen by seed can be successful

  15. What's Happening in Colorado's Aspen Forests? Gradual, longterm changes and recent widespread death of aspen trees

    E-Print Network [OSTI]

    What's Happening in Colorado's Aspen Forests? Gradual, longterm changes and recent widespread death of aspen trees The normal development of forests includes changes, with most trees forests experience fire, insect outbreaks, severe winds, or major droughts. All the aspen forests

  16. City of Aspen- Green Power Purchasing

    Broader source: Energy.gov [DOE]

    In 2005, the City of Aspen set a goal to purchase 75% of the city government's energy from renewable sources by 2010. As of December 2006, Aspen had accomplished its goal to provide 75% non-carbon...

  17. Aspen, Colorado: Community Energy Strategic Planning Process

    Broader source: Energy.gov [DOE]

    This presentation features Lee Ledesma, utilities operations manager with the City of Aspen, Colorado. Ledesma provides an overview of the City of Aspen's experience in putting together a financing...

  18. Edited October 24, 2012 Aspen Grove

    E-Print Network [OSTI]

    Martinez, Tony R.

    Edited October 24, 2012 Aspen Grove Youth Conference Spring/Fall One-Night Youth Conference & Two-Night Youth Conference (May/June) Planning Guide 2013 #12;2 We are very happy you have chosen Aspen Grove. You are responsible for overseeing the planning and conducting of the conference while at Aspen Grove

  19. Edited October 24, 2012 Aspen Grove

    E-Print Network [OSTI]

    Olsen Jr., Dan R.

    Edited October 24, 2012 Aspen Grove Youth Conference Winter Planning Guide 2013 #12;2 We are very happy you have chosen Aspen Grove for your upcoming youth conference! We promise to do all in our power the planning and conducting of the conference while at Aspen Grove. Remember to keep the goals and theme

  20. 1. Aspen Plus KOH , DMC 98.5% (EC

    E-Print Network [OSTI]

    Hong, Deog Ki

    5 1. Aspen Plus KOH , DMC 98.5% (EC : 100%) 2003 4 11 Aspen Plus(12 of Reaction Aspen Plus DMC . EC 100% 96.8% . (5) 99% EC . , 1/4 30 . #12;

  1. aspens: Topics by E-print Network

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

    Design of Linear Energy Storage, Conversion and Utilization Websites Summary: Stirling Engines Final Report E FILE COpy I DO NOT | REMOVE Report Prepared by ASPEN SYSTEMS,...

  2. City of Aspen- Energy Assessment Rebate Program

    Broader source: Energy.gov [DOE]

    The City of Aspen encourages interested residents and businesses to increase the energy efficiency of homes and offices through the Energy Assessment Program. Participating homes and offices must...

  3. Aspen Solar | 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 onYou are now leaving Energy.gov You are now leaving Energy.gov You are beingZealand Jump to:Ezfeedflag JumpID-fTriWildcatAntrimArkansasAshford,Asotin County, Washington:Aspen Solar Jump

  4. University of Wisconsin 1998 Aspen Particle Physics Conference

    E-Print Network [OSTI]

    W. Badgett University of Wisconsin 1998 Aspen Particle Physics Conference 27­Jan­1998 Recent at the 1998 Aspen Particle Physics Winter Conference #12; W. Badgett University of Wisconsin 1998 Aspen 1998 Aspen Particle Physics Conference 27­Jan­1998 The HERA ep Collider at DESY 3 360m R=797m 360m 820

  5. Stomatal uptake of O3 in aspen and aspen-birch forests under free-air CO2 and O3 enrichment

    E-Print Network [OSTI]

    Stomatal uptake of O3 in aspen and aspen-birch forests under free-air CO2 and O3 enrichment Johan, Australia Stomatal ozone flux in aspen and aspen-birch forests was not reduced by elevated CO2 concentration stomatal flux of O3 (AFst) by canopies and sun leaves in closed aspen and aspen-birch forests in the free

  6. Aspen: Noncompliance Determination (2010-SE-0305)

    Broader source: Energy.gov [DOE]

    DOE issued a Notice of Noncompliance Determination to Aspen Manufacturing finding that a variety of basic models of split-system air conditioning heat pumps do not comport with the energy conservation standards.

  7. QCD results at HERAQ Aspen 2008 Winter Conference

    E-Print Network [OSTI]

    QCD results at HERAQ Aspen 2008 Winter Conference "Revealing the Nature of Electroweak Symmetry Breaking" 14 January 2008, Aspen, CO, USA Yuji Yamazaki (Kobe University, ZEUS) O b h lf f th H1 d ZEUS ll

  8. Epigenomics of Development in Populus

    SciTech Connect (OSTI)

    Strauss, Steve; Freitag, Michael; Mockler, Todd

    2013-01-10T23:59:59.000Z

    We conducted research to determine the role of epigenetic modifications during tree development using poplar (Populus trichocarpa), a model woody feedstock species. Using methylated DNA immunoprecipitation (MeDIP) or chromatin immunoprecipitation (ChIP), followed by high-throughput sequencing, we are analyzed DNA and histone methylation patterns in the P. trichocarpa genome in relation to four biological processes: bud dormancy and release, mature organ maintenance, in vitro organogenesis, and methylation suppression. Our project is now completed. We have 1) produced 22 transgenic events for a gene involved in DNA methylation suppression and studied its phenotypic consequences; 2) completed sequencing of methylated DNA from eleven target tissues in wildtype P. trichocarpa; 3) updated our customized poplar genome browser using the open-source software tools (2.13) and (V2.2) of the P. trichocarpa genome; 4) produced summary data for genome methylation in P. trichocarpa, including distribution of methylation across chromosomes and in and around genes; 5) employed bioinformatic and statistical methods to analyze differences in methylation patterns among tissue types; and 6) used bisulfite sequencing of selected target genes to confirm bioinformatics and sequencing results, and gain a higher-resolution view of methylation at selected genes 7) compared methylation patterns to expression using available microarray data. Our main findings of biological significance are the identification of extensive regions of the genome that display developmental variation in DNA methylation; highly distinctive gene-associated methylation profiles in reproductive tissues, particularly male catkins; a strong whole genome/all tissue inverse association of methylation at gene bodies and promoters with gene expression; a lack of evidence that tissue specificity of gene expression is associated with gene methylation; and evidence that genome methylation is a significant impediment to tissue dedifferentiation and redifferentiation in vitro.

  9. Aspen Winter Conference on Unifying Themes in Condensed Matter

    E-Print Network [OSTI]

    Aspen Winter Conference on Unifying Themes in Condensed Matter Mon Jan 12, 2009 Classical vs + poster presentations 8pm - 11pm Dinner at Aspen Meadows Tue Jan 13, 2009 Strong Correlation; Host: Subir Correlated Systems 7:35pm - 7:50pm Discussion + poster presentations 8pm - 11pm Dinner at Aspen Meadows Wed

  10. Advanced Collective Communication in Aspen School of Electrical and

    E-Print Network [OSTI]

    Advanced Collective Communication in Aspen Qasim Ali School of Electrical and Computer Engineering and Computer Engineering, Purdue University West Lafayette, IN 47906 smidkiff@purdue.edu ABSTRACT Aspen collective communication oper- ations in Aspen. We demonstrate the ease-of-use of these features using

  11. Future stand conditions: Short term: Many aspen whips will sprout

    E-Print Network [OSTI]

    Future stand conditions: Short term: Many aspen whips will sprout from the roots of cut trees. Pine, aspen, birch, and basswood. What's Going on Here? Active management is being used to fulfill trees (aspen and birch) Economic goals: Generate revenue to help maintain the forest, trails and other

  12. Thomas E. Hinds Although many diseases attack aspen, relatively few

    E-Print Network [OSTI]

    DISEASES Thomas E. Hinds Although many diseases attack aspen, relatively few kill or seriously of aspen, whereas there are subtle differ- ences in distribution between the important decay fungi. Foliage Diseases Fungus Diseases Many fungi are capable of attacking aspen leaves, from juvenile growth

  13. Research Paper Abstract: Three model communities of trembling aspen (mono-

    E-Print Network [OSTI]

    Research Paper Abstract: Three model communities of trembling aspen (mono- culture, and mixed aspen communities, different clones emerged as having the highest change in relative importance values. For the mixed as- pen-birch community, importance of aspen and birch changed by ­ 16% and + 62%, respectively

  14. Expressing and Exploiting Concurrency in Networked Applications with Aspen

    E-Print Network [OSTI]

    Expressing and Exploiting Concurrency in Networked Applications with Aspen Gautam Upadhyaya, Vijay,vpai,smidkiff}@purdue.edu Abstract This paper presents Aspen, a high-level programming language that targets both high-productivity programming and runtime sup- port for managing resources needed by a computation. Programs in Aspen

  15. Aspen, Colorado: 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 onYou are now leaving Energy.gov You are now leaving Energy.gov You are being directedAnnual Siteof EnergyInnovation in Carbon Capture andsoftwareAsian Age EnterpriseAsinAspenAspen,

  16. Aspen Winter Conferences on High Energy

    SciTech Connect (OSTI)

    multiple speakers, presenters listed on link below

    2011-02-12T23:59:59.000Z

    The 2011 Aspen Winter Conference on Particle Physics was held at the Aspen Center for Physics from February 12 to February 18, 2011. Ninety-four participants from ten countries, and several universities and national labs attended the workshop titled, ?New Data From the Energy Frontier.? There were 54 formal talks, and a considerable number of informal discussions held during the week. The week?s events included a public lecture (?The Hunt for the Elusive Higgs Boson? given by Ben Kilminster from Ohio State University) and attended by 119 members of the public, and a physics caf? geared for high schoolers that is a discussion with physicists. The 2011 Aspen Winter Conference on Astroparticle physics held at the Aspen Center for Physics was ?Indirect and Direct Detection of Dark Matter.? It was held from February 6 to February 12, 2011. The 70 participants came from 7 countries and attended 53 talks over five days. Late mornings through the afternoon are reserved for informal discussions. In feedback received from participants, it is often these unplanned chats that produce the most excitement due to working through problems with fellow physicists from other institutions and countries or due to incipient collaborations. In addition, Blas Cabrera of Stanford University gave a public lecture titled ?What Makes Up Dark Matter.? There were 183 members of the general public in attendance. Before the lecture, 45 people attended the physics caf? to discuss dark matter. This report provides the attendee lists, programs, and announcement posters for each event.

  17. Aspen: Noncompliance Determination (2011-SE-1602)

    Broader source: Energy.gov [DOE]

    DOE issued a Notice of Noncompliance Determination to Aspen Manufacturing finding that indoor unit model AEW244 and outdoor unit model NCPC-424-3010 of residential split system central air conditioning system do not comport with the energy conservation standards.

  18. ITERATIVE REPAIR PLANNING FOR SPACECRAFT OPERATIONS USING THE ASPEN SYSTEM Gregg Rabideau, Russell Knight, Steve Chien, Alex Fukunaga, Anita Govindjee

    E-Print Network [OSTI]

    Schaffer, Steven

    ITERATIVE REPAIR PLANNING FOR SPACECRAFT OPERATIONS USING THE ASPEN SYSTEM Gregg Rabideau, Russell and Planning Environment (ASPEN). ASPEN encodes complex spacecraft knowledge of operability constraints, flight generation of low level spacecraft sequences. Using a technique called iterative repair, ASPEN classifies

  19. Forest Atmosphere Carbon Transfer and Storage (FACTS-II) The Aspen Free-air CO2

    E-Print Network [OSTI]

    #12;Forest Atmosphere Carbon Transfer and Storage (FACTS-II) The Aspen Free-air CO2 and O3 ............................................................................. 11 G. Unique Characteristics of the Aspen FACE Project at Rhinelander ............................ 12 ....................................................................................... 12 I. Aspen: Genetic Variation and Economic Importance

  20. Automated Design Space Exploration with Aspen

    DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

    Spafford, Kyle L.; Vetter, Jeffrey S.

    2015-01-01T23:59:59.000Z

    Architects and applications scientists often use performance models to explore a multidimensional design space of architectural characteristics, algorithm designs, and application parameters. With traditional performance modeling tools, these explorations forced users to first develop a performance model and then repeatedly evaluate and analyze the model manually. These manual investigations proved laborious and error prone. More importantly, the complexity of this traditional process often forced users to simplify their investigations. To address this challenge of design space exploration, we extend our Aspen (Abstract Scalable Performance Engineering Notation) language with three new language constructs: user-defined resources, parameter ranges, and a collection ofmore »costs in the abstract machine model. Then, we use these constructs to enable automated design space exploration via a nonlinear optimization solver. We show how four interesting classes of design space exploration scenarios can be derived from Aspen models and formulated as pure nonlinear programs. The analysis tools are demonstrated using examples based on Aspen models for a three-dimensional Fast Fourier Transform, the CoMD molecular dynamics proxy application, and the DARPA Streaming Sensor Challenge Problem. Our results show that this approach can compose and solve arbitrary performance modeling questions quickly and rigorously when compared to the traditional manual approach.« less

  1. Aspen Environmental Group | 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 onYou are now leaving Energy.gov You are now leaving Energy.gov You are being directedAnnual Siteof EnergyInnovation in Carbon Capture andsoftwareAsian Age EnterpriseAsinAspen

  2. Growth and crown architecture of two aspen genotypes exposed to interacting ozone and carbon dioxide

    E-Print Network [OSTI]

    Growth and crown architecture of two aspen genotypes exposed to interacting ozone and carbon To study the impact of ozone (O3) and O3 plus CO2 on aspen growth, we planted two trembling aspen clones growth and modified crown architecture of both aspen clones. Ozone exposure decreased leaf, stem, branch

  3. USDA Forest Service Proceedings RMRS-P-18. 2001. 117 Prescribed Fire, Elk, and Aspen in

    E-Print Network [OSTI]

    USDA Forest Service Proceedings RMRS-P-18. 2001. 117 Prescribed Fire, Elk, and Aspen in Grand Teton--InGrandTetonNationalPark,alandscape-scaleassessmentofregeneration in aspen has assisted park managers in identifying aspen stands that may be at risk due to a number of interrelated factors, including ungulate browsing and suppression of wildland fire. The initial aspen survey

  4. Aspen, Feb. 8 2011 Aldo Morselli, INFN Roma Tor Vergata 1 Results from Fermi

    E-Print Network [OSTI]

    Morselli, Aldo

    Aspen, Feb. 8 2011 Aldo Morselli, INFN Roma Tor Vergata 1 Results from Fermi Testing astroparticle Large Area Telescope Collaboration Indirect and Direct Detection of Dark Matter ASPEN CENTER FOR PHYSICS February 6 - 12, 2011 #12;Aspen, Feb. 8 2011 Aldo Morselli, INFN Roma Tor Vergata 2 #12;Aspen, Feb. 8 2011

  5. USFS Administrative Tour The Aspen FACE site hosted a visit of some 36 senior

    E-Print Network [OSTI]

    1 USFS Administrative Tour The Aspen FACE site hosted a visit of some 36 senior USFS administrators (USFS) welcomed the group to the site and Dave Karnosky (MTU) gave a brief overview of the Aspen FACE Global Change Program Director Rich Birdsey. Aspen FACE in the News On May 16, 2003, the Aspen FACE

  6. The fate of lignin during hydrothermal pretreatment

    E-Print Network [OSTI]

    Trajano, Heather L; Engle, Nancy L; Foston, Marcus; Ragauskas, Arthur J; Tschaplinski, Timothy J; Wyman, Charles E

    2013-01-01T23:59:59.000Z

    of autohydrolysis aspen (P. tremuloides) lignins. Part 3.role for delignification of aspen wood by steam explosion.H: Characterization of aspen exploded wood lignin. Can J

  7. Tracking Hemicellulose and Lignin Deconstruction During Hydrothermal Pretreatment of Biomass

    E-Print Network [OSTI]

    McKenzie, Heather Lorelei

    2012-01-01T23:59:59.000Z

    acid pretreatment process using ASPEN-Plus®. Appl. Biochem.of autohydrolysis aspen (P. tremuloides) lignins. Part 3.Simulated autohydrolysis of aspen milled wood lignin in the

  8. Aspen and Pitkin County- Renewable Energy Mitigation Program

    Broader source: Energy.gov [DOE]

    The City of Aspen and Pitkin County have adopted the 2009 International Energy Conservation Code (IECC), with some amendments, as their official energy code effective March 9, 2010. The [http:/...

  9. Chemical/Bio Engineering Computer Engineering Computer Science/IT Mechanical Engineering Aspen Technology abi HUB abi HUB Adecco

    E-Print Network [OSTI]

    New Hampshire, University of

    Chemical/Bio Engineering Computer Engineering Computer Science/IT Mechanical Engineering Aspen Continental Biomass Industries Navy Recruiting District New England Aspen Technology ARC Technology Solutions Electric Boat Triumvirate Environmental Fidelity Investments Aspen Technology GOSS International America

  10. Aspen Global Change Institute Summer Science Sessions

    SciTech Connect (OSTI)

    Katzenberger, John; Kaye, Jack A

    2006-10-01T23:59:59.000Z

    The Aspen Global Change Institute (AGCI) successfully organized and convened six interdisciplinary meetings over the course of award NNG04GA21G. The topics of the meetings were consistent with a range of issues, goals and objectives as described within the NASA Earth Science Enterprise Strategic Plan and more broadly by the US Global Change Research Program/Our Changing Planet, the more recent Climate Change Program Strategic Plan and the NSF Pathways report. The meetings were chaired by two or more leaders from within the disciplinary focus of each session. 222 scholars for a total of 1097 participants-days were convened under the auspices of this award. The overall goal of each AGCI session is to further the understanding of Earth system science and global environmental change through interdisciplinary dialog. The format and structure of the meetings allows for presentation by each participant, in-depth discussion by the whole group, and smaller working group and synthesis activities. The size of the group is important in terms of the group dynamics and interaction, and the ability for each participant's work to be adequately presented and discussed within the duration of the meeting, while still allowing time for synthesis

  11. Scaffold Training Session Bill Danfield (USFS) and Adam Wiese (USFS) lead an Aspen FACE

    E-Print Network [OSTI]

    Scaffold Training Session Bill Danfield (USFS) and Adam Wiese (USFS) lead an Aspen FACE site in each Aspen FACE ring without receiving training. Kurt Pregitzer Returns Adam Wiese (left) leads a training session for scaffold climbing. Kurt Pregitzer (Aspen FACE Steering Committee) returned to MTU

  12. USDA Forest Service Proceedings RMRS-P-18. 2001. 61 Predation Risk and Elk-Aspen

    E-Print Network [OSTI]

    USDA Forest Service Proceedings RMRS-P-18. 2001. 61 Predation Risk and Elk-Aspen Foraging Patterns Clifford A. White1 and Michael C. Feller2 Abstract--Elk-aspen foraging patterns may be influenced by cover, or predator), and two general states of aspen condition (open-grown or thicket). Pellet group and browse

  13. Norbert V. DeByle Aspen forests provide important habitat for many

    E-Print Network [OSTI]

    WILDLIFE Norbert V. DeByle Aspen forests provide important habitat for many species of wildlife of the interior West, aspen groves may be the only source of abundant forage; in the grasslands they may be the sole source of cover. A primary value of the aspen ecosystem in the West during the past century has

  14. John R. Jones and George A. Schier This chapter considers aspen growth as a process,

    E-Print Network [OSTI]

    GROWTH John R. Jones and George A. Schier This chapter considers aspen growth as a process and in chapters in PART 11. ECOLOGY. Aspen growth as it relates to wood production is examined in the WOOD RESOURCE chapter. LIFE-TIME PATTERNS In the West, a stand of aspen may persist for more than 200 years

  15. L. M. Weiss NSF Graduate Fellow, UC Berkeley Aspen 2013 & Kepler Team

    E-Print Network [OSTI]

    Militzer, Burkhard

    L. M. Weiss NSF Graduate Fellow, UC Berkeley Aspen 2013 & Kepler Team 1 Planet Period (d) Radius (R Graduate Fellow, UC Berkeley Aspen 2013 2 KOI-94 Planet Orbital Period b 3.74 days c 10.4 days d 22.3 days NSF Graduate Fellow, UC Berkeley Aspen 2013 135 Exoplanets with Measured Mass and Radius (exoplanets

  16. C. Grnwald et al.Differentiation of xylem cells in rolC aspen Original article

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    C. Grünwald et al.Differentiation of xylem cells in rolC aspen Original article Differentiation of xylem cells in rolC transgenic aspen trees ­ a study of secondary cell wall development Claudia 2001; accepted 21 January 2002) Abstract ­ Xylem cell differentiation of 35S-rolC transgenic aspen

  17. The Potential of Aspen Clonal Forestry in Alberta: Breeding Regions and Estimates of Genetic Gain from

    E-Print Network [OSTI]

    Hamann, Andreas

    The Potential of Aspen Clonal Forestry in Alberta: Breeding Regions and Estimates of Genetic Gain Alberta-Pacific Forest Industries Inc., Boyle, Alberta, Canada Abstract Background: Aspen naturally grows to enhance the productivity of aspen forests in Alberta. We further investigate geographic patterns

  18. Workshop on Physics at the End of the Galactic Cosmic Ray Spectrum, Aspen, Colorado, April 2005

    E-Print Network [OSTI]

    Workshop on Physics at the End of the Galactic Cosmic Ray Spectrum, Aspen, Colorado, April 2005 contributions to the Workshop on Physics at the End of the Galactic Cosmic Ray Spectrum, held at the Aspen Physics Institute, Aspen, Colorado in April 2005. Experimental talks presented during the five day

  19. Lina Galtieri: Top Mass Measurements. Aspen2010, January 17-23 1 Precision Top Mass Measurement

    E-Print Network [OSTI]

    Galtieri, Lina

    Lina Galtieri: Top Mass Measurements. Aspen2010, January 17-23 1 Precision Top Mass Measurement Measurements. Aspen2010, January 17-23 2 Motivation Mw~ Mt 2 Mw~ log(MH) ­ Quantum loop the combination of many EWK observable #12;Lina Galtieri: Top Mass Measurements. Aspen2010, January 17-23 3 Top

  20. MODELS FOR THE DISTRIBUTION OF QUAKING ASPEN IN GEOGRAPHIC AND POTENTIAL EVAPOTRANSPIRATION SPACES RELEVANT TO

    E-Print Network [OSTI]

    Ramsey, R. Douglas

    MODELS FOR THE DISTRIBUTION OF QUAKING ASPEN IN GEOGRAPHIC AND POTENTIAL EVAPOTRANSPIRATION SPACES Models for the distribution of quaking aspen concentration in geographic and potential evapotranspiration, and Wildlife Sciences Quaking aspen is the most widely distributed tree species in North America and an asset

  1. Long-term impact of a leaf miner outbreak on the performance of quaking aspen

    E-Print Network [OSTI]

    Ickert-Bond, Steffi

    ARTICLE Long-term impact of a leaf miner outbreak on the performance of quaking aspen Diane Wagner and Patricia Doak Abstract: The aspen leaf miner, Phyllocnistis populiella Cham., has caused widespread and severe damage to aspen in the boreal forests of western North America for over a decade. We suppressed P

  2. Small isolated aspen stands enrich bird communities in southwestern ponderosa pine forests

    E-Print Network [OSTI]

    Beier, Paul

    Small isolated aspen stands enrich bird communities in southwestern ponderosa pine forests Kerry L Received 21 May 2001; received in revised form 20 January 2002; accepted 14 July 2002 Abstract Small aspen their contribution to the avian community. We sampled birds in 53 small, isolated aspen stands and 53 paired plots

  3. 2006 Aspen Winter Conference on Astrophysics January 22-28, 2006

    E-Print Network [OSTI]

    Barkana, Rennan

    2006 Aspen Winter Conference on Astrophysics January 22-28, 2006 Cosmological Probes of Baryons applications are to be sent to: barkana@wise.tau.ac.il The Aspen Center for Physics is committed to a significant participation of women and under-represented groups in all of the Center's programs. Aspen Center

  4. Snow ablation modelling in a mature aspen stand of the boreal forest

    E-Print Network [OSTI]

    Ni-Meister, Wenge

    Snow ablation modelling in a mature aspen stand of the boreal forest J. P. Hardy,1* R. E. Davis,1 R- ing snow ablation in a lea¯ess, deciduous aspen stand and verifying the results with ®eld data. New to estimate a branch area index for defoliated aspen as an analogue to the foliage area index used

  5. FACTS II (Aspen FACE) Facility and Harshaw Forest Experimental Farm Facility

    E-Print Network [OSTI]

    June 2002 FACTS II (Aspen FACE) Facility and Harshaw Forest Experimental Farm Facility Site;Project Name: Forest Atmosphere Carbon Transfer and Storage (FACTS-II) The Aspen Free-air CO2 and O3 EH&S Representative: Bill Danfield Signature: _ Date: ________ FACTS II (Aspen FACE) Facility

  6. The seasonal water and energy exchange above and within a boreal aspen forest

    E-Print Network [OSTI]

    Lee, Xuhui

    The seasonal water and energy exchange above and within a boreal aspen forest P.D. Blankena,*, T 2001; accepted 2 February 2001 Abstract The seasonal water and energy exchange of a boreal aspen forest underlain by a hazelnut understory is described. Measure- ments of above-aspen latent and sensible heat

  7. Genetic variation of hydraulic and wood anatomical traits in hybrid poplar and trembling aspen

    E-Print Network [OSTI]

    Hacke, Uwe

    Genetic variation of hydraulic and wood anatomical traits in hybrid poplar and trembling aspen November 2010 New Phytologist (2011) 190: 150­160 doi: 10.1111/j.1469-8137.2010.03594.x Key words: aspen forestry systems and breeding programs often include either native aspen or hybrid poplar clones

  8. Cattle Selection for Aspen and Meadow Vegetation: Implications for Restoration Bobette E. Jones,1

    E-Print Network [OSTI]

    Tate, Kenneth

    Cattle Selection for Aspen and Meadow Vegetation: Implications for Restoration Bobette E. Jones,1 95616, USA. Abstract There is concern over the decline of aspen and the lack of successful regeneration due to excessive browsing of aspen suckers by cattle and other wild and domestic ungulates. We

  9. Using ASPEN to Automate EO-1 Activity Planning Rob Sherwood, Anita Govindjee, David Yan,

    E-Print Network [OSTI]

    Schaffer, Steven

    Using ASPEN to Automate EO-1 Activity Planning Rob Sherwood, Anita Govindjee, David Yan, Gregg, California 91109 aspen@aig.jpl.nasa.gov Abstract-- This paper describes the application of an automated planning and scheduling system to the NASA Earth Orbiting 1 (EO-1) mission. The planning system, ASPEN

  10. D. Pitzl (DESY): Searches at HERA 1 Aspen 14.1.2008 Inclusive signatures

    E-Print Network [OSTI]

    D. Pitzl (DESY): Searches at HERA 1 Aspen 14.1.2008 HERA Inclusive signatures Modelbased searches Lepton signatures General search Summary Searches at HERA Daniel Pitzl DESY Aspen 2008 Winter Conference #12;D. Pitzl (DESY): Searches at HERA 2 Aspen 14.1.2008 Hadron Elektron Ring Anlage HERA World

  11. CCSM Polar Climate Working Group The Village at Breckenridge, Aspen/Bighorn Rooms

    E-Print Network [OSTI]

    CCSM Polar Climate Working Group AGENDA The Village at Breckenridge, Aspen/Bighorn Rooms Wednesday (Aspen/Bighorn Rooms) Focus: Abrupt Climate Change 1:30 PM-1:40 PM Opening Statement (M. Holland and Z Polar Climate Working Group Meeting (Aspen/Bighorn Rooms) Focus: Model Intercomparison Studies 3:30 PM-3

  12. Andrew Mehta 1Aspen 12-18 February 2006 Recent Results from HERA

    E-Print Network [OSTI]

    Andrew Mehta 1Aspen 12-18 February 2006 Recent Results from HERA Measurements of Proton Structure Andrew Mehta #12;Andrew Mehta 2Aspen 12-18 February 2006 HERA II Luminosity 13/02/06 Introduction HERA of the hundreds of results. Many important topics skipped altogether #12;Andrew Mehta 3Aspen 12-18 February 2006

  13. USDA Forest Service Proceedings RMRS-P-18. 2001. 387 Aspen Response to Prescribed Fire and

    E-Print Network [OSTI]

    USDA Forest Service Proceedings RMRS-P-18. 2001. 387 Aspen Response to Prescribed Fire and Wild, regenerate aspen, and improve overall watershed functions. Treated clones are susceptible to extensive at fire-induced aspen regeneration in the area indicate various levels of success due to existing

  14. University of Alberta The potential of aspen clones and hybrids for enhanced forest management

    E-Print Network [OSTI]

    Hamann, Andreas

    University of Alberta The potential of aspen clones and hybrids for enhanced forest management be remembered. #12;Abstract This thesis presents results from an industrial aspen tree improvement program, advice, and support provided by the staff of the Western Boreal Aspen Corp was essential

  15. Genome structure and primitive sex chromosome revealed in Populus

    SciTech Connect (OSTI)

    Tuskan, Gerald A [ORNL; Yin, Tongming [ORNL; Gunter, Lee E [ORNL; Blaudez, D [UMR, France

    2008-01-01T23:59:59.000Z

    We constructed a comprehensive genetic map for Populus and ordered 332 Mb of sequence scaffolds along the 19 haploid chromosomes in order to compare chromosomal regions among diverse members of the genus. These efforts lead us to conclude that chromosome XIX in Populus is evolving into a sex chromosome. Consistent segregation distortion in favor of the sub-genera Tacamahaca alleles provided evidence of divergent selection among species, particularly at the proximal end of chromosome XIX. A large microsatellite marker (SSR) cluster was detected in the distorted region even though the genome-wide distribute SSR sites was uniform across the physical map. The differences between the genetic map and physical sequence data suggested recombination suppression was occurring in the distorted region. A gender-determination locus and an overabundance of NBS-LRR genes were also co-located to the distorted region and were put forth as the cause for divergent selection and recombination suppression. This hypothesis was verified by using fine-scale mapping of an integrated scaffold in the vicinity of the gender-determination locus. As such it appears that chromosome XIX in Populus is in the process of evolving from an autosome into a sex chromosome and that NBS-LRR genes may play important role in the chromosomal diversification process in Populus.

  16. Draft Genome Sequence of Rhizobium sp. PDO1-076, a bacterium isolated from Populus deltoides.

    SciTech Connect (OSTI)

    Brown, Steven D [ORNL; Klingeman, Dawn Marie [ORNL; Lu, Tse-Yuan [ORNL; Johnson, Courtney M [ORNL; Utturkar, Sagar M [ORNL; Land, Miriam L [ORNL; Schadt, Christopher Warren [ORNL; Doktycz, Mitchel John [ORNL; Pelletier, Dale A [ORNL

    2012-01-01T23:59:59.000Z

    Rhizobium sp. strain PDO1-076 is a plant-associated bacterium isolated from Populus deltoides, and its draft genome sequence is reported.

  17. ASPEN Plus Simulation of CO2 Recovery Process

    SciTech Connect (OSTI)

    Charles W. White III

    2003-09-30T23:59:59.000Z

    ASPEN Plus simulations have been created for a CO{sub 2} capture process based on adsorption by monoethanolamine (MEA). Three separate simulations were developed, one each for the flue gas scrubbing, recovery, and purification sections of the process. Although intended to work together, each simulation can be used and executed independently. The simulations were designed as template simulations to be added as a component to other more complex simulations. Applications involving simple cycle or hybrid power production processes were targeted. The default block parameters were developed based on a feed stream of raw flue gas of approximately 14 volume percent CO{sub 2} with a 90% recovery of the CO{sub 2} as liquid. This report presents detailed descriptions of the process sections as well as technical documentation for the ASPEN simulations including the design basis, models employed, key assumptions, design parameters, convergence algorithms, and calculated outputs.

  18. 2012 Aspen Winter Conferences on High Energy and Astrophysics

    SciTech Connect (OSTI)

    Campbell, John; Olivier, Dore; Fox, Patrick; Furic, Ivan; Halkiadakis, Eva; Schmidt, Fabian; Senatore, Leonardo; Smith, Kendrick M; Whiteson, Daniel

    2012-05-01T23:59:59.000Z

    Aspen Center for Physics Project Summary DE-SC0007313 Budget Period: 1/1/2012 to 12/31/2012 The Hunt for New Particles, from the Alps to the Plains to the Rockies The 2012 Aspen Winter Conference on Particle Physics was held at the Aspen Center for Physics from February 11 to February 17, 2012. Sixty-seven participants from nine countries, and several universities and national labs attended the workshop titled, The Hunt for New Particles, from the Alps to the Plains to the Rockies. There were 53 formal talks, and a considerable number of informal discussions held during the week. The weeks events included a public lecture-Hunting the Dark Universe given by Neal Weiner from New York University) and attended by 237 members of the public, and a physics cafe geared for high schoolers that is a discussion with physicists conducted by Spencer Chang (University of Oregon), Matthew Reece (Harvard University) and Julia Shelton (Yale University) and attended by 67 locals and visitors. While there were no published proceedings, some of the talks are posted online and can be Googled. The workshop was organized by John Campbell (Fermilab), Patrick Fox (Fermilab), Ivan Furic (University of Florida), Eva Halkiadakis (Rutgers University) and Daniel Whiteson (University of California Irvine). Additional information is available at http://indico.cern.ch/conferenceDisplay.py?confId=143360. Inflationary Theory and its Confrontation with Data in the Planck Era The 2012 Aspen Winter Conference on Astroparticle physics held at the Aspen Center for Physics was Inflationary Theory and its Confrontation with Data in the Planck Era.� It was held from January 30 to February 4, 2012. The 62 participants came from 7 countries and attended 43 talks over five days. Late mornings through the afternoon are reserved for informal discussions. In feedback received from participants, it is often these unplanned chats that produce the most excitement due to working through problems with fellow physicists from other institutions and countries or due to incipient collaborations. In addition, Shamit Kachru of Stanford University gave a public lecture titled The Small (and Large) Scale Structure of Space-Time.There were 237 members of the general public in attendance. Before the lecture, 65 people attended the physics cafe to discuss the current topic with Matthew Kleban (New York University) and Chao-Lin Kuo (Stanford University). This workshop was organized by Olivier Dore (Jet Propulsion Lab), Fabian Schmidt (Caltech), Leonardo Senatore (Stanford University), and Kendrick Smith (Princeton University).

  19. All talks will be held in the Chateau Roaring Fork Conference Room, 1037 E. Cooper Ave, Aspen, CO, 81611 The Fourteenth Annual Weintraub Meeting on

    E-Print Network [OSTI]

    Bass, Brenda L.

    E. Cooper Ave, Aspen, CO, 81611 The Fourteenth Annual Weintraub Meeting on Biological Regulatory Mechanisms October 8-9, 2010 (Aspen, Colorado) THURSDAY

  20. Conference on Mountain Meteorology, 7-11 August 2000 Aspen, Colorado, Amer. Meteor. Soc., Preprint p.11-14.

    E-Print Network [OSTI]

    Houze Jr., Robert A.

    9th Conference on Mountain Meteorology, 7-11 August 2000 Aspen, Colorado, Amer. Meteor. Soc-11 August 2000 Aspen, Colorado, Amer. Meteor. Soc., Preprint p.11-14. the Osservatorio Ticinese at Locarno

  1. NATIVE MYCORRHIZAL FUNGI WITH ASPEN ON SMELTER-IMPACTED SITES IN THE NORTHERN ROCKY MOUNTAINS

    E-Print Network [OSTI]

    Cripps, Cathy

    NATIVE MYCORRHIZAL FUNGI WITH ASPEN ON SMELTER- IMPACTED SITES IN THE NORTHERN ROCKY MOUNTAINS smelter sites in the northern Rocky Mountains. This is evidenced by extensive aspen stands on the East Ridge of Butte (MT), behind the smelter stack at Anaconda (MT), near the (removed) smelter in Kellogg

  2. John R. Jones and Norbert V. DeByle The broad range of aspen in North America is

    E-Print Network [OSTI]

    CLIMATES John R. Jones and Norbert V. DeByle The broad range of aspen in North America is evidence for establishment and not too severe competition from other plants, aspen can survive from timberline on the tundra. How- ever, aspen grows much better and competes more successfully under some climatic regimes than

  3. I. Fjdd Ornidml.. 71 (1.:IK7-~"'J6 HABITAT OF BIRDS IN PONDEROSA PINE AND ASPEN/BIRCH

    E-Print Network [OSTI]

    ....., I. Fjdd Ornidml.. 71 (1.:IK7-~"'J6 HABITAT OF BIRDS IN PONDEROSA PINE AND ASPEN/BIRCH FOREST-le\\'d scales in ponderosa pine and quaking aspen (l'opuil", /rl'lIIll/oitil's)/paper birch ([Multl ptl in aspen/bird\\ than in ponderosa pille. Species richnes.~ Wd.~ generdlly lowt'r in ponderosa pine w;lh >40

  4. The Interplay of Plant and Animal Disease in a Changing Landscape: The Role of Sudden Aspen Decline in Moderating

    E-Print Network [OSTI]

    Lazzaro, Brian

    The Interplay of Plant and Animal Disease in a Changing Landscape: The Role of Sudden Aspen Decline between sudden aspen decline (SAD) and Sin Nombre virus (SNV) as a model system. We compared understory within aspen forests experiencing levels of SAD ranging from 95.0% crown fade. Our

  5. Simple Dynamic Gasifier Model That Runs in Aspen Dynamics

    SciTech Connect (OSTI)

    Robinson, P.J.; Luyben, W.L. [Lehigh University, Bethlehem, PA (United States). Dept. of Chemical Engineering

    2008-10-15T23:59:59.000Z

    Gasification (or partial oxidation) is a vital component of 'clean coal' technology. Sulfur and nitrogen emissions can be reduced, overall energy efficiency is increased, and carbon dioxide recovery and sequestration are facilitated. Gasification units in an electric power generation plant produce a fuel for driving combustion turbines. Gasification units in a chemical plant generate gas, which can be used to produce a wide spectrum of chemical products. Future plants are predicted to be hybrid power/chemical plants with gasification as the key unit operation. The widely used process simulator Aspen Plus provides a library of models that can be used to develop an overall gasifier model that handles solids. So steady-state design and optimization studies of processes with gasifiers can be undertaken. This paper presents a simple approximate method for achieving the objective of having a gasifier model that can be exported into Aspen Dynamics. The basic idea is to use a high molecular weight hydrocarbon that is present in the Aspen library as a pseudofuel. This component should have the same 1:1 hydrogen-to-carbon ratio that is found in coal and biomass. For many plantwide dynamic studies, a rigorous high-fidelity dynamic model of the gasifier is not needed because its dynamics are very fast and the gasifier gas volume is a relatively small fraction of the total volume of the entire plant. The proposed approximate model captures the essential macroscale thermal, flow, composition, and pressure dynamics. This paper does not attempt to optimize the design or control of gasifiers but merely presents an idea of how to dynamically simulate coal gasification in an approximate way.

  6. Tank SY-102 remediation project summary report: ASPEN modeling

    SciTech Connect (OSTI)

    Punjak, W.A.; Schreiber, S.B.; Yarbro, S.L.

    1995-05-01T23:59:59.000Z

    The U.S. Department of Energy established the Tank Waste Remediation System (TWRS) to safely manage and dispose of radioactive waste stored in underground tanks on the Hanford Site. As a part of this program, personnel at Los Alamos National Laboratory (LANL) have developed and demonstrated a flow sheet to remediate tank SY-102, which is located in the 200 West Area and contains high-level radioactive waste. In the conceptual design report issued earlier, an ASPEN plus{trademark} computer model of the flow sheet was presented. This report documents improvements in the flow sheet model after additional thermodynamic data for the actinide species were incorporated.

  7. City of Aspen, Colorado (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 onYou are now leaving Energy.gov You are now leaving Energy.gov You are beingZealand JumpConceptual Model, click here.TelluricPowerCity of Aplington, Iowa (Utility Company)City of Aspen,

  8. Genome Analyses and Supplement Data from the International Populus Genome Consortium (IPGC)

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

    International Populus Genome Consortium (IPGC)

    The sequencing of the first tree genome, that of Populus, was a project initiated by the Office of Biological and Environmental Research in DOE’s Office of Science. The International Populus Genome Consortium (IPGC) was formed to help develop and guide post-sequence activities. The IPGC website, hosted at the Oak Ridge National Laboratory, provides draft sequence data as it is made available from DOE Joint Genome Institute, genome analyses for Populus, lists of related publications and resources, and the science plan. The data are available at http://www.ornl.gov/sci/ipgc/ssr_resource.htm.

  9. Product Description Destination Tons Cords MBF Stumpage Amount Hard Maple Sawtimber Grade 1 Aspen 0.35 400.00$ 140.00$

    E-Print Network [OSTI]

    Product Description Destination Tons Cords MBF Stumpage Amount Hard Maple Sawtimber Grade 1 Aspen 0.35 400.00$ 140.00$ Hard Maple Sawtimber Grade 2 Aspen 3.29 250.00$ 822.50$ Hard Maple Sawtimber Grade 3 Aspen 2.38 160.00$ 380.80$ Hard Maple Veneer Aspen 600.00$ -$ Hard Maple Birdseye Aspen 0.055 700.00$ 38

  10. Association Genetics of Populus trichocarpa or Resequencing in Populus: Towards Genome Wide Association Genetics (2011 JGI User Meeting)

    SciTech Connect (OSTI)

    Tuskan, Gerry

    2011-03-23T23:59:59.000Z

    The U.S. Department of Energy Joint Genome Institute (JGI) invited scientists interested in the application of genomics to bioenergy and environmental issues, as well as all current and prospective users and collaborators, to attend the annual DOE JGI Genomics of Energy & Environment Meeting held March 22-24, 2011 in Walnut Creek, Calif. The emphasis of this meeting was on the genomics of renewable energy strategies, carbon cycling, environmental gene discovery, and engineering of fuel-producing organisms. The meeting features presentations by leading scientists advancing these topics. Gerry Tuskan of Oak Ridge National Laboratory on "Resequencing in Populus: Towards Genome Wide Association Genetics" at the 6th annual Genomics of Energy & Environment Meeting on March 23, 2011

  11. Association Genetics of Populus trichocarpa or Resequencing in Populus: Towards Genome Wide Association Genetics (2011 JGI User Meeting)

    ScienceCinema (OSTI)

    Tuskan, Gerry

    2011-06-03T23:59:59.000Z

    The U.S. Department of Energy Joint Genome Institute (JGI) invited scientists interested in the application of genomics to bioenergy and environmental issues, as well as all current and prospective users and collaborators, to attend the annual DOE JGI Genomics of Energy & Environment Meeting held March 22-24, 2011 in Walnut Creek, Calif. The emphasis of this meeting was on the genomics of renewable energy strategies, carbon cycling, environmental gene discovery, and engineering of fuel-producing organisms. The meeting features presentations by leading scientists advancing these topics. Gerry Tuskan of Oak Ridge National Laboratory on "Resequencing in Populus: Towards Genome Wide Association Genetics" at the 6th annual Genomics of Energy & Environment Meeting on March 23, 2011

  12. City of Aspen and Pitkin County- Renewable Energy Mitigation Program Grants

    Broader source: Energy.gov [DOE]

    With final approval coming from the Pitkin County Board of County Commissioners and the Aspen City Council, the Community Office for Resource Efficiency (CORE) periodically awards funding to wort...

  13. Free Air CO2 Enrichment (FACE) Research Data from the Aspen FACE Experiment (FACTS II)

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

    Ring maps, lists of publications, data from the experiments, newsletters, protocol and performance information, and links to other FACTS and FACE information are provided at the ASPEN FACE website.

  14. Seasonal exchange of CO 2 and delta 18 O-CO 2 varies with postfire succession in boreal forest ecosystems

    E-Print Network [OSTI]

    Welp, L. R; Randerson, J. T; Liu, H. P

    2006-01-01T23:59:59.000Z

    scar, a 15-year trembling aspen stand, and an 80-year blackG03007 of deciduous aspen trees (Populous tremuloides) withthe 3-year stand, 22.0% for aspen at the 15-year stand, and

  15. Appears in Proceedings of the 1997 IEEE Aerospace Conference, Aspen, CO, February 1997. DSS2 6 0 1 2 3 0 2 1 0

    E-Print Network [OSTI]

    Schaffer, Steven

    Appears in Proceedings of the 1997 IEEE Aerospace Conference, Aspen, CO, February 1997. DSS­2 6 0 1 #12; Appears in Proceedings of the 1997 IEEE Aerospace Conference, Aspen, CO, February 1997

  16. Appears in Proceedings of the 1997 IEEE Aerospace Conference, Aspen, CO, February 1997. DSS-2 6 0 1 2 3 0 2 1 0

    E-Print Network [OSTI]

    Schaffer, Steven

    Appears in Proceedings of the 1997 IEEE Aerospace Conference, Aspen, CO, February 1997. DSS-2 6 0 1 #12;Appears in Proceedings of the 1997 IEEE Aerospace Conference, Aspen, CO, February 1997

  17. Master the Law with Aspen/Wolters Kluwer study aids now available wherever and whenever you need them.

    E-Print Network [OSTI]

    Jackman, Todd

    Master the Law with Aspen/Wolters Kluwer study aids ­ now available wherever and whenever you needSaveYourNotesandHighlights. · To access all of the content available in the library, you must first log in to your account on Aspen

  18. USDA Forest Service Proceedings RMRS-P-18. 2001. 325 Modeling Aspen Responses to Climatic Warming and Insect Defoliation in Western Canada Hogg

    E-Print Network [OSTI]

    USDA Forest Service Proceedings RMRS-P-18. 2001. 325 Modeling Aspen Responses to Climatic Warming Aspen Responses to Climatic Warming and Insect Defoliation in Western Canada E. H. (Ted) Hogg1 Abstract change on boreal aspen forests may not become evident until after major insect outbreaks have occurred

  19. April, 30 2005 Aspen, Colorado Andreas Haungs KASCADE-Grande Collaboration `Physics from the Knee to the Ankle Investigating the 2nd Knee

    E-Print Network [OSTI]

    April, 30 2005 ­ Aspen, Colorado Andreas Haungs ­ KASCADE-Grande Collaboration `Physics from@ik.fzk.de Forschungszentrum Karlsruhe in der Helmholtzgemeinschaft #12;April, 30 2005 ­ Aspen, Colorado Andreas Haungs of observables multi-detector system #12;April, 30 2005 ­ Aspen, Colorado Andreas Haungs ­ KASCADE

  20. Wesley Smith, U. Wisconsin, January 11, 2007 Aspen Winter Conference: Experimental QCD -1 QCD results from collidersQCD results from collidersQCD results from colliders

    E-Print Network [OSTI]

    Wesley Smith, U. Wisconsin, January 11, 2007 Aspen Winter Conference: Experimental QCD - 1 QCD results from collidersQCD results from collidersQCD results from colliders 2007 Aspen Winter Conference This talk is available on: http://www.hep.wisc.edu/wsmith/files/exp_qcd_smith_aspen07.pdf #12;Wesley Smith

  1. Quaking aspen productivity recovers after repeated prescribed fire. Forest Service research paper

    SciTech Connect (OSTI)

    Perala, D.A.

    1995-08-01T23:59:59.000Z

    Aspen yield may be less after burning slash left by clearcutting, but the study shows that repeated burning may ameliorate growth. Ultimately, aspen yield is determined by conditions that control growth, stockability, and site index. Site index was diminished by the initial burn and did not recover regardless of ensuing history. The response to subsequent burning suggests mitigation of the factors controlling stockability, thought to be related to the water balance. The responsible mechanism is not apparent from these data. Tree growth may follow different trajectories accompanied by more-or-less complementary survival trajectories. Thus stands may eventually converge on the same yield, distributed over different numbers of trees.

  2. Physical property parameter set for modeling ICPP aqueous wastes with ASPEN electrolyte NRTL model

    SciTech Connect (OSTI)

    Schindler, R.E.

    1996-09-01T23:59:59.000Z

    The aqueous waste evaporators at the Idaho Chemical Processing Plant (ICPP) are being modeled using ASPEN software. The ASPEN software calculates chemical and vapor-liquid equilibria with activity coefficients calculated using the electrolyte Non-Random Two Liquid (NRTL) model for local excess Gibbs free energies of interactions between ions and molecules in solution. The use of the electrolyte NRTL model requires the determination of empirical parameters for the excess Gibbs free energies of the interactions between species in solution. This report covers the development of a set parameters, from literature data, for the use of the electrolyte NRTL model with the major solutes in the ICPP aqueous wastes.

  3. The obscure events contributing to the evolution of an incipient sex chromosome in Populus A retrospective working hypothesis.

    SciTech Connect (OSTI)

    Tuskan, Gerald A [ORNL; Tschaplinski, Timothy J [ORNL; Chen, Jay [ORNL; Labbe, Jessy L [ORNL; Ranjan, Priya [ORNL; DiFazio, Steven P [West Virginia University; Slavov, Goncho T. [West Virginia University; Yin, Tongming [ORNL

    2012-01-01T23:59:59.000Z

    Genetic determination of gender is a fundamental developmental and evolutionary process in plants. Although it appears that dioecy in Populus is partially genetically controlled, the precise gender-determining systems remain unclear. The recently-released second draft assembly and annotated gene set of the Populus genome provided an opportunity to re-visit this topic. We hypothesized that over evolutionary time, selective pressure has reformed the genome structure and gene composition in the peritelomeric region of the chromosome XIX which has resulted in a distinctive genome structure and cluster of genes contributing to gender determination in Populus. Multiple lines of evidence support this working hypothesis. First, the peritelomeric region of the chromosome XIX contains significantly fewer single nucleotide polymorphisms than the rest of Populus genome and has a distinct evolutionary history. Second, the peritelomeric end of chromosome XIX contains the largest cluster of the nucleotide-binding site-leucine-rich repeat (NBS-LRR) class of disease resistances genes in the entire Populus genome. Third, there is a high occurrence of small microRNAs on chromosome XIX coincident to the region containing the putative gender-determining locus and the major cluster of NBS-LRR genes. Further, by analyzing the metabolomic profiles of floral bud in male and female Populus trees using a gas chromatography-mass spectrometry, we found there are gender-specific accumulations of phenolic glycosides. Taken together, these findings provide new insights into the genetic control of gender determination in Populus.

  4. Identification of quantitative trait loci and candidate genes for cadmium tolerance in Populus

    SciTech Connect (OSTI)

    Induri, Brahma R [West Virginia University; Ellis, Danielle R [West Virginia University; Slavov, Goncho T. [West Virginia University; Yin, Tongming [ORNL; Zhang, Xinye [ORNL; Tuskan, Gerald A [ORNL; DiFazio, Steven P [West Virginia University

    2012-01-01T23:59:59.000Z

    Understanding genetic variation for the response of Populus to heavy metals like cadmium (Cd) is an important step in elucidating the underlying mechanisms of tolerance. In this study, a pseudo-backcross pedigree of Populus trichocarpa Torr. & Gray and Populus deltoides Bart. was characterized for growth and performance traits after Cd exposure. A total of 16 quantitative trait loci (QTL) at logarithm of odds (LOD) ratio 2.5 were detected for total dry weight, its components and root volume. Major QTL for Cd responses were mapped to two different linkage groups and the relative allelic effects were in opposing directions on the two chromosomes, suggesting differential mechanisms at these two loci. The phenotypic variance explained by Cd QTL ranged from 5.9 to 11.6% and averaged 8.2% across all QTL. A whole-genome microarray study led to the identification of nine Cd-responsive genes from these QTL. Promising candidates for Cd tolerance include an NHL repeat membrane-spanning protein, a metal transporter and a putative transcription factor. Additional candidates in the QTL intervals include a putative homolog of a glutamate cysteine ligase, and a glutathione-S-transferase. Functional characterization of these candidate genes should enhance our understanding of Cd metabolism and transport and phytoremediation capabilities of Populus.

  5. RepPop: A Database for Repetitive Elements in Populus Trichocarpa

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

    Zhou, Fengfeng; Xu, Ying

    The populus was selected as the first tree with the genome to be sequenced, mainly due to its small genome size, the wide deployment worldwide (30+ species), and its short juvenile period. Its rich content of cellulose, which is one of the most important source for biofuel. A female clone of P. trichocarpa was chosen to be sequenced. The current assembly of Populus genome is release 1.0, whose small insert end-sequence coverage is 7.5X, and it was released in June 2004. It consists of 22,012 sequences (including the 19 chromosomes) and the total length is 485,510,911 bps. The data was downloaded from the offical site of the Populus trichocarpa genome sequencing project. The latest version of the genome can be found at the Poplar Genome Project at JGI Eukaryotic Genomics. Duplication regions introduce significant difficulties into the correct assemblying of sequence contigs. We identified all the repetitive elements in the populus genome. We further assign each of them as different classes of repetitive elements, including DNA transposons, RNA retrotransposons, Miniature Inverted-repeat Transposable Elements (MITE), Simple Sequence Repeats (SSR), and Segmental Duplications (SD), etc. We organized the annotations into this easily browsable, searchable, and blastable database, RepPop, for the whole community.[From website for RepPop at http://csbl.bmb.uga.edu/~ffzhou/RepPop/

  6. Global identification of miRNAs and targets in Populus euphratica under salt stress

    E-Print Network [OSTI]

    Deng, Xing-Wang

    Global identification of miRNAs and targets in Populus euphratica under salt stress Bosheng Li, a typical hydro-halophyte, is ideal for studying salt stress responses in woody plants. MicroRNAs (miRNA may regulate tolerance to salt stress but this has not been widely studied in P. euphratica

  7. Agricultural and Forest Entomology (2010), 12, 267276 DOI: 10.1111/j.1461-9563.2010.00475.x Effects of genotype, elevated CO2 and elevated O3 on aspen

    E-Print Network [OSTI]

    2010-01-01T23:59:59.000Z

    Effects of genotype, elevated CO2 and elevated O3 on aspen phytochemistry and aspen leaf beetle Chrysomela of Wisconsin-Madison, 839 Russell Labs, 1630 Linden Drive, Madison, WI 53706, U.S.A. Abstract 1 Trembling aspen influence phytochemistry and thereby alter the performance of insect herbivores such as the aspen leaf

  8. Identification of Quantitative Trait Loci (QTL) and Candidate Genes for Cadmium Tolerance in Populus

    SciTech Connect (OSTI)

    Induri, Brahma R [West Virginia University; Ellis, Danielle R [West Virginia University; Slavov, Gancho [West Virginia University; Yin, Tongming [ORNL; Muchero, Wellington [ORNL; Tuskan, Gerald A [ORNL; DiFazio, Stephen P [West Virginia University

    2012-01-01T23:59:59.000Z

    Knowledge of genetic variation in response of Populus to heavy metals like cadmium (Cd) is an important step in understanding the underlying mechanisms of tolerance. In this study, a pseudo-backcross pedigree of Populus trichocarpa and Populus deltoides was characterized for Cd exposure. The pedigree showed significant variation for Cd tolerance thus enabling the identification of relatively tolerant and susceptible genotypes for intensive characterization. A total of 16 QTLs at logarithm of odds (LOD) ratio > 2.5, were found to be associated with total dry weight, its components, and root volume. Four major QTLs for total dry weight were mapped to different linkage groups in control (LG III) and Cd conditions (LG XVI) and had opposite allelic effects on Cd tolerance, suggesting that these genomic regions were differentially controlled. The phenotypic variation explained by Cd QTL for all traits under study varied from 5.9% to 11.6% and averaged 8.2% across all QTL. Leaf Cd contents also showed significant variation suggesting the phytoextraction potential of Populus genotypes, though heritability of this trait was low (0.22). A whole-genome microarray study was conducted by using two genotypes with extreme responses for Cd tolerance in the above study and differentially expressed genes were identified. Candidate genes including CAD2 (CADMIUM SENSITIVE 2), HMA5 (HEAVY METAL ATPase5), ATGTST1 (Arabidopsis thaliana Glutathione S-Transferase1), ATGPX6 (Glutathione peroxidase 6), and ATMRP 14 (Arabidopsis thaliana Multidrug Resistance associated Protein 14) were identified from QTL intervals and microarray study. Functional characterization of these candidate genes could enhance phytoremediation capabilities of Populus.

  9. Final Harvest of Above-Ground Biomass and Allometric Analysis of the Aspen FACE Experiment

    SciTech Connect (OSTI)

    Mark E. Kubiske

    2013-04-15T23:59:59.000Z

    The Aspen FACE experiment, located at the US Forest Service Harshaw Research Facility in Oneida County, Wisconsin, exposes the intact canopies of model trembling aspen forests to increased concentrations of atmospheric CO2 and O3. The first full year of treatments was 1998 and final year of elevated CO2 and O3 treatments is scheduled for 2009. This proposal is to conduct an intensive, analytical harvest of the above-ground parts of 24 trees from each of the 12, 30 m diameter treatment plots (total of 288 trees) during June, July & August 2009. This above-ground harvest will be carefully coordinated with the below-ground harvest proposed by D.F. Karnosky et al. (2008 proposal to DOE). We propose to dissect harvested trees according to annual height growth increment and organ (main stem, branch orders, and leaves) for calculation of above-ground biomass production and allometric comparisons among aspen clones, species, and treatments. Additionally, we will collect fine root samples for DNA fingerprinting to quantify biomass production of individual aspen clones. This work will produce a thorough characterization of above-ground tree and stand growth and allocation above ground, and, in conjunction with the below ground harvest, total tree and stand biomass production, allocation, and allometry.

  10. Genome resequencing in Populus: Revealing large-scale genome variation and implications on specialized-trait genomics

    SciTech Connect (OSTI)

    Muchero, Wellington [ORNL] [ORNL; Labbe, Jessy L [ORNL] [ORNL; Priya, Ranjan [University of Tennessee, Knoxville (UTK)] [University of Tennessee, Knoxville (UTK); DiFazio, Steven P [West Virginia University, Morgantown] [West Virginia University, Morgantown; Tuskan, Gerald A [ORNL] [ORNL

    2014-01-01T23:59:59.000Z

    To date, Populus ranks among a few plant species with a complete genome sequence and other highly developed genomic resources. With the first genome sequence among all tree species, Populus has been adopted as a suitable model organism for genomic studies in trees. However, far from being just a model species, Populus is a key renewable economic resource that plays a significant role in providing raw materials for the biofuel and pulp and paper industries. Therefore, aside from leading frontiers of basic tree molecular biology and ecological research, Populus leads frontiers in addressing global economic challenges related to fuel and fiber production. The latter fact suggests that research aimed at improving quality and quantity of Populus as a raw material will likely drive the pursuit of more targeted and deeper research in order to unlock the economic potential tied in molecular biology processes that drive this tree species. Advances in genome sequence-driven technologies, such as resequencing individual genotypes, which in turn facilitates large scale SNP discovery and identification of large scale polymorphisms are key determinants of future success in these initiatives. In this treatise we discuss implications of genome sequence-enable technologies on Populus genomic and genetic studies of complex and specialized-traits.

  11. Genome resequencing reveals multiscale geographic structure and extensive linkage disequilibrium in the forest tree Populus trichocarpa

    SciTech Connect (OSTI)

    Slavov, Gancho [West Virginia University; DiFazio, Stephen P [West Virginia University; Martin, Joel R [ORNL; Schackwitz, Wendy [U.S. Department of Energy, Joint Genome Institute; Muchero, Wellington [ORNL; Rodgers-Melnick, Eli [West Virginia University; Lipphardt, Mindie [West Virginia University; Pennacchio, Christa [U.S. Department of Energy, Joint Genome Institute; Hellsten, Uffe [U.S. Department of Energy, Joint Genome Institute; Pennacchio, Len [U.S. Department of Energy, Joint Genome Institute; Gunter, Lee [ORNL; Ranjan, Priya [ORNL; Strauss, Steven [Oregon State University, Corvallis; Rokhsar, Daniel [U.S. Department of Energy, Joint Genome Institute; Tuskan, Gerald A [ORNL

    2012-01-01T23:59:59.000Z

    Population genomics of forest trees provides crucial information for breeding, conservation, and bioenergy feedstock development. As part of a large-scale association study, we resequenced 16 genomes of the model tree Populus trichocarpa to an average depth of 39 . Analyses of the resulting data revealed surprisingly extensive population genetic structure and decay of linkage disequilibrium over much larger physical distances than the expected based on previous, smaller-scale studies. Rates of recombination varied widely across the genome but were largely predictable based on DNA sequence and methylation patterns. Our results suggest that genomewide association studies and accurate prediction of phenotypes from DNA data are more feasible in Populus than previously assumed, thereby laying the foundation for a step change in our understanding of tree biology.

  12. The Forest-Atmospheric Carbon Transfer and Storage-II (FACTS-II): Aspen FACE project

    SciTech Connect (OSTI)

    Karnosky, D.F.; Pregitzer, K. [Michigan Technological Univ., Houghton, MI (United States). School of Forestry and Wood Products; Hendrey, G. [Brookhaven National Lab., Upton, NY (United States); Isebrands, J.G. [Forest Service, Rhinelander, WI (United States)

    1998-02-01T23:59:59.000Z

    The FACTS II (Aspen FACE) infrastructure including 12 FACE rings, a central control facility, a central CO{sub 2} and O{sub 3} receiving and storage area, a central O{sub 3} generation system, and a dispensing system for CO{sub 2} and O{sub 3} was completed in 1997. The FACE rings were planted with over 10,000 plants (aspen, birch and maple). The entire system was thoroughly tested for both CO{sub 2} and O{sub 3} and was shown to be effective in delivering elevated CO{sub 2} and/or O{sub 3} on demand and at predetermined set points. The NCASI support to date has been extremely helpful in matching support for federal grants.

  13. Genetic Augmentation of Syringyl Lignin in Low-lignin Aspen Trees, Final Report

    SciTech Connect (OSTI)

    Chung-Jui Tsai; Mark F. Davis; Vincent L. Chiang

    2004-11-10T23:59:59.000Z

    As a polysaccharide-encrusting component, lignin is critical to cell wall integrity and plant growth but also hinders recovery of cellulose fibers during the wood pulping process. To improve pulping efficiency, it is highly desirable to genetically modify lignin content and/or structure in pulpwood species to maximize pulp yields with minimal energy consumption and environmental impact. This project aimed to genetically augment the syringyl-to-guaiacyl lignin ratio in low-lignin transgenic aspen in order to produce trees with reduced lignin content, more reactive lignin structures and increased cellulose content. Transgenic aspen trees with reduced lignin content have already been achieved, prior to the start of this project, by antisense downregulation of a 4-coumarate:coenzyme A ligase gene (Hu et al., 1999 Nature Biotechnol 17: 808- 812). The primary objective of this study was to genetically augment syringyl lignin biosynthesis in these low-lignin trees in order to enhance lignin reactivity during chemical pulping. To accomplish this, both aspen and sweetgum genes encoding coniferaldehyde 5-hydroxylase (Osakabe et al., 1999 PNAS 96: 8955-8960) were targeted for over-expression in wildtype or low-lignin aspen under control of either a constitutive or a xylem-specific promoter. A second objective for this project was to develop reliable and cost-effective methods, such as pyrolysis Molecular Beam Mass Spectrometry and NMR, for rapid evaluation of cell wall chemical components of transgenic wood samples. With these high-throughput techniques, we observed increased syringyl-to-guaiacyl lignin ratios in the transgenic wood samples, regardless of the promoter used or gene origin. Our results confirmed that the coniferaldehyde 5-hydroxylase gene is key to syringyl lignin biosynthesis. The outcomes of this research should be readily applicable to other pulpwood species, and promise to bring direct economic and environmental benefits to the pulp and paper industry.

  14. Report to the members of the SPSC on the FNAL physics advisory Committee (P.A.C.) held in Aspen in June 1979

    E-Print Network [OSTI]

    Musset, P

    1979-01-01T23:59:59.000Z

    Report to the members of the SPSC on the FNAL physics advisory Committee (P.A.C.) held in Aspen in June 1979

  15. Twenty-One Genome Sequences from Pseudomonas Species and 19 Genome Sequences from Diverse Bacteria Isolated from the Rhizosphere and Endosphere of Populus deltoides

    SciTech Connect (OSTI)

    Brown, Steven D [ORNL; Utturkar, Sagar M [ORNL; Klingeman, Dawn Marie [ORNL; Johnson, Courtney M [ORNL; Martin, Stanton [ORNL; Land, Miriam L [ORNL; Lu, Tse-Yuan [ORNL; Schadt, Christopher Warren [ORNL; Doktycz, Mitchel John [ORNL; Pelletier, Dale A [ORNL

    2012-01-01T23:59:59.000Z

    To aid in the investigation of the Populus deltoides microbiome we generated draft genome sequences for twenty one Pseudomonas and twenty one other diverse bacteria isolated from Populus deltoides roots. Genome sequences for isolates similar to Acidovorax, Bradyrhizobium, Brevibacillus, Burkholderia, Caulobacter, Chryseobacterium, Flavobacterium, Herbaspirillum, Novosphingobium, Pantoea, Phyllobacterium, Polaromonas, Rhizobium, Sphingobium and Variovorax were generated.

  16. Development of an ASPEN PLUS physical property database for biofuels components

    SciTech Connect (OSTI)

    Wooley, R.J.; Putsche, V.

    1996-04-01T23:59:59.000Z

    Physical property data for many of the key components used in the simulation for the ethanol from lignocellulose process are not available in the standard ASPEN PLUS property databases. Indeed, many of the properties necessary to successfully simulate this process are not available anywhere. In addition, inputting the available properties into each simulation is awkward and tedious, and mistakes can be easily introduced when a long list of physical property equation parameters is entered. Therefore, one must evaluate the literature, estimate properties where necessary, and determine a set of consistent physical properties for all components of interest. The components must then be entered into an in-house NREL ASPEN PLUS database so they can be called on without being retyped into each specific simulation. The first phase of this work is complete. A complete set of properties for the currently identifiable important compounds in the ethanol process is attached. With this as the starting base the authors can continue to search for and evaluate new properties or have properties measured in the laboratory and update the central database.

  17. Ecology 2003 17, 289304

    E-Print Network [OSTI]

    forests to elevated CO2: a synthesis of molecular to ecosystem results from the Aspen FACE project D. F different functional groups (the indeterminate, pioneer, O3-sensitive species Trembling Aspen, Populus remarkably consist- ent in pure Aspen stands and in mixed Aspen/Birch and Aspen/Maple stands, from leaf

  18. Population genomics of Populus trichocarpa identifies signatures of selection and adaptive trait associations

    SciTech Connect (OSTI)

    Evans, Luke M [West Virginia University, Morgantown; Slavov, Gancho [West Virginia University, Morgantown; Rodgers-Melnick, Eli [West Virginia University, Morgantown; Martin, Joel [U.S. Department of Energy, Joint Genome Institute; Ranjan, Priya [ORNL; Muchero, Wellington [ORNL; Brunner, Amy M. [Virginia Polytechnic Institute and State University; Schackwitz, Wendy [U.S. Department of Energy, Joint Genome Institute; Gunter, Lee E [ORNL; Chen, Jay [ORNL; Tuskan, Gerald A [ORNL; Difazio, Stephen P. [West Virginia University, Morgantown

    2014-01-01T23:59:59.000Z

    Forest trees are dominant components of terrestrial ecosystems that have global ecological and economic importance. Despite distributions that span wide environmental gradients, many tree populations are locally adapted, and mechanisms underlying this adaptation are poorly understood. Here we use a combination of whole-genome selection scans and association analyses of 544 Populus trichocarpa trees to reveal genomic bases of adaptive variation across a wide latitudinal range. Three hundred ninety-seven genomic regions showed evidence of recent positive and/or divergent selection and enrichment for associations with adaptive traits that also displayed patterns consistent with natural selection. These regions also provide unexpected insights into the evolutionary dynamics of duplicated genes and their roles in adaptive trait variation.

  19. Genome-Scale Discovery of Cell Wall Biosynthesis Genes in Populus (JGI Seventh Annual User Meeting 2012: Genomics of Energy and Environment)

    SciTech Connect (OSTI)

    Muchero, Wellington [Oak Ridge National Laboratory] [Oak Ridge National Laboratory

    2012-03-22T23:59:59.000Z

    Wellington Muchero from Oak Ridge National Laboratory gives a talk titled "Discovery of Cell Wall Biosynthesis Genes in Populus" at the JGI 7th Annual Users Meeting: Genomics of Energy & Environment Meeting on March 22, 2012 in Walnut Creek, California.

  20. Genome-Scale Discovery of Cell Wall Biosynthesis Genes in Populus (JGI Seventh Annual User Meeting 2012: Genomics of Energy and Environment)

    ScienceCinema (OSTI)

    Muchero, Wellington [Oak Ridge National Laboratory

    2013-01-22T23:59:59.000Z

    Wellington Muchero from Oak Ridge National Laboratory gives a talk titled "Discovery of Cell Wall Biosynthesis Genes in Populus" at the JGI 7th Annual Users Meeting: Genomics of Energy & Environment Meeting on March 22, 2012 in Walnut Creek, California.

  1. A 34K SNP genotyping array for Populus trichocarpa: design, application to the study of natural populations and transferability to other Populus species

    SciTech Connect (OSTI)

    Geraldes, Armando [University of British Columbia, Vancouver; Hannemann, Jan [University of Victoria, Canada; Grassa, Chris [University of British Columbia, Vancouver; Farzaneh, Nima [University of British Columbia, Vancouver; Porth, Ilga [University of British Columbia, Vancouver; McKown, Athena [University of British Columbia, Vancouver; Skyba, Oleksandr [University of British Columbia, Vancouver; Li, Eryang [University of British Columbia, Vancouver; Mike, Fujita [University of British Columbia, Vancouver; Friedmann, Michael [University of British Columbia, Vancouver; Wasteneys, Geoffrey [University of British Columbia, Vancouver; Guy, Robert [University of British Columbia, Vancouver; El-Kassaby, Yousry [University of British Columbia, Vancouver; Mansfield, Shawn [University of British Columbia, Vancouver; Cronk, Quentin [University of British Columbia, Vancouver; Ehlting, Juergen [University of Victoria, Canada; Douglas, Carl [University of British Columbia, Vancouver; DiFazio, Stephen P [West Virginia University, Morgantown; Slavov, Gancho [West Virginia University, Morgantown; Ranjan, Priya [ORNL; Muchero, Wellington [ORNL; Gunter, Lee E [ORNL; Wymore, Ann [ORNL; Tuskan, Gerald A [ORNL; Martin, Joel [U.S. Department of Energy, Joint Genome Institute; Schackwitz, Wendy [U.S. Department of Energy, Joint Genome Institute; Pennacchio, Christa [U.S. Department of Energy, Joint Genome Institute; Rokhsar, Daniel [U.S. Department of Energy, Joint Genome Institute

    2013-01-01T23:59:59.000Z

    Genetic mapping of quantitative traits requires genotypic data for large numbers of markers in many individuals. Despite the declining costs of genotyping by sequencing, for most studies, the use of large SNP genotyping arrays still offers the most cost-effective solution for large-scale targeted genotyping. Here we report on the design and performance of a SNP genotyping array for Populus trichocarpa (black cottonwood). This genotyping array was designed with SNPs pre-ascertained in 34 wild accessions covering most of the species range. Due to the rapid decay of linkage disequilibrium in P. trichocarpa we adopted a candidate gene approach to the array design that resulted in the selection of 34,131 SNPs, the majority of which are located in, or within 2 kb, of 3,543 candidate genes. A subset of the SNPs (539) was selected based on patterns of variation among the SNP discovery accessions. We show that more than 95% of the loci produce high quality genotypes and that the genotyping error rate for these is likely below 2%, indicating that high-quality data are generated with this array. We demonstrate that even among small numbers of samples (n=10) from local populations over 84% of loci are polymorphic. We also tested the applicability of the array to other species in the genus and found that due to ascertainment bias the number of polymorphic loci decreases rapidly with genetic distance, with the largest numbers detected in other species in section Tacamahaca (P. balsamifera and P. angustifolia). Finally, we provide evidence for the utility of the array for intraspecific studies of genetic differentiation and for species assignment and the detection of natural hybrids.

  2. A genomics investigation of partitioning into and among flavonoid-derived condensed tannins for carbon sequestration in Populus

    SciTech Connect (OSTI)

    Harding, Scott, A; Tsai, Chung-jui; Lindroth, Richard, L

    2013-03-24T23:59:59.000Z

    The project set out to use comparative (genotype and treatment) and transgenic approaches to investigate the determinants of condensed tannin (CT) accrual and chemical variability in Populus. CT type and amount are thought to effect the decomposition of plant detritus in the soil, and thereby the sequestering of carbon in the soil. The stated objectives were: 1. Genome-wide transcriptome profiling (microarrays) to analyze structural gene, transcription factor and metabolite control of CT partitioning; 2. Transcriptomic (microarray) and chemical analysis of ontogenetic effects on CT and PG partitioning; and 3. Transgenic manipulation of flavonoid biosynthetic pathway genes to modify the control of CT composition. Objective 1: A number of approaches for perturbing CT content and chemistry were tested in Objective 1, and those included nitrogen deficit, leaf wounding, drought, and salicylic acid spraying. Drought had little effect on CTs in the genotypes we used. Plants exhibited unpredictability in their response to salicylic acid spraying, leading us to abandon its use. Reduced plant nitrogen status and leaf wounding caused reproducible and magnitudinally striking increases in leaf CT content. Microarray submissions to NCBI from those experiments are the following: GSE ID 14515: Comparative transcriptomics analysis of Populus leaves under nitrogen limitation: clone 1979. Public on Jan 04, 2010; Contributor(s) Harding SA, Tsai C GSE ID 14893: Comparative transcriptomics analysis of Populus leaves under nitrogen limitation: clone 3200. Public on Feb 19, 2009; Contributor(s) Harding SA, Tsai C GSE ID 16783 Wound-induced gene expression changes in Populus: 1 week; clone RM5. Status Public on Dec 01, 2009; Contributor(s) Harding SA, Tsai C GSE ID 16785 Wound-induced gene expression changes in Populus: 90 hours; clone RM5 Status Public on Dec 01, 2009; Contributor(s) Harding SA, Tsai C Although CT amount changed in response to treatments, CT composition was essentially conserved. Overall phenylpropanoid composition exhibited changes due to large effects on phenolic glycosides containing a salicin moiety. There were no effects on lignin content. Efforts to publish this work continue, and depend on additional data which we are still collecting. This ongoing work is expected to strengthen our most provocative metabolic profiling data which suggests as yet unreported links controlling the balance between the two major leaf phenylpropanoid sinks, the CTs and the salicin-PGs. Objective 2: Ontogenic effects on leaf CT accrual and phenylpropanoid complexity (Objective 2) have been reported in the past and we contributed two manuscripts on how phenylpropanoid sinks in roots and stems could have an increasing effect on leaf CT as plants grow larger and plant proportions of stem, root and leaf change. Tsai C.-J., El Kayal W., Harding S.A. (2006) Populus, the new model system for investigating phenylpropanoid complexity. International Journal of Applied Science and Engineering 4: 221-233. We presented evidence that flavonoid precursors of CT rapidly decline in roots under conditions that favor CT accrual in leaves. Harding SA, Jarvie MM, Lindroth RL, Tsai C-J (2009) A comparative analysis of phenylpropanoid metabolism, N utilization and carbon partitioning in fast- and slow-growing Populus hybrid clones. Journal of Experimental Botany. 60:3443-3452. We presented evidence that nitrogen delivery to leaves as a fraction of nitrogen taken up by the roots is lower in high leaf CT genotypes. We presented a hypothesis from our data that N was sequestered in proportion to lignin content in stem tissues. Low leaf N content and high leaf CT in genotypes with high stem lignin was posited to be a systemic outcome of N demand in lignifiying stem tissues. Thereby, stem lignin and leaf CT accrual might be systemically linked, placing control of leaf phenylpropanoids under systemic rather than solely organ specific determinants. Analyses of total structural and non-structural carbohydrates contributed to the model presented. Harding SA, Xue L, Du L, Nyamd

  3. Full employment and competition in the Aspen economic model: implications for modeling acts of terrorism.

    SciTech Connect (OSTI)

    Sprigg, James A.; Ehlen, Mark Andrew

    2004-11-01T23:59:59.000Z

    Acts of terrorism could have a range of broad impacts on an economy, including changes in consumer (or demand) confidence and the ability of productive sectors to respond to changes. As a first step toward a model of terrorism-based impacts, we develop here a model of production and employment that characterizes dynamics in ways useful toward understanding how terrorism-based shocks could propagate through the economy; subsequent models will introduce the role of savings and investment into the economy. We use Aspen, a powerful economic modeling tool developed at Sandia, to demonstrate for validation purposes that a single-firm economy converges to the known monopoly equilibrium price, output, and employment levels, while multiple-firm economies converge toward the competitive equilibria typified by lower prices and higher output and employment. However, we find that competition also leads to churn by consumers seeking lower prices, making it difficult for firms to optimize with respect to wages, prices, and employment levels. Thus, competitive firms generate market ''noise'' in the steady state as they search for prices and employment levels that will maximize profits. In the context of this model, not only could terrorism depress overall consumer confidence and economic activity but terrorist acts could also cause normal short-run dynamics to be misinterpreted by consumers as a faltering economy.

  4. Genome anchored QTLs for biomass productivity in Hybrid Populus: Heterosis and detection across Contrasting Environments.

    SciTech Connect (OSTI)

    Muchero, Wellington [ORNL; Sewell, Mitchell [ORNL; Gunter, Lee E [ORNL; Tschaplinski, Timothy J [ORNL; Yin, Tongming [ORNL; DiFazio, Steven P [West Virginia University; Tuskan, Gerald A [ORNL

    2013-01-01T23:59:59.000Z

    Traits related to biomass production were analyzed for the presence of quantitative trait loci (QTLs) in an interspecific F2 population derived from an outbred Populus trichocarpa P. deltoides parental cross. Three years of phenotypic data for stem growth traits (height and diameter) were collected from two parental, two F1 and 339 F2 trees in a clonal trial replicated both within and among two environmentally contrasting sites in the North American Pacific Northwest. A genetic linkage map comprised of 841 SSR, AFLP, and RAPD markers and phenotypic data from 310 progeny were used to identify genomic regions harboring QTL using the Multiple-QTL Model (MQM) package of the statistical program MapQTL 6. A total of twelve QTLs, nine putative and three suggestive, were identified with eight of these being identified at both sites in at least one experiment. Of these, three putative QTL BM-1, BM-2, BM-7, on LGs I, II, and XIV, respectively, were identified in all three years for both height and diameter. Two QTLs BM-2 and BM-7, on LG II and XIV, respectively, exhibited significant evidence of over-dominance in all three years for both traits. Conversely a QTL on BM-6 LG XIII exhibited out-breeding depression in two years for both height and diameter. The remaining nine QTLs showed difference levels of dominance and additive effects. Seven of the nine QTL were successfully anchored and QTL peak positions were estimated for each one on the P. trichocarpa genome assembly using flanking SSR markers with known physical positions positions. QTL BM-7 on LG XIV had been anchored on the genome assembly in a previous study, therefore eight QTLs identified in this study were assigned genome assembly positions. Physical distances encompassed by each QTL regions ranged from 1.3 to 8.8 Mb.

  5. DISTRIBUTION John R. Jones

    E-Print Network [OSTI]

    DISTRIBUTION John R. Jones Qualung aspen is the most widely distributed native North American tree aspen (Populus tremula), has a wider range (Weigle and Frothingham 1911). In the humid East, aspen plateaus. Aspen is one of the most common trees in the interior West, where its range (fig.1)coincides

  6. ASPEN simulation of the SNG production process in an indirect coal-liquefaction plant

    SciTech Connect (OSTI)

    Bistline, J E; Shafer, T B

    1982-08-01T23:59:59.000Z

    The synthetic natural gas (SNG) production process (methanation, CO-shift, and hydrogen removal) in an indirect coal-liquefaction plant was simulated using the Advanced System for Process Engineering (ASPEN). The simulation of the methanation unit agreed to within 12% of Fluor's design for converting carbon monoxide and carbon dioxide. A parametric study examined the effect of four important operating parameters on product composition, process thermal efficiency, and outlet temperature from the second methanation reactor. The molar split of gas feed to the CO-shift unit before methanation was varied from 0.2 to 0.6; variations of molar recycle ratio (0.01 - 0.67), molar steam-to-feed ratio (0.04 - 0.19), and feed temperature (478 - 533 K, 400-500/sup 0/F) to the first methanation reactor were also studied. A 50%-lower split improved thermal efficiency by 6%, but the mole % hydrogen and carbon monoxide in the product SNG required to meet pipeline-quality standards and temperature constraints were not met. Increasing the steam-to-feed ratio from 0.04 to 0.19 improved product quality but decreased thermal efficiency by 8%. By decreasing the feed temperature from 533 to 477 K (500 to 400/sup 0/F), product specifications and temperature constraints were met with no effect on thermal efficiency. However, it may be impractical to operate the reactor at 477 K (400/sup 0/F) because the kinetics are too slow. Increasing the recycle ratio from 0.4 to 0.67 had no effect on thermal efficiency, and temperature constraints and product specifications were met. The SNG production process should be optimized at recycle ratios above 0.67.

  7. Genetic Analysis in Populus Reveals Potential to Enhance Soil Carbon Sequestration In a paper published in the August, 2005 issue of Canadian Journal of Forest Research, scientists

    E-Print Network [OSTI]

    Genetic Analysis in Populus Reveals Potential to Enhance Soil Carbon Sequestration In a paper carbon sequestration by an estimated 0.35Gt carbon/year. This represents ca. 4% of global carbon in terrestrial ecosystems. This work is supported by research funded through the Carbon Sequestration Program

  8. Field performance of 'populus' in short-rotation intensive culture plantations in the north-central US Forest Service research paper

    SciTech Connect (OSTI)

    Hansen, E.A.; Ostry, M.E.; Johnson, W.D.; Tolsted, D.N.; Netzer, D.A.

    1994-01-01T23:59:59.000Z

    The report describes a network of short-rotation Populus research and demonstration plantations that has been established across a 5-State region in the north-central U.S. to identify suitable hybrid poplar clones for large-scale biomass plantations in the region. Reports 6-year results.

  9. Performance of insect-resistant Bacillus thuringiensis (Bt)-expressing aspens under semi-natural field conditions including natural herbivory in Sweden

    E-Print Network [OSTI]

    LeRoy, Carri J.

    J. LeRoy b a Department of Wildlife, Fish and Environmental Studies, Swedish University of Agricultural Science, SE-901 83 Umeå, Sweden b Environmental Studies Program, Evergreen State College, Olympia modification Populus Field trial Biotechnology Anti-herbivore defense a b s t r a c t The intent with insect

  10. Simulating the growth response of aspen to elevated ozone: a mechanistic approach to scaling a leaf-level model of ozone effects

    E-Print Network [OSTI]

    Simulating the growth response of aspen to elevated ozone: a mechanistic approach to scaling a leaf-level model of ozone effects on photosynthesis to a complex canopy architecture§ M.J. Martina, *, G.E. Hosta; accepted 17 July 2001 ``Capsule'': A process model is described that predicts the relative effects of ozone

  11. ASPEN PLUS modeling of the SRC-I Demonstration Plant. Task 2: SRC unit detailed model report

    SciTech Connect (OSTI)

    Kalb, C.E.; Guro, D.E.; Bixler, A.D.; Vakil, T.D.

    1984-09-28T23:59:59.000Z

    A detailed model of the SRC process areas of the SRC-I Demonstration Plant was developed using the ASPEN PLUS process simulator. The model permits, for the first time, steady-state flowsheet convergence for the entire SRC process area in a single computer run. Simulation results are presented based on new thermodynamic correlations derived from experimental data on coal liquids. The correlations predict separations in certain key vessels which are rather different from those in the current SRC-I Baseline Design, which was based on conventional petroleum thermophysical properties. The differences are discussed in-light of their effects on equipment configuration and size. Distillation column parameters were adjusted to maintain the purity specifications of the major product streams. Split fractions based on the coal-liquids results are presented which can be used in the Task 1 SRC area summary model. Notes: Task 2, Appendices 2 is DOE/OR/21486--T8. 5 references, 32 tables.

  12. Colorado State University Cooperative Extension. 12/97.

    E-Print Network [OSTI]

    twiggall fly produces a smooth knot-like gall on the twigs of aspen. These galls continue to expand the Front Range. It is found on the twigs and branches of cottonwoods, poplars and, particularly, aspen been limited to aspen. However, small numbers of galls sometimes can be seen on other Populus species

  13. IMPACTS OF INTERACTING ELEVATED ATMOSPHERIC CO2 AND O3 ON THE STRUCTURE AND FUNCTIONING OF A NORTHERN FOREST ECOSYSTEM: OPERATING AND DECOMMISSIONING THE ASPEN FACE PROJECT

    SciTech Connect (OSTI)

    Burton, Andrew J. [Michigan Technological University; Zak, Donald R. [University of Michigan; Kubiske, Mark E. [USDA Forest Service; Pregitzer, Kurt S. [University of Idaho

    2014-06-30T23:59:59.000Z

    Two of the most important and pervasive greenhouse gases driving global change and impacting forests in the U.S. and around the world are atmospheric CO2 and tropospheric O3. As the only free air, large-scale manipulative experiment studying the interaction of elevated CO2 and O3 on forests, the Aspen FACE experiment was uniquely designed to address the long-term ecosystem level impacts of these two greenhouse gases on aspen-birch-maple forests, which dominate the richly forested Lake States region. The project was established in 1997 to address the overarching scientific question: “What are the effects of elevated [CO2] and [O3], alone and in combination, on the structure and functioning of northern hardwood forest ecosystems?” From 1998 through the middle of the 2009 growing season, we examined the interacting effects of elevated CO2 and O3 on ecosystem processes in an aggrading northern forest ecosystem to compare the responses of early-successional, rapid-growing shade intolerant trembling aspen and paper birch to those of a late successional, slower growing shade tolerant sugar maple. Fumigations with elevated CO2 (560 ppm during daylight hours) and O3 (approximately 1.5 x ambient) were conducted during the growing season from 1998 to 2008, and in 2009 through harvest date. Response variables quantified during the experiment included growth, competitive interactions and stand dynamics, physiological processes, plant nutrient status and uptake, tissue biochemistry, litter quality and decomposition rates, hydrology, soil respiration, microbial community composition and respiration, VOC production, treatment-pest interactions, and treatment-phenology interactions. In 2009, we conducted a detailed harvest of the site. The harvest included detailed sampling of a subset of trees by component (leaves and buds, fine branches, coarse branches and stem, coarse roots, fine roots) and excavation of soil to a depth of 1 m. Throughout the experiment, aspen and birch photosynthesis increased with elevated CO2 and tended to decrease with elevated O3, compared to the control. In contrast to aspen and birch, maple photosynthesis was not enhanced by elevated CO2. Elevated O3 did not cause significant reductions in maximum photosynthesis in birch or maple. In addition, photosynthesis in ozone sensitive clones was affected to a much greater degree than that in ozone tolerant aspen clones. Treatment effects on photosynthesis contributed to CO2 stimulation of aboveground and belowground growth that was species and genotype dependent, with birch and aspen being most responsive and maple being least responsive. The positive effects of elevated CO2 on net primary productivity NPP were sustained through the end of the experiment, but negative effects of elevated O3 on NPP had dissipated during the final three years of treatments. The declining response to O3 over time resulted from the compensatory growth of O3-tolerant genotypes and species as the growth of O3-sensitive individuals declined over time. Cumulative NPP over the entire experiment was 39% greater under elevated CO2 and 10% lower under elevated O3. Enhanced NPP under elevated CO2 was sustained by greater root exploration of soil for growth-limiting N, as well as more rapid rates of litter decomposition and microbial N release during decay. Results from Aspen FACE clearly indicate that plants growing under elevated carbon dioxide, regardless of community type or ozone level, obtained significantly greater amounts of soil N. These results indicate that greater plant growth under elevated carbon dioxide has not led to “progressive N limitation”. If similar forests growing throughout northeastern North America respond in the same manner, then enhanced forest NPP under elevated CO2 may be sustained for a longer duration than previously thought, and the negative effect of elevated O3 may be diminished by compensatory growth of O3-tolerant plants as they begin to dominate forest communities. By the end of the experiment, elevated CO2 increased ecosystem C content by 11%, whereas

  14. Aspen Code Development Collaboration

    SciTech Connect (OSTI)

    none,; Cherry, Robert S. [INL] INL; Richard, Boardman D. [INL] INL

    2013-10-03T23:59:59.000Z

    Wyoming has a wealth of primary energy resources in the forms of coal, natural gas, wind, uranium, and oil shale. Most of Wyoming?s coal and gas resources are exported from the state in unprocessed form rather than as refined higher value products. Wyoming?s leadership recognizes the opportunity to broaden the state?s economic base energy resources to make value-added products such as synthetic vehicle fuels and commodity chemicals. Producing these higher value products in an environmentally responsible manner can benefit from the use of clean energy technologies including Wyoming?s abundant wind energy and nuclear energy such as new generation small modular reactors including the high temperature gas-cooled reactors.

  15. Owyhee Subbasin Plan Appendix 2 for the Technical Assessment (Chapter 2)

    E-Print Network [OSTI]

    ................................................................................................................... 2 Aspen

  16. Aspen Aerogels | 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 onYou are now leaving Energy.gov You are now leaving Energy.gov You are beingZealand Jump to:Ezfeedflag JumpID-fTriWildcatAntrimArkansasAshford,Asotin County, Washington: Energy

  17. Aspen Pipeline | 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 onYou are now leaving Energy.gov You are now leaving Energy.gov You are beingZealand Jump to:Ezfeedflag JumpID-fTriWildcatAntrimArkansasAshford,Asotin County, Washington:

  18. Thermodynamic Phase And Chemical Equilibrium At 0-110 C For The H+-K+-Na+-Cl--H2O System Up To 16 Molal And The HNO3-H2O System Up To 20 Molal Using An Association-Based Pitzer Model Compatible With ASPEN Plus

    SciTech Connect (OSTI)

    Nichols,T.T.; Taylor,D.D.

    2003-09-26T23:59:59.000Z

    A status is presented of the parameterization during FY2003 of an association-based Pitzer model to simulate chemical and phase equilibria of acid-chloride-nitrate-mercury aqueous electrolyte systems at 0-100 C within the industry-standard process simulator, ASPEN Plus. Compatibility with ASPEN Plus requires that the Pitzer model used be limited to the third virial coefficient and have the values of b and a1 as originally proposed by Pitzer. Two aqueous models for 0-110 C at atmospheric pressure were parameterized in FY03. The model for the aqueous H+-K+-Na+-Cl- system is applicable for 0-16 molal, and the HNO3-H2O for 0-20 molal. An association-based Pitzer activity coefficient model is combined with Henry's law to predict activity/osmotic coefficient and VLE. The chloride model also predicts KCl and NaCl solubility, while the nitric acid model has the unique capability of predicting extent of dissociation with an average absolute deviation of 1.43%. The association-based approach presented here extends the utility of the molality-based Pitzer model past 6 molal to predict activity/osmotic coefficients up to 16-20 molal. The association-based approach offers the additional benefits of predicting extent of dissociation and of allowing the Pitzer model to be fully utilized in commercial simulators, such as ASPEN Plus, that require accounting for association to implement Henry's law. The Pitzer models presented here provide the chemical process simulation engineer with a superior alternative to the Electrolyte NRTL model that can easily be used in ASPEN Plus.

  19. Thermodynamic Phase And Chemical Equilibrium At 0-110°C For The H+-K+-Na+-Cl--H2O System Up To 16 Molal And The HNO3-H2O System Up To 20 Molal Using An Association-Based Pitzer Model Compatible With ASPEN Plus

    SciTech Connect (OSTI)

    Todd T. Nichols; Dean D. Taylor

    2003-09-01T23:59:59.000Z

    A status is presented of the parameterization during FY2003 of an association-based Pitzer model to simulate chemical and phase equilibria of acid-chloride-nitrate-mercury aqueous electrolyte systems at 0-100° C within the industry-standard process simulator, ASPEN Plus. Compatibility with ASPEN Plus requires that the Pitzer model used be limited to the third virial coefficient and have the values of b and a1 as originally proposed by Pitzer. Two aqueous models for 0-110° C at atmospheric pressure were parameterized in FY03. The model for the aqueous H+-K+-Na+-Cl- system is applicable for 0-16 molal, and the HNO3-H2O for 0-20 molal. An association-based Pitzer activity coefficient model is combined with Henry.s law to predict activity/osmotic coefficient and VLE. The chloride model also predicts KCl and NaCl solubility, while the nitric acid model has the unique capability of predicting extent of dissociation with an average absolute deviation of 1.43%. The association-based approach presented here extends the utility of the molality-based Pitzer model past 6 molal to predict activity/osmotic coefficients up to 16-20 molal. The association-based approach offers the additional benefits of predicting extent of dissociation and of allowing the Pitzer model to be fully utilized in commercial simulators, such as ASPEN Plus, that require accounting for association to implement Henry’s law. The Pitzer models presented here provide the chemical process simulation engineer with a superior alternative to the Electrolyte NRTL model that can easily be used in ASPEN Plus.

  20. John Day Subbasin Revised Draft Plan March 15, 2005 Appendix Table of Contents

    E-Print Network [OSTI]

    ....................................................................................... 111 Quaking Aspen

  1. Aspen, Colorado: Community Energy Strategic Planning Process...

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

    and I'm hoping to get all of you thinking about some possible ways to finance your energy goals and strategies. So my presentation will touch briefly on two foundational goals...

  2. Modeling actinide chemistry with ASPEN PLUS

    SciTech Connect (OSTI)

    Grigsby, C.O.

    1995-12-31T23:59:59.000Z

    When chemical engineers think of chemical processing, they often do not include the US government or the national laboratories as significant participants. Compared to the scale of chemical processing in the chemical process, petrochemical and pharmaceutical industries, the government contribution to chemical processing is not large. However, for the past fifty years, the US government has been, heavily involved in chemical processing of some very specialized materials, in particular, uranium and plutonium for nuclear weapons. Individuals and corporations have paid taxes that, in part have been used to construct and to maintain a series of very expensive laboratories and production facilities throughout the country. Even ignoring the ongoing R & D costs, the price per pound of enriched uranium or of plutonium exceeds that of platinum by a wide margin. Now, with the end of the cold war, the government is decommissioning large numbers of nuclear weapons and cleaning up the legacy of radioactive wastes generated over the last fifty years. It is likely that the costs associated with the build-down and clean-up of the nuclear weapons complex will exceed the investment of the past fifty years of production. Los Alamos National Laboratory occupies a special place in the history of nuclear weapons. The first weapons were designed and assembled at Los Alamos using uranium produced in Oak Ridge, Tennessee or plutonium produced in Richland, Washington. Many of the thermophysical and metallurgical properties of actinide elements have been investigated at Los Alamos. The only plutonium processing facility currently operating in the US is in Los Alamos, and the Laboratory is striving to capture and maintain the uranium processing technology applicable to the post-cold war era. Laboratory researchers are actively involved in developing methods for cleaning up the wastes associated with production of nuclear weapons throughout the US.

  3. Microsoft Word - AspenMEAReport.doc

    Office of Scientific and Technical Information (OSTI)

    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: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742EnergyOn AprilAElectronicCurves | SciTechLagrange Multiplier Technique |and ADVANCED

  4. Aspen Aerogels Inc | 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 onYou are now leaving Energy.gov You are now leaving Energy.gov You are being directedAnnual Siteof EnergyInnovation in Carbon Capture andsoftwareAsian Age EnterpriseAsin

  5. Fungal diversity within the Populus rhizosphere and endosphere...

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

    Symbiosis Conference Speaker and Attendee List Integrating Environmental, Safety, and Quality Management System Audits NYC Taxi Drive Cycle Development and Simulation Study...

  6. arabidopsis populus vitis: Topics by E-print Network

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

    in transgenic Arabidopsis. Open Access Theses and Dissertations Summary: ??Thesis (MSc (Wine Biotechnology)) University of Stellenbosch, 2006. Plants have evolved...

  7. Lignin content in natural Populus variants affects sugar release

    E-Print Network [OSTI]

    California at Riverside, University of

    of sugars in high quantities at low costs from recalcitrant lignocellulosic biomass feedstocks (4, 5

  8. Fungal diversity within the Populus rhizosphere and endosphere | Department

    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 DataDepartment of Energy Your Density Isn't YourTransport inEnergy0.pdfTechnologies ProgramOutfittedof EnergydetailsDepartmentof

  9. aspen winter conference: Topics by E-print Network

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

    and financial Accounting I (ACCT 531) Winter Quarter 2013 Instructor: John V. Merle, MBA Angel Website: https and promotion of justice, the Department of Accounting of the Albers...

  10. aspen wood chips: Topics by E-print Network

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

    8 COMPARISON OF DIFFERENT APPROACHES FOR THE SIMULATION OF BOILERS USING OIL, GAS, PELLETS OR WOOD CHIPS CiteSeer Summary: A detailed model for the simulation of boilers using...

  11. Aqueous Electrolyte Modeling in Aspen Plus G. E

    Office of Scientific and Technical Information (OSTI)

    371-411. Debye, P. and Huckel, E., (1923) PhysikZ., 24, 185 Pitzer, K.S. (1973) Thermodynamics of Electrolytes. I. Theoretical Basis and General Equations, J. Phys. Chem., 77,...

  12. aspen economic model: Topics by E-print Network

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

    (1826) play an important role in urban studies, while Hotelling-type models of locational competition get a reasonable degree of attention in industrial organization. On the...

  13. aspen computer models: Topics by E-print Network

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

    Verification of computer vision Subbarao, Murali "Rao" 37 Natural Computation and Non-Turing Models of Computation* Computer Technologies and Information Sciences Websites...

  14. aspen model development: Topics by E-print Network

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

    Brian Scassellati 2001-01-01 119 Development of Models for Optical Instrument Transformers. Open Access Theses and Dissertations Summary: ??Optical Instrument Transformers...

  15. Aspen, 28 April 2005 Final Results of RUNJOB

    E-Print Network [OSTI]

    and Webber, ApJ, 1989) diffusion + reacceleration (Seo and Ptuskin., ApJ, 1994) #12;RUssia-Nippon JOint/2 and = 1/3 Gupta and Webber, ApJ, 1989 Standard Leaky Box Model, = 0.6 Seo and Ptuskin., ApJ, 1994

  16. The Aspen--Amsterdam Void Finder Comparison Project

    E-Print Network [OSTI]

    Colberg, Joerg M; Foster, Caroline; Platen, Erwin; Brunino, Riccardo; Neyrinck, Mark; Basilakos, Spyros; Fairall, Anthony; Feldman, Hume; Gottloeber, Stefan; Hahn, Oliver; Hoyle, Fiona; Mueller, Volker; Nelson, Lorne; Plionis, Manolis; Porciaini, Cristiano; Shandarin, Sergei; Vogeley, Michael S; van de Weygaert, Rien

    2008-01-01T23:59:59.000Z

    Despite a history that dates back at least a quarter of a century studies of voids in the large--scale structure of the Universe are bedevilled by a major problem: there exist a large number of quite different void--finding algorithms, a fact that has so far got in the way of groups comparing their results without worrying about whether such a comparison in fact makes sense. Because of the recent increased interest in voids, both in very large galaxy surveys and in detailed simulations of cosmic structure formation, this situation is very unfortunate. We here present the first systematic comparison study of thirteen different void finders constructed using particles, haloes, and semi--analytical model galaxies extracted from a subvolume of the Millennium simulation. The study includes many groups that have studied voids over the past decade. We show their results and discuss their differences and agreements. As it turns out, the basic results of the various methods agree very well with each other in that they...

  17. The Aspen--Amsterdam Void Finder Comparison Project

    E-Print Network [OSTI]

    Joerg M. Colberg; Frazer Pearce; Caroline Foster; Erwin Platen; Riccardo Brunino; Mark Neyrinck; Spyros Basilakos; Anthony Fairall; Hume Feldman; Stefan Gottloeber; Oliver Hahn; Fiona Hoyle; Volker Mueller; Lorne Nelson; Manolis Plionis; Cristiano Porciani; Sergei Shandarin; Michael S. Vogeley; Rien van de Weygaert

    2008-04-10T23:59:59.000Z

    Despite a history that dates back at least a quarter of a century studies of voids in the large--scale structure of the Universe are bedevilled by a major problem: there exist a large number of quite different void--finding algorithms, a fact that has so far got in the way of groups comparing their results without worrying about whether such a comparison in fact makes sense. Because of the recent increased interest in voids, both in very large galaxy surveys and in detailed simulations of cosmic structure formation, this situation is very unfortunate. We here present the first systematic comparison study of thirteen different void finders constructed using particles, haloes, and semi--analytical model galaxies extracted from a subvolume of the Millennium simulation. The study includes many groups that have studied voids over the past decade. We show their results and discuss their differences and agreements. As it turns out, the basic results of the various methods agree very well with each other in that they all locate a major void near the centre of our volume. Voids have very underdense centres, reaching below 10 percent of the mean cosmic density. In addition, those void finders that allow for void galaxies show that those galaxies follow similar trends. For example, the overdensity of void galaxies brighter than $m_B = -20 $ is found to be smaller than about -0.8 by all our void finding algorithms.

  18. aspen pulp mill: Topics by E-print Network

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

    21 22 23 24 25 Next Page Last Page Topic Index 161 Clean Air Act Requirements: Uranium Mill Tailings Environmental Sciences and Ecology Websites Summary: :www.epa.govradiation...

  19. City of Aspen Climate Action Plan | 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 onYou are now leaving Energy.gov You are now leaving Energy.gov You are beingZealand JumpConceptual Model, click here.TelluricPowerCity of Aplington, Iowa (Utility Company)

  20. Aqueous Electrolyte Modeling in Aspen Plus G. E

    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: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOE Office511041cloth DocumentationProductsAlternativeOperational Management » History »Dept ofY-12

  1. City of Aspen and Pitkin County - Renewable Energy Mitigation Program |

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

    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: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742Energy China U.S. Department ofJuneWasteDepartmentUtilities inDenver Energy Challenge

  2. Aspen Clean Fuels Ltd ACF Ltd | 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 onYou are now leaving Energy.gov You are now leaving Energy.gov You are beingZealand Jump to:Ezfeedflag JumpID-fTriWildcatAntrimArkansasAshford,Asotin County, Washington: EnergyLtd ACF

  3. Aspen Hill, 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 onYou are now leaving Energy.gov You are now leaving Energy.gov You are beingZealand Jump to:Ezfeedflag JumpID-fTriWildcatAntrimArkansasAshford,Asotin County, Washington: EnergyLtd

  4. Aspen Park, Colorado: 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 onYou are now leaving Energy.gov You are now leaving Energy.gov You are beingZealand Jump to:Ezfeedflag JumpID-fTriWildcatAntrimArkansasAshford,Asotin County, Washington: EnergyLtdPark,

  5. Aspen Global Change Institute (AGCI) Interdisciplinary Science Workshop: Decadal Climate Prediction; Aspen, CO; June 22-28, 2008

    SciTech Connect (OSTI)

    Katzenberger, John

    2010-03-12T23:59:59.000Z

    Decadal prediction lies between seasonal/interannual forecasting and longer-term climate change projections, and focuses on time-evolving regional climate conditions over the next 10?30 yr. Numerous assessments of climate information user needs have identified this time scale as being important to infrastructure planners, water resource managers, and many others. It is central to the information portfolio required to adapt effectively to and through climatic changes.

  6. Strategies for enhancing the effectiveness of metagenomic-based enzyme discovery in lignocellulytic microbial communities

    E-Print Network [OSTI]

    DeAngelis, K.M.

    2010-01-01T23:59:59.000Z

    Phaeospirillum fulvum str. Aspen rhizosphere clone Activatedsp. Hyphomicrobium aestuarii str. Aspen rhizosphere clonesamples (Water manure clone, Aspen rhizosphere clone, and

  7. Scalable, efficient, and fault-tolerant data center networking

    E-Print Network [OSTI]

    Walraed-Sullivan, Meg; Walraed-Sullivan, Meg

    2012-01-01T23:59:59.000Z

    3.3 Aspen Tree Properties . . . . . . . . . . . . . . . . .3.2 Designing Aspen Trees . . . . . . . . . . . . . . . .3.2.2 Aspen Tree Generation . . . . .

  8. Colorado – Sexual Orientation and Gender Identity Law and Documentation of Discrimination

    E-Print Network [OSTI]

    Sears, Brad

    2009-01-01T23:59:59.000Z

    ordinances already adopted in Aspen, Boulder and Denverwere local ordinances in Aspen, Boulder and Denver, whichdisability. ” 38 City of Aspen The Aspen Municipal Code 39

  9. 0% 10% 20% 30% 40% Employment Agency (0)

    E-Print Network [OSTI]

    Doyle, Robert

    & Engineering Architectural Intern Washington DC Forum Phi Designer Aspen CO Forum Phi Designer Aspen CO FXFowle

  10. EPICS 151 Fall 2014 Group Bierstadt

    E-Print Network [OSTI]

    =ehost-live Website: Western Home Journal (Aspen edition) http://westernhomejournal.com/aspen-co/ #12;

  11. Interannual variability of surface energy exchange depends on stand age in a boreal forest fire chronosequence

    E-Print Network [OSTI]

    Liu, Heping; Randerson, James T

    2008-01-01T23:59:59.000Z

    Responses of trembling aspen and hazelnut to vapor pressuregrasses at the 1999-burn, aspen and willow (deciduous trees00 W). By 2002, heterogeneous aspen and willow dominated the

  12. Life Cycle Analysis of the Production of Aviation Fuels Using the CE-CERT Process

    E-Print Network [OSTI]

    Hu, Sangran

    2012-01-01T23:59:59.000Z

    process has been built using the Aspen Plus process modelingfuel, modeling, GREET, Aspen Plus ii Table of Contents 119 2.3 Aspen Plus simulation……………………………………………………20 LCA

  13. The Development of a Hydrothermal Method for Slurry Feedstock Preparation for Gasification Technology

    E-Print Network [OSTI]

    He, Wei

    2011-01-01T23:59:59.000Z

    A Material Balance of Aspen Simulation PINEWOOD HYDRO Moleexperimental data. An ASPEN Plus simulation of a commercialwithout HTP process using the ASPEN Plus results. vii Table

  14. Strategies for Enhancing the Effectiveness of Metagenomic-based Enzyme Discovery in Lignocellulolytic Microbial Communities

    E-Print Network [OSTI]

    2010-01-01T23:59:59.000Z

    sp. Hyphomicrobium aestuarii str. Aspen rhizosphere clonesp. Wastewater plant clone Aspen rhizosphere clone SolidPhaeospirillum fulvum str. Aspen rhizosphere clone Activated

  15. Dictionary of Upriver Halkomelem, Volume I

    E-Print Network [OSTI]

    Galloway, Brent Douglas

    2009-01-01T23:59:59.000Z

    man style + cow parsnip) aspen poplar, Lombardy poplar (and perhaps trembling aspen which may have rarely occurredHalkomelem Dictionary aspen (CONT’D) "poplar", probably

  16. The Development of Warm Gas Cleanup Technologies for the Removal of Sulfur Containing Species from Steam Hydrogasification

    E-Print Network [OSTI]

    Luo, Qian

    2012-01-01T23:59:59.000Z

    experiment results and ASPEN simulation results. Referencesbased on experimental and Aspen Plus simulation results in25 2.2.1 Aspen

  17. The Potential of Cellulosic Ethanol Production from Municipal Solid Waste: A Technical and Economic Evaluation

    E-Print Network [OSTI]

    Shi, Jian; Ebrik, Mirvat; Yang, Bin; Wyman, Charles E.

    2009-01-01T23:59:59.000Z

    bovine serum albumin, Aspen model Introduction Overcominganalysis were conducted using Aspen Plus software based onand simulation model using Aspen, the cost of fuel ethanol

  18. Understanding Substrate Features Influenced by Pretreatments that Limit Biomass Deconstruction by Enzymes

    E-Print Network [OSTI]

    Gao, Xiadi

    2013-01-01T23:59:59.000Z

    acid HTPH to Aspen wood rings sugar (glucan+xylan) yields of aspen wood samples 7, 11, 14,and lignin contents in switchgrass, poplar wood, and aspen

  19. Interactions of Lignin and Hemicellulose and Effects on Biomass Deconstruction

    E-Print Network [OSTI]

    Li, Hongjia

    2012-01-01T23:59:59.000Z

    delignified corn stover and aspen. Cellulose. 2009 Aug;16(alkali HTPH to Aspen wood rings ..yields from pretreatment of aspen wood samples 2, 15, and 20

  20. Go Global Newsletter, Winter/Spring 2006

    E-Print Network [OSTI]

    Global & International Studies

    2006-01-01T23:59:59.000Z

    HARRIS was named last Spring as an Aspen Institute Scholarby the prestigious Aspen Institute. Thisin connection with the Aspen Institute Executive Seminar,

  1. The effect of post-fire stand age on the boreal forest energy balance

    E-Print Network [OSTI]

    2006-01-01T23:59:59.000Z

    canopy conductance of a boreal aspen forest: parti- tioning= Saskatchewan, SOA = Southern Old Aspen site in SK. Fig. 4.Saskatchewan, SOA = Southern Old Aspen site in SK. slightly

  2. Direct effects of acidic wet deposition on photosynthesis and stomatal conductance of two Populus clones

    E-Print Network [OSTI]

    Boyer, Edmond

    in a greenhouse in plastic containers (11.2 1) and exposed to simu- lated acidic rain of pH 4.0 or to a control effects of acid precipitation. The interactive effects of leaf age and expo- sure to acid rain on leaf gas significant differ- ences between the two pH treatments. Results Net photosynthesis was decreased by acid rain

  3. Uptake, Translocation, and Transformation of Quantum Dots with Cationic versus Anionic Coatings by Populus deltoides nigra

    E-Print Network [OSTI]

    Alvarez, Pedro J.

    , and Pedro J. J. Alvarez*, Department of Civil & Environmental Engineering, Department of Chemistry of Civil & Environmental Engineering, University of Iowa, Iowa City, Iowa 52242, United States *S functionality for cellular labeling, drug delivery, solar cells, and quantum computation.1-3 Their fluorescent

  4. Manipulation Of Lignin Biosynthesis To Maximize Ethanol Production From Populus Feedstocks

    SciTech Connect (OSTI)

    Dr. Clint Chapple; Dr. Rick Lindroth; Dr. Burce Dien; Dr. Glen Stanosz; Dr. Alex Wiedenhoeft; Dr. Fu Zhao; Dr. Duane Wegener; Dr. Janice Kelly; Dr. Leigh Raymond; Dr. Wallace Tyner

    2012-05-15T23:59:59.000Z

    Our research focuses on transgenic strategies for modifying lignification to improve biomass quality, without leading to deleterious effects on plant performance. In order to accomplish this objective, we designed molecular strategies and selected appropriate transgenes for manipulating the expression of lignification-associated genes; we generated poplar engineered for altered lignin content and/or monomer composition, and field-tested them for fitness; we analyzed the impact of these transgenic strategies on metabolism in general and lignin biosynthesis in particular; and evaluated the ease with which cell wall deconstruction can be accomplished using both chemical and enzymatic means using wild-type and high syringyl poplar.

  5. Ecology & Management Effect of Simulated Browsing on Aspen Regeneration: Implications for Restoration

    E-Print Network [OSTI]

    Tate, Kenneth

    no se ramoneo´ la hoja terminal y se removio´ # 25% de la biomasa de las ramas. El menor crecimiento se presento´ cuando el 90% de la longitud de la hoja terminal y el 50% de la biomasa de las ramas fue removido

  6. Epiphyte diversity on Scottish aspen – a component of the extended phenotype 

    E-Print Network [OSTI]

    Davies, Chantel

    2012-06-22T23:59:59.000Z

    Species interactions are recognised as an important evolutionary process, with foundation species in particular being of exceptional importance. Foundation species are those species exhibiting dynamic physical traits, ...

  7. Effect of acetate and other cell wall components on enzymatic hydrolysis of aspen wood

    E-Print Network [OSTI]

    Kong, Fanran

    1990-01-01T23:59:59.000Z

    , or OAc was the only component reacting with such a dilute KOH solution and consumed KOH. OAc is the easiest 25 '0 ~O Wlo QMI0GOCO IOV Q0ICOIAmO 4 cPOcv 0 O O Yl III Vl Vl Vl O IOIOd COOM III Yl H Pl ~ ~ O O 0 0 0 QOt l IAIAV)Q O O ~ l III O 4...

  8. Computer-aided industrial process design; the ASPEN Project. First annual report for the period.

    E-Print Network [OSTI]

    Massachusetts Institute of Technology. Energy Laboratory.

    1977-06-15T23:59:59.000Z

    Work during the first year of this contract concentrated on acquiring the project staff, development of a prototype simulator, the simulation of three coal conversion processes, a survey of software for acquisition, the ...

  9. ASPEN computer simulations of the mixed waste treatment project baseline flowsheet

    SciTech Connect (OSTI)

    Dietsche, L.J.; Upadhye, R.S.; Camp, D.W.; Pendergrass, J.A.; Borduin, L.C.; Thompson, T.K.

    1994-07-05T23:59:59.000Z

    The treatment and disposal of mixed waste (i.e., waste containing both hazardous and radioactive components) is a challenging waste- management problem of particular concern to Department of Energy (DOE) sites throughout the United States. Traditional technologies used for destroying hazardous wastes must be re- evaluated for their ability to handle mixed wastes, and, in some cases, new technologies must be developed. The Mixed Waste Treatment Project (MWTP), a collaborative effort between Lawrence Livermore National Laboratory (LLNL), Los Alamos National Laboratory, and Pacific Northwest Laboratory (PNL), was established by the DOE`s Waste Operations Program (EM-30) to develop and analyze alternative mixed waste treatment approaches. One of the MWTP`s initiatives, and the objective of this study, was to develop flowsheets for prototype, integrated, mixed-waste treatment facilities that can serve as models for sites developing their own treatment strategies. Evaluation of these flowsheets is being facilitated through the use of computer modeling. The objectives of the flowsheet simulations are to compare process effectiveness and costs of alternative flowsheets and to determine if commercial process-simulation software could be used on the large, complex process of an integrated mixed waste processing facility. Flowsheet modeling is needed to evaluate many aspects of proposed flowsheet designs. A major advantage of modeling the complete flowsheet is the ability to define the internal recycle streams, thereby making it possible to evaluate the impact of one operation on the whole plant. Many effects that can be seen only in this way. Modeling also can be used to evaluate sensitivity and range of operating conditions, radioactive criticality, and relative costs of different flowsheet designs. Further, the modeled flowsheets must be easily modified so that one can examine how alternative technologies and varying feed streams affect the overall integrated process.

  10. New Whole-House Solutions Case Study: Shaw Construction, Aspen CO

    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 DataDepartment of Energy Your Density Isn'tOrigin of Contamination in Many DevilsForumEngines |New TechnologyNelsonWith designSchneider07,

  11. OFermilab OFF-SITE SHORT-TERM HOUSING-2013--2014 Housing Office/Aspen East

    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: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOE Office of Science (SC)Integrated CodesTransparencyDOE Project TapsDOERecoveryNuclearLifeMealsOFermilab

  12. Resume: Raphael Blumenfeld Nationality: UK, Israel

    E-Print Network [OSTI]

    Blumenfeld, Rafi

    of granular materials and modeling quasi-statics, in Workshop on Jamming, Aspen Center for Physics, Aspen, CO, in Workshop on Jamming, Aspen Center for Physics, Aspen, CO, USA, 20 June - 3 August 2004-2006 Organizer

  13. Development and Application of Advanced Models for Steam Hydrogasification: Process Design and Economic Evaluation

    E-Print Network [OSTI]

    Lu, Xiaoming

    2012-01-01T23:59:59.000Z

    186(1): 41. Bechtel. Aspen process flowsheet simulationanalysis derived from the Aspen Plus simulation results asSimSci-Esscor Inc, USA 2. Aspen Plus and Hysys by AspenTech

  14. A 40 mm Bore Quadrupole Magnet for the SSC

    E-Print Network [OSTI]

    Taylor, C.E.

    2011-01-01T23:59:59.000Z

    Superconductivity Conference, Aspen, CO, September 24-28,Conference Snowmass Village , Aspen, CO September 24-28,

  15. Wetlands Mitigation Banking and the Problem of Consolidation

    E-Print Network [OSTI]

    Steinhoff, Gordon

    2008-01-01T23:59:59.000Z

    of waterbirds in Aspen Park wetlands. Hydrobiologia, 567(1),introducing small fish into Aspen Parkland pothole wetlands

  16. Improved Swing-Cut Modeling for Planning and Scheduling of Oil-Refinery Distillation Units

    E-Print Network [OSTI]

    Grossmann, Ignacio E.

    processes can be found in commercial simulators such as Aspen-Plus and Hysys (Aspen Techology), Petro

  17. Mari Voldsund Exergy analysis of offshore

    E-Print Network [OSTI]

    Kjelstrup, Signe

    platform of the North Sea type were simulated with the process simulators Aspen HYSYS and Aspen Plus

  18. Toward a consistency cross-check of eddy covariance flux–based and biometric estimates of ecosystem carbon balance

    E-Print Network [OSTI]

    2009-01-01T23:59:59.000Z

    in a southern boreal aspen forest, Agric. For. Meteorol. ,water balances of a boreal aspen forest, 1994 – 2003, Global

  19. P R E S S R E L E A S E For Immediate Release April 4, 2011

    E-Print Network [OSTI]

    , is awarded a Fellowship to attend the Aspen Music Festival and School in Aspen, Colorado. A violist pursuing

  20. More than a “Subspecies of American Literature”: Obstacles toward a Transnational Mormon Novel

    E-Print Network [OSTI]

    Hales, Scott

    2015-01-01T23:59:59.000Z

    Margaret Blair. Salvador. Salt Lake City: Aspen Books, 1993.Salvador (Salt Lake City: Aspen Books, 1993), 32. Robert

  1. HABITAT SUITABILITY FOR WILLIAMSON'S SAPSUCKERS IN MIXED-CONIFER FORESTS

    E-Print Network [OSTI]

    Conway, Courtney J.

    , 0.0014 daily mortality, n = 724 nest days), and they preferred to nest in tall (P aspen by aspen. Sapsucker nest sites had particularly large (P aspen and aspen snags aspen snagdensity separately from density of other snags, incorporate height and diameter of aspen snags

  2. www.newphytologist.org 623 Blackwell Publishing, Ltd.

    E-Print Network [OSTI]

    primary production in young stands of trembling aspen, paper birch and sugar maple in response to elevated% in the aspen, aspen­birch and aspen­maple communities, respectively. Tropospheric O3 caused 23, 13 and 14 resulted in total biomass response of -7.8, +8.4 and +24.3% relative to the control in the aspen, aspen

  3. Label-free in situ imaging of lignification in the cell wall of low lignin transgenic Populus trichocarpa

    E-Print Network [OSTI]

    2009-01-01T23:59:59.000Z

    Dixon and Reddy 2003; Fukushima 2001; Ralph et al. 2007).Atalla and Agarwal 1985, 1986; Fukushima 2001). Ana- lyticalBoerjan et al. 2003; Fukushima 2001; Ralph et al. 2007).

  4. Soil and vegetation response to soil compaction and forest floor removal after aspen harvesting. Forest Service research paper

    SciTech Connect (OSTI)

    Alban, D.H.; Host, G.E.; Elioff, J.D.; Shadis, D.

    1994-01-01T23:59:59.000Z

    Reduced soil porosity and organic matter removal have been identified as common factors associated with loss of forest productivity (Powers et al. 1990). In both agriculture and forestry, management activities can modify soil porosity and organic matter with resultant impacts on vegetative growth. As part of a nationwide long-term soil productivity (LTSP) study soil porosity and organic matter are being experimentally manipulated on large plots to determine the impacts of such manipulations on growth and species diversity for a wide range of forest types.

  5. TheCondor96:4SS-467 0 The CooperOrnithologicalSociety1994

    E-Print Network [OSTI]

    -skinnedHawk (Accipiterstriates)pairsnestingin aspen(Populustremuloides),conifer (Abies,Picea spp.), and mixed aspen, Sharp-shinned Hawks breed in quaking aspen (Populustremuloides)and conifer (Abies,Picea, Pseudotsuga)forests.Forests in which hunting Sharp-shinned Hawks have been observed in- clude mature aspen, conifer, and mixed aspen

  6. January 2008 51 tudents make connections with what they know.

    E-Print Network [OSTI]

    was visiting a current global change research facility--the Aspen FACE research site in Wisconsin. Aspen FACE and function of northern forest ecosystems," specifically, on the growth of aspen trees (Facts II: The Aspen: The Aspen FACE Experiment 2005). Unlike a greenhouse, FACE's open-air design allows the ecosystems

  7. Ford Forestry Center and Research Forest Historical Stand Cover (c. 1956)

    E-Print Network [OSTI]

    Center GIS, http://forest.mtu.edu/ 1 inch equals 0.86 miles Key River Lake Stand Cover c. 1956 Aspen Paper Birch/Aspen Aspen/Paper Birch Paper Birch/Aspen/Oak Jack Pine Jack Pine/Aspen Plantation Red Pine

  8. New Orleans Education Reform: A Guide for Cities or a Warning for Communities? (Grassroots Lessons Learned, 2005-2012)

    E-Print Network [OSTI]

    Buras, Kristen L.; Urban South Grassroots Research Collective, Members

    2013-01-01T23:59:59.000Z

    for Education Reform Aspen Institute CEE-Trust Gates The NewOrleanian, president of the Aspen Institute (a think tank in2007). Not only would the Aspen Institute become a hub for

  9. Simulation of boreal black spruce chronosequences: Comparison to field measurements and model evaluation

    E-Print Network [OSTI]

    Bond-Lamberty, Ben; Gower, Stith T.; Goulden, Michael L.; McMillan, Andrew

    2006-01-01T23:59:59.000Z

    in and above a boreal aspen forest, Global Change Biol. , 2,primary produc- tion in aspen, jack pine, and black spruceproduction and turnover in aspen, jack pine and black spruce

  10. Studies of science before "Science Studies" : Cold War and the politics of science in the U.S., U.K., and U.S.S.R., 1950s-1970s

    E-Print Network [OSTI]

    Aronova, E. A.; Aronova, E. A.

    2012-01-01T23:59:59.000Z

    November: 28-30. Crisis in Aspen. Bulletin of the Atomicsocial role” took place in Aspen, Colorado, in late August -major Congress seminar” in Aspen, Colorado, in 1970. 53 His

  11. Exclusion as a Core Competition Problem

    E-Print Network [OSTI]

    Baker, Jonathan B.

    2012-01-01T23:59:59.000Z

    Inc. v. Trinko, 540 U.S. 398, 408 (2004). Aspen Skiing Co.v. Aspen Highlands Skiing Corp. , 472 U.S. 585 (1983).555 U.S. 438, 448 (2009) (Aspen suggests that a firm‘s

  12. Towards a Sustainable Energy Balance: Progressive Efficiency and the Return of Energy Conservation

    E-Print Network [OSTI]

    Harris, Jeffrey; Diamond, Rick; Iyer, Maithili; Payne, Christopher; Blumstein, Carl; Siderius, Hans-Paul

    2007-01-01T23:59:59.000Z

    www.californiaenergycircuit.net/ City of Aspen, Colorado.2002. Adoption of the 1999 Aspen/Pitkin Energy Conservationhttp://www.bpcnet.com/codes/aspen/_DATA/Title_8/20/020.html

  13. How Wood Chip Size Affects Pretreatment Effectiveness of Woody Biomass for Biological Processing

    E-Print Network [OSTI]

    Tam, Jerry

    2013-01-01T23:59:59.000Z

    temperature treatment of aspen. Wood Sci Technol 40:371-391size- reduction of Poplar and Aspen wood. Biotechnology andHydrothermal Pretreatment of Aspen Wood Chips 5.1. Abstract

  14. Appendix B Colorado Statewide Forest Resource Assessment Data Sources and Methods

    E-Print Network [OSTI]

    Mountain Poor-Site Lodgepole Pine Forest Aspen o 2011 Rocky Mountain Aspen Forest and Woodland o 2061 Intermountain Basins Aspen-Mixed Conifer Forest and Woodland Mixed Conifer o 2051 Southern Rocky Mountain Dry

  15. Changing Places: How Communities Will Improve the Health of Boys of Color

    E-Print Network [OSTI]

    Edley, Christopher; Ruiz de Velasco, Jorge

    2010-01-01T23:59:59.000Z

    and Larson 2002. References Aspen Institute Roundtable onKubisch. Washington, D.C. : Aspen Institute. Brown, Brett.in young people’s lives (Aspen Report 2005; Davis, Kolburn,

  16. La relación de conflicto entre el Derecho de Competencia y la propiedad intelectual: la negativa a conceder licencia de un derecho de propiedad intelectual en El Salvador

    E-Print Network [OSTI]

    Gómez Salazar, Dr. Rafael Arnoldo

    2010-01-01T23:59:59.000Z

    cit. , p. 638. En el caso Aspen Skiing Co. ,contra Aspen Highlands Skiing Corp. (472 U.S. 585 deque condenó a la compañía Aspen Skiing por la comisión de

  17. Optimization For Grade Transitions In Polyethylene Solution Polymerization

    E-Print Network [OSTI]

    Grossmann, Ignacio E.

    test cases pressureinpsi Comparison: ASPEN model, Kriging model and Internal model ASPEN ROM Internal Comparison: ASPEN, Kriging and Internal Model Test Cases Pressure (psi) #12;Offgrade production Grade B in

  18. Managing novel forest ecosystems: understanding the past and present to build a resilient future

    E-Print Network [OSTI]

    Krasnow, Kevin

    2012-01-01T23:59:59.000Z

    1997. The effects of elk on aspen in the winter range inRestoration of quaking aspen woodlands invaded by westernR.B. and D.L. Bartos. 2001. Aspen ecosystems: objectives for

  19. Appliances, Lighting, Electronics, and Miscellaneous Equipment Electricity Use in New Homes

    E-Print Network [OSTI]

    Brown, Richard E.; Rittelman, William; Parker, Danny; Homan, Gregory

    2007-01-01T23:59:59.000Z

    utility bills for a test house. Aspen Homes. As part of theCivano6 Civano7 Civano8 Aspen Tucson ZEH Floor Area (sq.use metering in the Aspen house allows us to disaggregate

  20. Andrea M. Ghez Contact Department of Physics and Astronomy

    E-Print Network [OSTI]

    Jalali. Bahram

    Comm., member 2004-5,2007,2009,2011 General Member of the Aspen Center for Physics 2004 - 2008 Aspen Center for Physics Colloquium Committee, member 2008 Aspen Center for Physics Summer Prog. Selection Comm

  1. VIRTUAL SUGARCANE BIOREFINERY: A TOOL TO COMPARE THE SUSTAINABILITY OF DIFFERENT

    E-Print Network [OSTI]

    Grossmann, Ignacio E.

    disEllery · Aspen Plus #12;· Sugar producEon · Aspen Plus SimulaEon ­ 1G flowsheet #12;SimulaEon ­ models used in Aspen Plus OperaEon Model Model descrip

  2. Development of a Sorption Enhanced Steam Hydrogasification Process for In-situ Carbon Dioxide (CO2) Removal and Enhanced Synthetic Fuel Production

    E-Print Network [OSTI]

    Liu, Zhongzhe

    2013-01-01T23:59:59.000Z

    Fig.4.1 Block flow diagram of Aspen simulation for FT liquidBlock flow diagram of Aspen simulation for SNG productionBlock flow diagram of Aspen simulation for SNG production

  3. Andrea M. Ghez Office: Home

    E-Print Network [OSTI]

    Jalali. Bahram

    "Formation and Evolution of Black Holes," Aspen Workshop Feb 2010 "The Galactic Center: A Window of USNC-IAU Committee, member 2005 - 2007 General Member of the Aspen Center for Physics 2004 - 2008 Aspen

  4. MixedConifer Forests in Southwest Colorado

    E-Print Network [OSTI]

    -moist zone (upper elevations dominated by white fir, but including Douglas-fir, aspen, and spruce), fire older-aged stands and relatively few younger stands, and susceptibility to insect infestations. Aspen and the presence of Sudden Aspen

  5. A Continuous Solar Thermochemical Hydrogen Production Plant Design

    E-Print Network [OSTI]

    Luc, Wesley Wai

    the Sulfur-Ammonia Cycle 3.1 Aspen Plus Process Simulationammonia cycle was conducted with Aspen Plus chemical processsimulation software. Aspen Plus V7.2 (24.0.4819) was the

  6. Chemical and Structural Features of Plants That Contribute to Biomass Recalcitrance

    E-Print Network [OSTI]

    DeMartini, Jaclyn Diana

    2011-01-01T23:59:59.000Z

    PV, Klinka K. Trembling Aspen Site Index in Relation toMoisture Content Determination of Aspen Wood Below the FiberFibre Length of Trembling Aspen in Alberta, Canada. Silvae

  7. Towards a Sustainable Energy Balance: Progressive Efficiency and the Return of Energy Conservation

    E-Print Network [OSTI]

    Harris, Jeff

    2008-01-01T23:59:59.000Z

    www.californiaenergycircuit.net/ City of Aspen, Colorado. (2002). Adoption of the 1999 Aspen/Pitkin Energy Conservationhttp://www.bpcnet.com/codes/aspen/ DATA/Title 8/20/020.html

  8. Age-dependent variation in the biophysical properties of boreal forests

    E-Print Network [OSTI]

    McMillan, Andrew M. S.; Goulden, M. L.

    2008-01-01T23:59:59.000Z

    few senescent jack pine and aspen. Nearly 100% feather moss700 cm tall jack pine and aspen, with significant mortalitywith scattered 500-cm-tall aspen. Many 100–200 cm tall black

  9. MEETING REPORT Steven M. Block is in the Department of

    E-Print Network [OSTI]

    Block, Steven

    Single Molecule Biophysics (SMB) workshop, held February 4­9 at the Aspen Center for Physics in Aspen studies presented in Aspen. Gene expression requires modulation of DNA organization and compaction during

  10. DIREITO, ECONOMIA E RESPONSABILIDADE CIVIL EM PERSPECTIVA COMPARATIVA: A APLICAÇÃO DA REGRA DE HAND COMO CRITÉRIO DE DETERMINAÇÃO DA RESPONSABILIDADE SUBJETIVA NO BRASIL

    E-Print Network [OSTI]

    Fradera, Véra Jacob de; Battesini, Eugênio

    2010-01-01T23:59:59.000Z

    Richard A. ; Torts. New York: Aspen Law and Business, 1999.on Torts. 8. ed. New York: Aspen Publishers, 2004. 1292 p.Law and Economics. 3. ed. New York: Aspen Publishers, 2003.

  11. Reivindicando el Sentido Común: Alegato a favor de la Derogación de la Regulación de la Invitación a Ofrecer en el Código Civil de 1984

    E-Print Network [OSTI]

    Escobar Rozas, Freddy; Cabieses Crovetto, Guillermo

    2010-01-01T23:59:59.000Z

    Analysis of Law. New York: Aspen Publishers. 2007. pp. 33 –in Contract Law. New York: Aspen Publishers. 2003. p. 176;E. Contracts. New York: Aspen Publishers. 2004. p. 108. “

  12. Direito, Economia e Responsabilidade Objetiva no Brasil

    E-Print Network [OSTI]

    Battesini, Eugênio

    2012-01-01T23:59:59.000Z

    and Economics. 3. ed. New York: Aspen Publishers, POSNER,of Law. 7. ed. New York: Aspen Publishers, 2007. 453 p.on Torts. 8. ed. New York: Aspen Publishers, 2004. 1292 p.

  13. The MODIS (Collection V005) BRDF/albedo product: Assessment of spatial representativeness over forested landscapes

    E-Print Network [OSTI]

    2009-01-01T23:59:59.000Z

    of a combination of wetlands and/or an aspen grove.Both wetlands and aspen are deciduous covers which, in this7.0 m tall jack pine and aspen, various 1.0–6.0 m tall black

  14. Human Services in a Market Economy: Implications of Program Fee Reliance among Nonprofit Human Service Organizations

    E-Print Network [OSTI]

    Howard, David Benjamin

    2013-01-01T23:59:59.000Z

    Washington, D.C. : The Aspen Institute. BoardSource (2007).Quarterly, 36(4), 598-621. Aspen Institute, T. (2001). TheSector Strategy Group. The Aspen Institute. Austin, D.

  15. Economic Analysis of the Dominican Republic Competition Law

    E-Print Network [OSTI]

    Infante, Mónika; Solano, Fanny

    2009-01-01T23:59:59.000Z

    que ha sido agregado por Aspen a este examen es si elTrademark Practice throughout the Work, Aspen Skiing Co.V. Aspen Highlands Skiing Co. , 738 F.2d 1509, 1520?21 (10th

  16. Integrated Approach to Revamping Heat Exchangers Networks

    E-Print Network [OSTI]

    Glass, K. E.; Dhole, V.; Wang, Y.

    geometry configurations for a given set of process conditions. Develop simulation model (in Aspen Plus) incorporating rigorous heat exchanger (Aspen Hetran) models for the 1) Validate existing preheat train performance & evaluate the existing and de...-bottlenecked cases de-bottlenecked performance Initiate pinch analysis (using Aspen Pinch) directly 2) Determine feasible energy saving from (Aspen Plus) simulation results Heat exchanger network pinch analysis (using Aspen Pinch) incorporating rigorous (Aspen...

  17. Air-Cooled Condensers for Next Generation Power Plants

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

    based on specifications for a condenser in existing binary plant * Used combination of Aspen Plus and Aspen's Exchanger Design and Rating (EDR) software tools to evaluate...

  18. Influence of clouds and diffuse radiation on ecosystem-atmosphere CO 2 and CO 18 O exchanges

    E-Print Network [OSTI]

    2009-01-01T23:59:59.000Z

    surface model with BOREAS aspen and jack pine tower fluxes,to diffuse radiation by an aspen-dominated northern hardwood

  19. Eugene A. Demler Harvard University, Department of Physics

    E-Print Network [OSTI]

    Correlated Quantum Systems , ITAMP, Cambridge, Massachusetts Organizer, 2006 Winter Aspen Conference Matter and Materials Physics, Colorado. Organizer, 2002 Aspen Winter Conference on Condensed Matter

  20. Eugene A. Demler Harvard University, Department of Physics

    E-Print Network [OSTI]

    , Massachusetts Organizer, 2006 Winter Aspen Conference on Strong Correlations in Ultra-Cold Fermi Systems, 2002 Aspen Winter Conference on Condensed Matter Physics, Colorado. TEACHING EXPERIENCE Physics 167

  1. NE Oregon Wildlife Project "Precious Lands"

    E-Print Network [OSTI]

    Agricultural Aspen Cliff/Talus Federally Listed Species: Snake River Steelhead, Spalding's Catchfly. Additional Grasslands: Western Meadowlark Canyon Shrublands: Bighorn Sheep Quaking Aspen: None Aquatic (Joseph Cr

  2. CONSULTANT REPORT DEMAND FORECAST EXPERT

    E-Print Network [OSTI]

    Prepared by: Aspen Environmental Group #12; Prepared by: Primary Author Jaccard, Simon Fraser University James McMahon, Lawrence Berkeley National Lab Carl Linvill, Aspen

  3. of Colorado's Special Issue

    E-Print Network [OSTI]

    Report on the Health of Colorado's Forests Special Issue 2005 Aspen Forests #12;2005 Report the ecology and management of the state's aspen forests and provides an expanded insect and disease update in the management of Colorado's trademark aspen forests. Many of the state's aspen stands are reaching the end

  4. Colorado State University Cooperative Extension. 2/99.

    E-Print Network [OSTI]

    D E N I N G S E R I E S DISEASES Foliage diseases can reduce the aesthetic value of aspen Marssonina causes the most common foliage disease on aspen and poplars in urban and forested areas and occasionally aspen in urban areas of Colorado. Quick Facts... Five fungi cause most foliage diseases on aspen

  5. Fire and Forest History in Mixed-Conifer Forests of Southwest Colorado

    E-Print Network [OSTI]

    m grids: Boulder Mountain #12;foresttype ponderosa pine mixed conifer aspen-mix conifer aspen of Mixed Severity A. Oldest tree in plot is POTR B. Plot contains one and only one even-aged aspen cohort or more fire scars in plot 1a. Presence of 1 or more fire scars near plot 2. One even-aged aspen cohort

  6. North Landing (can also deck along

    E-Print Network [OSTI]

    on bike trails. A6 - Aspen A8/M6 - Aspen/Hardwoods AM6 - Aspen/Hardwoods C6 - Cedar H8 - Hemlock K9 - Oak M6 - Hardwoods M6/WP7 - Hardwoods/Pine MK9/MK6 - Oak/Hardwoods MKA8/M6 - Oak/Aspen/Hardwoods Mixed

  7. w e n : Ecology ztnd Managementv Mountain F-t md Range

    E-Print Network [OSTI]

    remain. #12;Abstract Information about the biology, ecology, and management of quaking aspen and discussed. The biology of aspen as a tree species, community relationships in the aspen ecosystem, environments, and factors affecting aspen forests are reviewed. The resources available within and from

  8. L-R: Senator Levin, Kurt Pregitzer, and Dave Karnosky during Levin's visit to

    E-Print Network [OSTI]

    the Aspen FACE project to the USFS land at the Harshaw Farm. Jud has been a member of the Aspen FACE for science but we wish him and his lovely wife Sharon all the best. FACTS II (Aspen FACE) Renewal The FACTS II (Aspen FACE) project has been renewed by DOE's Office of Biological and Environmental Research

  9. WOOD RESOURCE John R. Jones, Norbert V. DeByle, and Robert P. Winokur

    E-Print Network [OSTI]

    WOOD RESOURCE John R. Jones, Norbert V. DeByle, and Robert P. Winokur Aspen has not been cut, the aspen harvest from National Forests in four Forest Service regions in the Rocky Mountain area was 7 aspen forests. The net bole volume of aspen growing stock2 in the in- terior West was nearly 4

  10. Chemical process optimization and pollution prevention via mass and property integration

    E-Print Network [OSTI]

    Hortua, Ana Carolina

    2009-05-15T23:59:59.000Z

    . ................................69 LITERATURE CITED. ...................................................................................................71 APPENDIX A: ASPEN SIMULATION RESULTS FOR THE PHENOL...

  11. The influence of fertilizer placed in bands on root development, foliar nutrient content, and dry matter production of eastern cottonwood (Populus deltoides Bartr.

    E-Print Network [OSTI]

    Huebinger, Wayne Emerson

    1969-01-01T23:59:59.000Z

    was applied at the time of planting using 1 ounce of 8-8-8 placed 3 to 4 inches below the cut;tinge in the pl"nting hole. The trees were rei'ertilized in April with 1 1/2 ounces of 8-8-8 in each of two dibble holes located approximately 4 inches from tl. e... have dealt with the problem of fertilizer placement in row crops for many years. Zxperience gained in this field would certainly have application to forest fertilization. A popular ~sans of applying feri:ilizer to row crops is to place it in a band...

  12. Title: Predicting yields of short-rotation hybrid poplar (Populus spp.) for the contiguous US1 through model-data synthesis2

    E-Print Network [OSTI]

    Dietze, Michael

    ). In the US the Advanced5 Energy Initiative (AEI) mandates that renewable bioethanol displace 30% of 2005

  13. Characterization of leaf resistance to water loss in two clones of eastern cottonwood (Populus deltoides Bartr.) with respect to light intensity, leaf water potential, and drought

    E-Print Network [OSTI]

    Dougherty, Phillip Merle

    1973-01-01T23:59:59.000Z

    and S7C1) (aj ove- cycles 1 and 2 where PAR is & 115nE m s and (b) for cycles 3 and 4 when PAR was & 115 nE m s 39 40 FIGURE PAGE Relationship of average tree leaf resistance with time since sunup at high SW (& 30%) for clones S708 and S7015 (a...) in cycles 3 and 4 and (b) cyles 1 and 2, when PAR was & 115 nE m 2 s 1 . . 42 Relationship of average tree leaf resistance with time since sunup at low SW (& 20%) for clone S7C8 and S7015 (a) in cycles 3 and 4 and (b) cycles 1 and 2 when PAR was & 115 n...

  14. \\talks and writings\\Aspen Forum REVISED FOR PARTICIPANTS 9-01 Discussion draft for Forum participants. Do not quote or copy.

    E-Print Network [OSTI]

    participants. Do not quote or copy. The Century-Long Challenge of Fossil-Carbon Sequestration Robert Socolow (can be "sequestered" from) the atmosphere. Fossil-carbon sequestration is conceptually entirely different from biological-carbon sequestration, yet, unfortunately, both kinds of sequestration are usually

  15. Lodgepole Pine Management Guidelines

    E-Print Network [OSTI]

    decades or even centuries ago. Others are mixed with pine, Douglas-fir, and aspen at lower elevations. subalpine species such as Engelmann spruce, subalpine fir, and aspen at higher elevations, or with mixed

  16. Prospects for Higgs Self Coupling measurements with ATLAS and CMS

    E-Print Network [OSTI]

    Meoni, E; The ATLAS collaboration

    2013-01-01T23:59:59.000Z

    Slides of the talk of prospect of Higgs self coupling measurement to be presented at the "Aspen 2013 - Higgs Quo Vadis" conference , Aspen, CO (USA) , March 10th to 15th, 2013

  17. 2007-2009 BONDED PROJECTS UNIVERSITY CENTER

    E-Print Network [OSTI]

    AND ASPEN HALL FOR NEW CHILLED WATER SERVICE COMPLETED SEPT 2008 #12;BUS BARN TRANSPORTATION SERVICES 5) COMPLETED OCT 2009 #12;ASPEN HALL (FORMALLY NEW ACADEMIC VILLAGE 1B) HOUSING AND DINING SERVICES 63,500 GSF

  18. TREES & SHRUBS I N S E C T S E R I E S

    E-Print Network [OSTI]

    to be only temporary. See fact sheet 5.544, Ponderosa Pine Needle Miners. Aspen leafminer: Several insects mine the leaves of aspen. The most common ones produce long, twisting, serpentine mines. This insect

  19. Appendix 33 Forest Resources of the Flathead National Forest

    E-Print Network [OSTI]

    , ponderosa pine, and aspen forest types also occur. #12;2 Figure 3--Area by forest type and habitat type Grand fir Aspen Ponderosa pine Forest type refers to the predominant tree species in a stand, based

  20. Conservation Community Perspective on Mixed Conifer Management in SW Colorado

    E-Print Network [OSTI]

    Public education important #12;Warm-Dry Mixed Conifer, Cool-Moist Mixed Conifer, Aspen with Conifer One.g., WUI treatment and mixed conifer restoration) where possible. Need to reconcile mc & aspen mngt

  1. Changes in forest structure and the understory plant community of a dry mixed

    E-Print Network [OSTI]

    -fir, white fir, and aspen) for reconstructed 1870, 2003 and 2009 data. Source d.f. SS MS F p, and aspen) for reconstructed 1870, 2003 and 2009 data. Source d.f. SS MS F p

  2. Purdue Theatre Summer 2014 Professional and Research Activity Allinder Kevin MFA-Lighting Design Master Electrician Arkansas Shakespeare Theatre Conway, Arkansas

    E-Print Network [OSTI]

    Ginzel, Matthew

    Master Electrician Arkansas Shakespeare Theatre Conway, Arkansas Aplin Mercer MFA - Audio Technology Head Audio Engineer Theatre Aspen Aspen, Colorado Baker Emma UG-Acting Apprentice Company Actor Shakespeare Freeman Greg MFA - Lighting Design Master Electrician Arkansas Shakespeare Theatre Conway, Arkansas

  3. Results from the High-Resolution Fly's Eye (HiRes) Experiment

    E-Print Network [OSTI]

    Aspen 4/06/05 1 Results from the High-Resolution Fly's Eye (HiRes) Experiment Charles Jui (HiRes) University of Utah Physics at the End of the Galactic Cosmic Ray Spectrum Aspen Apr 26-30, 2005 #12;Aspen 4 · Anisotropy · Composition · Proton-air cross-section measurement #12;Aspen 4/06/05 3 The High Resolution Fly

  4. Biometrics, Surveys and For Britain's woodlands to contribute effectively

    E-Print Network [OSTI]

    recently used remote sensing to find aspen trees, a beautiful but rare feature of the Caledonian Forest. Aerial colour images were taken in late spring when most broadleaves were in leaf but aspen had yet was then applied to the images (below), which identified and located 87% of the aspen. This technique is much

  5. Colorado State University Cooperative Extension. 9/99.

    E-Print Network [OSTI]

    are affected by this disease, including aspen, birch, cottonwood, poplar, spruce, willow, ash, maple, elm Cytospora. These pathogens affect many species of trees in Colorado, including aspen, cottonwood, lombardy are host specific and will not spread to other tree species. Aspen and cottonwoods are attacked by the same

  6. Curriculum Vitae Alexander Kusenko

    E-Print Network [OSTI]

    Levine, Alex J.

    Physical Society APS Fellow (since 2008) American Physical Society Outstanding Referree Award (2012) Aspen, Aspen Center for Physics, broadcast on local TV and available at http://www.grassrootstv.org March 24 Observatory Association, Pasadena, CA July 30, 2008 Public lecture at Family BBQ, Aspen Center for Physics

  7. Curriculum Vitae Alexander Kusenko

    E-Print Network [OSTI]

    Jalali. Bahram

    Outstanding Referree Award (2012) Aspen Center for Physics General member, various committees Pierre Auger Colloquium, Amsterdam Public lectures August 3, 2011 Public lecture at Family BBQ, Aspen Center for Physics, CA July 30, 2008 Public lecture at Family BBQ, Aspen Center for Physics, shown on local TV

  8. Colorado State University Cooperative Extension. 4/02.

    E-Print Network [OSTI]

    necessary for good germination. Aspen is unique among Colorado forest trees in its ability to sprout new types are pinon pine-juniper; ponderosa pine-Douglas-fir; lodgepole pine; spruce-fir; and aspen. Fire lower in elevation and dryer than the spruce-fir forest types of the subalpine zone. Aspen is Colorado

  9. Our 6-year-old plantation in Escanaba is growing 3.6 dry tons per acre each year.

    E-Print Network [OSTI]

    hybrids, aspen, and European larch in Michigan's Upper Peninsula. USDA: A guide to insect, disease The paper and oriented-strand board industries in Michigan consume a large quantity of aspen fiber each year. Prices for aspen pulpwood have hit record highs in recent years as a result of increased demand

  10. Loretta Forlaw, PhD, RN, FACHE CURRICULUM VITAE

    E-Print Network [OSTI]

    Wu, Shin-Tson

    Support Certification, ASPEN ** Founding member of the American Society of Parenteral & Enteral Nutrition (ASPEN) -leading organization dedicated to improving patient care by advancing science and practice in development of nursing certification for ASPEN. 2002-Present Feng Shui Consultant 2003-Present Bigu Qigong

  11. Signs of Recovery for Colorado Forests in the Wake

    E-Print Network [OSTI]

    and quaking aspen are common in the understory of these study areas. In other locations, lodgepole pine-infested Stands Since 2008, lodgepole pine and subalpine fir seedlings and aspen sprouts have become established and aspen recruits were three times more abundant in harvested stands. Subalpine fir trees were the most

  12. Eugene A. Demler Harvard University, Department of Physics

    E-Print Network [OSTI]

    Quantum Center SYNERGETIC ACTIVITIES Organizer of the Aspen Winter Conference on Disorder and Dynamics, Harvard, Cambridge, MA Organizer of the Aspen Winter Conference on new directions in cold atoms, Jan. 2012 Aspen Conference on Strong Correlations in Ultra-Cold Fermi Systems, Colorado. Organizer, 2004 Boulder

  13. A Vision of the Future Michigan State University undertakes forest management on its properties

    E-Print Network [OSTI]

    ) 2-year-old aspen regeneration in a clearcut, (3) sugar maple seedlings wait for release, (4) high slowly. The first surveyors found that most of Neebish Island was covered by aspen-birch forests around. The forests are still primarily dominated by aspen and bir

  14. Colorado State University Extension. 3/95. Reviewed 2/09.

    E-Print Network [OSTI]

    are the preferred hosts, but gypsy moths also eat aspen, willow, apple and almost 500 other trees, shrubs and vines to be a potential infestation site. Preferred hosts in Colorado include oaks, aspen, poplars, willow, apple, birch, tree nurseries, low-elevation aspen, "oak brush" or Gambel oak, vegetation along rivers and streams

  15. Colorado State University Cooperative Extension. 12/97.

    E-Print Network [OSTI]

    ) most often is seen infesting aspen and mountain- mahogany during May and early June. Many other plants caterpillar, sometimes producing widespread outbreaks that have killed large areas of aspen. In stands areas during the day. Forest tent caterpillars feed on a wide variety of plants including aspen, ash

  16. ORNL/Sub/84-05907/1 ^_~C ~Preliminary Design of Linear

    E-Print Network [OSTI]

    Oak Ridge National Laboratory

    Stirling Engines Final Report E FILE COpy I DO NOT | REMOVE Report Prepared by ASPEN SYSTEMS, INC. 275. Toscano Aspen Systems, Inc. 275 Boston Post Road Marlborough, MA 01752 under Subcontract 62X-05907V This Phase I Final Report is prepared by Aspen Systems, Inc. for Oak Ridge National Laboratory. The report

  17. Solvent Reclaiming by Crystallization of Potassium Sulfate Qing Xu, B. S.

    E-Print Network [OSTI]

    Rochelle, Gary T.

    = - - . The solubility data were also correlated with the electrolyte-NRTL model in Aspen Plus®. Potassium sulfate with Aspen Plus®, and the staffs at the University of Texas at Austin for helping with other instruments. A simulation of the reclaiming process by potassium sulfate crystallization was done in Aspen Plus®. Mass

  18. Marcus Douglas Hilliard Thermodynamics of Aqueous Piperazine/Potassium

    E-Print Network [OSTI]

    Rochelle, Gary T.

    /Potassium Carbonate/Carbon Dioxide Characterized by the Electrolyte NRTL Model within Aspen Plus® by Marcus Douglas Characterized by the Electrolyte NRTL Model within Aspen Plus® APPROVED BY SUPERVISING COMMITTEE T. Rochelle The Electrolyte Nonrandom Two Liquid (NRTL) Activity Coefficient model within Aspen Plus

  19. USDA Forest Service Proceedings RMRS-P-18. 2001. 273 1University of Wisconsin, Madison,

    E-Print Network [OSTI]

    . Adaptations of Quaking Aspen for Defense Against Damage by Herbivores and Related Environmental Agents Richard damage by environmental agents: chemical defense and tolerance. Aspen accumulates appreciable quantities, physiological, and physical defenses against damage by environmental agents. For aspen, a growing body

  20. Common Nesting Bird Species Common Name Latin Name AOU Code

    E-Print Network [OSTI]

    Martin, Thomas E.

    -25 m Aspen/Maple AUWA 4 2 14 14 2-16 m Maple/Fir BHGR 3.5 1 12.5 12 2-5 m Maple/Fir WETA 3.5 1 13 10 4 Excavators ACWO 4.5 1 11.5 31 0 % Aspen WISA 5.5 1 13 31.5 28 % Aspen RNSA 5.5 1 13 27 12 % Aspen DOWO 4.5 1.5 12 22.5 0 % Aspen HAWO 4 1 14 29 0 % Aspen RSFL 7.5 1.5 11.5 26.5 56 % Aspen/Fir PYNU 7 1 15.5 22 57

  1. NREL Support for a Functional Genomics Approach to Investigate Regulation of Phenolic Glycoside: Cooperative Research and Development Final Report, CRADA number CRD-07-00218

    SciTech Connect (OSTI)

    Davis, M.

    2010-07-01T23:59:59.000Z

    NREL and MTU collaborated on a proposal 'A Functional Genomics Approach to Investigate Regulation of Phenolic Glycoside Metabolism in Populus' funded by the National Science Foundation.

  2. Energy Department to Invest up to $5.2 million to Advance Basic...

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

    DOE Lab: Oak Ridge National Laboratory Project: Land Reclamation for Bioenergy: Genomics of Adaptation of Populus to Marginal Sites DOE Lab: Los Alamos National Laboratory...

  3. E-Print Network 3.0 - arabidopsis reveals correlation Sample...

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

    and Ecology ; Biology and Medicine 3 A Populus EST resource for plant functional genomics Fredrik Sterky* Summary: to Arabidopsis proteins (Fig. 1). For sequences exceeding...

  4. STATE OF CALIFORNIA THE RESOURCES AGENCY EDMUND BROWN, Governor NOTICE OF PROPOSED AWARD

    E-Print Network [OSTI]

    Technical Support and Training for Electricity Supply Analysis 800-10-801 Proposed Contractor: Aspen,400,000.00 BIDDER FINAL SCORE Aspen Environmental Group 561.2 ICF International 556.6 EnerNex 436* Quanta Technology 0% 0 360 4 Aspen Environmental 548 0% 0 0% 0 2% 13.2 0% 0 561.2 1 ICF International 516 0% 0 5% 27

  5. Next Generation Climate Change Experiments Needed to Advance...

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

    Next Generation Climate Change Experiments Needed to Advance Knowledge and for Assessment of CMIP6 Re-direct Destination: The Aspen Global Change Institute hosted a technical...

  6. Towards a Sustainable Energy Balance: Progressive Efficiency and the Return of Energy Conservation

    E-Print Network [OSTI]

    Harris, Jeffrey; Diamond, Rick; Iyer, Maithili; Payne, Christopher; Blumstein, Carl; Siderius, Hans-Paul

    2007-01-01T23:59:59.000Z

    1999 Aspen/Pitkin Energy Conservation Code, as Amendments toand the Return of Energy Conservation Jeffrey Harris, Rickand the Return of Energy Conservation Jeffrey Harris,

  7. Towards a Sustainable Energy Balance: Progressive Efficiency and the Return of Energy Conservation

    E-Print Network [OSTI]

    Harris, Jeff

    2008-01-01T23:59:59.000Z

    1999 Aspen/Pitkin Energy Conservation Code, as Amendments toFederal Regulations, (2002). Energy Conservation Program forand the Return of Energy Conservation Jeffrey Harris, Rick

  8. Progress Report SEAB Recommendations on Unconventional Resource

    Office of Environmental Management (EM)

    have also expanded research and public outreach. 10 To support natural gas sustainability, the Mitchell Foundation and Aspen Institute have programs underway to...

  9. Energy Blog | Department of Energy

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

    very hot temperatures. Here, the insulation is held over a flame. | Courtesy of Aspen Aerogels. Saving Energy and Money with Aerogel Insulation The Energy Department is investing...

  10. Age-dependent variation in the biophysical properties of boreal forests

    E-Print Network [OSTI]

    McMillan, Andrew M. S.; Goulden, M. L.

    2008-01-01T23:59:59.000Z

    2000) Increased carbon sequestration by a boreal deciduouson the annual carbon sequestration by a boreal aspen forest.1996) Measurements of carbon sequestration by long-term eddy

  11. Small Business Demand Response with Communicating Thermostats: SMUD's Summer Solutions Research Pilot

    E-Print Network [OSTI]

    Herter, Karen

    2010-01-01T23:59:59.000Z

    Martin Aspen. 2006. Demand Response Enabling TechnologiesDon. 2007. “Pricing for Demand Response from Residential andthe Level of Demand Response,” Power Point Presentation, 24

  12. Seven Small Businesses Awarded Contracts by the Office of Environmenta...

    Energy Savers [EERE]

    Cincinnati, Ohio Terranear PMC; Irving, Texas Aspen Resources Limited; Boulder, Colorado DLE Technical Services; Palm City, Florida Boston Government Services; Lenoir City,...

  13. Abstract Scalable Performance Engineering Notation | ORNL

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

    Abstract Scalable Performance Engineering Notation May 01, 2013 Aspen (Abstract Scalable Performance Engineering Notation) is a domain specific language for performance modeling...

  14. Data:A83a02e1-f4ea-454f-9992-4bdd42adcf20 | Open Energy Information

    Open Energy Info (EERE)

    2. Demand 3. Energy << Previous 1 2 3 Next >> Basic Information Utility name: City of Aspen, Colorado (Utility Company) Effective date: 20140101 End date if known: 20141231...

  15. Data:47333c89-4199-4f1e-b394-914231772fe0 | Open Energy Information

    Open Energy Info (EERE)

    2. Demand 3. Energy << Previous 1 2 3 Next >> Basic Information Utility name: City of Aspen, Colorado (Utility Company) Effective date: 20130101 End date if known: 20131231...

  16. Data:E65d4d91-d56d-4944-b07a-af9d2da124f2 | Open Energy Information

    Open Energy Info (EERE)

    2. Demand 3. Energy << Previous 1 2 3 Next >> Basic Information Utility name: City of Aspen, Colorado (Utility Company) Effective date: 20130101 End date if known: 20131231...

  17. Roaring Fork Valley- Energy Efficient Appliance Program

    Broader source: Energy.gov [DOE]

    The Aspen Community Office for Resource Efficiency (CORE) promotes renewable energy, energy efficiency and green building techniques in western Colorado's Roaring Fork Valley. For customers who...

  18. Data:5d292ba8-3554-46ae-ac3f-e0af17601948 | Open Energy Information

    Open Energy Info (EERE)

    2. Demand 3. Energy << Previous 1 2 3 Next >> Basic Information Utility name: City of Aspen, Colorado (Utility Company) Effective date: 20130101 End date if known: 20131231...

  19. Data:6f8f5fcf-71b8-47bb-b33e-92fcf234f1a4 | Open Energy Information

    Open Energy Info (EERE)

    2. Demand 3. Energy << Previous 1 2 3 Next >> Basic Information Utility name: City of Aspen, Colorado (Utility Company) Effective date: 20130101 End date if known: 20131231...

  20. Data:Bba140dd-5c9f-409d-a9c1-6c4cd14425c3 | Open Energy Information

    Open Energy Info (EERE)

    2. Demand 3. Energy << Previous 1 2 3 Next >> Basic Information Utility name: City of Aspen, Colorado (Utility Company) Effective date: 20130101 End date if known: 20131231...

  1. Data:35c16c5d-4717-47b5-a7fa-e2fff943afc8 | Open Energy Information

    Open Energy Info (EERE)

    2. Demand 3. Energy << Previous 1 2 3 Next >> Basic Information Utility name: City of Aspen, Colorado (Utility Company) Effective date: 20140101 End date if known: 20141231...

  2. Data:825019fb-1c94-43f8-8983-e99a01c5af6b | Open Energy Information

    Open Energy Info (EERE)

    2. Demand 3. Energy << Previous 1 2 3 Next >> Basic Information Utility name: City of Aspen, Colorado (Utility Company) Effective date: 20140101 End date if known: 20141231...

  3. First LHC Beams in ATLAS

    E-Print Network [OSTI]

    Krieger, P

    2009-01-01T23:59:59.000Z

    This is a talk on the ATLAS single beam running, to be given on February 9th at the Aspen Winter Conference.

  4. Data:F311f166-7820-4c94-b550-5e7c62f1fdc3 | Open Energy Information

    Open Energy Info (EERE)

    2. Demand 3. Energy << Previous 1 2 3 Next >> Basic Information Utility name: City of Aspen, Colorado (Utility Company) Effective date: 20140101 End date if known: 20141231...

  5. Data:6e0958da-9a58-40b7-a395-86887753b386 | Open Energy Information

    Open Energy Info (EERE)

    2. Demand 3. Energy << Previous 1 2 3 Next >> Basic Information Utility name: City of Aspen, Colorado (Utility Company) Effective date: 20130101 End date if known: 20131231...

  6. Data:2ba424b9-6ef3-4c96-ba45-c8709ca36cb9 | Open Energy Information

    Open Energy Info (EERE)

    date: 20130506 End date if known: Rate name: Rate SE - Mercury Vapor 175 W - Aspen Sector: Lighting Description: Applicable to municipal, county, state and federal...

  7. Data:416d9928-64b4-4449-b367-d55b0dc9ff3d | Open Energy Information

    Open Energy Info (EERE)

    2. Demand 3. Energy << Previous 1 2 3 Next >> Basic Information Utility name: City of Aspen, Colorado (Utility Company) Effective date: 20130101 End date if known: 20131231...

  8. Data:A1ad6c63-c4c2-4bc0-a846-e339b084cfae | Open Energy Information

    Open Energy Info (EERE)

    2. Demand 3. Energy << Previous 1 2 3 Next >> Basic Information Utility name: City of Aspen, Colorado (Utility Company) Effective date: 20140101 End date if known: 20141231...

  9. Data:0d80639f-bca3-448b-a157-6d27daa32946 | Open Energy Information

    Open Energy Info (EERE)

    2. Demand 3. Energy << Previous 1 2 3 Next >> Basic Information Utility name: City of Aspen, Colorado (Utility Company) Effective date: 20140101 End date if known: 20141231...

  10. Data:64925e2d-d761-43d3-80ba-f0a53a27acbe | Open Energy Information

    Open Energy Info (EERE)

    2. Demand 3. Energy << Previous 1 2 3 Next >> Basic Information Utility name: City of Aspen, Colorado (Utility Company) Effective date: 20130101 End date if known: 20131231...

  11. Data:1f6fff52-886f-401d-aca2-19b5c6fcd40a | Open Energy Information

    Open Energy Info (EERE)

    2. Demand 3. Energy << Previous 1 2 3 Next >> Basic Information Utility name: City of Aspen, Colorado (Utility Company) Effective date: 20140101 End date if known: 20141231...

  12. Data:C1fe7d13-a3d1-43b1-983b-fdd41163383e | Open Energy Information

    Open Energy Info (EERE)

    2. Demand 3. Energy << Previous 1 2 3 Next >> Basic Information Utility name: City of Aspen, Colorado (Utility Company) Effective date: 20130101 End date if known: 20131231...

  13. Data:52fc8e20-6710-41d8-a0ce-e640e3769c76 | Open Energy Information

    Open Energy Info (EERE)

    2. Demand 3. Energy << Previous 1 2 3 Next >> Basic Information Utility name: City of Aspen, Colorado (Utility Company) Effective date: 20140101 End date if known: 20141231...

  14. Data:A646d97b-d7c4-4399-ad50-e903b17d302c | Open Energy Information

    Open Energy Info (EERE)

    2. Demand 3. Energy << Previous 1 2 3 Next >> Basic Information Utility name: City of Aspen, Colorado (Utility Company) Effective date: 20140101 End date if known: 20141231...

  15. Data:8ac5dcc6-33ed-4244-9293-575489d2d663 | Open Energy Information

    Open Energy Info (EERE)

    2. Demand 3. Energy << Previous 1 2 3 Next >> Basic Information Utility name: City of Aspen, Colorado (Utility Company) Effective date: 20130101 End date if known: 20131231...

  16. Data:85a59e41-818b-404b-9484-1bbb839859e6 | Open Energy Information

    Open Energy Info (EERE)

    2. Demand 3. Energy << Previous 1 2 3 Next >> Basic Information Utility name: City of Aspen, Colorado (Utility Company) Effective date: 20140101 End date if known: 20141231...

  17. Data:Cfbc3b3b-0cfe-4d5a-9337-b7cbd9e3f0af | Open Energy Information

    Open Energy Info (EERE)

    2. Demand 3. Energy << Previous 1 2 3 Next >> Basic Information Utility name: City of Aspen, Colorado (Utility Company) Effective date: 20130101 End date if known: 20131231...

  18. Data:27c6619b-9e2e-4645-ba8b-3c143e43eb4a | Open Energy Information

    Open Energy Info (EERE)

    2. Demand 3. Energy << Previous 1 2 3 Next >> Basic Information Utility name: City of Aspen, Colorado (Utility Company) Effective date: 20140101 End date if known: 20141231...

  19. Data:437115d6-6ee1-4307-b40d-49df0a06fde6 | Open Energy Information

    Open Energy Info (EERE)

    2. Demand 3. Energy << Previous 1 2 3 Next >> Basic Information Utility name: City of Aspen, Colorado (Utility Company) Effective date: 20130101 End date if known: 20131231...

  20. Data:A961faf7-f523-4a51-869f-e43045308676 | Open Energy Information

    Open Energy Info (EERE)

    2. Demand 3. Energy << Previous 1 2 3 Next >> Basic Information Utility name: City of Aspen, Colorado (Utility Company) Effective date: 20140101 End date if known: 20141231...

  1. Data:2ae66fb5-8162-47d9-b060-4c8b873ebfd6 | Open Energy Information

    Open Energy Info (EERE)

    2. Demand 3. Energy << Previous 1 2 3 Next >> Basic Information Utility name: City of Aspen, Colorado (Utility Company) Effective date: 20140101 End date if known: 20141231...

  2. Data:0b4c98bc-fd02-4800-9145-afb9f0f2e0bc | Open Energy Information

    Open Energy Info (EERE)

    2. Demand 3. Energy << Previous 1 2 3 Next >> Basic Information Utility name: City of Aspen, Colorado (Utility Company) Effective date: 20130101 End date if known: 20131231...

  3. Data:9b636110-49b0-4d7b-8e17-ed7fc6b6d5a0 | Open Energy Information

    Open Energy Info (EERE)

    2. Demand 3. Energy << Previous 1 2 3 Next >> Basic Information Utility name: City of Aspen, Colorado (Utility Company) Effective date: 20130101 End date if known: 20131231...

  4. Data:23f0008e-dac0-4793-9c66-a9d576ca24ea | Open Energy Information

    Open Energy Info (EERE)

    2. Demand 3. Energy << Previous 1 2 3 Next >> Basic Information Utility name: City of Aspen, Colorado (Utility Company) Effective date: 20140101 End date if known: 20141231...

  5. ECOLOGY ABIO 320 FALL 2013 DR. CARACO BIOLOGY 253

    E-Print Network [OSTI]

    Caraco, Thomas

    1 ECOLOGY ABIO 320 FALL 2013 DR. CARACO BIOLOGY 253 Course Web Page: www Scores Links to Lectures #12;2 Texts Gotelli, NJ. A Primer of Ecology. 4 th Edit., 2008 (Required ) Alstad, D. Basic Populus Models of Ecology. 2001 [Rec ] Link to Download Populus on Course Web Page

  6. ORIGINAL PAPER Is the ranking of poplar genotypes for leaf carbon

    E-Print Network [OSTI]

    Boyer, Edmond

    can play an important role for sustainable production of woody biomass to cover renewable energy needs and Populus deltoides × Populus trichocarpa) were grown at two sites in Europe, i.e. northern Italy According to the European Energy Directive, biomass will be the major renewable fuel resource by 2020 (COM

  7. Novel Compression and Fueling Apparatus to Meet Hydrogen

    E-Print Network [OSTI]

    · Custom designed #12;14 Instrumentation and Flowmeter Flowmeter ­ Testing 350 barg flowmeter types Flowmeter and other instruments Dispensing equipment #12;4 Method Design, simulate, and test a novel ­ ASPEN heat and material balance ­ ASPEN dynamics ­ Design spreadsheets for various system components

  8. Research Object and Plan Center for Renewable Carbon

    E-Print Network [OSTI]

    Gray, Matthew

    properties of sweetgum, birch, and aspen wood harvested from control and elevated carbon dioxide treatments the effects of high CO2 level on plants What is FACE? 1. FreeAir Carbon dioxide Enrichment (FACE) method of elevated carbon dioxide on various tree species such as sweetgum, aspen, paper birch. 1. Compare chemical

  9. A thermodynamic analysis of the SO2/H2SO4 system in SO2-depolarized electrolysis

    E-Print Network [OSTI]

    Weidner, John W.

    Available online 28 June 2009 Keywords: Hybrid sulfur Hydrogen SO2-depolarized Electrolyzer Aspen Plus Aspen Plus phase equilibrium model using the OLI Mixed Solvent Electrolyte physical properties method­OLI Mixed solvent electrolyte model Reversible potential SO2 solubility Sulfuric acid a b s t r a c

  10. Predictive Functional Control Using a Blending Approach Mincho Hadjiski*, Ventsislav Asenov**

    E-Print Network [OSTI]

    Borissova, Daniela

    @uctm.edu ** SyscontLtd. Iskarsko Chaussee 14, 1592 Sofia E-mail: vensislav.asenov@honeywell.com Abstract: A new success companies ASPEN TECH, HONEYWELL ( HI Spec), ADERSA, SHELL Global Solutions. The total Sofia 2005 #12;3 3 (ASPEN Tech) and RMPCT (HONEYWELL) which posses some important new peculiarities

  11. G)Copyright1991by TheHumanaPressInc. Allrightsofanynaturewhatsoeverreserved.

    E-Print Network [OSTI]

    California at Riverside, University of

    . tremuloides, and Sweetgum Liquidambar styraciflua) were pretreated by dilute sulfuric acid and evaluated with petroleum-derived fuels, hydrolysis yields must be further increased, enzyme costs must be reduced are presently underway to address some of these challenges. A recent economic analysis (3) of the SSF process

  12. analysis reveals potential: Topics by E-print Network

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

    Last Page Topic Index 1 Genetic Analysis in Populus Reveals Potential to Enhance Soil Carbon Sequestration In a paper published in the August, 2005 issue of Canadian Journal of...

  13. Journal of Experimental Botany, Vol. 64, No. 8, pp. 22832293, 2013 doi:10.1093/jxb/ert096 Advance Access publication 18 April, 2013

    E-Print Network [OSTI]

    Hacke, Uwe

    Laur and Uwe G. Hacke* University of Alberta, Department of Renewable Resources, 4­42 Earth Sciences a study was conducted to determine how roots of hybrid poplar plants (Populus trichocarpa

  14. Summary Xylem vulnerability to cavitation is a promising criterion for identifying trees with high drought tolerance, but

    E-Print Network [OSTI]

    Mencuccini, Maurizio

    Summary Xylem vulnerability to cavitation is a promising criterion for identifying trees with high drought tolerance, but traditional techniques for measuring cavitation resistance are unsuitablefor throughput screening of cavitation resistance in five poplar (Populus spp.) andfour willow (Salix spp

  15. Integrating Safety Issues in Optimizing Solvent Selection and Process Design

    E-Print Network [OSTI]

    Patel, Suhani Jitendra

    2011-10-21T23:59:59.000Z

    ICAS-ProCAMD, and consequence models were integrated into Aspen Plus simulator using a calculator sheet. Upon integrating flammable and toxic hazard modeling, solvents such as 5-nonanone, 2-nonanone and 5-methyl-2-hexanone provide inherently safer...

  16. April 2013 Most Viewed Documents for Power Generation And Distribution...

    Office of Scientific and Technical Information (OSTI)

    Stoffel, J.B.; Pentecost, E.D.; Roman, R.D.; Traczyk, P.A. (1994) 719 Seventh Edition Fuel Cell Handbook NETL (2004) 628 ASPEN Plus Simulation of CO2 Recovery Process Charles...

  17. Most Viewed Documents for Power Generation and Distribution:...

    Office of Scientific and Technical Information (OSTI)

    Stoffel, J.B.; Pentecost, E.D.; Roman, R.D.; Traczyk, P.A. (1994) 133 Seventh Edition Fuel Cell Handbook NETL (2004) 96 ASPEN Plus Simulation of CO2 Recovery Process Charles W....

  18. Rigorous Synthesis and Simulation of Complex Distillation Networks

    E-Print Network [OSTI]

    Linninger, Andreas A.

    Rigorous Synthesis and Simulation of Complex Distillation Networks Gerardo J. Ruiz, Seon B. Kim energy-efficient distillation net- works. Complex column networks have substantial potential for energy column, networks, temperature collocation, inverse design, Aspen validation Introduction Distillation

  19. Annual Report on DOE Technology Transfer FY 2007 and 2008

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

    began in 2000 with a four- year CRADA with Fluent, AspenTech, Alstom Power, and West Virginia University. A U.S.- U.K. Memorandum of Understanding and Implementing Agreement was...

  20. Tree Species Traits Influence Soil Physical, Chemical, and Biological Properties in High Elevation Forests

    E-Print Network [OSTI]

    Wall, Diana

    : This research was funded by an Early Career Project Grant from the British Ecological Society awarded to EA of aspen. Soil carbon and N content, ammonium concentration, and microbial biomass did not differ among

  1. Large interannual CO 2 and energy exchange variability in a freshwater marsh under consistent environmental conditions

    E-Print Network [OSTI]

    Rocha, Adrian V.; Goulden, Michael L.

    2008-01-01T23:59:59.000Z

    on the annual carbon sequestration by a boreal aspen forest,tions into wetland carbon sequestration as remediation forin order to assess its carbon sequestration potential. 5.2.

  2. A techno-economic and environmental assessment of hydroprocessed renewable distillate fuels

    E-Print Network [OSTI]

    Pearlson, Matthew Noah

    2011-01-01T23:59:59.000Z

    This thesis presents a model to quantify the economic costs and environmental impacts of producing fuels from hydroprocessed renewable oils (HRO) process. Aspen Plus was used to model bio-refinery operations and supporting ...

  3. Project Profile: Regenerative Carbonate-Based Thermochemical...

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

    design of an advanced heat-exchange reactor system, evaluation of the optimized pellets in a simulated bench-scale TCES system over multiple cycles, and Aspen modeling and...

  4. Reducing Safety Flaring through Advanced Control 

    E-Print Network [OSTI]

    Hokanson, D.; Lehman, K.; Matsumoto, S.; Takai, N.; Takase, F.

    2010-01-01T23:59:59.000Z

    An advanced process control application, using DMCplus® (Aspen Technology, Inc.), was developed to substantially reduce fuel gas losses to the flare at a large integrated refining / petrochemical complex. Fluctuations in internal fuel gas system...

  5. A reverse osmosis treatment process for produced water: optimization, process control, and renewable energy application

    E-Print Network [OSTI]

    Mareth, Brett

    2009-06-02T23:59:59.000Z

    resources (wind and solar) are analyzed as potential power sources for the process, and an overview of reverse osmosis membrane fouling is presented. A computer model of the process was created using a dynamic simulator, Aspen Dynamics, to determine energy...

  6. CX-000404: Categorical Exclusion Determination

    Broader source: Energy.gov [DOE]

    Aspen Environmental GroupCX(s) Applied: A1, A9Date: 11/13/2009Location(s): San Francisco, CaliforniaOffice(s): Fossil Energy, National Energy Technology Laboratory

  7. MORRIS AND RISSMAN -FINAL 3/11/2010 9:01 AM PUBLIC ACCESS TO INFORMATION ON PRIVATE LAND

    E-Print Network [OSTI]

    Rissman, Adena

    in conservation easement databases; and (5) monitoring of monitoring. * Environmental Scientist, Aspen CONSERVATION: TRACKING CONSERVATION EASEMENTS AMY WILSON MORRIS* & ADENA R. RISSMAN** Conservation easements information about private land conservation. State and federal governments face important choices about how

  8. A reverse osmosis treatment process for produced water: optimization, process control, and renewable energy application 

    E-Print Network [OSTI]

    Mareth, Brett

    2009-06-02T23:59:59.000Z

    resources (wind and solar) are analyzed as potential power sources for the process, and an overview of reverse osmosis membrane fouling is presented. A computer model of the process was created using a dynamic simulator, Aspen Dynamics, to determine energy...

  9. agriculture project fact: Topics by E-print Network

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

    NIR) Characterization.fl. ) 12;Swedish University of Agricultural Sciences www.slu.se Heat treated biomass into green' bio-coal 176 FACTS II (Aspen FACE) Facility and Harshaw...

  10. Reducing Safety Flaring through Advanced Control

    E-Print Network [OSTI]

    Hokanson, D.; Lehman, K.; Matsumoto, S.; Takai, N.; Takase, F.

    2010-01-01T23:59:59.000Z

    An advanced process control application, using DMCplus® (Aspen Technology, Inc.), was developed to substantially reduce fuel gas losses to the flare at a large integrated refining / petrochemical complex. Fluctuations in internal fuel gas system...

  11. SEPARATIONS Modeling of CO Capture by Aqueous2

    E-Print Network [OSTI]

    Rochelle, Gary T.

    moval with alkanolamines. not of the single absorber and stripper. Aspen Plus was found to be suitable the model consistent with the interface pseudo-first-order model and with a re- gressed Electrolyte

  12. Climate Model Intercomparisons: Preparing for the Next Phase

    SciTech Connect (OSTI)

    Meehl, J.; Moss, Richard H.; Taylor, K. E.; Eyring, Veronika; Stouffer, R. J.; Bony, Sandrine; Stevens, B.

    2014-03-04T23:59:59.000Z

    The article reports on the Aspen Global Change Institute workshopthat provided an input on scenarios. Our group is continuing to work on a number of aspects of scenarios for the next research cycle.

  13. Utility Systems Management and Operational Optimization

    E-Print Network [OSTI]

    Dhole, V.; Seillier, D.; Garza, K.

    simultaneously within the context of an integrated utilities management objective. Aspen Utilities™ provides a single environment to optimize business processes relating to utilities management and substantially improves financial performance typically equivalent...

  14. Probabilistic Modeling and Evaluation of the Performance, Emissions, and Cost of Texaco Gasifier-

    E-Print Network [OSTI]

    Frey, H. Christopher

    .2 Commercial Status of Coal and Heavy Residual Oil-Fueled Gasification Systems- Based Integrated Gasification Combined Cycle Systems Using ASPEN Prepared by: H. Christopher Frey Naveen................................................................................................. 1 1.1 Overview of Gasification Systems

  15. Comprehensive Energy Efficiency in the Process Industries 

    E-Print Network [OSTI]

    Rossiter, A.

    2015-01-01T23:59:59.000Z

    distillation column after applying insulation (left) and after securing jacketing (right). Courtesy Aspen Aerogels, Inc. This was a major advance over the older high- pressure process, and the new process used much less energy per unit of production. A...

  16. The following are appendices A, B1 and B2 of our paper, "Integrated Process Modeling and Product Design of Biodiesel Manufacturing", that appears in the Industrial and

    E-Print Network [OSTI]

    Liu, Y. A.

    Design of Biodiesel Manufacturing", that appears in the Industrial and Engineering Chemistry Research a Biodiesel Process Model To access NIST TDE Data Engine in Aspen Plus version 2006.5 or V7.0 Step 1. Enter

  17. Real-Time Demand Side Energy Management

    E-Print Network [OSTI]

    Victor, A.; Brodkorb, M.

    2006-01-01T23:59:59.000Z

    Real-Time Demand Side Energy Management Annelize Victor Michael Brodkorb Sr. Business Consultant Business Development Manager Aspen Technology, Inc. Aspen Technology España, S.A. Houston, TX Barcelona, Spain ABSTRACT To remain... competitive, manufacturers must capture opportunities to increase bottom-line profitability. The goal of this paper is to present a new methodology for reducing energy costs – “Demand-Side Energy Management.” Learn how process manufacturers assess energy...

  18. Utilizing the heat content of gas-to-liquids by-product streams for commercial power generation

    E-Print Network [OSTI]

    Adegoke, Adesola Ayodeji

    2006-10-30T23:59:59.000Z

    &PIfortheLNG,GTL,andIntegratedGTLPower- GenerationProjects?????????????????? 41 A1 OverviewofGTLProcessDesignedwithAspenPlus...???? 51 1 CHAPTERI INTRODUCTION 1.1 Background Naturalgasisaclean,versatileandthereforedesirablesourceoffuel.Astrongfactorthat defines..., usingtheheatcontentofthesteamstreamand/orthetail-gasstream. TheIntegratedGTLPower-Generationprocesswasmodeledusingacombination Aspen Plus, for the GTL process and Steam System Assessment Tool (DOE), for the power generation. The design of the integrated GTL Power-generation process...

  19. An evaluation of water quality in the Sangre de Cristo Mountains, New Mexico: a comparison of 1958 and 1990 water signatures

    E-Print Network [OSTI]

    Wilkins, David Evan

    1991-01-01T23:59:59.000Z

    (proportionate relationship), flow dilution (inverse relationship), and dilution plus flow driven (initially inverse, changing to proportionate). Singh (1976) examined the solute yields of two small (&10km2) subalpine basins in Alberta, Canada, an aspen... sheets: Aspen Basin (1977), Cowles (1961), El Valle (1964), Jicarita Peak (1964), McClure Reservoir (1953), Pecos Falls (1963), Sierra Mosca (1977), and Truchas Peak (1963). The study area is accessible from the south through Cowles, New Mexico, via...

  20. Review of an internship with Ouray District United States Forest Service

    E-Print Network [OSTI]

    Caddy, Mark W

    1985-01-01T23:59:59.000Z

    for the Uncompahgre National Forest Z. Record of Vegetative Development 3. Record of Utilization by Height-Weight Method Percent of Height Grazed Computation Table Height-Weight Table APPENDIX H. Aspen Management Guidelines. APPENDIX C. Results of CDOW Survey...-winter range (Map 3). Wildlife work was not limited to revegetation and water improvements. The Forest Service also conducts habitat manipulation in the form of aspen (~Po ulus tzemuloides) management, burning, and Knutson-Vandenbuzg (K-V) work. The percent...

  1. Aerogel-Based Insulation for Industrial Steam Distribution Systems

    SciTech Connect (OSTI)

    John Williams

    2011-03-30T23:59:59.000Z

    Thermal losses in industrial steam distribution systems account for 977 trillion Btu/year in the US, more than 1% of total domestic energy consumption. Aspen Aerogels worked with Department of Energy’s Industrial Technologies Program to specify, develop, scale-up, demonstrate, and deliver Pyrogel XT®, an aerogel-based pipe insulation, to market to reduce energy losses in industrial steam systems. The product developed has become Aspen’s best selling flexible aerogel blanket insulation and has led to over 60 new jobs. Additionally, this product has delivered more than ~0.7 TBTU of domestic energy savings to date, and could produce annual energy savings of 149 TBTU by 2030. Pyrogel XT’s commercial success has been driven by it’s 2-4X better thermal performance, improved durability, greater resistance to corrosion under insulation (CUI), and faster installation times than incumbent insulation materials.

  2. Mathematical modeling of MCFC cells/stacks and networks

    SciTech Connect (OSTI)

    Williams, M.C.; Wimer, J.; Sudhoff, F. [USDOE Morgantown Energy Technology Center, WV (United States); Archer, D. [Carnegie-Mellon Univ., Pittsburgh, PA (United States)

    1993-11-01T23:59:59.000Z

    In this paper, various (molten carbonate fuel cell) MCFC cell/stack and network arid system models available in the public domain are discussed. Parametric and phenomenological fuel cell mathematical models are being used to simulate individual MCFC cell/stack performance. With initial demonstration of full-area, full-height 250-kW to 2-MW MCFC power plants, the spatial configuration of the MCFC stacks into networks in the fuel cell power plant takes on new importance. MCFC network and power plant system flowsheet performance is being modeled using-the ASPEN system model. ASPEN is a tear and iterate flowsheet simulator in the public domain. ASPEN is suitable for MCFC network simulation since it has strong systems and property database capabilities. With emergence of larger MCFC power plant system demonstrations, system modeling of MCFC power plants is now essential. DOE routinely uses MCFC models in making performance comparisons and in decision-making.

  3. INNOVATIVE, DIVERSIFIED AGROFORESTRY PLANTINGS IN SUPPORT OF ENERGY SECURITY, ENVIRONMENTAL QUALITY,

    E-Print Network [OSTI]

    Weiblen, George D

    be able to provide feedstocks to support the development of alternative energy industries and also create sustainable agroecosystems. Such systems could provide long-term carbon storage, habitat for wildlife and non willow clones were planted Poplar clone NM6 (Populus maximowiczii x P. nigra) Characteristics Cold

  4. -Structure and composition of edges next to regenerating clear-cuts in mixed-wood boreal forest -535 Journal of Vegetation Science 13: 535-546, 2002

    E-Print Network [OSTI]

    Macdonald, Ellen

    significant primary responses to edge creation including increased tree mortality, snag breakage and amount: Edge influence; Forest structure; Mortality; Populus; Succession; Understory. Nomenclature: Moss (1983 directly from wind and microclimate effects causing canopy tree dam- age and death (Laurance & Yensen 1991

  5. Influence of evaporative demand on aquaporin expression and root hydraulics of hybrid poplarpce_2331 1318..1331

    E-Print Network [OSTI]

    Hacke, Uwe

    Influence of evaporative demand on aquaporin expression and root hydraulics of hybrid poplarpce_2331 1318..1331 ADRIANA M. ALMEIDA-RODRIGUEZ, UWE G. HACKE & JOAN LAUR Department of Renewable (Y), allowing continued gas exchange in hybrid poplar (Populus trichocarpa ¥ deltoides) saplings

  6. ORIGINAL PAPER ITS-based comparison of endophytic mycota in twigs

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    ORIGINAL PAPER ITS-based comparison of endophytic mycota in twigs of native Populus nigra is to describe and compare the endophytic mycota in twigs from native poplar (P. nigra) and hybrid poplar plantations (P. x euramericana clone I-214). & Methods Twig endophytes were isolated from three native

  7. PHOTOSYNTHETICA 16 (3): 321-333, 1982 Autumnal Photosynthesis

    E-Print Network [OSTI]

    8 m plots in late April and early May 1977 at the Michigan State University Tree Research Center Cultured Populus Clones* N.D. NELSON**, D. I. DICKMANN*** and K. W. GOTTSCHALK+ USDA Forest Sen·ice, Forestry Sciences Laboratory, Rhinelander, WI. 54501, U.S.A.** Department of Forestry, Michigan State

  8. Climate and local geomorphic interactions drive patterns of riparian forest decline along a Mediterranean Basin river

    E-Print Network [OSTI]

    Stella, John C.

    Populus nigra (Salicaceae) In-channel gravel mining Climate change Dynamic fluvial processes strongly controls on soil depth. Climate in the Drôme basin and in the Mediterranean region is trendingClimate and local geomorphic interactions drive patterns of riparian forest decline along

  9. Establishment phase greenhouse gas emissions in short rotation woody biomass plantations

    E-Print Network [OSTI]

    Turner, Monica G.

    to short-rotation woody biomass crops (SRWC) for bioenergy in the Northern U.S. Lake States. GHG debts-rotation woody bio- energy crops (SRWC), specifically hybrid-poplar (Populus spp.) and willow (Salix spp.), being in the Northern Lake States, USA Marin M. Palmer a, *, Jodi A. Forrester a , David E. Rothstein b , David J

  10. 405-744-WELL (9355) I wellness@okstate.edu I wellness.okstate.edu Ticket Booth

    E-Print Network [OSTI]

    Veiga, Pedro Manuel Barbosa

    be prepared without MSG (monosodium glutamate) and less oil if possible. Tofu dishes are often fried; ask for fresh tofu when ordering an entrée. All Pad Thai dishes are stir fried and contain large amounts of oil. Aspen Coffee Company All hot espresso drinks (except Caffe Breve) request skim milk or soy milk. Hot

  11. Relation of soil-, surface-, and ground-water distributions of inorganic nitrogen with

    E-Print Network [OSTI]

    Macdonald, Ellen

    Relation of soil-, surface-, and ground-water distributions of inorganic nitrogen with topographic position in harvested and unharvested portions of an aspen-dominated catchment in the Boreal Plain M.L. Macrae, K.J. Devito, I.F. Creed, and S.E. Macdonald Abstract: Spatial distributions of soil extractable

  12. Table 1. Annual estimates and uncertainty, and Figure 1. Area of timberland and forest land by year.

    E-Print Network [OSTI]

    in live trees (1,000,000 ft3 ) 15,510 1.9 3.6 Net volume of growing-stock trees (1,000,000 ft3 ) 14,088 2.0/beech/birch Elm/ash/cottonwood Oak/pine Aspen / birch White/red pine Forest land (1,000,000 acres

  13. Research Note NRS-136 This publication provides an overview of forest resource

    E-Print Network [OSTI]

    of live trees (1,000 ft 3/ year) 619,902 2.0 -1.1 Annual mortality of live trees (1,000 ft 3 /year) 296/beech/birch Elm/ash/cottonwood Aspen/birch Area of Forest Land (1,000 acres) Forest-typeGroup Large Medium Small

  14. ISSUES AND ENVIRONMENTAL IMPACTS ASSOCIATED WITH

    E-Print Network [OSTI]

    CALIFORNIA ENERGY COMMISSION ISSUES AND ENVIRONMENTAL IMPACTS ASSOCIATED WITH ONCE-THROUGH COOLING AT CALIFORNIA'S COASTAL POWER PLANTS In Support of the 2005 Environmental Performance Report and 2005 Integrated Principal Authors Dr. Noel Davis, Chambers Group James Schoonmaker, Aspen Environmental Group Robert

  15. JOURNAL OF OPTIMIZATION THEORY AND APPLICATIONS: Vol. 99, No. 3. pp. 723 757, DECEMBER 1998 Application of Interior-Point Methods to

    E-Print Network [OSTI]

    Wright, Steve

    -basedstrategy that uses a plant model to predict the effect of an input profile on the evolving state of the plant.At each isimplemented until another plant measurement becomes available. The updated plant 1This work was supported and Technology Research, U.S. Depart- ment of Energy, under Contract W-31-l09-Eng-38, and a grant from Aspen

  16. Career Development: Statistics: 2010 Of the 44 May 2010 graduates, 84 percent (37 people) reported by October 15, 2010, that

    E-Print Network [OSTI]

    Wisconsin at Madison, University of

    · Energy Institute, University of Wisconsin­Madison Private Sector · Aspen Institute · Epic · Wisconsin Legislative Audit Bureau · Wisconsin Legislative Fiscal Bureau · Public Service Commission of Wisconsin Nonprofit or Education Sector · Institute for Research on Poverty · IRIS Center, University of Maryland

  17. ESSENTIAL FACILITIES December 10, 2012

    E-Print Network [OSTI]

    Handy, Todd C.

    . v. US, 410 US 366 (1973): Must let competitors use transmission lines §2 · MCI v AT&T Co., 708 F.2d claim. §2 · Aspen Skiing § 2 liability: predation · Verizon v. Trinko, 540 U.S. 398 (2004). Sup Ct-Finding is Hard The cost of false positives counsels against an undue expansion of § 2 liability #12;10 Reason

  18. Optical Sensing of Ecosystem Carbon Fluxes

    E-Print Network [OSTI]

    . Solar Induced Fluorescence (peaks at 690 and 735 nm) #12;GEP = ! fAPAR PARin Where: GEP is the gross and absorbed carbon - In existing models ! is assigned a maximum value based on cover type and downregulated Calibration panel AMSPEC FUSION #12;SK-Old Aspen Seasonality: NDVI, EVI, GEP Data from T. Hilker, T.A. Black

  19. Project Award Spreadsheets 2010 12 21 1232.xlsx

    Office of Environmental Management (EM)

    District(s) Population Recovery Act Funding* Asheville ** NC NC-011 500,000 209,940 Aspen CO CO-003 5,902 59,193 Aurora CO CO-007 319,057 151,800 Baltimore MD MD-002 636,919...

  20. Using Auxiliary Gas Power for CCS Energy Needs in Retrofitted Coal Power Plants

    E-Print Network [OSTI]

    with back pressure steam turbine. The capital cost of the MEA unit is estimated using the Aspen Icarus integration of its supercritical steam cycle with the stripper reboiler to supply the energy needed gas plant technologies. The three technologies assessed are the gas turbine (GT) with heat recovery

  1. Marco Mazzotti and Mischa Werner Institute of Process Engineering, D-MAVT, ETHZ

    E-Print Network [OSTI]

    Fischlin, Andreas

    Unconventional gas (and oil): «Fracking» Energy, emissions, fossils Source: www.propublica.org, 2012 § Fresh water use à up to 24 Mio l per well § Chemicals added to fracking fluids à viscosity modifiers, acids Unconventional gas (and oil): «Fracking» Energy, emissions, fossils www.ecoflight.com, Aspen § Fresh water use à

  2. Columbia University Energy Options & Paths to Climate Stabilization

    E-Print Network [OSTI]

    Mauel, Michael E.

    -lived radioactive components. · Safe: no catastrophic accidents; Low-risk for nuclear materials proliferation WhyMike Mauel Columbia University Energy Options & Paths to Climate Stabilization Aspen, 9 July 2003 Fusion Energy: "Pipe Dream or Panacea" #12;Mike Mauel Columbia University Energy Options & Paths

  3. Approved Module Information for CE2105, 2014/5 Module Title/Name: Process Simulation Module Code: CE2105

    E-Print Network [OSTI]

    Neirotti, Juan Pablo

    the program to processes in chemicals manufacturing, power generation and petrochemical refiningApproved Module Information for CE2105, 2014/5 Module Title/Name: Process Simulation Module Code * Familiarity with the widely used process flowsheeting program AspenPlus. * The opportunity to apply

  4. c 1997 by Jay H. Lee, Jin Hoon Choi, and Kwang Soon Lee DYNAMIC MATRIX CONTROL

    E-Print Network [OSTI]

    Hong, Deog Ki

    representation using step response coe cients. Currently being marketed by AspenTech in the name of DMC of the algorithm. There may be some di erences in details. 2.1 FINITE IMPULSE AND STEP RESPONSE MODEL 2: need to have n-past inputs vk ,1; ; vk ,n in the memory. 2.1.3 STEP RESPONSE AND STEP RESPONSE MODEL

  5. Merging Hypermedia GIS with Spatial On-Line Analytical Processing: Towards Hypermedia SOLAP

    E-Print Network [OSTI]

    to select any point in the city of Aspen to start a virtual visit by viewing on-demand a film(s)), Geographic Hypermedia: Concepts and Systems . accepté #12;information adheres to the way human brains think, charts or photographs), videos, sounds (music and oral narration) and animations (changing maps, objects a

  6. Retention Time and the Functional Response of Beavers J. M. Fryxell; S. M. Vamosi; R. A. Walton; C. M. Doucet

    E-Print Network [OSTI]

    Vamosi, Steven

    lower consumption rates than aspen with a short retention time. Net rates of energy gain were also Station, TX 77843-2258, USA1. Theoretical considerations of predation rates in relation tion and energy of food intake and energy gain by beavers. Ad libitum intake rates by beavers were a hyperbolic function

  7. The 48th Scandinavian Conference on Simulation and Modeling Gteborg (Sr)

    E-Print Network [OSTI]

    Burns, Peter

    Gear Drive System................. 66 Rostyslav Stolyarchuk Aspen HYSYS Simulation of CO2 RemovalSIMS 2007 The 48th Scandinavian Conference on Simulation and Modeling Göteborg (Särö) 30­31 October authenticity, security and accessibility. According to intellectual property law the author has the right

  8. Prof. Gary T. Rochelle CPE 5.462, 17 PhD (8 Graduating in 2011)

    E-Print Network [OSTI]

    Texas at Austin, University of

    Coal Combustion #12;CO2 Emissions by Source (1998) Coal Elec Gas Elec. Petro. Elec. Ind. Coal Ind. Gas FGD CaSO 4 CaCO 3 Abs/Str Disposal Well Turbines 150 atm CO2 Coal Net Power 3-6 atm stm -NOx NH3 #12;Modeling and Pilot Plant Activities · Develop Integrated Process Models w Aspen · Validate Models

  9. International Exergy, Life Cycle Assessment, and Sustainability Workshop & Symposium (ELCAS3) 07 -09 July, 2013, NISYROS -GREECE

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    from CAPSIS are included in a "soil to power" model under Aspen Plus®, a process-oriented software3rd International Exergy, Life Cycle Assessment, and Sustainability Workshop & Symposium (ELCAS3 hal-00858490,version1-6Sep2013 Author manuscript, published in "3rd International Exergy, Life Cycle

  10. Evacuated Panels Utilizing Clay-Polymer Aerogel Composites for Improved Housing Insulation

    E-Print Network [OSTI]

    Rollins, Andrew M.

    Evacuated Panels Utilizing Clay-Polymer Aerogel Composites for Improved Housing Insulation March 17 encompasses a newly developed clay-polymer aerogel composite material (developed and patented by Dr. David Aerogel ~22 > 2,500 Silica Aerogel Blanket 10 1,800 (Aspen Aerogel) Silica Aerogel / PP Evacuated Panel 50

  11. DEVELOPMENT OF TECHNOLOGIES AND ANALYTICAL CAPABILITIES FOR VISION 21 ENERGY PLANTS

    SciTech Connect (OSTI)

    Madhava Syamlal, Ph.D.`

    2001-04-20T23:59:59.000Z

    The project management plan was finalized during a project kick off meeting held on January 16, 2001 in Lebanon, NH, which was attended by all project participants. The project management plan was submitted to DOE and was revised based on comments from DOE (Task 1.0). A survey of the potential users of the integrated software was conducted. A web-based survey form was developed and was announced in the ProcessCity discussion forum and in AspenTech's e-mail digest Aspen e-Flash. Several Fluent clients were individually contacted. A user requirements document was written (Task 2.2). As a prototype of AspenPlus-Fluent integration, the flowsheet for allyl alcohol production via the isomerization of propylene oxide was developed. A stirred tank reactor in the flowsheet for converting the byproduct acetone into n-propyl propionate was modeled with Fluent, version 5.4. The convergence of the AspenPlus-Fluent integrated model was demonstrated, and a list of data exchanges required between AspenPlus and Fluent was developed (Task 2.6). As the first demonstration case, the RP and L power plant was selected. A planning meeting was held on February 13, 2001 in Cambridge, MA to discuss this demonstration case. It was decided that the steam-side of the power plant would be modeled with AspenPlus and the gas-side, with the ALSTOM Power in-house code INDVU. A flowsheet model of the power plant was developed (Task 3.1). Three positive responses were received for the invitation to join the project Advisory Board. It was decided to expand the membership on the Advisory Board to include other industrial users interested in integrating AspenPlus and Fluent. Additional invitations were sent out (Task 5.0). Integraph's role in the project was restructured based on discussions among the project participants. Fluent hired Dr. Maxwell Osawe to work on the project. Dr. Osawe brings to the project a unique combination of skills (expertise in CFD and object-oriented design and programming) required for the software integration task (Task 7.0).

  12. GREET Pretreatment Module

    SciTech Connect (OSTI)

    Adom, Felix K.; Dunn, Jennifer B.; Han, Jeongwoo

    2014-09-01T23:59:59.000Z

    A wide range of biofuels and biochemicals can be produced from biomass via different pretreatment technologies that yield sugars. This report documents the material and energy flows that occur when fermentable sugars from four lignocellulosic feedstocks (corn stover, miscanthus, switchgrass, and poplar) are produced via dilute acid pretreatment and ammonia fiber expansion. These flows are documented for inclusion in the pretreatment module of the Greenhouses Gases, Regulated Emissions, and Energy Use in Transportation (GREET) model. Process simulations of each pretreatment technology were developed in Aspen Plus. Material and energy consumption data from Aspen Plus were then compiled in the GREET pretreatment module. The module estimates the cradle-to-gate fossil energy consumption (FEC) and greenhouse gas (GHG) emissions associated with producing fermentable sugars. This report documents the data and methodology used to develop this module and the cradle-to-gate FEC and GHG emissions that result from producing fermentable sugars.

  13. Process modeling for the Integrated Nonthermal Treatment System (INTS) study

    SciTech Connect (OSTI)

    Brown, B.W.

    1997-04-01T23:59:59.000Z

    This report describes the process modeling done in support of the Integrated Nonthermal Treatment System (INTS) study. This study was performed to supplement the Integrated Thermal Treatment System (ITTS) study and comprises five conceptual treatment systems that treat DOE contract-handled mixed low-level wastes (MLLW) at temperatures of less than 350{degrees}F. ASPEN PLUS, a chemical process simulator, was used to model the systems. Nonthermal treatment systems were developed as part of the INTS study and include sufficient processing steps to treat the entire inventory of MLLW. The final result of the modeling is a process flowsheet with a detailed mass and energy balance. In contrast to the ITTS study, which modeled only the main treatment system, the INTS study modeled each of the various processing steps with ASPEN PLUS, release 9.1-1. Trace constituents, such as radionuclides and minor pollutant species, were not included in the calculations.

  14. Mixed Waste Treatment Project: LLNL and LANL computer simulations of integrated flowsheets

    SciTech Connect (OSTI)

    Camp, D.W.; Dietsche, L.J.; Upadhye, R.S. [Lawrence Livermore National Lab., CA (United States); Borduin, L.C.; Pendergrass, J.A. [Los Alamos National Lab., NM (United States); Thompson, T.K. [Thompson (T.K.), Inc., Los Alamos, NM (United States)

    1994-03-01T23:59:59.000Z

    Computer simulations of mixed waste processing flowsheets using ASPEN PLUS process simulation software were completed by a joint Lawrence Livermore National Laboratory/Los National Laboratory (LLNL/LANL) effort for the US Department of Energy Mixed Waste Treatment Project. The LLNL model used relatively detailed synthesized chemical ``cocktails`` to simulate waste streams. The LANL approach used less detail but made extensive use of simple steam splitters and thermodynamic coal models for combustible waste compositions. The two modeling approaches agreed within 16% for the product streams and within 25% for the auxiliary fuel rate. The discrepancy between the auxiliary fuel rates was traced to different methods of handling organics in lab packs and scintillation vials with the process models. The ASPEN models are valuable tools for evaluating waste processing flowsheets.

  15. Table 1. Annual estimates, uncertainty, and change. Figure 2. Forest land area by stand-size class* for top

    E-Print Network [OSTI]

    (1,000,000 ft3 ) 13,741 2.0 0.9 Annual net growth of growing-stock trees (1,000 ft3 /year) 382,226 3,000,000acres) Year Large diameter Medium diameter Small diameter 0 1 2 3 4 Oak/hickory Maple/beech/birch Elm Black cherry White oak Aspen Ash Virginia pine Black locust Scarlet oak Elm Average Annual Mortality

  16. Figure 3. Area of timberland by stand-size class (based on small, medium, and large trees) and year.

    E-Print Network [OSTI]

    of growing- stock trees (1,000 ft3/year) 13,626 30.7 -51.6 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 Maple/beech/birch Oak/hickory Aspen/birch Spruce/fir Elm/ash/cottonwood White/red/jack pine Oak/pine Forest Land

  17. September 2012 CCE One-time Service Projects Transportation Provided | Sign Up on CougSync!

    E-Print Network [OSTI]

    Collins, Gary S.

    Society of the Palouse 2PM-4PM Bishop Place Wii and Games 2PM-4PM Aspen Park Senior Center Games 6:30 PM Senior Center Games 6 PM ­ 7:30 Franklin PT Association Childcare 6:30 PM ­ 8:15 PM 12 Palouse of the Palouse 2PM-4PM Palouse-Clearwater Environmental Institute 3PM-5PM Tomason Time Mentoring 4 PM ­ 5:30 PM

  18. Supplemental Material to Cryogenic Roadmap Current Commercial Technology

    E-Print Network [OSTI]

    Supplemental Material to Cryogenic Roadmap Current Commercial Technology Refrigeration Approximate,500 Brayton Turbine $800,000 $69.57 167 14.5 18.94% Liquid Air Plants Cosmodyne GF-1 80 N2 4 T/Day 8,400 Brayton Turbine $700,000 $83.33 372 44.3 6.21% Cosmodyne Aspen 1000 80 N2 1000 nM3 /Hr 64,969 Brayton

  19. Morris Plant Energy Efficiency Program 

    E-Print Network [OSTI]

    Betczynski, M. T.

    2004-01-01T23:59:59.000Z

    installed on several olefins cracking furnaces in order to improve heat recovery from the cracked process gas. As a result of the additional heat recovery, steam imported from the cogeneration facility was reduced by 45,000 lbs/hr. The large turbines... integrated an Aspen-based plant-wide data historian, which is utilized to compile process data from control and measurement points throughout the Morris plant. On-line optimization using this extensive data repository has helped the plant better...

  20. Available Energy Calculations for Process Engineers

    E-Print Network [OSTI]

    Parker, A. L.

    1982-01-01T23:59:59.000Z

    in the unit plus the difference in the free energy of mixing for the unit feed and product streams at dead state condi tions. Thus, by a proper choice of reference state, lost work values may be computed without defining a reference environment... pressure decreases. Available Energy Analysis Via Computer Virtually every major design and most minor designs done today are, at one time or another, modeled with a steady state chemical process simulator such as ASPEN (8 and 9), Monsantos' FLOWTRAN...

  1. Intergrated Nox Emissions Reductions from Energy Efficiency and Renewable Energy (EE/RE) Programs across State Agencies in Texas

    E-Print Network [OSTI]

    Baltazar, J.C.; Haberl, J.; Yazdani, B.

    2014-01-01T23:59:59.000Z

    Landfill Gas McCommas Bluff Landfill, Dallas, TX Biomass Aspen Power Biomass Plant, Lufkin, TX Ground Source Heat Pump Geothermal SAVINGS FROM RENEWABLES Wind Green Mountain Energy Wind Farm, Fluvanna, Texas p. 12 INTERNATIONAL CONFERENCE FOR ENHANCED... Renewables: Biomass, Hydro, Landfill Gas, Solar, Wind Wind energy is the largest portion Solar has considerable increased over 2013 Biomass Solar Landfill Hydro Excluding Wind Steady in Landfill over 2013 Considerable decreased in hydro over 2013 Also...

  2. Aerogel Derived Nanostructured Thermoelectric Materials

    SciTech Connect (OSTI)

    Wendell E Rhine, PI; Dong, Wenting; Greg Caggiano, PM

    2010-10-08T23:59:59.000Z

    America’s dependence on foreign sources for fuel represents a economic and security threat for the country. These non renewable resources are depleting, and the effects of pollutants from fuels such as oil are reaching a problematic that affects the global community. Solar concentration power (SCP) production systems offer the opportunity to harness one of the United States’ most under utilized natural resources; sunlight. While commercialization of this technology is increasing, in order to become a significant source of electricity production in the United States the costs of deploying and operating SCP plants must be further reduced. Parabolic Trough SCP technologies are close to meeting energy production cost levels that would raise interest in the technology and help accelerate its adoption as a method to produce a significant portion of the Country’s electric power needs. During this program, Aspen Aerogels will develop a transparent aerogel insulation that can replace the costly vacuum insulation systems that are currently used in parabolic trough designs. During the Phase I program, Aspen Aerogels will optimize the optical and thermal properties of aerogel to meet the needs of this application. These properties will be tested, and the results will be used to model the performance of a parabolic trough HCE system which uses this novel material in place of vacuum. During the Phase II program, Aspen Aerogels will scale up this technology. Together with industry partners, Aspen Aerogels will build and test a prototype Heat Collection Element that is insulated with the novel transparent aerogel material. This new device will find use in parabolic trough SCP applications.

  3. Life-cycle assessment of corn-based butanol as a potential transportation fuel.

    SciTech Connect (OSTI)

    Wu, M.; Wang, M.; Liu, J.; Huo, H.; Energy Systems

    2007-12-31T23:59:59.000Z

    Butanol produced from bio-sources (such as corn) could have attractive properties as a transportation fuel. Production of butanol through a fermentation process called acetone-butanol-ethanol (ABE) has been the focus of increasing research and development efforts. Advances in ABE process development in recent years have led to drastic increases in ABE productivity and yields, making butanol production worthy of evaluation for use in motor vehicles. Consequently, chemical/fuel industries have announced their intention to produce butanol from bio-based materials. The purpose of this study is to estimate the potential life-cycle energy and emission effects associated with using bio-butanol as a transportation fuel. The study employs a well-to-wheels analysis tool--the Greenhouse Gases, Regulated Emissions and Energy Use in Transportation (GREET) model developed at Argonne National Laboratory--and the Aspen Plus{reg_sign} model developed by AspenTech. The study describes the butanol production from corn, including grain processing, fermentation, gas stripping, distillation, and adsorption for products separation. The Aspen{reg_sign} results that we obtained for the corn-to-butanol production process provide the basis for GREET modeling to estimate life-cycle energy use and greenhouse gas emissions. The GREET model was expanded to simulate the bio-butanol life cycle, from agricultural chemical production to butanol use in motor vehicles. We then compared the results for bio-butanol with those of conventional gasoline. We also analyzed the bio-acetone that is coproduced with bio-butanol as an alternative to petroleum-based acetone. Our study shows that, while the use of corn-based butanol achieves energy benefits and reduces greenhouse gas emissions, the results are affected by the methods used to treat the acetone that is co-produced in butanol plants.

  4. High performance APCS conceptual design and evaluation scoping study

    SciTech Connect (OSTI)

    Soelberg, N.; Liekhus, K.; Chambers, A.; Anderson, G.

    1998-02-01T23:59:59.000Z

    This Air Pollution Control System (APCS) Conceptual Design and Evaluation study was conducted to evaluate a high-performance (APC) system for minimizing air emissions from mixed waste thermal treatment systems. Seven variations of high-performance APCS designs were conceptualized using several design objectives. One of the system designs was selected for detailed process simulation using ASPEN PLUS to determine material and energy balances and evaluate performance. Installed system capital costs were also estimated. Sensitivity studies were conducted to evaluate the incremental cost and benefit of added carbon adsorber beds for mercury control, specific catalytic reduction for NO{sub x} control, and offgas retention tanks for holding the offgas until sample analysis is conducted to verify that the offgas meets emission limits. Results show that the high-performance dry-wet APCS can easily meet all expected emission limits except for possibly mercury. The capability to achieve high levels of mercury control (potentially necessary for thermally treating some DOE mixed streams) could not be validated using current performance data for mercury control technologies. The engineering approach and ASPEN PLUS modeling tool developed and used in this study identified APC equipment and system performance, size, cost, and other issues that are not yet resolved. These issues need to be addressed in feasibility studies and conceptual designs for new facilities or for determining how to modify existing facilities to meet expected emission limits. The ASPEN PLUS process simulation with current and refined input assumptions and calculations can be used to provide system performance information for decision-making, identifying best options, estimating costs, reducing the potential for emission violations, providing information needed for waste flow analysis, incorporating new APCS technologies in existing designs, or performing facility design and permitting activities.

  5. A One-Dimensional (1-D) Three-Region Model for a Bubbling Fluidized-Bed Adsorber

    SciTech Connect (OSTI)

    Lee, Andrew; Miller, David C.

    2012-01-01T23:59:59.000Z

    A general one-dimensional (1-D), three-region model for a bubbling fluidized-bed adsorber with internal heat exchangers has been developed. The model can predict the hydrodynamics of the bed and provides axial profiles for all temperatures, concentrations, and velocities. The model is computationally fast and flexible and allows for any system of adsorption and desorption reactions to be modeled, making the model applicable to any adsorption process. The model has been implemented in both gPROMS and Aspen Custom Modeler, and the behavior of the model has been verified.

  6. REBUILD AMERICA PROGRAM SCOPE OF WORK

    SciTech Connect (OSTI)

    Jeffrey Brown; Bruce Exstrum

    2004-12-01T23:59:59.000Z

    This report summarizes the activities carried out by Aspen Systems Corporation in support of the Department of Energy's Rebuild America program during the period from October 9, 1999 to October 31, 2004. These activities were in accordance with the Scope of Work contained in a GSA MOBIS schedule task order issued by the National Energy Technology Laboratory. This report includes descriptions of activities and results in the following areas: deployment/delivery model; program and project results; program representative support activities; technical assistance; web site development and operation; business/strategic partners; and training/workshop activities. The report includes conclusions and recommendations. Five source documents are also provided as appendices.

  7. CO2>Binding)Organic)Liquids)Gas)Capture)with) Polarity>Swing>Assisted)Regeneration)

    SciTech Connect (OSTI)

    Heldebrant, David

    2014-05-31T23:59:59.000Z

    This report outlines the comprehensive bench-scale testing of the CO2-binding organic liquids (CO2BOLs) solvent platform and its unique Polarity Swing Assisted Regeneration (PSAR). This study outlines all efforts on a candidate CO2BOL solvent molecule, including solvent synthesis, material characterization, preliminary toxicology studies, and measurement of all physical, thermodynamic and kinetic data, including bench-scale testing. Equilibrium and kinetic models and analysis were made using Aspen Plus™. Preliminary process configurations, a technoeconomic assessment and solvent performance projections for separating CO2 from a subcritical coal-fired power plant are compared to the U.S. Department of Energy's Case 10 monoethanolamine baseline.

  8. CO2 CAPTURE BY ABSORPTION WITH POTASSIUM CARBONATE

    SciTech Connect (OSTI)

    Gary T. Rochelle; Eric Chen; J. Tim Cullinane; Marcus Hilliard; Terraun Jones

    2003-04-01T23:59:59.000Z

    The objective of this work is to improve the process for CO{sub 2} capture by alkanolamine absorption/stripping by developing an alternative solvent, aqueous K{sub 2}CO{sub 3} promoted by piperazine. A rigorous thermodynamic model has been developed with a stand-alone FORTRAN code to represent the CO{sub 2} vapor pressure and speciation of the new solvent. Parameters have been developed for use of the electrolyte NRTL model in AspenPlus. Analytical methods have been developed using gas chromatography and ion chromatography. The heat exchangers for the pilot plant have been ordered.

  9. Ecology of the predator assemblage affecting nest success of passerines in Sierra Nevada, California

    E-Print Network [OSTI]

    Cocimano, Maria C.

    2010-07-14T23:59:59.000Z

    were surveyed since 1997 (15 from 1997 to 2006, plus 6 added in 2003). My study areas were located in montane meadows in central Sierra Nevada, California, USA, including El Dorado, Placer, Nevada, and Sierra counties. The area presents a... the line intercept method (Bonham 1989), using a pole (200 cm tall ? 1.25 cm diameter). I took measurements every 3 meters, including vegetation type, as each species of plant that touched the pole (willow, other shrub species, grass/forbs, aspen, alder...

  10. Redesign of an isochoric apparatus for P-V-T studies

    E-Print Network [OSTI]

    Johansen, Jared Jon

    2013-02-22T23:59:59.000Z

    der Waals developed the first EOS of consequence in 1873 based upon the hard sphere model of gases. Commercial software packages such as Aspen and Hysis use equations of state extensively for modeling chemical processes. Cubic equations of state... enr oro IN alw114ree Dwr eto olbcnhdo gasket ked due to seal ng p ess s dus plus swat tor s generated by relf. east ng gasket Ih ckmws of asset eats hangs SvcIN4ss ol lnAd Qarrgo Mawmum d~o meal 4 tanya malenal st ope atsrg tern penrture Mswman...

  11. The influence of phenylacetic acid, ethephon, and cytokinin on the rooting of slash pine cuttings

    E-Print Network [OSTI]

    Hankins, Margaret Wendel

    1983-01-01T23:59:59.000Z

    of chrysanthemum (66), stimulated root1ng in Protea ner1ifolia (17) and black walnut (16), but had no effect on dormant stem cuttings of aspen (67). When used with either IAA or IBA, the percentages of cuttings rooted as well as the number of roots per cutting... in which they were applied. H1gh aux1n plus low cytokin1n 1nduced root format1on while h1gh cytokin1n plus low aux1n induced shoot formation. The inhibitory effect of high cytokinin concentrat1ons on auxin- induced root formation appears to be a general...

  12. A Case Study on In-situ Rejuvenation of Degraded Insulation on Industrial Piping in Hot Service 

    E-Print Network [OSTI]

    Williams, J.

    2015-01-01T23:59:59.000Z

    -situ Rejuvenation of Degraded Insulation on Industrial Piping In Hot Service John Williams VP, Marketing & Technical Services Aspen Aerogels, Inc. jwilliams@aerogel.com ESL-IE-15-06-35 Proceedings of the Thrity-Seventh Industrial Energy Technology Conference New... Orleans, LA. June 2-4, 2015 -2- Presentation Overview • The problem – The physics of wet insulation • The solution – The physics of flexible aerogel blanket material • An example – A case study • Summary and conclusions ESL-IE-15-06-35 Proceedings...

  13. Building America Whole-House Solutions for New Homes: Shaw Construction,

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

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  14. Building America Whole-House Solutions for New Homes: Shaw Construction,

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

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  15. Building America Whole-House Solutions for New Homes: The Performance

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

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  16. Building America Whole-House Solutions for New Homes: Tom Walsh & Co.,

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

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  17. Building America Whole-House Solutions for New Homes: Winchester Homes and

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

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  18. Microsoft Word - R10008 Final_Report 10-13-11

    Office of Scientific and Technical Information (OSTI)

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  19. Microsoft Word - Radiation Protection Instrument Manual.doc

    Office of Scientific and Technical Information (OSTI)

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  20. Microsoft Word - TM-2010-253 - 2010 Prius Report - 26 - Tim - edited 2-16-2011

    Office of Scientific and Technical Information (OSTI)

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  1. Microsoft Word - TSI - UW final technical report

    Office of Scientific and Technical Information (OSTI)

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  2. Microsoft Word - Version_1.doc

    Office of Scientific and Technical Information (OSTI)

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  3. Microsoft Word - aac2012_Li_1_WG4-SLAC-PUB-15212.doc

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  4. Microsoft Word - cg0915 Alum Carbothermic Tech DE-FC36-00ID139000.doc

    Office of Scientific and Technical Information (OSTI)

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  5. Microsoft Word - eMST report - for signature.docx

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  6. Microsoft Word - revision.docx

    Office of Scientific and Technical Information (OSTI)

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  7. Microsoft Word - threading.2.21_jmb.doc

    Office of Scientific and Technical Information (OSTI)

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  8. Microsoft Word - treact_manual.doc

    Office of Scientific and Technical Information (OSTI)

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  9. Modeling and Optimization of Direct Chill Casting to Reduce Ingot Cracking

    Office of Scientific and Technical Information (OSTI)

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  10. Module Encapsulation Materials, Processing and Testing (Presentation)

    Office of Scientific and Technical Information (OSTI)

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  11. Monte Carlo Fundamentals E B. BROWN and T M. S N

    Office of Scientific and Technical Information (OSTI)

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  12. NATIONAL LABORATORY

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  13. NCSL1999.PDF

    Office of Scientific and Technical Information (OSTI)

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  14. NEVADA TEST SITE RADIOLOGICAL CONTROL MANUAL

    Office of Scientific and Technical Information (OSTI)

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  15. NOT MEASUREMENT DOE-TSL-1-96

    Office of Scientific and Technical Information (OSTI)

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  16. NREL 2012 Achievement of Ethanol Cost Targets: Biochemical Ethanol Fermentation via Dilute-Acid Pretreatment and Enzymatic Hydrolysis of Corn Stover

    Office of Scientific and Technical Information (OSTI)

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  17. NREL Controllable Grid Interface for Testing MW-scale Wind Turbine Generators (Poster), NREL (National Renewable Energy Laboratory)

    Office of Scientific and Technical Information (OSTI)

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  18. NUREG-0540

    Office of Scientific and Technical Information (OSTI)

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  19. NUREG-0668 MASTER* TITLE LIST PUBLICLY AVAILABLE DOCUMENTS THREE MILE ISLAND UNIT 2

    Office of Scientific and Technical Information (OSTI)

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  20. NUREG/CR-0602 SAI-MLM-2585 Active Nondestructive Assay

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  1. NUREG/CR-0683 PNL-2920

    Office of Scientific and Technical Information (OSTI)

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  2. NUREG/CR-6150 EGG-2720

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  3. NUREG/CR-6547 SAND97-2776 DOSFAC2 User's Guide

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  4. National Library of Energy : Main View : Search Results for Keyword:

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  5. National Library of Energy : User Login

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  6. Nevada Environmental Restoration Project I National Nuclear Security Administration

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  7. Nevada National Security Site-Directed Research

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  8. New N-Type Polymers for Organic Photovoltaics: Cooperative Research and Development Final Report, CRADA Number CRD-06-177

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  9. Noninterceptive method to measure longitudinal Twiss parameters of a beam

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  10. North American Shale Gas | OSTI, US Dept of Energy, Office of Scientific

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  11. Novozymes, Inc. DECREASE Final Technical Report

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  12. Numerical Verification of Bounce Harmonic Resonances in Neoclassical Toroidal Viscosity for Tokamaks

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  13. O A K R I D G E N A T I O N A L L A B O R A T O R Y FIELD BALANCIN

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  14. O S T I

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  15. OCRL-15647

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  16. OI

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  17. ORN L/TM--

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  18. ORNL-5904 DE82 C19734 ORNL-5904 Cootr»* No. W 7405-eng-2o

    Office of Scientific and Technical Information (OSTI)

    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: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742EnergyOnItem Not Found Item Not Found TheHot electron dynamicsAspenNOTRECSIVEP ev7

  19. ORNL/CP-102359 ENERGY DISSIPATION IN THE TARGET STATION OF THE

    Office of Scientific and Technical Information (OSTI)

    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: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742EnergyOnItem Not Found Item Not Found TheHot electron dynamicsAspenNOTRECSIVEP ev7102359 ENERGY

  20. ORNL/CP-97155 Instantaneous Reactive Power and Power Factor of

    Office of Scientific and Technical Information (OSTI)

    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: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742EnergyOnItem Not Found Item Not Found TheHot electron dynamicsAspenNOTRECSIVEP ev7102359