National Library of Energy BETA

Sample records for long-term energy models

  1. Development and Update of Models for Long-Term Energy and GHG...

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

    Update of Models for Long-Term Energy and GHG Impact Evaluation Development and Update of Models for Long-Term Energy and GHG Impact Evaluation 2013 DOE Hydrogen and Fuel Cells...

  2. Distributed Energy: Modeling Penetration in Industrial Sector Over the Long-Term 

    E-Print Network [OSTI]

    Greening, L.

    2006-01-01

    : Modeling Penetration in Industrial Sector over the Long-Term Lorna Greening, Private Consultant, Los Alamos, NM Distributed energy (DE) sources provide a number of benefits when utilized. For industrial facilities in the past, turbines have provided...

  3. A long-term investment planning model for mixed energy infrastructure integrated with renewable

    E-Print Network [OSTI]

    A long-term investment planning model for mixed energy infrastructure integrated with renewable- mental friendly. Compared with fossil energy, it is expensive to transport renewable energy for a long distance. Another problem of renewable energy is fluctuation and it is not so stable as fossil energy

  4. Long-Term Energy Scenario Models: A Review of the Literature and Recommendations

    SciTech Connect (OSTI)

    2009-01-18

    What primary energy resources will replace conventional oil and gas? A key finding of this study is that energy demands can be satisfied by a wide range of energy resources.

  5. Renewables Intermittency: Operational Limits and Implications for Long-Term Energy System Models

    E-Print Network [OSTI]

    Delarue, E.

    In several regions of the world, the share of intermittent renewables (such as wind and solar PV) in electricity generation is rapidly increasing. The current share of these renewable energy sources (RES) can still more ...

  6. Long-Term Modeling of Solar Energy: Analysis of Concentrating Solar Power (CSP) and PV Technologies

    SciTech Connect (OSTI)

    Zhang, Yabei; Smith, Steven J.

    2007-08-16

    This report presents an overview of research conducted on solar energy technologies and their implementation in the ObjECTS framework. The topics covered include financing assumptions and selected issues related to the integration of concentrating thermal solar power (CSP) and photovoltaics PV technologies into the electric grid. A review of methodologies for calculating the levelized energy cost of capital-intensive technologies is presented, along with sensitivity tests illustrating how the cost of a solar plant would vary depending on financing assumptions. An analysis of the integration of a hybrid concentrating thermal solar power (CSP) system into the electric system is conducted. Finally a failure statistics analysis for PV plants illustrates the central role of solar irradiance uncertainty in determining PV grid integration characteristics.

  7. Detailed Modeling of Industrial Energy Use and Greenhouse Gas Emissions in an Integrated Assessment Model of Long-term Global Change 

    E-Print Network [OSTI]

    Sinha, P.; Wise, M.; Smith, S.

    2006-01-01

    Conference 2006 Session 11 – Industrial Energy Modeling: What is the State of the Art? Detailed Modeling of Industrial Energy Use and Greenhouse Gas Emissions in an Integrated Assessment Model of Long-term Global Change ParamitaSinha 1 MarshallWise 2* ,and...StevenSmith 2 1 UniversityofMaryland,CollegePark. 2 PacificNorthwestNationalLaboratory,JointGlobalChangeResearch Institute,CollegePark,MD. 1. Introduction Thispaperpresentsanewapproachtounderstandingthepotentiallong-termevolutionofenergy demandsinthe...

  8. Long Term Operation of Renewable Energy Building 

    E-Print Network [OSTI]

    Nelson, V.; Starcher, K.; Davis, D.

    1996-01-01

    As part of a renewable energy project, a building was designed and constructed to demonstrate several renewable energy technologies at the Wind Test Center of the Alternative Energy Institute (AEI). The systems are passive and active heating, solar...

  9. Algal Biofuels: Long-Term Energy Benefits Drive U.S. Research...

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

    Algal Biofuels: Long-Term Energy Benefits Drive U.S. Research Algal Biofuels: Long-Term Energy Benefits Drive U.S. Research Algal Biofuels: Long-Term Energy Benefits Drive U.S....

  10. Long-Term Stewardship Study | Department of Energy

    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: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustmentsShirleyEnergy A plug-inPPLforLDRDEnergyTurbineProcesses toDepartment ofprepared this Long-term

  11. Long-term Contract Information and Registrations | Department of Energy

    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: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustmentsShirleyEnergy A plug-inPPLforLDRDEnergyTurbineProcesses toDepartment ofprepared thisLong-Term

  12. Modelling by homogenization of the long term rock dissolution and geomechanical effects

    E-Print Network [OSTI]

    Boyer, Edmond

    1 Modelling by homogenization of the long term rock dissolution and geomechanical effects Jolanta modifications of the hydrodynamical as well as geomechanical properties of the reservoir. The long-term safety the modelling of long term geomechanical effects related to CO2 storage are proposed. Of special interest

  13. LONG-TERM GOAL The long-term goal of this research project is to determine if energy reflectance measurements can

    E-Print Network [OSTI]

    Voss, Susan E.

    LONG-TERM GOAL The long-term goal of this research project is to determine if energy reflectance of newborn hearing screening and when middle-ear fluid is suspected. Energy reflectance measures provide presented here is to characterize the energy reflectance of normal- hearing, healthy newborn babies. Keefe

  14. ENERGY ISSUES WORKING GROUP ON LONG-TERM VISIONS FOR FUSION POWER

    E-Print Network [OSTI]

    Najmabadi, Farrokh

    ENERGY ISSUES WORKING GROUP ON LONG-TERM VISIONS FOR FUSION POWER Don Steiner, Jeffrey Freidberg Farrokh Najmabadi William Nevins , and John Perkins The Energy Issues Working Group on Long-Term Visions energy production in the next century? 2. What is fusion's potential for penetrating the energy market

  15. Modelling the long-term response of stream water chemistry to

    E-Print Network [OSTI]

    Modelling the long-term response of stream water chemistry to atmospheric pollution and forestry-term response of stream water chemistry to atmospheric pollution and forestry practices in Galloway, SW Scotland.forestry.gov.uk/fr/acidification #12;4 #12;Modelling the long-term response of stream water chemistry to atmospheric pollution

  16. Using Control Theory to Model the Long-term Economic Effects of Wildfire1

    E-Print Network [OSTI]

    Using Control Theory to Model the Long-term Economic Effects of Wildfire1 Hayley Hesseln,2 Douglas of control theory. It explores the long-term relationships among the factors of production and the choice@CNR.Colostate.edu. USDA Forest Service Gen. Tech. Rep. PSW-GTR-173. 1999. 107 #12;Session III Using Control Theory

  17. Long-term effects of anthropogenic CO2 emissions simulated with a complex earth system model

    E-Print Network [OSTI]

    Winguth, Arne

    Long-term effects of anthropogenic CO2 emissions simulated with a complex earth system model Uwe earth system model con- sisting of an atmospheric general circulation model, an ocean general

  18. RIVERWARE'S INTEGRATED MODELING AND ANALYSIS TOOLS FOR LONG-TERM PLANNING UNDER UNCERTAINTY

    E-Print Network [OSTI]

    RIVERWARE'S INTEGRATED MODELING AND ANALYSIS TOOLS FOR LONG- TERM PLANNING UNDER UNCERTAINTY and reservoir operations under hydrologic uncertainty benefits from modeling capabilities that include 1-objective river and reservoir modeling tool that can represent various planning alternatives and easily run

  19. Modeling long-term CO2 storage, sequestration and cycling

    SciTech Connect (OSTI)

    Bacon, Diana H.

    2013-11-11

    The application of numerical and analytical models to the problem of storage, sequestration and migration of carbon dioxide in geologic formations is discussed. A review of numerical and analytical models that have been applied to CO2 sequestration are presented, as well as a description of frameworks for risk analysis. Application of models to various issues related to carbon sequestration are discussed, including trapping mechanisms, density convection mixing, impurities in the CO2 stream, changes in formation porosity and permeability, the risk of vertical leakage, and the impacts on groundwater resources if leakage does occur. A discussion of the development and application of site-specific models first addresses the estimation of model parameters and the use of natural analogues to inform the development of CO2 sequestration models, and then surveys modeling that has been done at two commercial-scale CO2 sequestration sites, Sleipner and In Salah, along with a pilot-scale injection sites used to study CO2 sequestration in saline aquifers (Frio) and an experimental site designed to test monitoring of CO2 leakage in the vadose zone (ZERT Release Facility).

  20. Long-term energy consumptions of urban transportation: A prospective...

    Open Energy Info (EERE)

    can significantly curb the trajectories of energy consumption and the ensuing carbon dioxide emissions, if and only if they are implemented in the framework of appropriate urban...

  1. Tribal Renewable Energy Webinar: Project Development for Long Term Tribal

    Energy Savers [EERE]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on DeliciousMathematics AndBeryllium Disease |RecordsDepartment ofEnergy The TopDevelopment | Department ofofEnergy |

  2. South Africa Long Term Mitigation Scenarios | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page| Open Energy Information Serbia-Enhancing Capacity forSiliciumEnergy Inc JumpPennsylvania:Sound Beach, New|fromLong

  3. Long-term energy consumptions of urban transportation: A prospective

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QAsource History View NewTexas:Montezuma, Arizona:Oregon: EnergyLloyd, NewBranch Capitalsimulation of

  4. Long-Term Stewardship Related Information | Department of Energy

    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: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustmentsShirleyEnergy A plug-inPPLforLDRDEnergyTurbineProcesses toDepartment of

  5. A long-term, integrated impact assessment of alternative building energy code scenarios in China

    SciTech Connect (OSTI)

    Yu, Sha; Eom, Jiyong; Evans, Meredydd; Clarke, Leon E.

    2014-04-01

    China is the second largest building energy user in the world, ranking first and third in residential and commercial energy consumption. Beginning in the early 1980s, the Chinese government has developed a variety of building energy codes to improve building energy efficiency and reduce total energy demand. This paper studies the impact of building energy codes on energy use and CO2 emissions by using a detailed building energy model that represents four distinct climate zones each with three building types, nested in a long-term integrated assessment framework GCAM. An advanced building stock module, coupled with the building energy model, is developed to reflect the characteristics of future building stock and its interaction with the development of building energy codes in China. This paper also evaluates the impacts of building codes on building energy demand in the presence of economy-wide carbon policy. We find that building energy codes would reduce Chinese building energy use by 13% - 22% depending on building code scenarios, with a similar effect preserved even under the carbon policy. The impact of building energy codes shows regional and sectoral variation due to regionally differentiated responses of heating and cooling services to shell efficiency improvement.

  6. China's Building Energy Use: A Long-Term Perspective based on a Detailed Assessment

    SciTech Connect (OSTI)

    Eom, Jiyong; Clarke, Leon E.; Kim, Son H.; Kyle, G. Page; Patel, Pralit L.

    2012-01-13

    We present here a detailed, service-based model of China's building energy use, nested in the GCAM (Global Change Assessment Model) integrated assessment framework. Using the model, we explore long-term pathways of China's building energy use and identify opportunities of reducing greenhouse gas emissions. The inclusion of a structural model of building energy demands within an integrated assessment framework represents a major methodological advance. It allows for a structural understanding of the drivers of building energy consumption while simultaneously considering the other human and natural system interactions that influence changes in the global energy system and climate. We also explore a range of different scenarios to gain insights into how China's building sector might evolve and what the implications might be for improved building energy technology and carbon policies. The analysis suggests that China's building energy growth will not wane anytime soon, although technology improvement will put downward pressure on this growth. Also, regardless of the scenarios represented, the growth will involve the continued, rapid electrification of the buildings sector throughout the century, and this transition will be accelerated by the implementation of carbon policy.

  7. China's Building Energy Demand: Long-Term Implications from a Detailed Assessment

    SciTech Connect (OSTI)

    Eom, Jiyong; Clarke, Leon E.; Kim, Son H.; Kyle, G. Page; Patel, Pralit L.

    2012-10-01

    We present here a detailed, service-based model of China’s building energy use, nested in the GCAM (Global Change Assessment Model) integrated assessment framework. Using the model, we explore long-term pathways of China’s building energy use and identify opportunities of reducing greenhouse gas emissions. The inclusion of a structural model of building energy demands within an integrated assessment framework represents a major methodological advance. It allows for a structural understanding of the drivers of building energy consumption while simultaneously considering the other human and natural system interactions that influence changes in the global energy system and climate. We also explore a range of different scenarios to gain insights into how China’s building sector might evolve and what the implications might be for improved building energy technology and carbon policies. The analysis suggests that China’s building energy growth will not wane anytime soon, although technology improvement will put downward pressure on this growth. Also, regardless of the scenarios represented, the growth will involve the continued, rapid electrification of the buildings sector throughout the century, and this transition will be accelerated by the implementation of carbon policy.

  8. Development of long-term performance models for radioactive waste forms

    SciTech Connect (OSTI)

    Bacon, Diana H.; Pierce, Eric M.

    2011-03-22

    The long-term performance of solid radioactive waste is measured by the release rate of radionuclides into the environment, which depends on corrosion or weathering rates of the solid waste form. The reactions involved depend on the characteristics of the solid matrix containing the radioactive waste, the radionuclides of interest, and their interaction with surrounding geologic materials. This chapter describes thermo-hydro-mechanical and reactive transport models related to the long-term performance of solid radioactive waste forms, including metal, ceramic, glass, steam reformer and cement. Future trends involving Monte-Carlo simulations and coupled/multi-scale process modeling are also discussed.

  9. A Solar Energy System for Long-Term Deployment of AUVs David A. Patch

    E-Print Network [OSTI]

    A Solar Energy System for Long-Term Deployment of AUVs David A. Patch Technology Systems Inc. P #12;History of the Solar AUV (SAUV) Program: Autonomous Underwater Vehicle (AUV) development began to an AUVs ability to perform missions of importance to a user is its onboard energy system. If a mission

  10. U.S. Energy Infrastructure Investment: Long-Term Strategic Planning

    E-Print Network [OSTI]

    and seven percent demand growth rates. Demand growth was relatively predictable so forecasting could almostU.S. Energy Infrastructure Investment: Long-Term Strategic Planning to Inform Policy Development/University Cooperative Research Center since 1996 PSERC #12;Intentionally Blank Page #12;U.S. Energy Infrastructure

  11. INTERCOMPARISON OF LONG TERM SINGLE-COLUMN MODEL SIMULATIONS OF CLOUDS AT THE ARM SGP SITE

    E-Print Network [OSTI]

    INTERCOMPARISON OF LONG TERM SINGLE-COLUMN MODEL SIMULATIONS OF CLOUDS AT THE ARM SGP SITE Hua Song simulated clouds with observations at the ARM SGP site. The six SCMs from GFDL AM2 and AM3, KNMI distributions between SCMs and ARM observation under both ascending and descending regimes. The cloud

  12. EXTENSIONS TO AN EFFICIENT OPTIMIZATION MODEL FOR LONG-TERM PRODUCTION PLANNING 1 Introduction

    E-Print Network [OSTI]

    to the footwall. Once started, mining restrictions require continuous production of the blocks within a machine three raw ore products used to supply four ore post- processing plants, or mills. Phosphorus is the mainEXTENSIONS TO AN EFFICIENT OPTIMIZATION MODEL FOR LONG-TERM PRODUCTION PLANNING 1 Introduction LKAB

  13. Edinburgh Research Explorer Comparison of models for estimation of long-term exposure to

    E-Print Network [OSTI]

    Millar, Andrew J.

    -term exposure to air pollution in cohort studies' Atmospheric Environment, vol 62, pp. 530-539., 10.1016/j to Air Pollution in Cohort Studies Beverland, I.J.* Department of Civil Engineering, University.L. and Agius, R.M. (2012) Comparison of models for estimation of long-term exposure to air pollution in cohort

  14. Finite element modeling of long-term fluid-structure interaction problems in geological media

    SciTech Connect (OSTI)

    Anderson, C.A.

    1980-01-01

    A model is developed to predict long-term thermal creep and creep rupture in geological structures under multiaxial stress states and under elevated temperature conditions. An example of the method is given showing the behavior of the crust and mantle while undergoing intrusion by a low density diaper. (ACR)

  15. Long-Term US Industrial Energy Use and CO2 Emissions

    SciTech Connect (OSTI)

    Wise, Marshall A.; Sinha, Paramita; Smith, Steven J.; Lurz, Joshua P.

    2007-12-03

    We present a description and scenario results from our recently-developed long-term model of United States industrial sector energy consumption, which we have incorporated as a module within the ObjECTS-MiniCAM integrated assessment model. This new industrial model focuses on energy technology and fuel choices over a 100 year period and allows examination of the industrial sector response to climate policies within a global modeling framework. A key challenge was to define a level of aggregation that would be able to represent the dynamics of industrial energy demand responses to prices and policies, but at a level that remains tractable over a long time frame. In our initial results, we find that electrification is an important response to a climate policy, although there are services where there are practical and economic limits to electrification, and the ability to switch to a low-carbon fuel becomes key. Cogeneration of heat and power using biomass may also play a role in reducing carbon emissions under a policy constraint.

  16. Addressing Global Warming, Air Pollution Health Damage, and Long-Term Energy Needs Simultaneously

    E-Print Network [OSTI]

    Patzek, Tadeusz W.

    Addressing Global Warming, Air Pollution Health Damage, and Long-Term Energy Needs Simultaneously information suggest that ethanol is neither clean nor has it been shown that it can slow global warming in the U.S. It will also divert resources from the primary practical solutions to global warming and air

  17. Using Social Media for Long-Term Branding | Department of Energy

    Energy Savers [EERE]

    Media for Long-Term Branding Using Social Media for Long-Term Branding Better Buildings Residential Network Marketing and Outreach Peer Exchange Call Series: Using Social Media...

  18. Molecular Constraints on Synaptic Tagging and Maintenance of Long-Term Potentiation: A Predictive Model

    E-Print Network [OSTI]

    Paul Smolen; Douglas A. Baxter; John H. Byrne

    2012-08-03

    Protein synthesis-dependent, late long-term potentiation (LTP) and depression (LTD) at glutamatergic hippocampal synapses are well characterized examples of long-term synaptic plasticity. Persistent increased activity of the enzyme protein kinase M (PKM) is thought essential for maintaining LTP. Additional spatial and temporal features that govern LTP and LTD induction are embodied in the synaptic tagging and capture (STC) and cross capture hypotheses. Only synapses that have been "tagged" by an stimulus sufficient for LTP and learning can "capture" PKM. A model was developed to simulate the dynamics of key molecules required for LTP and LTD. The model concisely represents relationships between tagging, capture, LTD, and LTP maintenance. The model successfully simulated LTP maintained by persistent synaptic PKM, STC, LTD, and cross capture, and makes testable predictions concerning the dynamics of PKM. The maintenance of LTP, and consequently of at least some forms of long-term memory, is predicted to require continual positive feedback in which PKM enhances its own synthesis only at potentiated synapses. This feedback underlies bistability in the activity of PKM. Second, cross capture requires the induction of LTD to induce dendritic PKM synthesis, although this may require tagging of a nearby synapse for LTP. The model also simulates the effects of PKM inhibition, and makes additional predictions for the dynamics of CaM kinases. Experiments testing the above predictions would significantly advance the understanding of memory maintenance.

  19. Improvement of capabilities of the Distributed Electrochemistry Modeling Tool for investigating SOFC long term performance

    SciTech Connect (OSTI)

    Gonzalez Galdamez, Rinaldo A.; Recknagle, Kurtis P.

    2012-04-30

    This report provides an overview of the work performed for Solid Oxide Fuel Cell (SOFC) modeling during the 2012 Winter/Spring Science Undergraduate Laboratory Internship at Pacific Northwest National Laboratory (PNNL). A brief introduction on the concept, operation basics and applications of fuel cells is given for the general audience. Further details are given regarding the modifications and improvements of the Distributed Electrochemistry (DEC) Modeling tool developed by PNNL engineers to model SOFC long term performance. Within this analysis, a literature review on anode degradation mechanisms is explained and future plans of implementing these into the DEC modeling tool are also proposed.

  20. Japan's Long-term Energy Demand and Supply Scenario to 2050 - Estimation for the Potential of Massive CO2 Mitigation

    E-Print Network [OSTI]

    Komiyama, Ryoichi

    2010-01-01

    Komiyama, "Japan's Energy Outlook for 2050 with Stochastic2008 (10) EIA/DOE, "Annual Energy Outlook 2008," 2008 (11)its long-term energy supply/demand outlook (Reference No.

  1. Evaluation of the long-term energy analysis program used for the 1978 EIA Administrator's Report to Congress

    SciTech Connect (OSTI)

    Peelle, R. W.; Weisbin, C. R.; Alsmiller, Jr., R. G.

    1981-10-01

    An evaluation of the Long-Term Energy Analysis Program (LEAP), a computer model of the energy portion of the US economy that was used for the 1995-2020 projections in its 1978 Annual Report to Congress, is presented. An overview of the 1978 version, LEAP Model 22C, is followed by an analysis of the important results needed by its users. The model is then evaluated on the basis of: (1) the adequacy of its documentation; (2) the local experience in operating the model; (3) the adequacy of the numerical techniques used; (4) the soundness of the economic and technical foundations of the model equations; and (5) the degree to which the computer program has been verified. To show which parameters strongly influence the results and to approach the question of whether the model can project important results with sufficient accuracy to support qualitative conclusions, the numerical sensitivities of some important results to model input parameters are described. The input data are categorized and discussed, and uncertainties are given for some parameters as examples. From this background and from the relation of LEAP to other available approaches for long-term energy modeling, an overall evaluation is given of the model's suitability for use by the EIA.

  2. Long-term Energy Supply Contracts in European Competition Policy: Fuzzy not Crazy

    E-Print Network [OSTI]

    Glachant, Jean-Michel

    2008-01-01

    Long-term supply contracts often have ambiguous effects on the competitive structure, investment and consumer welfare in the long term. In a context of market building, these effects are likely to be worsened and thus even ...

  3. Tritium: a model for low level long-term ionizing radiation exposure

    SciTech Connect (OSTI)

    Carsten, A.L.

    1984-01-01

    The somatic, cytogenetic and genetic effects of single and chronic tritiated water (HTO) ingestion in mice was investigated. This study serves not only as an evaluation of tritium toxicity (TRITOX) but due to its design involving long-term low concentration ingestion of HTO may serve as a model for low level long-term ionizing radiation exposure in general. Long-term studies involved animals maintained on HTO at concentrations of 0.3 ..mu..Ci/ml, 1.0 ..mu..Ci/ml, 3.0 ..mu..Ci/ml or depth dose equivalent chronic external exposures to /sup 137/Cs gamma rays. Maintenance on 3.0 ..mu..Ci/ml resulted in no effect on growth, life-time shortening or bone marrow cellularity, but did result in a reduction of bone marrow stem cells, an increase in DLM's in second generation animals maintained on this regimen and cytogenetic effects as indicated by increased sister chromatid exchanges (SCE's) in bone marrow cells, increased chromosome aberrations in the regenerating liver and an increase in micronuclei in red blood cells. Biochemical and microdosimetry studies showed that animals placed on the HTO regimen reached tritium equilibrium in the body water in approximately 17 to 21 days with a more gradual increase in bound tritium. When animals maintained for 180 days on 3.0 ..mu..Ci/ml HTO were placed on a tap water regimen, the tritium level in tissue dropped from the equilibrium value of 2.02 ..mu..Ci/ml before withdrawal to 0.001 ..mu..Ci/ml at 28 days. 18 references.

  4. Biological effects of long-term exposure to low dose-rate radiation -- Comparisons of WAM model and LQ model

    E-Print Network [OSTI]

    Wada, Takahiro; Nakamura, Issei; Tsunoyama, Yuichi; Nakajima, Hiroo; Bando, Masako

    2015-01-01

    Newly proposed Whack-A-Mole (WAM) model which is to be used to estimate the biological effects of artificial radiations is compared with conventionally used Linear-Quadratic model. Basic properties of WAM model are discussed emphasizing on the dose-rate dependence. By adopting the parameters that are determined to fit the mega mouse experiments, biological effects of long-term exposure to extremely low dose-rate radiation are discussed. In WAM model, the effects of the long-term exposure show a saturation property, which makes a clear distinction from the LNT hypothesis which predicts a linear increase of the effects with time.

  5. Planning India's long-term energy shipment infrastructures for electricity and coal

    SciTech Connect (OSTI)

    Brian H. Bowen; Devendra Canchi; Vishal Agarwal Lalit; Paul V. Precke; F.T. Sparrow; Marty W. Irwin

    2010-01-15

    The Purdue Long-Term Electricity Trading and Capacity Expansion Planning Model simultaneously optimizes both the expansion of transmission and generation capacity. Most commercial electricity system planning software is limited to only transmission planning. An application of the model to India's national power grid, for 2008-2028, indicates substantial transmission expansion is the cost-effective means of meeting the needs of the nation's growing economy. An electricity demand growth rate of 4% over the 20-year planning horizon requires more than a 50% increase in the Government's forecasted transmission capacity expansion, and 8% demand growth requires more than a six-fold increase in the planned transmission capacity expansion. The model minimizes the long-term expansion costs (operational and capital) for the nation's five existing regional power grids and suggests the need for large increases in load-carrying capability between them. Changes in coal policy affect both the location of new thermal power plants and the optimal pattern inter-regional transmission expansions. 15 refs., 10 figs., 7 tabs.

  6. Modeling long-term fire regimes of southern California shrublands1 (Suggested running head: "Modeling fire regimes with HFire")3

    E-Print Network [OSTI]

    Carlson, Jean

    1 Modeling long-term fire regimes of southern California shrublands1 2 (Suggested running head: "Modeling fire regimes with HFire")3 4 Seth H. Petersona , Max A. Moritzb , Marco E. Moraisc , Philip E for Fire Research & Outreach, Department of Environmental Science, Policy, & Management,10 UC Berkeley, CA

  7. Long Term Simulations Of Astrophysical Jets; Energy Structure and Quasi-Periodic Ejection

    E-Print Network [OSTI]

    Ahmed Ibrahim; Kazunari Shibata

    2007-04-23

    We have performed self-consistent 2.5-dimensional nonsteady MHD numerical simulations of jet formation as long as possible, including the dynamics of accretion disks. Although the previous nonsteady MHD simulations for astrophysical jets revealed that the characteristics of nonsteady jets are similar to those of steady jets, the calculation time of these simulations is very short compared with the time scale of observed jets. Thus we have investigated long term evolutions of mass accretion rate, mass outflow rate, jet velocity, and various energy flux. We found that the ejection of jet is quasi-periodic. The period of the ejection is related to the time needed for the initial magnetic filed to be twisted to generate toroidal filed. We compare our results with both the steady state theory and previous 2.5-dimensional nonsteady MHD simulations.

  8. Long-Term Planning for Nuclear Energy Systems Under Deep Uncertainty

    E-Print Network [OSTI]

    Kim, Lance Kyungwoo

    2011-01-01

    5.3.2 Nuclear Energy System Model . . . . . . . . . . .Brief History of Nuclear Energy . . . . . . . . Nuclear FuelModeling . . . . . . . . . . . . . 5.3 Nuclear Energy System

  9. eShare: A Capacitor-Driven Energy Storage and Sharing Network for Long-Term Operation

    E-Print Network [OSTI]

    Minnesota, University of

    eShare: A Capacitor-Driven Energy Storage and Sharing Network for Long-Term Operation Ting Zhu, Yu it feasible to build distributed energy storage systems that can robustly ex- tend the lifetime of networked by providing designs for energy routers (i.e., energy storage and routing devices) and related energy access

  10. Incorporating endogenous demand dynamics into long-term capacity expansion power system models for Developing countries

    E-Print Network [OSTI]

    Jordan, Rhonda LeNai

    2013-01-01

    This research develops a novel approach to long-term power system capacity expansion planning for developing countries by incorporating endogenous demand dynamics resulting from social processes of technology adoption. ...

  11. Development and Update of Long-Term Energy and GHG Emission Macroecono...

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

    Approach: Create a Long Term Base Case Major Inputs 9 Light Vehicles (Car and Light Truck) Heavy Vehicles (GVW Class 3-8) Medium: Class 3-6 Truck Heavy:...

  12. Development and characterization of a new MgSO4-zeolite composite for long-term thermal energy storage

    E-Print Network [OSTI]

    the material. For that specific purpose, a new thermal energy storage composite material has been developed. Keywords: thermal energy storage; thermochemical process; long-term storage; zeolites; magnesium sulphate; seasonal storage; building application 1. Introduction Thermal energy storage systems could make

  13. eShare: A Capacitor-Driven Energy Storage and Sharing Network for Long-Term Operation

    E-Print Network [OSTI]

    Zhang, Zhi-Li

    Terms Measurement, Design, Performance, Experimentation Keywords Energy, Capacitor, Networks, GreeneShare: A Capacitor-Driven Energy Storage and Sharing Network for Long-Term Operation Ting Zhu, Yu, Twin Cities {tzhu, yugu, tianhe, zhzhang}@cs.umn.edu Abstract The ability to move energy around makes

  14. Long-Term Planning for Nuclear Energy Systems Under Deep Uncertainty

    E-Print Network [OSTI]

    Kim, Lance Kyungwoo

    2011-01-01

    5.3.2 Nuclear Energy System Model . . . . . . . . . . .scenarios of global nuclear energy demand . . . . . . . .Brief History of Nuclear Energy . . . . . . . . Nuclear Fuel

  15. THEORETICAL STUDIES IN LONG-TERM THERMAL ENERGY STORAGE IN AQUIFERS

    E-Print Network [OSTI]

    Tsang, C.F.

    2013-01-01

    Mathematical Modeling of Thermal Energy Storage in Aquifers.of Aquifer Thermal Energy Storage Workshop, Lawrencethe Seasonal Thermal Energy Storage program managed by

  16. THEORETICAL STUDIES IN LONG-TERM THERMAL ENERGY STORAGE IN AQUIFERS

    E-Print Network [OSTI]

    Tsang, C.F.

    2013-01-01

    Mathematical Modeling of Thermal Energy Storage in Aquifers.of Aquifer Thermal Energy Storage Workshop, LawrenceF.P. "Thermal Energy Storage in a Confined Aquifer- Second

  17. Current Understanding and Remaining Challenges in Modeling Long-Term Degradation of Borosilicate Nuclear Waste Glasses

    SciTech Connect (OSTI)

    Vienna, John D. [Pacific Northwest National Laboratory (PNNL), Richland, WA (United States); Ryan, Joseph V. [Pacific Northwest National Laboratory (PNNL), Richland, WA (United States); Gin, Stephane [CEA Marcoule, DTCD SECM, Bagnols-sur-Ceze (France); Inagaki, Yaohiro [Dept. of Applied Quantum Physics and Nuclear Engineering, Kyushu University, Fukuoda (Japan)

    2013-12-01

    Chemical durability is not a single material property that can be uniquely measured. Instead it is the response to a host of coupled material and environmental processes whose rates are estimated by a combination of theory, experiment, and modeling. High-level nuclear waste (HLW) glass is perhaps the most studied of any material yet there remain significant technical gaps regarding their chemical durability. The phenomena affecting the long-term performance of HLW glasses in their disposal environment include surface reactions, transport properties to and from the reacting glass surface, and ion exchange between the solid glass and the surrounding solution and alteration products. The rates of these processes are strongly influenced and are coupled through the solution chemistry, which is in turn influenced by the reacting glass and also by reaction with the near-field materials and precipitation of alteration products. Therefore, those processes must be understood sufficiently well to estimate or bound the performance of HLW glass in its disposal environment over geologic time-scales. This article summarizes the current state of understanding of surface reactions, transport properties, and ion exchange along with the near-field materials and alteration products influences on solution chemistry and glass reaction rates. Also summarized are the remaining technical gaps along with recommended approaches to fill those technical gaps.

  18. Long-Term Surveillance and Maintenance Plan for the U.S. Department of Energy Amchitka, Alaska, Site

    SciTech Connect (OSTI)

    2008-09-01

    This Long-Term Surveillance and Maintenance Plan describes how the U.S. Department of Energy (DOE) intends to fulfill its mission to maintain protection of human health and the environment at the Amchitka, Alaska, Site1. Three underground nuclear tests were conducted on Amchitka Island. The U.S. Department of Defense, in conjunction with the U.S. Atomic Energy Commission (AEC), conducted the first nuclear test (Long Shot) to provide data that would improve the United States' capability of detecting underground nuclear explosions. The second nuclear test (Milrow) was a weapons-related test conducted by AEC as a means to study the feasibility of detonating a much larger device. The final nuclear test (Cannikin), the largest United States underground test, was a weapons-related test. Surface disturbances associated with these tests have been remediated. However, radioactivity remains deep below the surface, contained in and around the test cavities, for which no feasible remediation technology has been identified. In 2006, the groundwater model (Hassan et al. 2002) was updated using 2005 data collected by the Consortium for Risk Evaluation with Stakeholder Participation. Model simulation results indicate there is no breakthrough or seepage of radionuclides into the marine environment within 2,000 years. The Amchitka conceptual model is reasonable; the flow and transport simulation is based on the best available information and data. The simulation results are a quantitative prediction supported by the best available science and technology. This Long-Term Surveillance and Maintenance Plan is an additional step intended for the protection of human health and the environment. This plan may be modified from time to time in the future consistent with the mission to protect human health

  19. A retrospective investigation of energy efficiency standards: Policies may have accelerated long term declines in appliance costs

    SciTech Connect (OSTI)

    Van Buskirk, R. D.; Kantner, C. L. S.; Gerke, B. F.; Chu, S.

    2014-11-14

    We perform a retrospective investigation of multi-decade trends in price and life-cycle cost (LCC) for home appliances in periods with and without energy efficiency (EE) standards and labeling polices. In contrast to the classical picture of the impact of efficiency standards, the introduction and updating of appliance standards is not associated with a long-term increase in purchase price; rather, quality-adjusted prices undergo a continued or accelerated long-term decline. In addition, long term trends in appliance LCCs—which include operating costs—consistently show an accelerated long term decline with EE policies. We also show that the incremental price of efficiency improvements has declined faster than the baseline product price for selected products. These observations are inconsistent with a view of EE standards that supposes a perfectly competitive market with static supply costs. These results suggest that EE policies may be associated with other forces at play, such as innovation and learning-by-doing in appliance production and design, that can affect long term trends in quality-adjusted prices and LCCs.

  20. A retrospective investigation of energy efficiency standards: Policies may have accelerated long term declines in appliance costs

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

    Van Buskirk, R. D.; Kantner, C. L. S.; Gerke, B. F.; Chu, S.

    2014-11-14

    We perform a retrospective investigation of multi-decade trends in price and life-cycle cost (LCC) for home appliances in periods with and without energy efficiency (EE) standards and labeling polices. In contrast to the classical picture of the impact of efficiency standards, the introduction and updating of appliance standards is not associated with a long-term increase in purchase price; rather, quality-adjusted prices undergo a continued or accelerated long-term decline. In addition, long term trends in appliance LCCs—which include operating costs—consistently show an accelerated long term decline with EE policies. We also show that the incremental price of efficiency improvements has declinedmore »faster than the baseline product price for selected products. These observations are inconsistent with a view of EE standards that supposes a perfectly competitive market with static supply costs. These results suggest that EE policies may be associated with other forces at play, such as innovation and learning-by-doing in appliance production and design, that can affect long term trends in quality-adjusted prices and LCCs.« less

  1. Long-Term Planning for Nuclear Energy Systems Under Deep Uncertainty

    E-Print Network [OSTI]

    Kim, Lance Kyungwoo

    2011-01-01

    NUCLEAR ENERGY SYSTEM MODEL of the interim storage bin, the inventory of an isotope depends on the contribution

  2. THEORETICAL STUDIES IN LONG-TERM THERMAL ENERGY STORAGE IN AQUIFERS

    E-Print Network [OSTI]

    Tsang, C.F.

    2013-01-01

    Mathematical Modeling of Thermal Energy Storage in Aquifers.Proceedings of Aquifer Thermal Energy Storage Workshop,A.D. 1 Andersen, F.P. "Thermal Energy Storage in a Confined

  3. Long-Term Climate Commitments Projected with ClimateCarbon Cycle Models G.-K. PLATTNER,a,n

    E-Print Network [OSTI]

    Stocker, Thomas

    Long-Term Climate Commitments Projected with Climate­Carbon Cycle Models G.-K. PLATTNER,a,n R IAC, ETH Zürich, Zürich, Switzerland c Potsdam Institute for Climate Impact Research, Potsdam, Germany of Earth and Ocean Sciences, University of Victoria, Victoria, British Columbia, Canada h The Open

  4. Enhancing the resolution of sea ice in long-term global ocean general circulation model (gcm) integrations 

    E-Print Network [OSTI]

    Kim, Joong Tae

    2007-09-17

    Open water in sea ice, such as leads and polynyas, plays a crucial role in determining the formation of deep- and bottom-water, as well as their long-term global properties and circulation. Ocean general circulation models (GCMs) designed...

  5. A Cross-model Comparison of Global Long-term Technology Diffusion under a 2?C Climate Change Control Target

    SciTech Connect (OSTI)

    van der Zwaan, Bob; Rosler, Hilke; Kober, Tom; Aboumahboub, Tino; Calvin, Katherine V.; Gernaat, David; Marangoni, Giacomo; McCollum, David

    2013-11-01

    We investigate the long-term global energy technology diffusion patterns required to reach a stringent climate change target with a maximum average atmospheric temperature increase of 2°C. If the anthropogenic temperature increase is to be limited to 2°C, total CO2 emissions have to be reduced massively, so as to reach substantial negative values during the second half of the century. Particularly power sector CO2 emissions should become negative from around 2050 onwards according to most models used for this analysis in order to compensate for GHG emissions in other sectors where abatement is more costly. The annual additional capacity deployment intensity (expressed in GW/yr) for solar and wind energy until 2030 needs to be around that recently observed for coal-based power plants, and will have to be several times higher in the period 2030–2050. Relatively high agreement exists across models in terms of the aggregated low-carbon energy system cost requirements on the supply side until 2050, which amount to about 50 trillion US$.

  6. Long-Term Planning for Nuclear Energy Systems Under Deep Uncertainty

    E-Print Network [OSTI]

    Kim, Lance Kyungwoo

    2011-01-01

    efficiency given the expected high demand for nuclear energyefficiency. In Chapter 2, an overview of nuclear energyNUCLEAR ENERGY SYSTEM MODEL Table 5.2: Baseline Reactor Parameters Parameter UOX CFR BFR Reactor Power (GW th ) Capacity Factor Thermal Efficiency

  7. Long-term affected energy production of waste to energy technologies identified by use of energy system analysis

    SciTech Connect (OSTI)

    Muenster, M.; Meibom, P.

    2010-12-15

    Affected energy production is often decisive for the outcome of consequential life-cycle assessments when comparing the potential environmental impact of products or services. Affected energy production is however difficult to determine. In this article the future long-term affected energy production is identified by use of energy system analysis. The focus is on different uses of waste for energy production. The Waste-to-Energy technologies analysed include co-combustion of coal and waste, anaerobic digestion and thermal gasification. The analysis is based on optimization of both investments and production of electricity, district heating and bio-fuel in a future possible energy system in 2025 in the countries of the Northern European electricity market (Denmark, Norway, Sweden, Finland and Germany). Scenarios with different CO{sub 2} quota costs are analysed. It is demonstrated that the waste incineration continues to treat the largest amount of waste. Investments in new waste incineration capacity may, however, be superseded by investments in new Waste-to-Energy technologies, particularly those utilising sorted fractions such as organic waste and refuse derived fuel. The changed use of waste proves to always affect a combination of technologies. What is affected varies among the different Waste-to-Energy technologies and is furthermore dependent on the CO{sub 2} quota costs and on the geographical scope. The necessity for investments in flexibility measures varies with the different technologies such as storage of heat and waste as well as expansion of district heating networks. Finally, inflexible technologies such as nuclear power plants are shown to be affected.

  8. Prospective Outlook on Long-Term Energy Systems (POLES) | Open Energy

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIX ECoop Inc Jump to:Newberg,Energy LLCALLETE Inc dEA EISProject JumpRegionInformation

  9. China-Medium and Long Term Energy Conservation Plan | Open Energy

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION JEnvironmentalBowerbank,CammackFLIR JumpMaine:WestTexas: EnergyExportDLR Resource

  10. THEORETICAL STUDIES IN LONG-TERM THERMAL ENERGY STORAGE IN AQUIFERS

    E-Print Network [OSTI]

    Tsang, C.F.

    2013-01-01

    within the Seasonal Thermal Energy Storage program managedwithin the Seasonal Thermal Energy Storage program managed

  11. Long-Term Planning for Nuclear Energy Systems Under Deep Uncertainty

    E-Print Network [OSTI]

    Kim, Lance Kyungwoo

    2011-01-01

    to meet energy production (i.e. burnup) and safety require-energy production energy demand at time t energy produced by all reactors at time t time end of planning horizon Safety &

  12. THEORETICAL STUDIES IN LONG-TERM THERMAL ENERGY STORAGE IN AQUIFERS

    E-Print Network [OSTI]

    Tsang, C.F.

    2013-01-01

    TNO~Symposium "Thermal Storage of Solar Energy" 5~6 November~Symposium, "Thermal Storage of Solar Energy 11 , Amsterdam,and Solar Energy, Office of Advanced Conservation Technology, Division of Thermal

  13. THEORETICAL STUDIES IN LONG-TERM THERMAL ENERGY STORAGE IN AQUIFERS

    E-Print Network [OSTI]

    Tsang, C.F.

    2013-01-01

    ~Symposium, "Thermal Storage of Solar Energy 11 , Amsterdam,TNO~Symposium "Thermal Storage of Solar Energy" 5~6 NovemberSolar Energy, Office of Advanced Conservation Technology, Division of Thermal

  14. THEORETICAL STUDIES IN LONG-TERM THERMAL ENERGY STORAGE IN AQUIFERS

    E-Print Network [OSTI]

    Tsang, C.F.

    2013-01-01

    ~Symposium, "Thermal Storage of Solar Energy 11 , Amsterdam,TNO~Symposium "Thermal Storage of Solar Energy" 5~6 NovemberAquifer Storage of Hot Water from Solar Energy Collectors.

  15. Short-term Exciting, Long-term Correcting Models for Earthquake Catalogs

    E-Print Network [OSTI]

    Frederic Schoenberg; Bruce Bolt

    2011-01-01

    Gaussian and log-normal renewal models, which are also oftenstrain-release and renewal models Point processes are useful= a + ! 3t-vN[0,t). For a renewal model with density /, the

  16. Energy Department Issues Report to Congress on Long-Term Stewardship...

    National Nuclear Security Administration (NNSA)

    Apply for Our Jobs Our Jobs Working at NNSA Blog Home Media Room Press Releases Energy Department Issues Report to Congress on ... Energy Department Issues Report to...

  17. Long-Term Planning for Nuclear Energy Systems Under Deep Uncertainty

    E-Print Network [OSTI]

    Kim, Lance Kyungwoo

    2011-01-01

    report, National Nuclear Security Administration, Departmentproliferation and security risks of nuclear energy systemsthe proliferation and security risk posed by nuclear energy

  18. Mathematical models as tools for probing long-term safety of CO2 storage

    E-Print Network [OSTI]

    Pruess, Karsten

    2010-01-01

    Issue on Site Characterization for Geological Storage ofgeological model needs to be acknowledged. Further site characterization

  19. LETTER Communicated by Emilio Salinas A Simple Model of Long-Term Spike Train Regularization

    E-Print Network [OSTI]

    Nelson, Mark E.

    a simpli ed version--the linear adaptive threshold model--that contains a single state variable and three that this regular- ization enhances the detectability of weak signals encoded by the linear adaptive threshold model adaptive threshold model may Neural Computation 14, 1575­1597 (2002) c° 2002 Massachusetts Institute

  20. A Long-Term Building Study of Energy Usage and Thermal Comfort in Religious Facilities 

    E-Print Network [OSTI]

    Terrill, Trevor

    2015-08-03

    to the infrequent usage of the building, the energy and cost saving potential of occupancy based lighting control is limited. Two separate experimental instances demonstrate the limited energy savings associated with occupancy based lighting control. An analysis...

  1. THEORETICAL STUDIES IN LONG-TERM THERMAL ENERGY STORAGE IN AQUIFERS

    E-Print Network [OSTI]

    Tsang, C.F.

    2013-01-01

    TNO~Symposium, "Thermal Storage of Solar Energy 11 ,TNO~Symposium "Thermal Storage of Solar Energy" 5~6 NovemberDivision of Thermal and Mechanical Storage Systems of the 0,

  2. Long term biosustainability in a high energy, low diversity crustal biotome

    E-Print Network [OSTI]

    Lin, L-H.

    2010-01-01

    SOM). The Gibbs free energy for microbial redox reactionsstate free energy flux 1 , FEF, for various microbial redoxenergy rich, is not approaching entropic death and is capable of sustaining microbial

  3. Long-Term Planning for Nuclear Energy Systems Under Deep Uncertainty

    E-Print Network [OSTI]

    Kim, Lance Kyungwoo

    2011-01-01

    on the heels of the Manhattan Project, nuclear energy tookmeans. Following early Manhattan Project efforts at thermal

  4. Modeling Long-term Creep Performance for Welded Nickel-base Superalloy Structures for Power Generation Systems

    SciTech Connect (OSTI)

    Shen, Chen

    2015-01-01

    We report here a constitutive model for predicting long-term creep strain evolution in ?’ strengthened Ni-base superalloys. Dislocation climb-bypassing ?’, typical in intermediate ?’ volume fraction (~20%) alloys, is considered as the primary deformation mechanism. Dislocation shearing ?’ to anti-phase boundary (APB) faults and diffusional creep are also considered for high-stress and high-temperature low-stress conditions, respectively. Additional damage mechanism is taken into account for rapid increase in tertiary creep strain. The model has been applied to Alloy 282, and calibrated in a temperature range of 1375-1450?F, and stress range of 15-45ksi. The model parameters and a MATLAB code are provided. This report is prepared by Monica Soare and Chen Shen at GE Global Research. Technical discussions with Dr. Vito Cedro are greatly appreciated. This work was supported by DOE program DE-FE0005859

  5. The Solar Energy Institute: A long-term investment in America's youth

    SciTech Connect (OSTI)

    Arwood, J.W.

    1999-07-01

    Unlike students of a generation ago, today's high school students have had limited personal experience with the energy issues that influence their everyday lives. They have no personal knowledge of the Arab Oil Embargo or the long lines at gas pumps that students in the 1970s encountered. Unlike their counterparts of the 1980s, who demonstrated against nuclear power plant construction projects, today's students have had very little exposure to energy debates of any national or international consequence. What's more, they have only vague memories of the Persian Gulf War and the fight over energy supplies. Fearing that the absence of crucial, real-life experiences has negatively impacted the energy literacy of today's students, numerous entities have implemented programs designed to introduce young people to a cornucopia of diverse energy issues that affect every aspect of daily life. As part of this educational movement, the Arizona Department of Commerce Energy Office recognized the fact that young people face an increasingly uncertain energy picture and, as such, one must provide them an education that will allow them to make informed energy decisions in the future. To this end, the Energy Office founded the Solar Energy Institute. What the author has gathered from his two years of experience operating the Solar Energy Institute is that the energy IQ of America's youth, specifically their solar energy IQ, is deficient. The other conclusion he has been able to draw from the program of study is that this summer camp is having a positive impact on students' energy literacy as measured by test scores and a follow-up survey of participants.

  6. Short-term Exciting, Long-term Correcting Models for Earthquake Catalogs

    E-Print Network [OSTI]

    Frederic Schoenberg; Bruce Bolt

    2011-01-01

    w 7.3 Landers, for earthquakes - regional comparisons. Bull.Nonstationary Poisson model for earthquake occurrences. Y. (1997). Are earthquakes predictable? Geophys. J. Int. Bull.

  7. Long-Term Planning for Nuclear Energy Systems Under Deep Uncertainty

    E-Print Network [OSTI]

    Kim, Lance Kyungwoo

    2011-01-01

    Nuclear Assistance and Nuclear Proliferation. Cambridge, MA:Way. The Correlates of Nuclear Proliferation: A Quantitativethe linkages between nuclear proliferation and energy. Susan

  8. Long-Term Planning for Nuclear Energy Systems Under Deep Uncertainty

    E-Print Network [OSTI]

    Kim, Lance Kyungwoo

    2011-01-01

    risky approach to nuclear expansion that offsets theirglobal implications of nuclear expansion in aggregate and10, 32, 103] The expansion of nuclear energy stalled

  9. Dynamic Long-Term Modelling of Generation Capacity Investment and Capacity Margins

    E-Print Network [OSTI]

    Eager, Dan; Hobbs, Benjamin; Bialek, Janusz

    2012-04-25

    is the mix and amount of generation investment over time in response to policies promoting high penetrations of variable output renewable power such as wind. Modelling the dynamics of merchant generation investment in market environments can inform the debate...

  10. University of Minnesota aquifer thermal energy storage (ATES) project report on the third long-term cycle

    SciTech Connect (OSTI)

    Hoyer, M.C.; Hallgren, J.P.; Uebel, M.H.; Delin, G.N.; Eisenreich, S.J.; Sterling, R.L.

    1994-12-01

    The University of Minnesota aquifer thermal energy storage (ATES) system has been operated as a field test facility (FTF) since 1982. The objectives were to design, construct, and operate the facility to study the feasibility of high-temperature ATES in a confined aquifer. Four short-term and two long-term cycles were previously conducted, which provided a greatly increased understanding of the efficiency and geochemical effects of high-temperature aquifer thermal energy storage. The third long-term cycle (LT3) was conducted to operate the ATES system in conjunction with a real heating load and to further study the geochemical impact that heated water storage had on the aquifer. For LT3, the source and storage wells were modified so that only the most permeable portion, the Ironton-Galesville part, of the Franconia-Ironton-Galesville aquifer was used for storage. This was expected to improve storage efficiency by reducing the surface area of the heated volume and simplify analysis of water chemistry results by reducing the number of aquifer-related variables which need to be considered. During LT3, a total volume of 63.2 {times} 10{sup 3} m {sup 3} of water was injected at a rate of 54.95 m{sup 3}/hr into the storage well at a mean temperature of 104.7{degrees}C. Tie-in to the reheat system of the nearby Animal Sciences Veterinary Medicine (ASVM) building was completed after injection was completed. Approximately 66 percent (4.13 GWh) of the energy added to the aquifer was recovered. Approximately 15 percent (0.64 GWh) of the usable (10 building. Operations during heat recovery with the ASVM building`s reheat system were trouble-free. Integration into more of the ASVM (or other) building`s mechanical systems would have resulted in significantly increasing the proportion of energy used during heat recovery.

  11. Algal Biofuels Factsheet: Long-Term Energy Benefits Drive U.S. Research

    SciTech Connect (OSTI)

    2013-03-04

    Algal biofuels are generating considerable interest around the world. In the United States, they represent promising pathways for helping to meet the biofuel production targets set by the Energy Independence and Security Act of 2007.

  12. Achieving A Long Term Business Impact by Improving the Energy Effectiveness and Reliability of Electric Motors 

    E-Print Network [OSTI]

    Whelan, C. D.

    1997-01-01

    Over 100,000 electric motors drive the production equipment throughout a large chemical company. The energy-efficiency and reliability of these motors during their entire life have a decided impact on the company's manufacturing costs and production...

  13. On constitutive modeling of soft tissue for the long-term prediction of cranio-maxillofacial

    E-Print Network [OSTI]

    Frey, Pascal

    -incompressible, nonlinear plastic­viscoelastic material properties. Besides the properties well known from classic material in cranio-maxillofacial (CMF) surgery simulations. Since the biomechanical properties of living tissues and comprehensive data on material properties of a particular tissue are still very scarce. Thus, simplified models

  14. Observations and modelling of the global distribution and long-term trend of atmospheric 14

    E-Print Network [OSTI]

    (IWR), University of Heidelberg, INF 368, D-69120 Heidelberg, Germany, now at Electrical Engineering for Australian Weather and Climate Research / CSIRO Marine and Atmospheric Research (CMAR), Private Bag No. 1 and sinks, using the coarse-grid carbon cycle model GRACE. Dedicated simulations of global trends and inter

  15. Modelling long-term fire regimes of southern California Seth H. PetersonA,F

    E-Print Network [OSTI]

    Carlson, Jean

    of Santa Ana wind events, and live fuel moisture, using the HFire fire spread model. HFire shrublands extends over a broad range of fire sizes from numerous small fires to relatively few large and Fotheringham 2003), whereas increases in population in the wildland­urban interface (WUI) will likely lead

  16. Evaluation of Long-Term Cloud-Resolving Modeling with ARM Data

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantityBonneville Power Administration would like submitKansasCommunitiesof Energy8) Wigner Home ·the EffectEvaluation of

  17. Mathematical model of thermal shields for long-term stability optical resonators

    E-Print Network [OSTI]

    Josep Sanjuan; Norman Gürlebeck; Claus Braxmaier

    2015-09-25

    Modern experiments aiming at tests of fundamental physics, like measuring gravitational waves or testing Lorentz Invariance with unprecedented accuracy, require thermal environments that are highly stable over long times. To achieve such a stability, the experiment including typically an optical resonator is nested in a thermal enclosure, which passively attenuates external temperature fluctuations to acceptable levels. These thermal shields are usually designed using tedious numerical simulations or with simple analytical models. In this paper, we propose an accurate analytical method to estimate the performance of passive thermal shields in the frequency domain, which allows for fast evaluation and optimization. The model analysis has also unveil interesting properties of the shields, such as dips in the transfer function for some frequencies under certain combinations of materials and geometries. We validate the results by comparing them to numerical simulations performed with commercial software based on finite element methods.

  18. Local government involvement in long term resource planning for community energy systems. Demand side management

    SciTech Connect (OSTI)

    Not Available

    1992-03-01

    A program was developed to coordinate governmental, research, utility, and business energy savings efforts, and to evaluate future potential actions, based on actual field data obtained during the implementation of Phase I of the State Resource Plan. This has lead to the establishment of a state conservation and energy efficiency fund for the purpose of establishing a DSM Program. By taking a state wide perspective on resource planning, additional savings, including environmental benefits, can be achieved through further conservation and demand management. This effort has already blossomed into a state directive for DSM programs for the natural gas industry.

  19. Local government involvement in long term resource planning for community energy systems

    SciTech Connect (OSTI)

    Not Available

    1992-03-01

    A program was developed to coordinate governmental, research, utility, and business energy savings efforts, and to evaluate future potential actions, based on actual field data obtained during the implementation of Phase I of the State Resource Plan. This has lead to the establishment of a state conservation and energy efficiency fund for the purpose of establishing a DSM Program. By taking a state wide perspective on resource planning, additional savings, including environmental benefits, can be achieved through further conservation and demand management. This effort has already blossomed into a state directive for DSM programs for the natural gas industry.

  20. Modeling the Long-Term Market Penetration of Wind in the United States

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantityBonneville Power Administration wouldMass map shines light on77 PAGEMission MissionModeling distributed generation in

  1. Sustaining Long-Term Energy Savings for a Major Texas State Agency Performance Contracting Initiative 

    E-Print Network [OSTI]

    Culp, C.; Bou-Saada, T. E.

    2007-01-01

    , the utility savings will pay for the more efficient equipment cost over a fifteen-year period. The utility savings are measured over the life of the contract in order to ensure the savings stream and maintain the savings guarantee. The agency chose... and water efficiency measures that were possible to finance with a fifteen year period. The Texas Health and Human Services Commission (HHSC), formerly the Texas Department of Mental Health and Mental Retardation (TDMHMR), signed an energy savings...

  2. Study of Long-Term Transport Action Plan for ASEAN | Open Energy

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIX ECoop Inc JumpHeter BatterySolarfinMarket StudiesStrategic EnergyStresni Burza S

  3. Long-Term Natural Gas Infrastructure Needs U.S. Department of Energy Quadrennial

    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: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustmentsShirleyEnergyTher i nAand DOE Safety StandardsLaborLignol<Colin Colverson,Term

  4. Algal Biofuels: Long-Term Energy Benefits Drive U.S. Research | Department

    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: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustmentsShirleyEnergyTher i n c i p a l De p u t y A sCOLONYDepartmentand Staff EngagementHAMCAlexisof

  5. Using Social Media for Long-Term Branding | Department of Energy

    Office of Environmental Management (EM)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustmentsShirley Ann Jackson About1996HowFOAShowing YouNeedofDepartment of EnergyEducationUranium Under

  6. NINTH INTERIM STATUS REPORT: MODEL 9975 PCV O-RING FIXTURE LONG-TERM LEAK PERFORMANCE

    SciTech Connect (OSTI)

    Daugherty, W.

    2014-08-06

    A series of experiments to monitor the aging performance of Viton® GLT O-rings used in the Model 9975 package has been ongoing since 2004 at the Savannah River National Laboratory. One approach has been to periodically evaluate the leak performance of O-rings being aged in mock-up 9975 Primary Containment Vessels (PCVs) at elevated temperatures. Other methods such as compression-stress relaxation (CSR) tests and field surveillance are also on-going to evaluate O-ring behavior. Seventy tests using PCV mock-ups were assembled and heated to temperatures ranging from 200 to 450 ºF. They were leak-tested initially and have been tested periodically to determine if they continue to meet the leak-tightness criterion defined in ANSI standard N14.5-97. Due to material substitution, fourteen additional tests were initiated in 2008 with GLT-S O-rings heated to temperatures ranging from 200 to 400 ºF. High temperature aging continues for 23 GLT O-ring fixtures at 200 – 270 ºF. Room temperature leak test failures have been experienced in all of the GLT O-ring fixtures aging at 350 ºF and higher temperatures, and in 8 fixtures aging at 300 ºF. The earliest 300 °F GLT O-ring fixture failure was observed at 34 months. The remaining GLT O-ring fixtures aging at 300 ºF have been retired from testing following more than 5 years at temperature without failure. No failures have yet been observed in GLT O-ring fixtures aging at 200 ºF for 72 - 96 months, which bounds O-ring temperatures anticipated during storage in K-Area Complex (KAC). Based on expectations that the 200 ºF fixtures will remain leak-tight for a significant period yet to come, 2 additional fixtures began aging in 2011 at 270 ºF, with hopes that they may reach a failure condition before the 200 ºF fixtures, thus providing additional time to failure data. High temperature aging continues for 6 GLT-S O-ring fixtures at 200 – 300 ºF. Room temperature leak test failures have been experienced in all 8 of the GLT-S O-ring fixtures aging at 350 and 400 ºF. No failures have yet been observed in GLT-S O-ring fixtures aging at 200 - 300 ºF for 54 - 57 months. No additional O-ring failures have been observed since the last interim report was issued. Aging and periodic leak testing will continue for the remaining PCV fixtures. Additional irradiation of several fixtures is recommended to maintain a balance between thermal and radiation exposures similar to that experienced in storage, and to show the degree of consistency of radiation response between GLT and GLT-S O-rings.

  7. A groundwater flow and transport model of long-term radionuclide migration in central Frenchman flat, Nevada test site

    SciTech Connect (OSTI)

    Kwicklis, Edward Michael [Los Alamos National Laboratory; Becker, Naomi M [Los Alamos National Laboratory; Ruskauff, Gregory [NAVARRO-INTERA, LLC.; De Novio, Nicole [GOLDER AND ASSOC.; Wilborn, Bill [US DOE NNSA NSO

    2010-11-10

    A set of groundwater flow and transport models were created for the Central Testing Area of Frenchman Flat at the former Nevada Test Site to investigate the long-term consequences of a radionuclide migration experiment that was done between 1975 and 1990. In this experiment, radionuclide migration was induced from a small nuclear test conducted below the water table by pumping a well 91 m away. After radionuclides arrived at the pumping well, the contaminated effluent was discharged to an unlined ditch leading to a playa where it was expected to evaporate. However, recent data from a well near the ditch and results from detailed models of the experiment by LLNL personnel have convincingly demonstrated that radionuclides from the ditch eventually reached the water table some 220 m below land surface. The models presented in this paper combine aspects of these detailed models with concepts of basin-scale flow to estimate the likely extent of contamination resulting from this experiment over the next 1,000 years. The models demonstrate that because regulatory limits for radionuclide concentrations are exceeded only by tritium and the half-life of tritium is relatively short (12.3 years), the maximum extent of contaminated groundwater has or will soon be reached, after which time the contaminated plume will begin to shrink because of radioactive decay. The models also show that past and future groundwater pumping from water supply wells within Frenchman Flat basin will have negligible effects on the extent of the plume.

  8. Sutherland, Jones & Neal, Wind Energy 2001, ASME/AIAA AIAA-2001-0039 THE LONG-TERM INFLOW AND STRUCTURAL TEST PROGRAM*

    E-Print Network [OSTI]

    Sutherland, Jones & Neal, Wind Energy 2001, ASME/AIAA AIAA-2001-0039 THE LONG-TERM INFLOW AND STRUCTURAL TEST PROGRAM* Herbert J. Sutherland and Perry L. Jones Byron A. Neal Wind Energy Technology to characterize the extreme loads on wind turbines. A heavily instrumented Micon 65/13M turbine with SERI 8-m

  9. Long Term Thermal Stability In Air Of Ionic Liquid Based Alternative Heat Transfer Fluids For Clean Energy Production

    SciTech Connect (OSTI)

    Fox, Elise B; Kendrick, Sarah E.; Visser, Ann E.; Bridges, Nicholas J.

    2012-10-15

    The purpose of this study was to investigate the effect of long-term aging on the thermal stability and chemical structure of seven different ILs so as to explore their suitability for use as a heat transfer fluid. This was accomplished by heating the ILs for 15 weeks at 200?C in an oxidizing environment and performing subsequent analyses on the aged chemicals.

  10. Cloud fraction, liquid and ice water contents derived from long-term radar, lidar, and microwave radiometer data are systematically compared to models to quantify and

    E-Print Network [OSTI]

    Hogan, Robin

    Cloud fraction, liquid and ice water contents derived from long-term radar, lidar, and microwave a systematic evaluation of clouds in forecast models. Clouds and their associated microphysical processes for end users of weather forecasts, who may be interested not only in cloud cover, but in other variables

  11. Building Long-Term Sustained Capacity and Influencing Decisions: The U.S. DOE SEP Capacity Model

    SciTech Connect (OSTI)

    McCarthy, Patrick [TecMarket Works; Hall, Nick [TecMarket Works; Schweitzer, Martin [ORNL; Lambert, Faith [U.S. Department of Energy

    2011-01-01

    This paper presents a state-level systems model that incorporates traditional behavior change models into a more extensive framework for explaining energy efficiency and renewable energy impacts. The model was developed from a seminal national study of state energy programs covering a broad array of programmatic topic areas. The study examined a wide range of program offerings within 24 states, involving over 25 years of state efforts. While specific priorities and outcomes varied greatly across the states for each of the topic areas, consistent systems-level capacity-building patterns were revealed. This model demonstrates how the U.S. Department of Energy s (DOE s) State Energy Program (SEP) and non-SEP resources, when incorporated into a framework of essential capacity-building components, can lead to energy efficiency and renewable energy achievements. This paper then features two case study illustrations of the model.

  12. H.J. Sutherland, P.L. Jones, and B.A. Neal, "The Long-Term Inflow and Structural test Program,"2001 ASME Wind Energy Syposium, AIAA/ASME 2001, pp.162-172

    E-Print Network [OSTI]

    * Herbert J. Sutherland and Perry L. Jones Wind Energy Technology Department Sandia National Laboratories ASME Wind Energy Syposium, AIAA/ASME 2001, pp.162-172 THE LONG-TERM INFLOW AND STRUCTURAL TEST PROGRAM Research Laboratory Bushland, TX 79012-0010 ABSTRACT The Long-term Inflow and Structural Test (LIST

  13. Long-Term Surveillance Operations and Maintenance Fiscal Year...

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

    The Long-Term Surveillance Operations and Maintenance (LTS-O&M) subtask has a critical long-term surveillance and maintenance (LTS&M) role for the U.S. Department of Energy (DOE)...

  14. Long-Term Environmental Stewardship

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

    activities maintenance of barriers and other contaminant structures periodic inspections control of site access posted signs Long-term environmental stewardship (LTES) data access...

  15. III. VALUE OF LONG-TERM SOLAR RADIATION DATA Long-term solar radiation data sets are scarce

    E-Print Network [OSTI]

    Oregon, University of

    indicator of the amount of useful energy that a solar energy system can collect. The variations of monthly5 III. VALUE OF LONG-TERM SOLAR RADIATION DATA Long-term solar radiation data sets are scarce due to the considerable effort and expense of data gathering. Long-term (30-year) solar ra- diation data sets

  16. LONG-TERM GLOBAL WATER USE PROJECTIONS USING SIX SOCIOECONOMIC SCENARIOS IN AN INTEGRATED ASSESSMENT MODELING FRAMEWORK

    SciTech Connect (OSTI)

    Hejazi, Mohamad I.; Edmonds, James A.; Clarke, Leon E.; Kyle, G. Page; Davies, Evan; Chaturvedi, Vaibhav; Wise, Marshall A.; Patel, Pralit L.; Eom, Jiyong; Calvin, Katherine V.; Moss, Richard H.; Kim, Son H.

    2014-01-19

    In this paper, we assess future water demands for the agricultural (irrigation and livestock), energy (electricity generation, primary energy production and processing), industrial (manufacturing and mining), and municipal sectors, by incorporating water demands into a technologically-detailed global integrated assessment model of energy, agriculture, and climate change – the Global Change Assessment Model (GCAM). Base-year water demands—both gross withdrawals and net consumptive use—are assigned to specific modeled activities in a way that maximizes consistency between bottom-up estimates of water demand intensities of specific technologies and practices, and top-down regional and sectoral estimates of water use. The energy, industrial, and municipal sectors are represented in fourteen geopolitical regions, with the agricultural sector further disaggregated into as many as eighteen agro-ecological zones (AEZs) within each region. We assess future water demands representing six socioeconomic scenarios, with no constraints imposed by future water supplies. The scenarios observe increases in global water withdrawals from 3,578 km3 year-1 in 2005 to 5,987 – 8,374 km3 year-1 in 2050, and to 4,719 – 12,290 km3 year-1 in 2095. Comparing the projected total regional water withdrawals to the historical supply of renewable freshwater, the Middle East exhibits the highest levels of water scarcity throughout the century, followed by India; water scarcity increases over time in both of these regions. In contrast, water scarcity improves in some regions with large base-year electric sector withdrawals, such as the USA and Canada, due to capital stock turnover and the almost complete phase-out of once-through flow cooling systems. The scenarios indicate that: 1) water is likely a limiting factor in climate change mitigation policies, 2) many regions can be expected to increase reliance on non-renewable groundwater, water reuse, and desalinated water, but they also highlight an important role for development and deployment of water conservation technologies and practices.

  17. Energy conversion with solid oxide fuel cell systems: A review of concepts amd outlooks for the short- and long-term

    SciTech Connect (OSTI)

    Adams, II, Thomas A. [McMaster University; Nease, Jake [McMaster University; Tucker, David [U.S DOE; Barton, Paul I. [MIT

    2013-01-01

    A review of energy conversion systems which use solid oxide fuel cells (SOFCs) as their primary electricity generation component is presented. The systems reviewed are largely geared for development and use in the short- and long-term future. These include systems for bulk power generation, distributed power generation, and systems integrated with other forms of energy conversion such as fuel production. The potential incorporation of CO{sub 2} capture and sequestration technologies and the influences of potential government policies are also discussed.

  18. The impact of a long-term reduction in dietary energy density on body weight within a randomized diet trial

    E-Print Network [OSTI]

    2008-01-01

    energy- dense foods consume more energy and are relativelywho consume proportionately greater amounts of low-energy-

  19. Japan's Long-term Energy Demand and Supply Scenario to 2050 - Estimation for the Potential of Massive CO2 Mitigation

    E-Print Network [OSTI]

    Komiyama, Ryoichi

    2010-01-01

    Energy Journal Vol.4, No.4 hydraulic energy resources. Givennon-fossil energy sources (nuclear, hydraulic, geothermalgeneration. If hydraulic and geothermal energies (accounting

  20. Japan's Long-term Energy Demand and Supply Scenario to 2050 - Estimation for the Potential of Massive CO2 Mitigation

    E-Print Network [OSTI]

    Komiyama, Ryoichi

    2010-01-01

    og Stable Energy Supply Enhancing cooperative relations withenhancement of cooperative relations with energy resources

  1. Challenges for Long-Term Energy Models: Modeling Energy Use and Energy Efficiency

    Gasoline and Diesel Fuel Update (EIA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustments (Billion Cubic Feet) Wyoming Dry NaturalPrices1 Table 1.101 (Million Short6RUBUFFALO

  2. Japan's Long-term Energy Demand and Supply Scenario to 2050 - Estimation for the Potential of Massive CO2 Mitigation

    E-Print Network [OSTI]

    Komiyama, Ryoichi

    2010-01-01

    technologies og Stable Energy Supply Enhancing cooperativesources in total primary energy supply in 2050 to 50% (towell-organized in regard to energy supply and demand toward

  3. Japan's Long-term Energy Demand and Supply Scenario to 2050 - Estimation for the Potential of Massive CO2 Mitigation

    E-Print Network [OSTI]

    Komiyama, Ryoichi

    2010-01-01

    ventilation) Introducing net zero energy buildings IncreasedPotential for Achieving Net Zero-Energy Buildings in the

  4. Japan's Long-term Energy Demand and Supply Scenario to 2050 - Estimation for the Potential of Massive CO2 Mitigation

    E-Print Network [OSTI]

    Komiyama, Ryoichi

    2010-01-01

    international energy supply/demand in 2050, China, India andStorage (CCS) J energy including China and India, growing ""

  5. Japan's Long-term Energy Demand and Supply Scenario to 2050 - Estimation for the Potential of Massive CO2 Mitigation

    E-Print Network [OSTI]

    Komiyama, Ryoichi

    2010-01-01

    C O ; Hydro and 4 Po geothermal energies I Nuclear Gas I OilIf hydraulic and geothermal energies (accounting for 4% ofnuclear, hydraulic, geothermal and new energy sources) will

  6. Japan's Long-term Energy Demand and Supply Scenario to 2050 - Estimation for the Potential of Massive CO2 Mitigation

    E-Print Network [OSTI]

    Komiyama, Ryoichi

    2010-01-01

    the oil crises (to cut primary energy demand per GDP ( T P Eenergy sources in total primary energy supply in 2050 toreduce C 0 emissions per primary energy demand ( C 0 / T P E

  7. Japan's Long-term Energy Demand and Supply Scenario to 2050 - Estimation for the Potential of Massive CO2 Mitigation

    E-Print Network [OSTI]

    Komiyama, Ryoichi

    2010-01-01

    renewable energy sources (excluding hydro and geothermal)C O ; Hydro and 4 Po geothermal energies I Nuclear Gas I OilNuclear Hydro/geothermal Renewables Primary energy supply

  8. Japan's Long-term Energy Demand and Supply Scenario to 2050 - Estimation for the Potential of Massive CO2 Mitigation

    E-Print Network [OSTI]

    Komiyama, Ryoichi

    2010-01-01

    Framework Energy supply/demand forecasts change greatlyThis analysis makes energy supply/demand forecasts for theEnergy Demand (Reference Scenario) In millions of tons oil equivalent (Mtoe) I l f Results* •Forecasts *

  9. The impact of a long-term reduction in dietary energy density on body weight within a randomized diet trial

    E-Print Network [OSTI]

    2008-01-01

    reduction in dietary energy density on body weight within a4 Running title: Energy density and weight This study waseffect of change in dietary energy density on body weight in

  10. Japan's Long-term Energy Demand and Supply Scenario to 2050 - Estimation for the Potential of Massive CO2 Mitigation

    E-Print Network [OSTI]

    Komiyama, Ryoichi

    2010-01-01

    global warming problem will be the promotion of energy conservation at all energy consumptionenergy consumption substantially. Industrial countries' C 0 emission cuts alone may fail to address global

  11. Japan's Long-term Energy Demand and Supply Scenario to 2050 - Estimation for the Potential of Massive CO2 Mitigation

    E-Print Network [OSTI]

    Komiyama, Ryoichi

    2010-01-01

    increase nuclear energy's economic efficiency for competingthe nuclear energy resources utilization efficiency, reduceenergy efficiency standards and labeling) programs Supporting development o f tedinologies Ibi nuclear,

  12. Japan's Long-term Energy Demand and Supply Scenario to 2050 - Estimation for the Potential of Massive CO2 Mitigation

    E-Print Network [OSTI]

    Komiyama, Ryoichi

    2010-01-01

    nuclear energy resources utilization efficiency, reduce spent nuclear fuels and other radioactive wastes, secure safe

  13. Japan's Long-term Energy Demand and Supply Scenario to 2050 - Estimation for the Potential of Massive CO2 Mitigation

    E-Print Network [OSTI]

    Komiyama, Ryoichi

    2010-01-01

    account an additional expansion of nuclear power plant, andpromotion of nuclear energy and the expansion of new energynuclear and 16% for the others) on the further promotion of energy conservation and the expansion

  14. Long-term ice sheetclimate interactions under anthropogenic greenhouse forcing simulated with a complex Earth System Model

    E-Print Network [OSTI]

    Winguth, Arne

    with a complex Earth System Model Miren Vizcai´no Æ Uwe Mikolajewicz Æ Matthias Gro¨ger Æ Ernst Maier-Reimer Æ-millennia simulations have been performed with a complex Earth System Model (ESM) for different anthropogenic climate climate change Á Meridional overturning circulation Á Earth system modelling Á Sea level 1 Introduction

  15. Japan's Long-term Energy Demand and Supply Scenario to 2050 - Estimation for the Potential of Massive CO2 Mitigation

    E-Print Network [OSTI]

    Komiyama, Ryoichi

    2010-01-01

    Utilizing unconventional oil resources (cxlra-lieavy oil.oil. In this respect, Japan will have to improve the nuclear energy resources

  16. Japan's Long-term Energy Demand and Supply Scenario to 2050 - Estimation for the Potential of Massive CO2 Mitigation

    E-Print Network [OSTI]

    Komiyama, Ryoichi

    2010-01-01

    in which solar PV generation technologies will be developedsolar PV, biomass and waste power generation technologies.Technology Advance (Mihsunuial CO* emission reduction Solar energy (PV,

  17. Japan's Long-term Energy Demand and Supply Scenario to 2050 - Estimation for the Potential of Massive CO2 Mitigation

    E-Print Network [OSTI]

    Komiyama, Ryoichi

    2010-01-01

    growth, population, crude oil prices, industrial materialsin 2050. The imported crude oil price assumption is based onas energy security amid crude oil price spikes. Under the

  18. Japan's Long-term Energy Demand and Supply Scenario to 2050 - Estimation for the Potential of Massive CO2 Mitigation

    SciTech Connect (OSTI)

    Komiyama, Ryoichi; Marnay, Chris; Stadler, Michael; Lai, Judy; Borgeson, Sam; Coffey, Brian; Azevedo, Ines Lima

    2009-09-01

    In this analysis, the authors projected Japan's energy demand/supply and energy-related CO{sub 2} emissions to 2050. Their analysis of various scenarios indicated that Japan's CO{sub 2} emissions in 2050 could be potentially reduced by 26-58% from the current level (FY 2005). These results suggest that Japan could set a CO{sub 2} emission reduction target for 2050 at between 30% and 60%. In order to reduce CO{sub 2} emissions by 60% in 2050 from the present level, Japan will have to strongly promote energy conservation at the same pace as an annual rate of 1.9% after the oil crises (to cut primary energy demand per GDP (TPES/GDP) in 2050 by 60% from 2005) and expand the share of non-fossil energy sources in total primary energy supply in 2050 to 50% (to reduce CO{sub 2} emissions per primary energy demand (CO{sub 2}/TPES) in 2050 by 40% from 2005). Concerning power generation mix in 2050, nuclear power will account for 60%, solar and other renewable energy sources for 20%, hydro power for 10% and fossil-fired generation for 10%, indicating substantial shift away from fossil fuel in electric power supply. Among the mitigation measures in the case of reducing CO{sub 2} emissions by 60% in 2050, energy conservation will make the greatest contribution to the emission reduction, being followed by solar power, nuclear power and other renewable energy sources. In order to realize this massive CO{sub 2} abatement, however, Japan will have to overcome technological and economic challenges including the large-scale deployment of nuclear power and renewable technologies.

  19. Modeling Cu Migration in CdTe Solar Cells Under Device-Processing and Long-Term Stability Conditions: Preprint

    SciTech Connect (OSTI)

    Teeter, G.; Asher, S.

    2008-05-01

    An impurity migration model for systems with material interfaces is applied to Cu migration in CdTe solar cells. In the model, diffusion fluxes are calculated from the Cu chemical potential gradient. Inputs to the model include Cu diffusivities, solubilities, and segregation enthalpies in CdTe, CdS and contact materials. The model yields transient and equilibrium Cu distributions in CdTe devices during device processing and under field-deployed conditions. Preliminary results for Cu migration in CdTe photovoltaic devices using available diffusivity and solubility data from the literature show that Cu segregates in the CdS, a phenomenon that is commonly observed in devices after back-contact processing and/or stress conditions.

  20. Upscaling of Long-Term U(VI) Desorption from Pore Scale Kinetics to Field-Scale Reactive Transport Models

    SciTech Connect (OSTI)

    Steefel, Carl I.; Li Li; Davis, J.A.; Curtis, G.P.; Honeyman, B.D.; Kent, D.B.; Kohler, M.; Rodriguez, D.R.; Johnson, K.J.; Miller, A.

    2006-06-01

    The focus of the project is the development of scientifically defensible approaches for upscaling reactive transport models (RTM) through a detailed understanding of U(VI) desorption across several spatial scales: bench-, intermediate-, and field-scales. The central hypothesis of the project is that the development of this methodology will lead to a scientifically defensible approach for conceptual model development for multicomponent RTM at contaminated DOE sites, leading to predictive transport simulations with reduced uncertainty.

  1. Predicting long-term carbon sequestration in response to CO2 enrichment: How and why do current ecosystem models differ?

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

    Walker, Anthony P.; Zaehle, Sönke; Medlyn, Belinda E.; De Kauwe, Martin G.; Asao, Shinichi; Hickler, Thomas; Parton, William; Ricciuto, Daniel M.; Wang, Ying -Ping; Wårlind, David; et al

    2015-04-27

    Large uncertainty exists in model projections of the land carbon (C) sink response to increasing atmospheric CO2. Free-Air CO2 Enrichment (FACE) experiments lasting a decade or more have investigated ecosystem responses to a step change in atmospheric CO2 concentration. To interpret FACE results in the context of gradual increases in atmospheric CO2 over decades to centuries, we used a suite of seven models to simulate the Duke and Oak Ridge FACE experiments extended for 300 years of CO2 enrichment. We also determine key modeling assumptions that drive divergent projections of terrestrial C uptake and evaluate whether these assumptions can bemore »constrained by experimental evidence. All models simulated increased terrestrial C pools resulting from CO2 enrichment, though there was substantial variability in quasi-equilibrium C sequestration and rates of change. In two of two models that assume that plant nitrogen (N) uptake is solely a function of soil N supply, the net primary production response to elevated CO2 became progressively N limited. In four of five models that assume that N uptake is a function of both soil N supply and plant N demand, elevated CO2 led to reduced ecosystem N losses and thus progressively relaxed nitrogen limitation. Many allocation assumptions resulted in increased wood allocation relative to leaves and roots which reduced the vegetation turnover rate and increased C sequestration. Additionally, self-thinning assumptions had a substantial impact on C sequestration in two models. As a result, accurate representation of N process dynamics (in particular N uptake), allocation, and forest self-thinning is key to minimizing uncertainty in projections of future C sequestration in response to elevated atmospheric CO2.« less

  2. Japan's Long-term Energy Demand and Supply Scenario to 2050 - Estimation for the Potential of Massive CO2 Mitigation

    E-Print Network [OSTI]

    Komiyama, Ryoichi

    2010-01-01

    energy sources for 20%, hydro power for 10% and fossil-firedetc. • Wind power • Solar • Geothermal ^ Hydro O LO CO CT> Chydro and geothermal) are assumed to expand their share of electric utilities' power

  3. CO sub 2 emissions from developing countries: Better understanding the role of energy in the long term

    SciTech Connect (OSTI)

    Sathaye, J.; Goldman, N.

    1991-07-01

    Recent years have witnessed a growing recognition of the link between emissions of carbon dioxide (CO{sub 2}) and changes in the global climate. of all anthropogenic activities, energy production and use generate the single largest portion of these greenhouse gases. Although developing countries currently account for a small share of global carbon emissions, their contribution is increasing rapidly. Due to the rapid expansion of energy demand in these nations, the developing world's share in global modern energy use rose from 16 to 27 percent between 1970 and 1990. If the growth rates observed over the past 20 years persist, energy demand in developing nations will surpass that in the countries of the Organization for Economic Cooperation and Development (OECD) early in the 21st century. The study seeks to examine the forces that galvanize the growth of energy use and carbon emissions, to assess the likely future levels of energy and CO{sub 2} in selected developing nations and to identify opportunities for restraining this growth. The purpose of this report is to provide the quantitative information needed to develop effective policy options, not to identify the options themselves. A combined study was carried out for the countries of the Gulf Cooperation Council (Bahrain, Kuwait, Oman, Qatar, Saudi Arabia and the United Arab Emirates).

  4. Long-term performance of ceramic matrix composites at elevated temperatures: Modelling of creep and creep rupture

    SciTech Connect (OSTI)

    Curtin, W.A.; Fabeny, B.; Ibnabdeljalil, M.; Iyengar, N.; Reifsnider, K.L.

    1996-07-31

    The models developed, contain explicit dependences on constituent material properties and their changes with time, so that composite performance can be predicted. Three critical processes in ceramic composites at elevated temperatures have been modeled: (1) creep deformation of composite vs stress and time-dependent creep of fibers and matrix, and failure of these components; (2) creep deformation of ``interface`` around broken fibers; and (3) lifetime of the composite under conditions of fiber strength loss over time at temperature. In (1), general evolution formulas are derived for relaxation time of matrix stresses and steady-state creep rate of composite; the model is tested against recent data on Ti-MMCs. Calculations on a composite of Hi-Nicalon fibers in a melt-infiltrated SiC matrix are presented. In (2), numerical simulations of composite failure were made to map out time-to-failure vs applied load for several sets of material parameters. In (3), simple approximate relations are obtained between fiber life and composite life that should be useful for fiber developers and testers. Strength degradation data on Hi-Nicalon fibers is used to assess composite lifetime vs fiber lifetime for Hi-Nicalon fiber composites.

  5. Microstructure and Property Evolution in Advanced Cladding and Duct Materials Under Long-Term and Elevated Temperature Irradiation: Modeling and Experimental Investigation

    SciTech Connect (OSTI)

    Wirth, Brian; Morgan, Dane; Kaoumi, Djamel; Motta, Arthur

    2013-12-01

    The in-service degradation of reactor core materials is related to underlying changes in the irradiated microstructure. During reactor operation, structural components and cladding experience displacement of atoms by collisions with neutrons at temperatures at which the radiation-induced defects are mobile, leading to microstructure evolution under irradiation that can degrade material properties. At the doses and temperatures relevant to fast reactor operation, the microstructure evolves by dislocation loop formation and growth, microchemistry changes due to radiation-induced segregation, radiation-induced precipitation, destabilization of the existing precipitate structure, and in some cases, void formation and growth. These processes do not occur independently; rather, their evolution is highly interlinked. Radiationinduced segregation of Cr and existing chromium carbide coverage in irradiated alloy T91 track each other closely. The radiation-induced precipitation of Ni-Si precipitates and RIS of Ni and Si in alloys T91 and HCM12A are likely related. Neither the evolution of these processes nor their coupling is understood under the conditions required for materials performance in fast reactors (temperature range 300-600°C and doses beyond 200 dpa). Further, predictive modeling is not yet possible as models for microstructure evolution must be developed along with experiments to characterize these key processes and provide tools for extrapolation. To extend the range of operation of nuclear fuel cladding and structural materials in advanced nuclear energy and transmutation systems to that required for the fast reactor, the irradiation-induced evolution of the microstructure, microchemistry, and the associated mechanical properties at relevant temperatures and doses must be understood. Predictive modeling relies on an understanding of the physical processes and also on the development of microstructure and microchemical models to describe their evolution under irradiation. This project will focus on modeling microstructural and microchemical evolution of irradiated alloys by performing detailed modeling of such microstructure evolution processes coupled with well-designed in situ experiments that can provide validation and benchmarking to the computer codes. The broad scientific and technical objectives of this proposal are to evaluate the microstructure and microchemical evolution in advanced ferritic/martensitic and oxide dispersion strengthened (ODS) alloys for cladding and duct reactor materials under long-term and elevated temperature irradiation, leading to improved ability to model structural materials performance and lifetime. Specifically, we propose four research thrusts, namely Thrust 1: Identify the formation mechanism and evolution for dislocation loops with Burgers vector of a<100> and determine whether the defect microstructure (predominately dislocation loop/dislocation density) saturates at high dose. Thrust 2: Identify whether a threshold irradiation temperature or dose exists for the nucleation of growing voids that mark the beginning of irradiation-induced swelling, and begin to probe the limits of thermal stability of the tempered Martensitic structure under irradiation. Thrust 3: Evaluate the stability of nanometer sized Y- Ti-O based oxide dispersion strengthened (ODS) particles at high fluence/temperature. Thrust 4: Evaluate the extent to which precipitates form and/or dissolve as a function of irradiation temperature and dose, and how these changes are driven by radiation induced segregation and microchemical evolutions and determined by the initial microstructure.

  6. Upscaling of Long-Term U9VI) Desorption from Pore Scale Kinetics to Field-Scale Reactive Transport Models

    SciTech Connect (OSTI)

    Andy Miller

    2009-01-25

    Environmental systems exhibit a range of complexities which exist at a range of length and mass scales. Within the realm of radionuclide fate and transport, much work has been focused on understanding pore scale processes where complexity can be reduced to a simplified system. In describing larger scale behavior, the results from these simplified systems must be combined to create a theory of the whole. This process can be quite complex, and lead to models which lack transparency. The underlying assumption of this approach is that complex systems will exhibit complex behavior, requiring a complex system of equations to describe behavior. This assumption has never been tested. The goal of the experiments presented is to ask the question: Do increasingly complex systems show increasingly complex behavior? Three experimental tanks at the intermediate scale (Tank 1: 2.4m x 1.2m x 7.6cm, Tank 2: 2.4m x 0.61m x 7.6cm, Tank 3: 2.4m x 0.61m x 0.61m (LxHxW)) have been completed. These tanks were packed with various physical orientations of different particle sizes of a uranium contaminated sediment from a former uranium mill near Naturita, Colorado. Steady state water flow was induced across the tanks using constant head boundaries. Pore water was removed from within the flow domain through sampling ports/wells; effluent samples were also taken. Each sample was analyzed for a variety of analytes relating to the solubility and transport of uranium. Flow fields were characterized using inert tracers and direct measurements of pressure head. The results show that although there is a wide range of chemical variability within the flow domain of the tank, the effluent uranium behavior is simple enough to be described using a variety of conceptual models. Thus, although there is a wide range in variability caused by pore scale behaviors, these behaviors appear to be smoothed out as uranium is transported through the tank. This smoothing of uranium transport behavior transcends many of the physical and chemical heterogeneities added to the tank experiments.

  7. Short and Long-Term Perspectives: The Impact on Low-Income Consumers of Forecasted Energy Price Increases in 2008 and A Cap & Trade Carbon Policy in 2030

    SciTech Connect (OSTI)

    Eisenberg, Joel Fred [ORNL

    2008-01-01

    The Department of Energy's Energy Information Administration (EIA) recently released its short-term forecast for residential energy prices for the winter of 2007-2008. The forecast indicates increases in costs for low-income consumers in the year ahead, particularly for those using fuel oil to heat their homes. In the following analysis, the Oak Ridge National Laboratory has integrated the EIA price projections with the Residential Energy Consumption Survey (RECS) for 2001 in order to project the impact of these price increases on the nation's low-income households by primary heating fuel type, nationally and by Census Region. The report provides an update of bill estimates provided in a previous study, "The Impact Of Forecasted Energy Price Increases On Low-Income Consumers" (Eisenberg, 2005). The statistics are intended for use by policymakers in the Department of Energy's Weatherization Assistance Program and elsewhere who are trying to gauge the nature and severity of the problems that will be faced by eligible low-income households during the 2008 fiscal year. In addition to providing expenditure forecasts for the year immediately ahead, this analysis uses a similar methodology to give policy makers some insight into one of the major policy debates that will impact low-income energy expenditures well into the middle decades of this century and beyond. There is now considerable discussion of employing a cap-and-trade mechanism to first limit and then reduce U.S. emissions of carbon into the atmosphere in order to combat the long-range threat of human-induced climate change. The Energy Information Administration has provided an analysis of projected energy prices in the years 2020 and 2030 for one such cap-and-trade carbon reduction proposal that, when integrated with the RECS 2001 database, provides estimates of how low-income households will be impacted over the long term by such a carbon reduction policy.

  8. Wind energy, with an annual growth of about 30%, represents one of the fastest growing renewable energy sources. Continuous long-term monitoring of wind turbines can greatly reduce maintenance

    E-Print Network [OSTI]

    Stanford University

    renewable energy sources. Continuous long-term monitoring of wind turbines can greatly reduce maintenance the profitability of wind turbines. A decentralized wind turbine monitoring system has been developed and installed on a 500 kW wind turbine in Germany. During its operation, temporary malfunctions of the installed sensing

  9. Collaborative methods in social movement organizing : a case study of long-term alliance development and energy efficiency planning in Massachusetts

    E-Print Network [OSTI]

    Mackres, Eric Benjamin

    2010-01-01

    Some social movement organizations have begun to use collaborative methods to create decentralized network power for shared action through long-term alliance development and participation in collaborative public decision-making ...

  10. MAXI INVESTIGATION INTO THE LONG-TERM X-RAY VARIABILITY FROM THE VERY-HIGH-ENERGY ?-RAY BLAZAR Mrk 421

    SciTech Connect (OSTI)

    Isobe, Naoki [Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA) 3-1-1 Yoshinodai, Chuo-ku, Sagamihara, Kanagawa 252-5210 (Japan); Sato, Ryosuke; Ueda, Yoshihiro; Hayashida, Masaaki; Shidatsu, Megumi; Kawamuro, Taiki [Department of Astronomy, Kyoto University, Kitashirakawa-Oiwake-cho, Sakyo-ku, Kyoto 606-8502 (Japan); Ueno, Shiro; Matsuoka, Masaru [ISS Science Project Office, Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA), 2-1-1 Sengen, Tsukuba, Ibaraki 305-8505 (Japan); Sugizaki, Mutsumi; Sugimoto, Juri; Mihara, Tatehiro [MAXI team, Institute of Physical and Chemical Research (RIKEN), 2-1 Hirosawa, Wako, Saitama 351-0198 (Japan); Negoro, Hitoshi, E-mail: n-isobe@ir.isas.jaxa.jp [Department of Physics, Nihon University, 1-8-14 Kanda-Surugadai, Chiyoda-ku, Tokyo 101-8308 (Japan)

    2015-01-01

    The archetypical very-high-energy ?-ray blazar Mrk 421 was monitored for more than three years with the Gas Slit Camera on board Monitor of All Sky X-ray Image (MAXI), and its long-term X-ray variability was investigated. The MAXI light curve in the 3-10 keV range was transformed into the periodogram in the frequency range f = 1 × 10{sup –8}-2 × 10{sup –6} Hz. The artifacts on the periodogram, resulting from data gaps in the observed light curve, were extensively simulated for variations with a power-law-like power spectrum density (PSD). By comparing the observed and simulated periodograms, the PSD index was evaluated as ? = 1.60 ± 0.25. This index is smaller than that obtained in the higher-frequency range (f ? 1 × 10{sup –5} Hz), namely, ? = 2.14 ± 0.06 in the 1998 ASCA observation of the object. The MAXI data impose a lower limit on the PSD break at f {sub b} = 5 × 10{sup –6} Hz, consistent with the break of f {sub b} = 9.5 × 10{sup –6} Hz suggested from the ASCA data. The low-frequency PSD index of Mrk 421 derived with MAXI falls well within the range of typical values among nearby Seyfert galaxies (? = 1-2). The physical implications from these results are briefly discussed.

  11. Assessments of long-term uranium supply availability

    E-Print Network [OSTI]

    Zaterman, Daniel R

    2009-01-01

    The future viability of nuclear power will depend on the long-term availability of uranium. A two-form uranium supply model was used to estimate the date at which peak production will occur. The model assumes a constant ...

  12. Long-term Contract Information and Registrations

    Office of Energy Efficiency and Renewable Energy (EERE)

    DOE/FE orders granting long-term authorization to export liquefied natural gas by vessel require authorization holders to file long-term contract information with DOE/FE for LNG exports and long...

  13. Long-Term Wind Power Variability

    SciTech Connect (OSTI)

    Wan, Y. H.

    2012-01-01

    The National Renewable Energy Laboratory started collecting wind power data from large commercial wind power plants (WPPs) in southwest Minnesota with dedicated dataloggers and communication links in the spring of 2000. Over the years, additional WPPs in other areas were added to and removed from the data collection effort. The longest data stream of actual wind plant output is more than 10 years. The resulting data have been used to analyze wind power fluctuations, frequency distribution of changes, the effects of spatial diversity, and wind power ancillary services. This report uses the multi-year wind power data to examine long-term wind power variability.

  14. Long-Term Stewardship Baseline Report and Transition Guidance

    SciTech Connect (OSTI)

    Kristofferson, Keith

    2001-11-01

    Long-term stewardship consists of those actions necessary to maintain and demonstrate continued protection of human health and the environment after facility cleanup is complete. As the Department of Energy’s (DOE) lead laboratory for environmental management programs, the Idaho National Engineering and Environmental Laboratory (INEEL) administers DOE’s long-term stewardship science and technology efforts. The INEEL provides DOE with technical, and scientific expertise needed to oversee its long-term environmental management obligations complexwide. Long-term stewardship is administered and overseen by the Environmental Management Office of Science and Technology. The INEEL Long-Term Stewardship Program is currently developing the management structures and plans to complete INEEL-specific, long-term stewardship obligations. This guidance document (1) assists in ensuring that the program leads transition planning for the INEEL with respect to facility and site areas and (2) describes the classes and types of criteria and data required to initiate transition for areas and sites where the facility mission has ended and cleanup is complete. Additionally, this document summarizes current information on INEEL facilities, structures, and release sites likely to enter long-term stewardship at the completion of DOE’s cleanup mission. This document is not intended to function as a discrete checklist or local procedure to determine readiness to transition. It is an overarching document meant as guidance in implementing specific transition procedures. Several documents formed the foundation upon which this guidance was developed. Principal among these documents was the Long-Term Stewardship Draft Technical Baseline; A Report to Congress on Long-Term Stewardship, Volumes I and II; Infrastructure Long-Range Plan; Comprehensive Facility Land Use Plan; INEEL End-State Plan; and INEEL Institutional Plan.

  15. Development and Update of Models for Long-Term Energy and GHG Impact Evaluation

    Broader source: Energy.gov [DOE]

    2013 DOE Hydrogen and Fuel Cells Program and Vehicle Technologies Program Annual Merit Review and Peer Evaluation Meeting

  16. Application of Inverse Models for Long-Term-Energy-Monitoring in the German Enbau: Monitor Project 

    E-Print Network [OSTI]

    Neumann, C.; Herkel, S.; Lohnert, G.; Voss, K.; Wagner, A.

    2006-01-01

    " that supports the planning and evaluation of demonstration projects. enbau:monitor, as the related accompanying project, documents and analyzes these projects on a common platform. in the framework of enbau:monitor, two different monitoring phases were defined...

  17. Revisiting the parameterization of potential evaporation as a driver of long-term water balance trends

    E-Print Network [OSTI]

    Dai, Aiguo

    /or Runoff. Most regions in the world lie in the continuum between the water and energy limits, reachingRevisiting the parameterization of potential evaporation as a driver of long-term water balance, evaporative flux and runoff simulated by the water balance model underlying the Palmer Drought Severity Index

  18. Managing Records for the Long Term - 12363

    SciTech Connect (OSTI)

    Montgomery, John V. [U.S. Department of Energy, Office of Legacy Management, Morgantown, West Virginia (United States); Gueretta, Jeanie [U.S. Department of Energy, Office of Legacy Management, Grand Junction, Colorado (United States)

    2012-07-01

    The U.S. Department of Energy (DOE) is responsible for managing vast amounts of information documenting historical and current operations. This information is critical to the operations of the DOE Office of Legacy Management. Managing legacy records and information is challenging in terms of accessibility and changing technology. The Office of Legacy Management is meeting these challenges by making records and information management an organizational priority. The Office of Legacy Management mission is to manage DOE post-closure responsibilities at former Cold War weapons sites to ensure the future protection of human health and the environment. These responsibilities include environmental stewardship and long-term preservation and management of operational and environmental cleanup records associated with each site. A primary organizational goal for the Office of Legacy Management is to 'Preserve, Protect, and Share Records and Information'. Managing records for long-term preservation is an important responsibility. Adequate and dedicated resources and management support are required to perform this responsibility successfully. Records tell the story of an organization and may be required to defend an organization in court, provide historical information, identify lessons learned, or provide valuable information for researchers. Loss of records or the inability to retrieve records because of poor records management processes can have serious consequences and even lead to an organisation's downfall. Organizations must invest time and resources to establish a good records management program because of its significance to the organization as a whole. The Office of Legacy Management will continue to research and apply innovative ways of doing business to ensure that the organization stays at the forefront of effective records and information management. DOE is committed to preserving records that document our nation's Cold War legacy, and the Office of Legacy Management will keep records management as a high priority. (authors)

  19. Forecasting long-term gas production Luis Cueto-Felguerosoa

    E-Print Network [OSTI]

    Patzek, Tadeusz W.

    are transforming the United States economy and its energy outlook. Back in 2005, the US Energy Information Adminis in the global energy system (3). Estimates of long-term production and technically re- coverable resources are by increasing the length of a single well within the gas-bearing shale. Hydraulic fracturing, or "fracking" (9

  20. A Multi-Model Analysis of the Regional and Sectoral Roles of Bioenergy in Near- and Long-Term CO2 Emissions

    SciTech Connect (OSTI)

    Calvin, Katherine V.; Wise, Marshall A.; Klein, David; McCollum, David; Tavoni, Massimo; van der Zwaan, Bob; Van Vuuren, Detlef

    2013-11-01

    We study the near term and the longer term the contribution of bioenergy in different LIMITS scenarios as modeled by the participating models in the LIMITS project. With These scenarios have proven useful for exploring a range of outcomes for bioenergy use in response to both regionally diverse near term policies and the transition to a longer-term global mitigation policy and target. The use of several models has provided a source of heterogeneity in terms of incorporating uncertain assumptions about future socioeconomics and technology, as well as different paradigms for how the world may respond to policies. The results have also highlighted the heterogeneity and versatility of bioenergy itself, with different types of resources and applications in several energy sectors. In large part due to this versatility, the contribution of bioenergy to climate mitigation is a robust response across all models, despite their differences.

  1. Long-Term Stewardship Study

    Energy Savers [EERE]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on DeliciousMathematicsEnergyInterested Parties - WAPA PublicLED1,400 Jobs | Department ofEnergyAlgal

  2. Long-Term Stewardship Program Science and Technology Requirements

    SciTech Connect (OSTI)

    Joan McDonald

    2002-09-01

    Many of the United States’ hazardous and radioactively contaminated waste sites will not be sufficiently remediated to allow unrestricted land use because funding and technology limitations preclude cleanup to pristine conditions. This means that after cleanup is completed, the Department of Energy will have long-term stewardship responsibilities to monitor and safeguard more than 100 sites that still contain residual contamination. Long-term stewardship encompasses all physical and institutional controls, institutions, information, and other mechanisms required to protect human health and the environment from the hazards remaining. The Department of Energy Long-Term Stewardship National Program is in the early stages of development, so considerable planning is still required to identify all the specific roles and responsibilities, policies, and activities needed over the next few years to support the program’s mission. The Idaho National Engineering and Environmental Laboratory was tasked with leading the development of Science and Technology within the Long-Term Stewardship National Program. As part of that role, a task was undertaken to identify the existing science and technology related requirements, identify gaps and conflicts that exist, and make recommendations to the Department of Energy for future requirements related to science and technology requirements for long-term stewardship. This work is summarized in this document.

  3. Long Term Roadmap for DPNC September 2003

    E-Print Network [OSTI]

    Schibler, Ueli

    Long Term Roadmap for DPNC September 2003 Particle physics is the science to study, at the most experiments, we will organize the roadmap in three paths (the experiments in bold type are those in which

  4. Long term prisoners’ accounts of their sentence 

    E-Print Network [OSTI]

    Schinkel, Marguerite Lucile

    2013-07-02

    This thesis examines how long-term prisoners make sense of their sentence: what they see as its purpose, whether they think it fair and how they integrate their sentence in their life story. Its findings are based on ...

  5. Long-term corrosion testing pan.

    SciTech Connect (OSTI)

    Wall, Frederick Douglas; Brown, Neil R. (Los Alamos National Laboratory, Los Alamos, NM)

    2008-08-01

    This document describes the testing and facility requirements to support the Yucca Mountain Project long-term corrosion testing needs. The purpose of this document is to describe a corrosion testing program that will (a) reduce model uncertainty and variability, (b) reduce the reliance upon overly conservative assumptions, and (c) improve model defensibility. Test matrices were developed for 17 topical areas (tasks): each matrix corresponds to a specific test activity that is a subset of the total work performed in a task. A future document will identify which of these activities are considered to be performance confirmation activities. Detailed matrices are provided for FY08, FY09 and FY10 and rough order estimates are provided for FY11-17. Criteria for the selection of appropriate test facilities were developed through a meeting of Lead Lab and DOE personnel on October 16-17, 2007. These criteria were applied to the testing activities and recommendations were made for the facility types appropriate to carry out each activity. The facility requirements for each activity were assessed and activities were identified that can not be performed with currently available facilities. Based on this assessment, a total of approximately 10,000 square feet of facility space is recommended to meet all future testing needs, given that all testing is consolidated to a single location. This report is a revision to SAND2007-7027 to address DOE comments and add a series of tests to address NWTRB recommendations.

  6. Long-term corrosion testing plan.

    SciTech Connect (OSTI)

    Wall, Frederick Douglas; Brown, Neil R. (Los Alamos National Laboratory, Los Alamos, NM)

    2009-02-01

    This document describes the testing and facility requirements to support the Yucca Mountain Project long-term corrosion testing program. The purpose of this document is to describe a corrosion testing program that will (a) reduce model uncertainty and variability, (b) reduce the reliance upon overly conservative assumptions, and (c) improve model defensibility. Test matrices were developed for 17 topical areas (tasks): each matrix corresponds to a specific test activity that is a subset of the total work performed in a task. A future document will identify which of these activities are considered to be performance confirmation activities. Detailed matrices are provided for FY08, FY09 and FY10 and rough order estimates are provided for FY11-17. Criteria for the selection of appropriate test facilities were developed through a meeting of Lead Lab and DOE personnel on October 16-17, 2007. These criteria were applied to the testing activities and recommendations were made for the facility types appropriate to carry out each activity. The facility requirements for each activity were assessed and activities were identified that can not be performed with currently available facilities. Based on this assessment, a total of approximately 10,000 square feet of facility space is recommended to accommodate all future testing, given that all testing is consolidated to a single location. This report is a revision to SAND2008-4922 to address DOE comments.

  7. Over 150 years of long-term fertilization alters spatial scaling...

    Office of Scientific and Technical Information (OSTI)

    Prev Next Title: Over 150 years of long-term fertilization alters spatial scaling of microbial biodiversity You are accessing a document from the Department of Energy's...

  8. Zambia : long-term generation expansion study - executive summary.

    SciTech Connect (OSTI)

    Conzelmann, G.; Koritarov, V.; Buehring, W.; Veselka, T.; Decision and Information Sciences

    2008-02-28

    The objective of this study is to analyze possible long-term development options of the Zambian electric power system in the period up to 2015. The analysis involved the hydro operations studies of the Zambezi river basin and the systems planning studies for the least-cost generation expansion planning. Two well-known and widely accepted computer models were used in the analysis: PC-VALORAGUA model for the hydro operations and optimization studies and the WASP-III Plus model for the optimization of long-term system development. The WASP-III Plus model is a part of the Argonne National Laboratory's Energy and Power Evaluation Model (ENPEP). The analysis was conducted in close collaboration with the Zambia Electricity Supply Corporation (ZESCO). On the initiative from The World Bank, the sponsor of the study, ZESCO formed a team of experts that participated in the analysis and were trained in the use of computer models. Both models were transferred to ZESCO free of charge and installed on several computers in the ZESCO corporate offices in Lusaka. In September-October 1995, two members of the ZESCO National Team participated in a 4-week training course at Argonne National Laboratory near Chicago, U.S.A., focusing on the long-term system expansion planning using the WASP and VALORAGUA models. The hydropower operations studies were performed for the whole Zambezi river basin, including the full installation of the Kariba power station, and the Cahora Bassa hydro power station in Mozambique. The analysis also included possible future projects such as Itezhi-Tezhi, Kafue Gorge Lower, and Batoka Gorge power stations. As hydropower operations studies served to determine the operational characteristics of the existing and future hydro power plants, it was necessary to simulate the whole Zambezi river basin in order to take into account all interactions and mutual influences between the hydro power plants. In addition, it allowed for the optimization of reservoir management and optimization of hydro cascades, resulting in the better utilization of available hydro potential. Numerous analyses were performed for different stages of system development. These include system configurations that correspond to years 1997, 2001, 2015 and 2020. Additional simulations were performed in order to determine the operational parameters of the three existing hydro power stations Victoria Falls, Kariba, and Kafue Gorge Upper, that correspond to the situation before and after their rehabilitation. The rehabilitation works for these three major power stations, that would bring their operational parameters and availability back to the design level, are planned to be carried out in the period until 2000. The main results of the hydro operations studies are presented in Table ES-1. These results correspond to VALORAGUA simulations of system configurations in the years 2001 and 2015. The minimum, average, and maximum electricity generation is based on the simulation of monthly water inflows that correspond to the chronological series of unregulated water inflows at each hydro profile in the period from April 1961 to March 1990. The recommended hydrology dataset provided in the Hydrology Report of the SADC Energy Project AAA 3.8 was used for this study.

  9. Long-term surveillance plan for the South Clive disposal site Clive, Utah

    SciTech Connect (OSTI)

    NONE

    1997-09-01

    This long-term surveillance plan (LTSP) describes the U.S. Department of Energy`s (DOE) long-term care program for the Uranium Mill Tailings Remedial Action (UMTRA) Project South Clive disposal site in Clive, Utah. This LSTP describes the long-term surveillance program the DOE will implement to ensure the South Clive disposal site performs as designed and is cared for in a manner that protects the public health and safety and the environment. Before each disposal site is licensed for custody and long-term care, the Nuclear Regulatory Commission (NRC) requires the DOE to submit such a site-specific LTSP.

  10. Long-term surveillance plan for the Mexican Hat disposal site Mexican Hat, Utah

    SciTech Connect (OSTI)

    NONE

    1997-06-01

    This long-term surveillance plan (LTSP) describes the U.S. Department of Energy`s (DOE) long-term care program for the Uranium Mill Tailings Remedial Action (UMTRA) Project Mexican Hat, Utah, disposal site. This LSTP describes the long-term surveillance program the DOE will implement to ensure the Mexican Hat disposal site performs as designed and is cared for in a manner that protects the public health and safety and the environment. Before each disposal site is licensed for custody and long-term care, the Nuclear Regulatory Commission (NRC) requires the DOE to submit such a site-specific LTSP.

  11. Achieving Very High Efficiency and Net Zero Energy in an Existing Home in a Hot-Humid Climate: Long-Term Utility and Monitoring Data (Revised)

    SciTech Connect (OSTI)

    Parker, D.; Sherwin, J.

    2012-10-01

    This study summarizes the first six months of detailed data collected on a single family home that experienced a series of retrofits targeting reductions in energy use. The project was designed to develop data on how envelope modifications and renewable measures can result in considerable energy reductions and potentially net zero energy for an existing home. Originally published in February 2012, this revised version of the report contains further research conducted on the Parker residence. Key updates include one full year of additional data, an analysis of cooling performance of the mini-split heat pump, an evaluation of room-to-room temperature distribution, and an evaluation of plug-in automobile charging performance, electricity consumption, and load shape.

  12. Achieving Very High Efficiency and Net Zero Energy in an Existing Home in a Hot-Humid Climate. Long-Term Utility and Monitoring Data

    SciTech Connect (OSTI)

    Parker, D.

    2012-10-01

    This study summarizes the first six months of detailed data collected on a single family home that experienced a series of retrofits targeting reductions in energy use. The project was designed to develop data on how envelope modifications and renewable measures can result in considerable energy reductions and potentially net zero energy for an existing home. Originally published in February 2012, this revised version of the report contains further research conducted on the Parker residence. Key updates include one full year of additional data, an analysis of cooling performance of the mini-split heat pump, an evaluation of room-to-room temperature distribution, and an evaluation of plug-in automobile charging performance, electricity consumption, and load shape.

  13. Long-Term Results from Evaluation of Advanced New Construction...

    Office of Scientific and Technical Information (OSTI)

    Long-Term Results from Evaluation of Advanced New Construction Packages in Test Homes: Lake Elsinore, California Re-direct Destination: This report presents the long-term...

  14. Hydrogen Storage Technologies: Long-Term Commercialization Approach...

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

    Technologies: Long-Term Commercialization Approach with First Products First Hydrogen Storage Technologies: Long-Term Commercialization Approach with First Products First Presented...

  15. Los Alamos National Laboratory: Long-Term Environmental Stewardship...

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

    Environmental Stewardship Long-Term Strategy for Environmental Stewardship and Sustainability Long-Term Strategy for Environmental Stewardship and Sustainability (pdf) From...

  16. Long-term investigation of microbial fuel cells treating primary sludge or digested sludge

    E-Print Network [OSTI]

    : Microbial fuel cell Primary sludge Digested sludge Energy Biogas a b s t r a c t The long-term performance and energy recovery. The use of microbial fuel cells (MFCs) is a promising approach for direct productionLong-term investigation of microbial fuel cells treating primary sludge or digested sludge Zheng Ge

  17. Long-term changes in Saturn's troposphere

    SciTech Connect (OSTI)

    Trafton, L.

    1985-09-01

    Attention is given to the results of a long term monitoring study of Saturn's H/sub 2/ quadrupole and CH/sub 4/ band absorptions outside the equatorial zone, over an interval of half a Saturn year that covers most of the perihelion half of Saturn's elliptical orbit (which is approximately bounded by the equinoxes). Marked long term changes are noted in the CH/sub 4/ absorption, accompanied by weakly opposite changes in the H/sub 2/ absorption. Seasonal changes are inferred on the basis of temporal variations in absorption. Spatial measurements have also been made in the 6450 A NH/sub 3/ band since the 1980 equinox. 42 references.

  18. Long-term surveillance plan for the Mexican Hat disposal site, Mexican Hat, Utah

    SciTech Connect (OSTI)

    NONE

    1996-01-01

    This plan describes the long-term surveillance activities for the Uranium Mill Tailings Remedial Action (UMTRA) Project disposal site at Mexican Hat, Utah. The US Department of Energy (DOE) will carry out these activities to ensure that the disposal site continues to function as designed. This long-term surveillance plan (LTSP) was prepared as a requirement for acceptance under the US Nuclear Regulatory Commission (NRC) general license for custody and long-term care of residual radioactive material (RRM). This LTSPC documents the land ownership interests and details how the long-term care of the disposal site will be accomplished.

  19. DOE - Fossil Energy: 2011 Long Term Applications

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantityBonneville Power Administration would like submit theCovalent Bonding Low-Cost Ground8 GasDEVELOPMENTS E P I7 (2)5020008578911 -

  20. DOE - Fossil Energy: 2012 Long Term Applications

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantityBonneville Power Administration would like submit theCovalent Bonding Low-Cost Ground8 GasDEVELOPMENTS E P I7 (2)5020008578911

  1. Long Term Innovative Technologies | Department of Energy

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious RankADVANCED MANUFACTURING OFFICE INDUSTRIALU.S.Leadership on CleanUpList ofIncrease

  2. Upcoming Long-Term Operating Schedule

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity ofkandz-cm11 Outreach Home RoomPreservationBio-Inspired SolarAbout /Two0 - 19Portal UniversityUpcomingUpcoming Long-Term

  3. Long-Term Stewardship - Hanford Site

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity ofkandz-cm11 Outreach Home Room NewsInformationJesse BergkampCenter (LMI-EFRC)Lodging LodgingLogisticsLong-Term Stewardship

  4. Sandia National Laboratories: Long-term Stewardship

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity ofkandz-cm11 Outreach Home RoomPreservation ofAlbuquerque Albuquerque Housing Education RecreationLong-term Stewardship

  5. Collaboration in long-term stewardship at DOE Hanford Site

    SciTech Connect (OSTI)

    Moren, R. J.; Zeisloft, J. H.; Feist, E. T.; Brown, D.; Grindstaff, K. D.

    2013-01-10

    The U.S. Department of Energy's (DOE) Hanford Site comprises approximately 1,517 km{sup 2} (586 mi{sup 2}) of land in southeastern Washington. The site was established in 1943 as part of the Manhattan Project to produce plutonium for the nation's nuclear weapons program. As the Cold War era came to an end, the mission of the site transitioned from weapons production to environmental cleanup. As the River Corridor area of the site cleanup is completed, the mission for that portion of the site will transition from active cleanup to continued protection of environment through the Long-Term Stewardship (LTS) Program. The key to successful transition from cleanup to LTS is the unique collaboration among three (3) different DOE Programs and three (3) different prime contractors with each contractor having different contracts. The LTS Program at the site is a successful model of collaboration resulting in efficient resolution of issues and accelerated progress that supports DOE's Richland Office 2015 Vision for the Hanford Site. The 2015 Vision for the Hanford Site involves shrinking the active cleanup footprint of the surface area of the site to approximately 20 mi{sup 2} on the Central Plateau. Hanford's LTS Program is defined in DOE's planning document, Hanford Long-Term Stewardship Program Plan, DOE/RL-2010-35 Rev 1. The Plan defines the relationship and respective responsibilities between the federal cleanup projects and the LTS Program along with their respective contractors. The LTS Program involves these different parties (cleanup program and contractors) who must work together to achieve the objective for transition of land parcels. Through the collaborative efforts with the prime contractors on site over the past two years, 253.8 km{sup 2} (98 mi{sup 2}) of property has been successfully transitioned from the cleanup program to the LTS Program upon completion of active surface cleanup. Upcoming efforts in the near term will include transitioning another large parcel that includes one of the six (6) cocooned reactors on site. These accomplishments relied upon the transparency between DOE cleanup programs and their contractors working together to successfully transition the land while addressing the challenges that arise. All parties, the three different DOE Programs and their respective prime contractors are dedicated to working together and continuing the progress of transitioning land to LTS, in alignment with the Program Plan and compliant with contractual requirements. This paper highlights the accomplishments and collaborative efforts to address the challenges faced as work progresses from the cleanup to transitioning of land parcels to LTS Program.

  6. Prediction of long-term creep behavior of epoxy adhesives for structural applications 

    E-Print Network [OSTI]

    Feng, Chih-Wei

    2005-11-01

    under different environmental conditions. The time-temperature superposition method produces a master curve allowing the long-term creep compliance to be estimated. The physics-based Coupling model is found to fit well the long-term creep master curve...

  7. Long-Term Probability Distribution of Wind Turbine Planetary Bearing Loads (Poster)

    SciTech Connect (OSTI)

    Jiang, Z.; Xing, Y.; Guo, Y.; Dong, W.; Moan, T.; Gao, Z.

    2013-04-01

    Among the various causes of bearing damage and failure, metal fatigue of the rolling contact surface is the dominant failure mechanism. The fatigue life is associated with the load conditions under which wind turbines operate in the field. Therefore, it is important to understand the long-term distribution of the bearing loads under various environmental conditions. The National Renewable Energy Laboratory's 750-kW Gearbox Reliability Collaborative wind turbine is studied in this work. A decoupled analysis using several computer codes is carried out. The global aero-elastic simulations are performed using HAWC2. The time series of the drivetrain loads and motions from the global dynamic analysis are fed to a drivetrain model in SIMPACK. The time-varying internal pressure distribution along the raceway is obtained analytically. A series of probability distribution functions are then used to fit the long-term statistical distribution at different locations along raceways. The long-term distribution of the bearing raceway loads are estimated under different environmental conditions. Finally, the bearing fatigue lives are calculated.

  8. Long-term surveillance plan for the Mexican Hat Disposal Site, Mexican Hat, Utah

    SciTech Connect (OSTI)

    NONE

    1996-02-01

    This plan describes the long-term surveillance activities for the Uranium Mill Tailings Remedial Action (UMTRA) Project disposal site at Mexican Hat, Utah. The U.S. Department of Energy (DOE) will carry out these activities to ensure that the disposal site continues to function as designed. This long-term surveillance plan (LTSP) was prepared as a requirement for acceptance under the U.S. Nuclear Regulatory Commission (NRC) general license for custody and long-term care of residual radioactive material (RRM). This LTSP (based on the DOE`s Guidance for Implementing the UMTRA Project Long-term Surveillance Program), documents the land ownership interests and details how the long-term care of the disposal site will be accomplished.

  9. Long-term control of root growth

    DOE Patents [OSTI]

    Burton, Frederick G. (West Richland, WA); Cataldo, Dominic A. (Kennewick, WA); Cline, John F. (Prosser, WA); Skiens, W. Eugene (Richland, WA)

    1992-05-26

    A method and system for long-term control of root growth without killing the plants bearing those roots involves incorporating a 2,6-dinitroaniline in a polymer and disposing the polymer in an area in which root control is desired. This results in controlled release of the substituted aniline herbicide over a period of many years. Herbicides of this class have the property of preventing root elongation without translocating into other parts of the plant. The herbicide may be encapsulated in the polymer or mixed with it. The polymer-herbicide mixture may be formed into pellets, sheets, pipe gaskets, pipes for carrying water, or various other forms. The invention may be applied to other protection of buried hazardous wastes, protection of underground pipes, prevention of root intrusion beneath slabs, the dwarfing of trees or shrubs and other applications. The preferred herbicide is 4-difluoromethyl-N,N-dipropyl-2,6-dinitro-aniline, commonly known as trifluralin.

  10. Long term infrastructure investments under uncertainty in the electric power sector using approximate dynamic programming techniques

    E-Print Network [OSTI]

    Seelhof, Michael

    2014-01-01

    A computer model was developed to find optimal long-term investment strategies for the electric power sector under uncertainty with respect to future regulatory regimes and market conditions. The model is based on a ...

  11. Long-term surveillance plan for the Ambrosia Lake, New Mexico disposal site

    SciTech Connect (OSTI)

    NONE

    1995-11-01

    This long-term surveillance plan (LTSP) for the Uranium Mill Tailings Remedial Action (UMTRA) Project Ambrosia Lake disposal site in McKinley County, New Mexico, describes the US Department of Energy`s (DOE) long-term care program for the disposal site. The DOE will carry out this program to ensure that the disposal cell continues to function as designed. This LTSP was prepared as a requirement for acceptance under the US Nuclear Regulatory Commission (NRC) general license for custody and long-term care of residual radioactive materials.

  12. Long-term surveillance plan for the Ambrosia Lake, New Mexico disposal site

    SciTech Connect (OSTI)

    NONE

    1996-07-01

    This long-term surveillance plan (LTSP) for the Uranium Mill Tailings Remedial Action (UMTRA) Project Ambrosia Lake disposal site in McKinley County, New Mexico, describes the U.S. Department of Energy`s (DOE) long-term care program for the disposal site. The DOE will carry out this program to ensure that the disposal cell continues to function as designed. This LTSP was prepared as a requirement for acceptance under the U.S. Nuclear Regulatory Commission (NRC) general license for custody and long-term care of residual radioactive materials.

  13. Long-term surveillance plan for the Burro Canyon disposal cell, Slick Rock, Colorado

    SciTech Connect (OSTI)

    NONE

    1996-11-01

    This long-term surveillance plant (LTSP) describes the US Department of energy`s (DOE) long-term care program for the Uranium Mill Tailings Remediation Action (UMTRA) Project`s burro Canyon disposal cell in San Miguel County, Colorado. This LTSP describes the long-term surveillance program the DOE will implement to ensure that the Burro Canyon disposal cell performs as designed. The program is based on site inspections to identify threats to disposal cell integrity. No ground water monitoring will be required at the Burro Canyon disposal cell because the ground water protection strategy is supplemental standards based on low-yield from the upper-most aquifer.

  14. MMS 93-0048 Long-term Assessment

    E-Print Network [OSTI]

    Miller, Scott

    OCS Study MMS 93-0048 Long-term Assessment of the Oil Spill at Bahia Las Minas, Panama Synthesis-0048 Long-term Assessment of the Oil Spill at Bahia Las Minas, Panama Synthesis Report Volume II: Technical. and J. B. C. Jackson, eds. 1993. Long-term assessment of the oil spill at Bahia Las Minas, Panama

  15. Dynamics of the UK Natural Gas Industry: System Dynamics Modelling and Long-Term Energy Policy Analysis

    E-Print Network [OSTI]

    Chi, K. C.; Reiner, David; Nuttall, William J.

    of the allocation problem between oil and gas exploration and appraisal (E&A) drilling. The DTI “Brown Book” (DTI, 2007) reported the data on capital investment which included the total cost of exploration and appraisal drilling for oil and gas wells. To derive... the cost of gas E&A drilling alone we have calculated the share of successfully drilled gas wells against oil wells. This share gave us an approximation of investment that went on gas E&A. The methodology for calculating COE&A employed in this study...

  16. 2003 Long-Term Surveillance and Maintenance Program Report

    SciTech Connect (OSTI)

    2004-07-01

    Radioactive waste was created by the Federal Government and private industry at locations around the country in support of national defense, research, and civilian power-generation programs. If not controlled, much of this legacy waste would remain hazardous to human health and the environment indefinitely. Current technology does not allow us to render this waste harmless, so the available methods to control risk rely on consolidation, isolation, and long-term management of the waste. The U.S. Department of Energy (DOE) has an obligation to safely control the radioactive waste and to inform and train future generations to maintain and, perhaps, improve established protections. DOE is custodian for much of the radioactive and other hazardous waste under control of the Federal Government. DOE established the Formerly Utilized Sites Remedial Action Program (FUSRAP) in 1974 and the Defense Decontamination and Decommissioning (D&D) Program and the Surplus Facilities Management Program in the 1980s. Congress passed the Uranium Mill Tailings Radiation Control Act (UMTRCA) in 1978. These federal programs and legislation were established to identify, remediate, and manage legacy waste. Remedial action is considered complete at a radioactive waste site when the identified hazardous material is isolated and the selected remedial action remedy is in place and functioning. Radioactive or other hazardous materials remain in place as part of the remedy at many DOE sites. Long-term management of radioactive waste sites incorporates a set of actions necessary to maintain protection of human health and the environment. These actions include maintaining physical impoundment structures in good repair to ensure that they perform as designed, preventing exposure to the wastes by maintaining access restrictions and warnings, and recording site conditions and activities for future custodians. Any actions, therefore, that will prevent exposure to the radioactive waste now or in the future are part of long-term site management. In response to post-closure care requirements set forth in UMTRCA, DOE Headquarters established the Long-Term Surveillance and Maintenance (LTS&M) Program in 1988 at the DOE office in Grand Junction, Colorado. The program assumed long-term management responsibility for sites remediated under UMTRCA and other programs. Since its inception, the LTS&M Program has evolved in response to changing stakeholder needs, improvements in technology, and the addition of more DOE sites as remediation is completed. The mission of the LTS&M Program was to fulfill DOE’s responsibility to implement all activities necessary to ensure regulatory compliance and to protect the public and the environment from long-lived wastes associated with the nation’s nuclear energy, weapons, and research activities. Key components of the LTS&M Program included stakeholder participation, site monitoring and maintenance, records and information management, and research and technology transfer. This report presents summaries of activities conducted in 2003 in fulfillment of the LTS&M Program mission. On December 15, 2003, DOE established the Office of Legacy Management (LM) to allow for optimum management of DOE’s legacy responsibilities. Offices are located in Washington, DC, Grand Junction, Colorado, Morgantown, West Virginia, and Pittsburgh, Pennsylvania, to perform long-term site management, land management, site transition support, records management, and other related tasks. All activities formerly conducted under the LTS&M Program have been incorporated into the Office of Land and Site Management (LM–50), as well as management of remedies involving ground water and surface water contaminated by former processing activities.

  17. Do Firms Underinvest in Long-Term Research? Evidence from Cancer Clinical Trials

    E-Print Network [OSTI]

    Budish, Eric

    We investigate whether private research investments are distorted away from long-term projects. Our theoretical model highlights two potential sources of this distortion: short-termism and the fixed patent term. Our empirical ...

  18. Evidence of Pressure Dependent Permeability in Long-Term Shale Gas Production and Pressure Transient Responses 

    E-Print Network [OSTI]

    Vera Rosales, Fabian 1986-

    2012-12-11

    The current state of shale gas reservoir dynamics demands understanding long-term production, and existing models that address important parameters like fracture half-length, permeability, and stimulated shale volume assume constant permeability...

  19. Coordinated Approaches to Quantify Long-Term Ecosystem Dynamics in Response to Global Change

    SciTech Connect (OSTI)

    Luo, Yiqi [University of Oklahoma; Beier, Claus [Riso National Laboratory, Roskilde, Denmark; Classen, Aimee T [University of Tennessee, Knoxville (UTK); Norby, Richard J [ORNL

    2011-01-01

    Many serious ecosystem consequences of climate change will take decades or even 50 centuries to emerge. Long-term ecological responses to global change are strongly regulated by 51 slow processes, such as changes in species composition, carbon dynamics in soil and by long-52 lived plants, and accumulation of nutrient capitals. Understanding and predicting these processes 53 requires experiments on decadal time scales. But decadal experiments by themselves may not be 54 adequate because many of the slow processes have characteristic time scales much longer than 55 experiments can be maintained. This article promotes a coordinated approach that combines 56 long-term, large-scale global change experiments with process studies and modeling. Long-term 57 global change manipulative experiments, especially in high-priority ecosystems such as tropical 58 forests and high-latitude regions, are essential to maximize information gain concerning future 59 states of the earth system. The long-term experiments should be conducted in tandem with 60 complementary process studies, such as those using model ecosystems, species replacements, 61 laboratory incubations, isotope tracers, and greenhouse facilities. Models are essential to 62 assimilate data from long-term experiments and process studies together with information from 63 long-term observations, surveys, and space-for-time studies along environmental and biological 64 gradients. Future research programs with coordinated long-term experiments, process studies, 65 and modeling have the potential to be the most effective strategy to gain the best information on 66 long-term ecosystem dynamics in response to global change. 67 68

  20. Long-term surveillance plan for the Collins Ranch Disposal Site, Lakeview, Oregon. Revision 2

    SciTech Connect (OSTI)

    Not Available

    1993-12-01

    This long-term surveillance plan (LTSP) for the Lakeview, Oregon, Uranium Mill Tailings Remedial Action (UMTRA) Project disposal site describes the surveillance activities for the Lakeview (Collins Ranch) disposal cell, which will be referred to as the Collins Ranch disposal cell throughout this document. The US Department of Energy (DOE) will carry out these activities to ensure that the disposal cell continues to function as designed. This final LTSP was prepared as a requirement for acceptance under the US Nuclear Regulatory Commission (NRC) general license for custody and long-term care of residual radioactive materials. This LTSP documents whether the land and interests are owned by the United States or an Indian tribe, and details how the long-term care of the disposal site will be carried out. It is based on the DOE`s Guidance for Implementing the UMTRA Project Long-term Surveillance Program (DOE, 1992a).

  1. Long-term surveillance plan for the Collins Ranch disposal site, Lakeview, Oregon

    SciTech Connect (OSTI)

    Not Available

    1994-08-01

    This long-term surveillance plan (LTSP) for the Uranium Mill Tailings Remedial Action (UMTRA) Project Collins Ranch disposal site, Lakeview, Oregon, describes the surveillance activities for the disposal cell. The U.S. Department of Energy (DOE) will carry out these activities to ensure that the disposal cell continues to function as designed. This final LTSP was prepared as a requirement for acceptance under the U.S. Nuclear Regulatory Commission (NRC) general license for custody and long-term care of residual radioactive materials. This LTSP documents whether the land and interests are owned by the United States and details how long-term care of the disposal site will be carried out. It is based on the DOE`s Guidance for Implementing the UMTRA Project Long-term Surveillance Program (DOE, 1992a).

  2. Long-term surveillance plan for the Shiprock Disposal site, Shiprock, New Mexico

    SciTech Connect (OSTI)

    Not Available

    1994-09-01

    The long-term surveillance plan (LTSP) for the Shiprock, New Mexico, Uranium Mill Tailings Remedial Action (UMTRA) Project disposal site describes the surveillance activities for the Shiprock disposal cell. The U.S. Department of Energy (DOE) will carry out these activities to ensure that the disposal cell continues to function as designed. This final LTSP was prepared as a requirement for acceptance under the U.S. Nuclear Regulatory Commission (NRC) general license for custody and long-term care of residual radioactive materials (RRM). This LTSP documents the land ownership interests and details how the long-term care of the disposal site will be carried out. It is based on the DOE`s Guidance for Implementing the UMTRA Project Long-term Surveillance Program (DOE, 1992a).

  3. Long-term Surveillance Plan for the Falls City Disposal Site, Falls City, Texas. Revision 1

    SciTech Connect (OSTI)

    NONE

    1995-08-01

    This long-term surveillance plan (LTSP) for the Uranium Mill Tailings Remedial Action (UMTRA) Project Falls City disposal site, Falls City, Texas, describes the surveillance activities for the disposal site. The US Department of Energy (DOE) will carry out these activities to ensure that the disposal cell continues to function as designed. This LTSP was prepared as a requirement for acceptance under the US Nuclear Regulatory Commission (NRC) general license for custody and long-term care of residual radioactive materials. This LTSP documents whether the land and interests are owned by the United States and details how long-term care of the disposal site will be carried out. It is based on the DOE`s Guidance for Implementing the UMTRA Project Long-term Surveillance Program (DOE, 1992a).

  4. Long Term Environment and Economic Impacts of Coal Liquefaction...

    Office of Scientific and Technical Information (OSTI)

    Long Term Environment and Economic Impacts of Coal Liquefaction in China Fletcher, Jerald 01 COAL, LIGNITE, AND PEAT The project currently is composed of six specific tasks - three...

  5. Strontium Isotopes Test Long-Term Zonal Isolation of Injected...

    Office of Scientific and Technical Information (OSTI)

    Strontium Isotopes Test Long-Term Zonal Isolation of Injected and Marcellus Formation Water after Hydraulic Fracturing Citation Details In-Document Search Title: Strontium Isotopes...

  6. Hydrogen Storage Technologies: Long-Term Commercialization Approach...

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

    Technologies Long-term commercialization approach with first products first Hydrogen and Fuel Cell Technologies Manufacturing R&D Workshop Washington, DC Glenn Rambach August 11,...

  7. An Analytical Framework for Long Term Policy for Commercial Deployment...

    Open Energy Info (EERE)

    An Analytical Framework for Long Term Policy for Commercial Deployment and Innovation in Carbon Capture and Sequestration Technology in the United States Jump to: navigation,...

  8. Constraints On The Mechanism Of Long-Term, Steady Subsidence...

    Open Energy Info (EERE)

    Constraints On The Mechanism Of Long-Term, Steady Subsidence At Medicine Lake Volcano, Northern California, From Gps, Leveling, And Insar Jump to: navigation, search OpenEI...

  9. Experimental apparatus and software design for dynamic long-term...

    Office of Scientific and Technical Information (OSTI)

    Experimental apparatus and software design for dynamic long-term reliability testing of a spring-mass MEMS device. Citation Details In-Document Search Title: Experimental apparatus...

  10. M MS 93-0047 Long-term Assessment

    E-Print Network [OSTI]

    Miller, Scott

    OCS Study M MS 93-0047 Long-term Assessment of the Oil Spill at Bahia Las Minas, Panama Synthesis-term Assessment of the Oil Spill at Bahia Las Minas, Synthesis Report Panama Volume I: Executive Summary Editors. Jackson, eds. 1993. Long-term assessment of the oil spill at Bahia Las Minas, Panama, synthesis report

  11. MMS 93-0048 Long-term Assessment

    E-Print Network [OSTI]

    Miller, Scott

    OCS Study MMS 93-0048 Long-term Assessment of the Oil Spill at Bahia Las Minas, Panama Synthesis Service Gulf of Mexico OCS Region #12;OCS Study MMS 93-0048 bong-term Assessment of the Oil Spill at Bahia. Long-term assessment of the oil spill at Bahia Las Minas, Panama, synthesis report, volume II

  12. LONG-TERM SOLAR CYCLE EVOLUTION: REVIEW OF RECENT DEVELOPMENTS

    E-Print Network [OSTI]

    Usoskin, Ilya G.

    LONG-TERM SOLAR CYCLE EVOLUTION: REVIEW OF RECENT DEVELOPMENTS I. G. USOSKIN1 and K. MURSULA2 1 September 2003) Abstract. The sunspot number series forms the longest directly observed index of solar of the recent achievements and findings in long-term evolution of solar activity cycles such as determinism

  13. Long-term outlook for engineered wood products in Europe

    E-Print Network [OSTI]

    Long-term outlook for engineered wood products in Europe Heikki Manninen Technical Report 91, 2014 #12;Long-term outlook for engineered wood products in Europe Heikki Manninen Publisher: European for future oriented market research of engineered wood products (EWP) in Europe. For example, the need for CO

  14. Long-Term Nuclear Industry Outlook - 2004

    SciTech Connect (OSTI)

    Reichmuth, Barbara A.; Wood, Thomas W.; Johnson, Wayne L.

    2004-09-30

    The nuclear industry has become increasingly efficient and global in nature, but may now be poised at a crossroads between graceful decline and profound growth as a viable provider of electrical energy. Predicted population and energy-demand growth, an increased interest in global climate change, the desire to reduce the international dependence on oil as an energy source, the potential for hydrogen co-generation using nuclear power reactors, and the improved performance in the nuclear power industry have raised the prospect of a “nuclear renaissance” in which nuclear power would play an increasingly more important role in both domestic and international energy market. This report provides an assessment of the role nuclear-generated power will plan in the global energy future and explores the impact of that role on export controls.

  15. Long-Term Stewardship Resource Center FAQS

    Broader source: Energy.gov [DOE]

    By Order from the Secretary of Energy, The DOE, including the National Nuclear Security Administration must comply with Order 454.1: Use of Institutional Controls, www.directives.doe.gov/directives...

  16. Predicting the Long-Term Behavior of a Micro-Solar Power System JAEIN JEONG, Cisco Systems

    E-Print Network [OSTI]

    California at Berkeley, University of

    35 Predicting the Long-Term Behavior of a Micro-Solar Power System JAEIN JEONG, Cisco Systems DAVID CULLER, University of California, Berkeley Micro-solar power system design is challenging because it must address long-term system behavior under highly variable solar energy conditions and consider a large space

  17. Hydroelectric power provides a cheap source of electricity with few carbon emissions. Yet, reservoirs are not operated sustainably, which we define as meeting societal needs for water and power while protecting long-term health of the river ecosystem. Reservoirs that generate hydropower are typically operated with the goal of maximizing energy reve

    SciTech Connect (OSTI)

    Jager, Yetta; Smith, Brennan T

    2008-02-01

    Hydroelectric power provides a cheap source of electricity with few carbon emissions. Yet, reservoirs are not operated sustainably, which we define as meeting societal needs for water and power while protecting long-term health of the river ecosystem. Reservoirs that generate hydropower are typically operated with the goal of maximizing energy revenue, while meeting other legal water requirements. Reservoir optimization schemes used in practice do not seek flow regimes that maximize aquatic ecosystem health. Here, we review optimization studies that considered environmental goals in one of three approaches. The first approach seeks flow regimes that maximize hydropower generation, while satisfying legal requirements, including environmental (or minimum) flows. Solutions from this approach are often used in practice to operate hydropower projects. In the second approach, flow releases from a dam are timed to meet water quality constraints on dissolved oxygen (DO), temperature and nutrients. In the third approach, flow releases are timed to improve the health of fish populations. We conclude by suggesting three steps for bringing multi-objective reservoir operation closer to the goal of ecological sustainability: (1) conduct research to identify which features of flow variation are essential for river health and to quantify these relationships, (2) develop valuation methods to assess the total value of river health and (3) develop optimal control softwares that combine water balance modelling with models that predict ecosystem responses to flow.

  18. Integrating short-term demand response into long-term investment planning

    E-Print Network [OSTI]

    De Jonghe, Cedric; Hobbs, Benjamin F.; Belmans, Ronnie

    2011-03-20

    the importance of integrating short-term demand response to time-varying prices into those investment models. Three different methodologies are suggested to integrate short-term responsiveness into a long-term model assuming that consumer response can be modelled...

  19. SULFURIC ACID REMOVAL PROCESS EVALUATION: LONG-TERM RESULTS

    SciTech Connect (OSTI)

    Gary M. Blythe; Richard McMillan

    2002-07-03

    The objective of this project is to demonstrate the use of alkaline reagents injected into the furnace of coal-fired boilers as a means of controlling sulfuric acid emissions. The project is being co-funded by the U.S. DOE National Energy Technology Laboratory, under Cooperative Agreement DE-FC26-99FT40718, along with EPRI, the American Electric Power Company (AEP), FirstEnergy Corp., the Tennessee Valley Authority, and Dravo Lime, Inc. Sulfuric acid controls are becoming of increasing interest to power generators with coal-fired units for a number of reasons. Sulfuric acid is a Toxic Release Inventory species and can cause a variety of plant operation problems such as air heater plugging and fouling, back-end corrosion, and plume opacity. These issues will likely be exacerbated with the retrofit of selective catalytic reduction (SCR) for NO{sub x} control on many coal-fired plants, as SCR catalysts are known to further oxidize a portion of the flue gas SO{sub 2} to SO{sub 3}. The project previously tested the effectiveness of furnace injection of four different calcium-and/or magnesium-based alkaline sorbents on full-scale utility boilers. These reagents were tested during four one- to two-week tests conducted on two FirstEnergy Bruce Mansfield Plant (BMP) units. One of the sorbents tested was a magnesium hydroxide byproduct slurry produced from a modified Thiosorbic{reg_sign} Lime wet flue gas desulfurization system. The other three sorbents are available commercially and include dolomite, pressure-hydrated dolomitic lime, and commercial magnesium hydroxide. The dolomite reagent was injected as a dry powder through out-of-service burners, while the other three reagents were injected as slurries through air-atomizing nozzles inserted through the front wall of the upper furnace, either across from the nose of the furnace or across from the pendant superheater tubes. After completing the four one- to two-week tests, the most promising sorbents were selected for longer-term (approximately 25-day) full-scale tests on two different units. The longer-term tests were conducted to confirm the effectiveness of the sorbents tested over extended operation on two different boilers, and to determine balance-of-plant impacts. The first long-term test was conducted on FirstEnergy's BMP, Unit 3, and the second test was conducted on AEP's Gavin Plant, Unit 1. The Gavin Plant testing provided an opportunity to evaluate the effects of sorbent injected into the furnace on SO{sub 3} formed across an operating SCR reactor. This report presents the results from those long-term tests. The tests determined the effectiveness of injecting commercially available magnesium hydroxide slurry (Gavin Plant) and byproduct magnesium hydroxide slurry (both Gavin Plant and BMP) for sulfuric acid control. The results show that injecting either slurry could achieve up to 70 to 75% overall sulfuric acid removal. At BMP, this overall removal was limited by the need to maintain acceptable electrostatic precipitator (ESP) particulate control performance. At Gavin Plant, the overall sulfuric acid removal was limited because the furnace injected sorbent was less effective at removing SO{sub 3} formed across the SCR system installed on the unit for NOX control than at removing SO{sub 3} formed in the furnace. The long-term tests also determined balance-of-plant impacts from slurry injection during the two tests. These include impacts on boiler back-end temperatures and pressure drops, SCR catalyst properties, ESP performance, removal of other flue gas species, and flue gas opacity. For the most part the balance-of-plant impacts were neutral to positive, although adverse effects on ESP performance became an issue during the BMP test.

  20. Long-term surveillance plan for the Cheney disposal site near Grand Junction, Colorado

    SciTech Connect (OSTI)

    NONE

    1997-04-01

    This long-term surveillance plan (LTSP) describes the U.S. Department of Energy`s (DOE) long-term care program for the Uranium Mill Tailings Remedial Action (UMTRA) Project Cheney disposal site. The site is in Mesa County near Grand Junction, Colorado. The U.S. Nuclear Regulatory Commission (NRC) has developed regulations for the issuance of a general license for the custody and long-term care of UMTRA Project disposal sites in 10 CFR Part 40. The purpose of this general license is to ensure that the UMTRA Project disposal sites are cared for in a manner that protects public health and safety and the environment. Before each disposal site may be licensed, the NRC requires the DOE to submit a site-specific LTSP. The DOE prepared this LTSP to meet this requirement for the Cheney disposal site. The general license becomes effective when the NRC concurs with the DOE`s determination that remedial action is complete and the NRC formally accepts this plan. This document describes the long-term surveillance program the DOE will implement to ensure that the Cheney disposal site performs as designed. The program is based on site inspections to identify potential threats to disposal cell integrity. The LTSP is based on the UMTRA Project long-term surveillance program guidance and meets the requirements of 10 CFR {section}40.27(b) and 40 CFR {section}192.03.

  1. Long-term surveillance plan for the Gunnison, Colorado, disposal site

    SciTech Connect (OSTI)

    NONE

    1996-05-01

    This long-term surveillance plan (LTSP) describes the U.S. Department of Energy`s (DOE) long-term care program for the Uranium Mill Tailings Remedial Action (UMTRA) Project Gunnison disposal site in Gunnison County, Colorado. The U.S. Nuclear Regulatory Commission (NRC) has developed regulations for the issuance of a general license for the custody and long-term care of UMTRA Project disposal sites in 10 CFR Part 40. The purpose of this general license is to ensure that the UMTRA Project disposal sites will be cared for in a manner that protects the public health and safety and the environment. For each disposal site to be licensed, the NRC requires the DOE to submit a site-specific LTSP. The DOE prepared this LTSP to meet this requirement for the Gunnison disposal site. The general license becomes effective when the NRC concurs with the DOE`s determination of completion of remedial action for the Gunnison site and the NRC formally accepts this LTSP. This LTSP describes the long-term surveillance program the DOE will implement to ensure that the Gunnison disposal site performs as designed. The program is based on two distinct activities: (1) site inspections to identify threats to disposal cell integrity, and (2) ground water monitoring to demonstrate disposal cell performance. The LTSP is based on the UMTRA Project long-term surveillance program guidance and meets the requirements of 10 CFR {section}40.27(b) and 40 CFR {section}192.03.

  2. Long-term surveillance plan for the Gunnison, Colorado, disposal site

    SciTech Connect (OSTI)

    NONE

    1996-02-01

    This long-term surveillance plan (LTSP) describes the U.S. Department of Energy`s (DOE) long-term care program for the Uranium Mill Tailings Remedial Action (UMTRA) Project Gunnison disposal site in Gunnison County, Colorado. The U.S. Nuclear Regulatory Commission (NRC) has developed regulations for the issuance of a general license for the custody and long-term care of UMTRA Project disposal sites in 10 CFR Part 40. The purpose of this general license is to ensure that the UMTRA Project disposal sites will be cared for in a manner that protects the public health and safety and the environment. For each disposal site to be licensed, the NRC requires the DOE to submit a site-specific LTSP. The DOE prepared this LTSP to meet this requirement for the Gunnison disposal site. The general license becomes effective when the NRC concurs with the DOE`s determination of completion of remedial action for the Gunnison site and the NRC formally accepts this LTSP. This LTSP describes the long-term surveillance program the DOE will implement to ensure that the Gunnison disposal site performs as designed. The program is based on two distinct activities: (1) site inspections to identify threats to disposal cell integrity, and (2) ground water monitoring to demonstrate disposal cell performance. The LTSP is based on the UMTRA Project long-term surveillance program guidance and meets the requirements of 10 CFR {section}40.27(b) and 40 CFR {section}192.03.

  3. Long-term surveillance plan for the Gunnison, Colorado disposal site

    SciTech Connect (OSTI)

    NONE

    1996-04-01

    This long-term surveillance plan (LTSP) describes the U.S. Department of Energy`s (DOE) long-term care program for the Uranium Mill Tailings Remedial Action (UMTRA) Project Gunnison disposal site in Gunnison County, Colorado. The U.S. Nuclear Regulatory Commission (NRC) has developed regulations for the issuance of a general license for the custody and long-term care of UMTRA Project disposal sites in 10 CFR Part 40. The purpose of this general license is to ensure that the UMTRA Project disposal sites will be cared for in a manner that protects the public health and safety and the environment. For each disposal site to be licensed, the NRC requires the DOE to submit a site-specific LTSP. The DOE prepared this LTSP to meet this requirement for the Gunnison disposal site. The general license becomes effective when the NRC concurs with the DOE`s determination of completion of remedial action for the Gunnison site and the NRC formally accepts this LTSP. This LTSP describes the long-term surveillance program the DOE will implement to ensure that the Gunnison disposal site performs as designed. The program is based on two distinct activities: (1) site inspections to identify threats to disposal cell integrity, and (2) ground water monitoring to demonstrate disposal cell performance. The LTSP is based on the UMTRA Project long-term surveillance program guidance and meets the requirements of 10 CFR {section}40.27(b) and 40 CFR {section}192.03.

  4. Long-Term Management and Storage of Elemental Mercury | Department...

    Energy Savers [EERE]

    Mercury Long-Term Management and Storage of Elemental Mercury In addition to banning the export of elemental mercury from the United States as of January 1, 2013, the Mercury...

  5. Insuring Long-Term Care in the United States

    E-Print Network [OSTI]

    Finkelstein, Amy

    Long-term care expenditures constitute one of the largest uninsured financial risks facing the elderly in the United States and thus play a central role in determining the retirement security of elderly Americans. In this ...

  6. Acquiring firm long-term performance and governance characteristics 

    E-Print Network [OSTI]

    Breazeale, Jonathan Paul

    2004-09-30

    I examine the market reaction to merger announcements and the long-term post-merger stock price performance of newly merged firms. For a sample of 484 acquiring firms completing mergers between 1993 and 2000, the average ...

  7. Long-Term Surveillance Operations and Maintenance Fiscal Year...

    Energy Savers [EERE]

    3 Year-End Summary Report Long-Term Surveillance Operations and Maintenance Fiscal Year 2013 Year-End Summary Report LTS-O&M is at the core of LM efforts to fulfill a strategy that...

  8. Long-Term Ecological Monitoring Field Sampling Plan for 2007

    SciTech Connect (OSTI)

    T. Haney R. VanHorn

    2007-07-31

    This field sampling plan describes the field investigations planned for the Long-Term Ecological Monitoring Project at the Idaho National Laboratory Site in 2007. This plan and the Quality Assurance Project Plan for Waste Area Groups 1, 2, 3, 4, 5, 6, 7, 10, and Removal Actions constitute the sampling and analysis plan supporting long-term ecological monitoring sampling in 2007. The data collected under this plan will become part of the long-term ecological monitoring data set that is being collected annually. The data will be used t determine the requirements for the subsequent long-term ecological monitoring. This plan guides the 2007 investigations, including sampling, quality assurance, quality control, analytical procedures, and data management. As such, this plan will help to ensure that the resulting monitoring data will be scientifically valid, defensible, and of known and acceptable quality.

  9. Long-term goals for solar thermal technology

    SciTech Connect (OSTI)

    Williams, T.A.; Dirks, J.A.; Brown, D.R.

    1985-05-01

    This document describes long-term performance and cost goals for three solar thermal technologies. Pacific Northwest Laboratory (PNL) developed these goals in support of the Draft Five Year Research and Development Plan for the National Solar Thermal Technology Program (DOE 1984b). These technology goals are intended to provide targets that, if met, will lead to the widespread use of solar thermal technologies in the marketplace. Goals were developed for three technologies and two applications: central receiver and dish technologies for utility-generated electricity applications, and central receiver, dish, and trough technologies for industrial process heat applications. These technologies and applications were chosen because they are the primary technologies and applications that have been researched by DOE in the past. System goals were developed through analysis of future price projections for energy sources competing with solar thermal in the middle-to-late 1990's time frame. The system goals selected were levelized energy costs of $0.05/kWh for electricity and $9/MBtu for industrial process heat (1984 $). Component goals established to meet system goals were developed based upon projections of solar thermal component performance and cost which could be achieved in the same time frame.

  10. Long-term surveillance plan for the Lowman, Idaho, Disposal site. Revision 1

    SciTech Connect (OSTI)

    Not Available

    1994-04-01

    The long-term surveillance plan (LTSP) for the Lowman, Idaho, Uranium Mill Tailings Remedial Action (UMTRA) Project disposal site describes the surveillance activities for the Lowman disposal site, which will be referred to as the Lowman site throughout this document. The US Department of Energy (DOE) will carry out these activities to ensure that the disposal cell continues to function as designed. The radioactive sands at the Lowman site were stabilized on the site. This final LTSP is being submitted to the US Nuclear Regulatory Commission (NRC) as a requirement for issuance of a general license for custody and long-term care for the disposal site. The general license requires that the disposal cell be cared for in accordance with the provisions of this LTSP. The LTSP documents whether the land and interests are owned by the United States or a state, and describes, in detail, how the long-term care of the disposal site will be carried out through the UMTRA Project long-term surveillance program. The Lowman, Idaho, LTSP is based on the DOE`s Guidance for Implementing the UMTRA Project Long-term Surveillance Program, (DOE, 1992).

  11. Estimating long-term world coal production with logit and probit transforms David Rutledge

    E-Print Network [OSTI]

    Low, Steven H.

    Estimating long-term world coal production with logit and probit transforms David Rutledge form 27 October 2010 Accepted 27 October 2010 Available online 4 November 2010 Keywords: Coal reserves Coal resources Coal production estimates IPCC Logistic model Cumulative normal model An estimate

  12. The Present, Mid-Term, and Long-Term Supply Curves for Tellurium; and Updates in the Results from NREL's CdTe PV Module Manufacturing Cost Model (Presentation)

    SciTech Connect (OSTI)

    Woodhouse, M.; Goodrich, A.; Redlinger, M.; Lokanc, M.; Eggert, R.

    2013-09-01

    For those PV technologies that rely upon Te, In, and Ga, first-order observations and calculations hint that there may be resource constraints that could inhibit their successful deployment at a SunShot level. These are only first-order approximations, however, and the possibility for an expansion in global Te, In, and Ga supplies needs to be considered in the event that there are upward revisions in their demand and prices.In this study, we examine the current, mid-term, and long-term prospects of Tellurium (Te) for use in PV. We find that the current global supply base of Te would support <10 GW of annual traditional CdTe PV manufacturing production. But as for the possibility that the supply base for Te might be expanded, after compiling several preliminary cumulative availability curves we find that there may be significant upside potential in the supply base for this element - principally vis a vis increasing demand and higher prices. Primarily by reducing the Tellurium intensity in manufacturing and by increasing the recovery efficiency of Te in Cu refining processes, we calculate that it may prove affordable to PV manufacturers to expand the supply base for Te such that 100 GW, or greater, of annual CdTe PV production is possible in the 2030 - 2050 timeframe.

  13. Long-term surveillance plan for the Shiprock disposal site, Shiprock, New Mexico

    SciTech Connect (OSTI)

    Not Available

    1993-12-01

    The long-term surveillance plan (LTSP) for the Shiprock, New Mexico, Uranium Mill Tailings Remedial Action (UMTRA) Project disposal site describes the surveillance activities for the Shiprock disposal cell. The US Department of Energy (DOE) will carry out these activities to ensure that the disposal cell continues to function as designed. This final LTSP is being submitted to the US Nuclear Regulatory Commission (NRC) as a requirement for issuance of a general license for custody and long-term care for the disposal site. The general license requires that the disposal cell be cared for in accordance with the provisions of this LTSP. This Shiprock, New Mexico, LTSP documents whether the land and interests are owned by the US or an Indian tribe and describes in detail the long-term care program through the UMTRA Project Office.

  14. Long-term surveillance plan for the Bodo Canyon Disposal Site, Durango, Colorado

    SciTech Connect (OSTI)

    Not Available

    1994-03-01

    This long-term surveillance plan (LTSP) for the Durango, Colorado, Uranium Mill Tailings Remedial Action (UMTRA) Project disposal site describes the surveillance activities for the Durango (Bodo Canyon) disposal site, which will be referred to as the disposal site throughout this document. The US Department of Energy (DOE) will carry out these activities to ensure that the disposal site continues to function as designed. This LTSP was prepared as a requirement for acceptance under the US Nuclear Regulatory Commission (NRC) general license for custody and long-term care of residual radioactive materials (RRM). RRMs include tailings and other uranium ore processing wastes still at the site, which the DOE determines to be radioactive. This LTSP is based on the DOE`s Guidance for Implementing the UMTRA Project Long-term Surveillance Program (DOE, 1992).

  15. LONG-TERM STEWARDSHIP AT DOE HANFORD SITE - 12575

    SciTech Connect (OSTI)

    MOREN RJ; GRINDSTAFF KD

    2012-01-11

    The U.S. Department of Energy's (DOE) Hanford Site is located in southeast Washington and consists of 1,518 square kilometers (586 square miles) of land. Established in 1943 as part of the Manhattan Project, Hanford workers produced plutonium for our nation's nuclear defense program until the mid 1980's. Since then, the site has been in cleanup mode that is being accomplished in phases. As we achieve remedial objectives and complete active cleanup, DOE will manage Hanford land under the Long-Term Stewardship (LTS) Program until completion of cleanup and the site becomes ready for transfer to the post cleanup landlord - currently planned for DOE's Office of Legacy Management (LM). We define Hanford's LTS Program in the ''Hanford Long-Term Stewardship Program Plan,'' (DOE/RL-201 0-35)[1], which describes the scope including the relationship between the cleanup projects and the LTS Program. DOE designed the LTS Program to manage and provide surveillance and maintenance (S&M) of institutional controls and associated monitoring of closed waste sites to ensure the protection of human health and the environment. DOE's Richland Operations Office (DOE-RL) and Hanford cleanup and operations contractors collaboratively developed this program over several years. The program's scope also includes 15 key activities that are identified in the DOE Program Plan (DOE/RL-2010-35). The LTS Program will transition 14 land segments through 2016. The combined land mass is approximately 570 square kilometers (220 square miles), with over 1,300 active and inactive waste sites and 3,363 wells. Land segments vary from buffer zone property with no known contamination to cocooned reactor buildings, demolished support facilities, and remediated cribs and trenches. DOE-RL will transition land management responsibilities from cleanup contractors to the Mission Support Contract (MSC), who will then administer the LTS Program for DOE-RL. This process requires an environment of cooperation between the contractors and DOE-RL. Information Management (IM) is a key part of the LTS program. The IM Program identifies, locates, stores, protects and makes accessible Hanford LTS records and data to support the transfer of property ultimately to LM. As such, DOE-RL manages the Hanford LTS Program in a manner consistent with LM's goals, policies, and procedures.

  16. Long-term average performance benefits of parabolic trough improvements

    SciTech Connect (OSTI)

    Gee, R.; Gaul, H.W.; Kearney, D.; Rabl, A.

    1980-03-01

    Improved parabolic trough concentrating collectors will result from better design, improved fabrication techniques, and the development and utilization of improved materials. The difficulty of achieving these improvements varies as does their potential for increasing parabolic trough performance. The purpose of this analysis is to quantify the relative merit of various technology advancements in improving the long-term average performance of parabolic trough concentrating collectors. The performance benefits of improvements are determined as a function of operating temperature for north-south, east-west, and polar mounted parabolic troughs. The results are presented graphically to allow a quick determination of the performance merits of particular improvements. Substantial annual energy gains are shown to be attainable. Of the improvements evaluated, the development of stable back-silvered glass reflective surfaces offers the largest performance gain for operating temperatures below 150/sup 0/C. Above 150/sup 0/C, the development of trough receivers that can maintain a vacuum is the most significant potential improvement. The reduction of concentrator slope errors also has a substantial performance benefit at high operating temperatures.

  17. An Interior-Point Method for Long Term Scheduling of Large Scale Hydrothermal System

    E-Print Network [OSTI]

    Oliveira, Aurélio R. L.

    that embraces time frames ranging from the long term energy hydroelectric resources control to electric of the reservoirs in order to maximize the hydroelectric production and, as a result, minimize the thermoelectric storage target. It should comprise a detailed representation of both: hydroelectric plants hydraulic

  18. Long-term middle atmospheric influence of very large solar proton events

    E-Print Network [OSTI]

    Jackman, Charles H.

    011415. 1. Introduction [2] Large solar eruptions can cause huge fluxes of high- energy solar protonsLong-term middle atmospheric influence of very large solar proton events Charles H. Jackman,1-term (more than a few months) effects of solar proton events (SPEs). Extremely large solar proton events

  19. The economics of long-term global climate change

    SciTech Connect (OSTI)

    Not Available

    1990-09-01

    This report is intended to provide an overview of economic issues and research relevant to possible, long-term global climate change. It is primarily a critical survey, not a statement of Administration or Department policy. This report should serve to indicate that economic analysis of global change is in its infancy few assertions about costs or benefits can be made with confidence. The state of the literature precludes any attempt to produce anything like a comprehensive benefit-cost analysis. Moreover, almost all the quantitative estimates regarding physical and economic effects in this report, as well as many of the qualitative assertions, are controversial. Section I provides background on greenhouse gas emissions and their likely climatic effects and on available policy instruments. Section II considers the costs of living with global change, assuming no substantial efforts to reduce greenhouse gas emissions. Section III considers costs of reducing these emissions, though the available literature does not contain estimates of the costs of policies that would, on the assumptions of current climate models, prevent climate change altogether. The individual sections are not entirely compartmentalized, but can be read independently if necessary.

  20. DOE Issues Final Mercury Storage Environmental Impact Statement: Texas Site Is Preferred for Long-Term Mercury Storage

    Broader source: Energy.gov [DOE]

    WASHINGTON – The Department of Energy has prepared a Final Long-Term Management and Storage of Elemental Mercury Environmental Impact Statement to analyze the potential environmental, human health, and socioeconomic impacts of elemental mercury storage at seven locations

  1. Revisiting the Long-Term Hedge Value of Wind Power in an Era of Low Natural Gas Prices

    E-Print Network [OSTI]

    Bolinger, Mark

    2014-01-01

    of Energy from U.S. Wind Power Projects. Berkeley, Calif. :J. and K. Porter. 2011. Wind Power and Electricity Markets.different purchasers of wind power in the U.S. , long- term

  2. A test for detecting long-term sensorimotor dysfunction in the mouse after focal cerebral ischemia

    E-Print Network [OSTI]

    Schallert, Tim

    A test for detecting long-term sensorimotor dysfunction in the mouse after focal cerebral ischemia, therefore, developed a sensorimotor functional test (corner test) and applied this test to a model of focal after ischemia. The corner test, which is sensitive to chronic sensorimotor and postural symmetries

  3. Exchange of groundwater and surfacewater mediated by permafrost response to seasonal and long term air

    E-Print Network [OSTI]

    McKenzie, Jeffrey M.

    Exchange of groundwater and surfacewater mediated by permafrost response to seasonal and long term impact hydrologic cycle processes by promoting or impeding groundwater and surface water exchange. Under between groundwater and surface water. A coupled heat transport and groundwater flow model, SUTRA

  4. NUMERICAL SIMULATIONS OF LONG TERM UNSATURATED FLOW AND ACID MINE DRAINAGE AT WASTE ROCK PILES

    E-Print Network [OSTI]

    Aubertin, Michel

    NUMERICAL SIMULATIONS OF LONG TERM UNSATURATED FLOW AND ACID MINE DRAINAGE AT WASTE ROCK PILES Omar present a numerical modeling study of unsaturated water flow and acid mine drainage in idealized (but of oxygen diffusion and acid mine drainage through the waste rock piles showed that oxygen is generally

  5. Long-term surveillance plan for the South Clive Disposal Site, Clive, Utah

    SciTech Connect (OSTI)

    NONE

    1996-03-01

    This long-term surveillance plan (LTSP) describes the US Department of Energy`s (DOE) long-term care program for the Uranium Mill Tailings Remedial Action (UMTRA) Project South Clive disposal site in Clive, Utah. The US Nuclear Regulatory Commission (NRC) has developed regulations for the issuance of a general license for the custody and long-term care of UMTRA Project disposal sites in 10 CRF Part 40. The purpose of this general license is to ensure that the UMTRA Project disposal sites will be cared for in a manner that protects the public health and safety and the environment. For each disposal site to be licensed, the NRC requires the DOE to submit a site-specific LTSP. The DOE prepared this LTSP to meet this requirement for the South Clive disposal site. The general license becomes effective when the NRC concurs with the DOE`s determination of completion of remedial action for the South Clive site and the NRC formally accepts this LTSP. This LTSP describes the long-term surveillance program the DOE will implement to ensure that the South Clive disposal site performs as designed. The program`s primary activity is site inspections to identify threats to disposal cell integrity.

  6. Quantification of key long-term risks at CO? sequestration sites: Latest results from US DOE's National Risk Assessment Partnership (NRAP) Project

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

    Pawar, Rajesh; Bromhal, Grant; Carroll, Susan; Chu, Shaoping; Dilmore, Robert; Gastelum, Jason; Oldenburg, Curt; Stauffer, Philip; Zhang, Yingqi; Guthrie, George

    2014-12-31

    Risk assessment for geologic CO? storage including quantification of risks is an area of active investigation. The National Risk Assessment Partnership (NRAP) is a US-Department of Energy (US-DOE) effort focused on developing a defensible, science-based methodology and platform for quantifying risk profiles at geologic CO? sequestration sites. NRAP has been developing a methodology that centers round development of an integrated assessment model (IAM) using system modeling approach to quantify risks and risk profiles. The IAM has been used to calculate risk profiles with a few key potential impacts due to potential CO? and brine leakage. The simulation results are alsomore »used to determine long-term storage security relationships and compare the long-term storage effectiveness to IPCC storage permanence goal. Additionally, we also demonstrate application of IAM for uncertainty quantification in order to determine parameters to which the uncertainty in model results is most sensitive.« less

  7. Quantification of key long-term risks at CO? sequestration sites: Latest results from US DOE's National Risk Assessment Partnership (NRAP) Project

    SciTech Connect (OSTI)

    Pawar, Rajesh; Bromhal, Grant; Carroll, Susan; Chu, Shaoping; Dilmore, Robert; Gastelum, Jason; Oldenburg, Curt; Stauffer, Philip; Zhang, Yingqi; Guthrie, George

    2014-12-31

    Risk assessment for geologic CO? storage including quantification of risks is an area of active investigation. The National Risk Assessment Partnership (NRAP) is a US-Department of Energy (US-DOE) effort focused on developing a defensible, science-based methodology and platform for quantifying risk profiles at geologic CO? sequestration sites. NRAP has been developing a methodology that centers round development of an integrated assessment model (IAM) using system modeling approach to quantify risks and risk profiles. The IAM has been used to calculate risk profiles with a few key potential impacts due to potential CO? and brine leakage. The simulation results are also used to determine long-term storage security relationships and compare the long-term storage effectiveness to IPCC storage permanence goal. Additionally, we also demonstrate application of IAM for uncertainty quantification in order to determine parameters to which the uncertainty in model results is most sensitive.

  8. Site transition framework for long-term surveillance and maintenance

    SciTech Connect (OSTI)

    2014-04-01

    This document provides a framework for all U.S. Department of Energy (DOE) facilities and sites where DOE may have anticipated long-term surveillance and maintenance (LTSM) responsibilities. It is a tool to help facilitate a smooth transition from remediation to LTSM, providing a systematic process for affected parties to utilize in analyzing the baseline to understand and manage the actions from EM mission completion through a site’s transition into LTSM. The framework is not meant to provide an exhaustive list of the specific requirement and information that are needed. Sites will have unique considerations that may not be adequately addressed by this tool, and it is anticipated that a team comprised of the transferring and receiving organization will use judgment in utilizing this augmenting with other DOE guidance. However the framework should be followed to the extent possible at each site; and adapted to accommodate unique site-specific requirements, needs, and documents. Since the objective of the tool is facilitate better understanding of the conditions of the site and the actions required for transfer, the transition team utilizing the checklist is expected to consult with management of both the receiving and transferring organization to verify that major concerns are addressed. Ideally, this framework should be used as early in the remediation process as possible. Subsequent applications of the Site Transition Framework (STF) to the site should be conducted periodically and used to verify that all appropriate steps have been or will be taken to close-out the site and that actions by both organization are identified to transfer the site to LTSM. The requirements are provided herein.

  9. GLOBAL WARMING: THE PSYCHOLOGY OF LONG TERM RISK Guest Editorial

    E-Print Network [OSTI]

    Todorov, Alex

    GLOBAL WARMING: THE PSYCHOLOGY OF LONG TERM RISK Guest Editorial Beyond its objective basis in natural science, understanding, discussion, and res- olution of the policy issue labeled "global warming the global warming problem. In public discussion, natu- ral scientists tend to frame the issue through

  10. University of Pittsburgh Libraries Long Term Trends (2004-2012)

    E-Print Network [OSTI]

    Jiang, Huiqiang

    ULS University of Pittsburgh Libraries Long Term Trends (2004-2012) Based on ARL Statistics includes ULS, Law and Health Services libraries · Some analyses show 2012 data only, as some data points Circulation: peer comparison 1 15 #12;ULS Inter Library Loans 1 16 #12;ULS ILL: peer comparison 1 17 #12;ULS

  11. University of Pittsburgh Libraries Long Term Trends (2004-2013)

    E-Print Network [OSTI]

    Sibille, Etienne

    ULS University of Pittsburgh Libraries Long Term Trends (2004-2013) Based on ARL Statistics includes ULS, Law and Health Services libraries · Most analyses show data for 2004-2013 or 2006-2013. Small expenditure as % of total library expenditures - aspirational peer institutions 2012-2013 2012 2013 #12;ULS

  12. Cogeneration of electricity: Cost-effective over long term

    SciTech Connect (OSTI)

    Barger, R.L.; Barham, J. )

    1991-08-01

    This article describes the determination of the cost-effectiveness of a cogeneration project five years after it became operational in 1984. The cogeneration project uses digester sludge gas from a wastewater treatment plant. The topics covered include the history of electrical cogeneration at the site, cogeneration economics in the short term and the long term, and the factors in cost-effectiveness.

  13. Long-term Turnaround Planning for Integrated Chemical Sites

    E-Print Network [OSTI]

    Grossmann, Ignacio E.

    Long-term Turnaround Planning for Integrated Chemical Sites Satya Amaran, Tong Zhang, Nick Company) 1 #12;Problem Statement · Exploit network interactions, storage availability, and prices considerations · Future/current work ­ Medium-term turnaround scheduling under duration uncertainty for manpower

  14. IAEA-TECDOC-1403 The long term stabilization of

    E-Print Network [OSTI]

    . This includes managing the legacy of accidents and past practices, including that from uranium mining and radioactive substance and of uranium mining and milling sites. In the past, often little or no care was takenIAEA-TECDOC-1403 The long term stabilization of uranium mill tailings Final report of a co

  15. Automated analysis and interpretation of long-term

    E-Print Network [OSTI]

    Maher, Robert C.

    Automated analysis and interpretation of long-term soundscape audio recordings Robert C. Maher Electrical and Computer Engineering Montana State University - Bozeman #12;Outline · Introduction · Long · Interpretation and presentation is difficult due to extreme length of the data · What is needed: ­ Automated

  16. Long-term atomistic simulation of hydrogen diffusion in metals

    E-Print Network [OSTI]

    Ortiz, Michael

    in palladium nanofilms and compared our predictions with previous hydrogen desorption results obtainedLong-term atomistic simulation of hydrogen diffusion in metals K.G. Wang a , M. Ortiz b , M-speed, high capacity, reversible hydrogen storage applications, most mesoscopic approaches to date have relied

  17. Long-term surveillance plan for the Bodo Canyon Disposal Site, Durango, Colorado. Revision 1

    SciTech Connect (OSTI)

    NONE

    1995-11-01

    This long-term surveillance plan (LTSP) for the Uranium Mill Tailings Remedial Act on (UMTRA) Project Bodo Canyon disposal site at Durango, Colorado, describes the surveillance activities for the disposal site. The US Department of Energy (DOE) will carry out these activities to ensure that the disposal call continues to function as designed This LTSP was prepared as a requirement for DOE acceptance under the US Nuclear Regulatory Commission (NRC) general license for custody and long-term care of residual radioactive materials (RRM) from processing uranium ore. This LTSP documents that the land and interests are owned by the United States and details how long-term care of the disposal site will be carried out. It is based on the DOE`s Guidance for Implementing the UMTRA Project Long-term Surveillance Program (DOE, 1992a). Following the introduction, contents of this report include the following: site final condition; site drawings and photographs; permanent site surveillance features; ground water monitoring; annual site inspections; unscheduled inspections; custodial maintenance; corrective action; record keeping and reporting requirements; emergency notification and reporting; quality assurance; personal health and safety; list of contributions; and references.

  18. Long-term surveillance plan for the Mexican Hat disposal site Mexican Hat, Utah

    SciTech Connect (OSTI)

    NONE

    1997-05-01

    This long-term surveillance plan (LTSP) describes the U.S. Department of Energy`s (DOE) long-term care program for the Uranium Mill Tailings Remedial Action (UMTRA) Project Mexican Hat, Utah, disposal site. The U.S. Nuclear Regulatory Commission (NRC) has developed regulations for the issuance of a general license for the custody and long-term care of UMTRA Project disposal sites in 10 CFR Part 40. The purpose of this general license is to ensure that the UMTRA Project disposal sites will be cared for in a manner that protects the public health and safety and the environment. Before each disposal site is licensed, the NRC requires the DOE to submit a site-specific LTSP. The DOE prepared this LTSP to meet this requirement for the Mexican Hat disposal site. The general license becomes effective when the NRC concurs with the DOE`s determination of completion of remedial action for the disposal site and the NRC formally accepts this LTSP. This LTSP describes the long-term surveillance program the DOE will implement to ensure that the Mexican Hat disposal site performs as designed. The program is based on two distinct types of activities: (1) site inspections to identify potential threats to disposal cell integrity, and (2) monitoring of selected seeps to observe changes in flow rates and water quality. The LTSP is based on the UMTRA Project long-term surveillance program guidance and meets the requirements of 10 CFR {section}40.27(b) and 40 CFR {section}192.03. 18 refs., 6 figs., 1 tab.

  19. Assessment of Long-Term Research Needs for Shale-Oil Recovery (FERWG-III)

    SciTech Connect (OSTI)

    Penner, S.S.

    1981-03-01

    The Fossil Energy Research Working Group (FERWG), at the request of E. Frieman (Director, Office of Energy Research) and G. Fumich, Jr. (Assistant Secretary for Fossil Fuels), has reviewed and evaluated the U.S. programs on shale-oil recovery. These studies were performed in order to provide an independent assessment of critical research areas that affect the long-term prospects for shale-oil availability. This report summarizes the findings and research recommendations of FERWG.

  20. Summary Final Long-Term Management and Storage of Elemental Mercury...

    Office of Environmental Management (EM)

    Environmental Impact Statement Final LONG-TERM MANAGEMENT AND STORAGE OF ELEMENTAL MERCURY Final Supplemental Environmental Impact Statement LONG-TERM MANAGEMENT AND STORAGE OF...

  1. Impact of Biodiesel on the Near-term Performance and Long-term...

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

    Performance and Long-term Durability of Advanced Aftertreatment Systems Impact of Biodiesel on the Near-term Performance and Long-term Durability of Advanced Aftertreatment...

  2. Complete Fiber/Copper Cable Solution for Long-Term Temperature...

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

    for Long-Term Temperature and Pressure Measurement in Supercritical Reservoirs and EGS Wells Complete FiberCopper Cable Solution for Long-Term Temperature and Pressure...

  3. Heat extracted from the long term flow test in the Fenton Hill HDR reservoir

    SciTech Connect (OSTI)

    Kruger, Paul; Robinson, Bruce

    1994-01-20

    A long-term flow test was carried out in the Fenton Hill HDR Phase-2 reservoir for 14 months during 1992-1993 to examine the potential for supplying thermal energy at a sustained rate as a commercial demonstration of HDR technology. The test was accomplished in several segments with changes in mean flowrate due to pumping conditions. Re-test estimates of the extractable heat content above a minimum useful temperature were based on physical evidence of the size of the Fenton Hill reservoir. A numerical model was used to estimate the extent of heat extracted during the individual flow segments from the database of measured production data during the test. For a reservoir volume of 6.5x10{sup 6}m{sup 3}, the total heat content above a minimum temperature of 150{degree} C was 1.5x10{sup 15}J. For the total test period at the three sustained mean flowrates, the integrated heat extracted was 0.088x10{sup 15}J, with no discernable temperature decline of the produced fluid. The fraction of energy extracted above the abandonment temperature was 5.9%. On the basis of a constant thermal energy extraction rate, the lifetime of the reservoir (without reservoir growth) to the abandonment temperature would be 13.3 years, in good agreement with the pre-test estimate of 15.0 years for the given reservoir volume.

  4. Engineering analysis report for the long-term management of depleted uranium hexafluoride : storage of depleted uranium metal.

    SciTech Connect (OSTI)

    Folga, S.M.; Kier, P.H.; Thimmapuram, P.R.

    2001-01-24

    This report contains an engineering analysis of long-term storage of uranium metal in boxes as an option for long-term management of depleted uranium hexafluoride (UF{sub 6}). Three storage facilities are considered: buildings, vaults, and mined cavities. Three cases are considered: either all, half, or a quarter of the depleted uranium metal that would be produced from the conversion of depleted UF{sub 6} is stored at the facility. The analysis of these alternatives is based on a box design used in the Final Programmatic Environmental Impact Statement for Alternative Strategies for the Long-Term Management and Use of Depleted Uranium Hexafluoride, report DOE/EIS-0269, published in 1999 by the US Department of Energy. This box design does not appear to effectively use space within the box. Hence, an alternative box design that allows for a reduced storage area is addressed in the appendices for long-term storage in buildings.

  5. Rebuilding Greensburg, Kansas, as a Model Green Community: A...

    Energy Savers [EERE]

    Codes to Achieve Long-Term Energy Savings NREL Helps Greensburg Set the Model for Green Communities (Fact Sheet), Innovation: The Spectrum of Clean Energy Innovation, NREL...

  6. Long-Term Operation Of Ground-Based Atmospheric Sensing Systems In The Tropical Western Pacific

    SciTech Connect (OSTI)

    Ivey, Mark; Jones, Larry J.; Porch, W. M.; Apple, Monty L.; Widener, Kevin B.

    2004-10-14

    Three semi-autonomous atmospheric sensing systems were installed in the tropical western Pacific region. The first of these Atmospheric Radiation and Cloud Stations (ARCS) began operation in 1996. Each ARCS is configured as a system-of-systems since it comprises an ensemble of independent instrument systems. The ARCS collect, process, and transmit large volumes of cloud, solar and thermal radiation, and meteorological data to support climate studies and climate-modeling improvements as part of the U.S Department of Energy’s Atmospheric and Radiation Measurement (ARM) Program. Data from these tropical ARCS stations have been used for satellite ground-truth data comparisons and validations, including comparisons for MTI and AQUA satellite data. Our experiences with these systems in the tropics led to modifications in their design. An ongoing international logistics effort is required to keep gigabytes per day of quality-assured data flowing to the ARM program’s archives. Design criteria, performance, communications methods, and the day-to-day logistics required to support long-term operations of ground-based remote atmospheric sensing systems are discussed. End-to-end data flow from the ARCS systems to the ARM Program archives is discussed.

  7. CO{sub 2} emissions from developing countries: Better understanding the role of energy in the long term. Volume 4, Ghana, Sierra Leone, Nigeria and the Gulf Cooperation Council (GCC) countries

    SciTech Connect (OSTI)

    Sathaye, J.; Goldman, N.

    1991-07-01

    Recent years have witnessed a growing recognition of the link between emissions of carbon dioxide (CO{sub 2}) and changes in the global climate. of all anthropogenic activities, energy production and use generate the single largest portion of these greenhouse gases. Although developing countries currently account for a small share of global carbon emissions, their contribution is increasing rapidly. Due to the rapid expansion of energy demand in these nations, the developing world`s share in global modern energy use rose from 16 to 27 percent between 1970 and 1990. If the growth rates observed over the past 20 years persist, energy demand in developing nations will surpass that in the countries of the Organization for Economic Cooperation and Development (OECD) early in the 21st century. The study seeks to examine the forces that galvanize the growth of energy use and carbon emissions, to assess the likely future levels of energy and CO{sub 2} in selected developing nations and to identify opportunities for restraining this growth. The purpose of this report is to provide the quantitative information needed to develop effective policy options, not to identify the options themselves. A combined study was carried out for the countries of the Gulf Cooperation Council (Bahrain, Kuwait, Oman, Qatar, Saudi Arabia and the United Arab Emirates).

  8. Process for Transition of Uranium Mill Tailings Radiation Control Act Title II Disposal Sites to the U.S. Department of Energy Office of Legacy Management for Long-Term Surveillance and Maintenance

    SciTech Connect (OSTI)

    2012-03-01

    This document presents guidance for implementing the process that the U.S. Department of Energy (DOE) Office of Legacy Management (LM) will use for assuming perpetual responsibility for a closed uranium mill tailings site. The transition process specifically addresses sites regulated under Title II of the Uranium Mill Tailings Radiation Control Act (UMTRCA) but is applicable in principle to the transition of sites under other regulatory structures, such as the Formerly Utilized Sites Remedial Action Program.

  9. Summary of the engineering analysis report for the long-term management of depleted uranium hexafluoride

    SciTech Connect (OSTI)

    Dubrin, J.W., Rahm-Crites, L.

    1997-09-01

    The Department of Energy (DOE) is reviewing ideas for the long-term management and use of its depleted uranium hexafluoride. DOE owns about 560,000 metric tons (over a billion pounds) of depleted uranium hexafluoride. This material is contained in steel cylinders located in storage yards near Paducah, Kentucky; Portsmouth, Ohio; and at the East Tennessee Technology Park (formerly the K-25 Site) in Oak Ridge, Tennessee. On November 10, 1994, DOE announced its new Depleted Uranium Hexafluoride Management Program by issuing a Request for Recommendations and an Advance Notice of Intent in the Federal Register (59 FR 56324 and 56325). The first part of this program consists of engineering, costs and environmental impact studies. Part one will conclude with the selection of a long-term management plan or strategy. Part two will carry out the selected strategy.

  10. X-ray enhancement and long-term evolution of swift J1822.3–1606

    SciTech Connect (OSTI)

    Benli, Onur; Çal??kan, ?.; Ertan, Ü.; Alpar, M. A. [Sabanc? University, Orhanl?-Tuzla, ?stanbul 34956 (Turkey); Trümper, J. E. [Max-Planck-Institut für extraterrestrische Physik, Geissenbachstrasse, 85740 Garching bei München (Germany); Kylafis, N. D., E-mail: onurbenli@sabanciuniv.edu [Physics Department and Institute of Theoretical and Computational Physics, University of Crete, 71003 Heraklion, Crete (Greece)

    2013-12-01

    We investigate the X-ray enhancement and the long-term evolution of the recently discovered second 'low-B magnetar' Swift J1822.3-1606 in the frame of the fallback disk model. During a soft gamma burst episode, the inner disk matter is pushed back to larger radii, forming a density gradient at the inner disk. Subsequent relaxation of the inner disk could account for the observed X-ray enhancement light curve of Swift J1822.3-1606. We obtain model fits to the X-ray data with basic disk parameters similar to those employed to explain the X-ray outburst light curves of other anomalous X-ray pulsars and soft gamma repeaters. The long period (8.4 s) of the neutron star can be reached by the effect of the disk torques in the long-term accretion phase ((1-3) × 10{sup 5} yr). The currently ongoing X-ray enhancement could be due to a transient accretion epoch, or the source could still be in the accretion phase in quiescence. Considering these different possibilities, we determine the model curves that could represent the long-term rotational and the X-ray luminosity evolution of Swift J1822.3-1606, which constrain the strength of the magnetic dipole field to the range of (1-2) × 10{sup 12} G on the surface of the neutron star.

  11. Long-term surveillance plan for the Gunnison, Colorado, disposal site

    SciTech Connect (OSTI)

    NONE

    1996-05-01

    This long-term surveillance plan (LTSP) describes the US Department of Energy`s (DOE) long-term care program for the Uranium Mill Tailings Remedial Action (UMTRA) Project Gunnison disposal site in Gunnison County, Colorado. The US Nuclear Regulatory Commission (NRC) has developed regulations for the issuance of a general license for the custody and long-term care of UMTRA Project disposal sites in 10 CFR Part 40. The purpose of this general license is to ensure that the UMTRA Project disposal sites will be cared for in a manner that protects the public health and safety and the environment.For each disposal site to be licensed, the NRC requires the DOE to submit a site-specific LTSP. The DOE prepared this LTSP to meet this requirement for the Gunnison disposal site. The general license becomes effective when the NRC concurs with the DOE`s determination of completion of remedial action for the Gunnison site and the NRC formally accepts this LTSP.

  12. Long-term surveillance plan for the Rifle, Colorado, Disposal site

    SciTech Connect (OSTI)

    NONE

    1996-09-01

    This long-term surveillance plan (LTSP) describes the U.S. Department of Energy`s (DOE) long-term care program for the Uranium Mill Tailings Remedial Action (UMTRA) Project Estes Gulch disposal site in Garfield County, Colorado. The U.S. Environmental Protection Agency (EPA) has developed regulations for the issuance of a general license by the U.S. Nuclear Regulatory Commission (NRC) for the custody and long-term care of UMTRA Project disposal Sites in 10 CFR Part 40. The purpose of this general license is to ensure that the UMTRA Project disposal sites, will be cared for in a manner that protects the public health and safety and the environment. For each disposal site to be licensed, the NRC requires the DOE to submit a site-specific LTSP. The DOE prepared this LTSP to meet this requirement for the Estes Gulch disposal site. The general license becomes effective when the NRC concurs with the DOE`s determination of completion of remedial action for the Estes Gulch site and the NRC formally accepts this LTSP.

  13. Host Galaxy Properties and Black Hole Mass of Swift J164449.3+573451 from Multi-Wavelength Long-Term Monitoring and HST Data

    E-Print Network [OSTI]

    Yoon, Yongmin; Jeon, Yiseul; Lee, Seong-Kook; Choi, Philip; Gehrels, Neil; Pak, Soojong; Sakamoto, Takanori; Urata, Yuji

    2015-01-01

    We study the host galaxy properties of the tidal disruption object, Swift J164449.3+573451 using long-term optical to near-infrared (NIR) data. First, we decompose the galaxy surface brightness distribution and analyze the morphology of the host galaxy using high resolution \\emph{HST} WFC3 images. We conclude that the host galaxy is a bulge-dominant galaxy that is well described by a single S\\'{e}rsic model with S\\'{e}rsic index $n=3.43\\pm0.05$. Adding a disk component, the bulge to total host galaxy flux ratio (B/T) is $0.83\\pm0.03$, which still indicates a bulge-dominant galaxy. Second, we estimate multi-band fluxes of the host galaxy through long-term light curves. Our long-term NIR light curves reveal the pure host galaxy fluxes $\\sim500$ days after the burst. We fit spectral energy distribution (SED) models to the multi-band fluxes from the optical to NIR of the host galaxy and determine its properties. The stellar mass, the star formation rate, and the age of stellar population are $\\log(M_{\\star}/M_{\\o...

  14. 9975 SHIPPING PACKAGE PERFORMANCE OF ALTERNATE MATERIALS FOR LONG-TERM STORAGE APPLICATION

    SciTech Connect (OSTI)

    Skidmore, E.; Hoffman, E.; Daugherty, W.

    2010-02-24

    The Model 9975 shipping package specifies the materials of construction for its various components. With the loss of availability of material for two components (cane fiberboard overpack and Viton{reg_sign} GLT O-rings), alternate materials of construction were identified and approved for use for transport (softwood fiberboard and Viton{reg_sign} GLT-S O-rings). As these shipping packages are part of a long-term storage configuration at the Savannah River Site, additional testing is in progress to verify satisfactory long-term performance of the alternate materials under storage conditions. The test results to date can be compared to comparable results on the original materials of construction to draw preliminary conclusions on the performance of the replacement materials.

  15. Long-Term Damped Dynamics of the Extensible Suspension Bridge

    E-Print Network [OSTI]

    Ivana Bochicchio; Claudio Giorgi; Elena Vuk

    2011-02-04

    This work is focused on the doubly nonlinear equation, whose solutions represent the bending motion of an extensible, elastic bridge suspended by continuously distributed cables which are flexible and elastic with stiffness k^2. When the ends are pinned, long-term dynamics is scrutinized for arbitrary values of axial load p and stiffness k^2. For a general external source f, we prove the existence of bounded absorbing sets.When f is timeindependent, the related semigroup of solutions is shown to possess the global attractor of optimal regularity and its characterization is given in terms of the steady states of the problem.

  16. Interactive long-term simulation for power system restoration planning

    SciTech Connect (OSTI)

    Fountas, N.A.; Hatziargyriou, N.D. [National Technical Univ., Athens (Greece)] [National Technical Univ., Athens (Greece); Orfanogiannis, C.; Tasoulis, A. [Public Power Corp., Athens (Greece)] [Public Power Corp., Athens (Greece)

    1997-02-01

    The problem of restoring a power system following a complete blackout is complex and multi-faceted. Many control actions have to be performed on time, while constraints such as power balance and system stability have to be carefully respected. In this paper, the application of long-term dynamic analysis in studying frequency and voltage responses due to load and generation mismatches in isolated systems or during extension of the existing system in the restoration phase is presented. Simulation results covering the main steps of the Hellenic power system restoration process following a recent total blackout are presented and discussed.

  17. Long-Term Strategy for Environmental Stewardship and Sustainability

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of NaturalDukeWakefieldSulfateSciTechtail.Theory ofDid you notHeat PumpsTechnologies |LibraryCenterCenterLinksFacts,Long-Term

  18. Grand Challenges for Biological and Environmental Research: A Long-Term Vision

    SciTech Connect (OSTI)

    Arkin, A.; Baliga, N.; Braam, J.; Church, G.; Collins, J; Cottingham, R.; Ecker, J.; Gerstein, M.; Gilna, P.; Greenberg, J.; Handelsman, J.; Hubbard, S.; Joachimiak, A.; Liao, J.; Looger, L.; Meyerowitz, E.; Mjolness, E.; Petsko, G.; Sayler, G.; Simpson, M.; Stacey, G.; Sussman, M.; Tiedje, J.; Bader, D.; Cessi, P.; Collins, W.; Denning, S.; Dickinson, R.; Easterling, D.; Edmonds, J.; Feddema, J.; Field, C.; Fridlind, A.; Fung, I.; Held, I.; Jackson, R.; Janetos, A.; Large, W.; Leinen, M.; Leung, R.; Long, S.; Mace, G.; Masiello, C.; Meehl, G.; Ort, D.; Otto-Bliesner, B.; Penner, J.; Prather, M.; Randall, D.; Rasch, P.; Schneider, E.; Shugart, H.; Thornton, P.; Washington, W.; Wildung, R.; Wiscombe, W.; Zak, D.; Zhang, M.; Bielicki, J.; Buford, M.; Cleland, E.; Dale, V.; Duke, C.; Ehleringer, J.; Hecht, A.; Kammen, D.; Marland, G.; Pataki, D.; Riley, M. Robertson, P.; Hubbard, S.

    2010-12-01

    The interactions and feedbacks among plants, animals, microbes, humans, and the environment ultimately form the world in which we live. This world is now facing challenges from a growing and increasingly affluent human population whose numbers and lifestyles are driving ever greater energy demand and impacting climate. These and other contributing factors will make energy and climate sustainability extremely difficult to achieve over the 20-year time horizon that is the focus of this report. Despite these severe challenges, there is optimism that deeper understanding of our environment will enable us to mitigate detrimental effects, while also harnessing biological and climate systems to ensure a sustainable energy future. This effort is advanced by scientific inquiries in the fields of atmospheric chemistry and physics, biology, ecology, and subsurface science - all made possible by computing. The Office of Biological and Environmental Research (BER) within the Department of Energy's (DOE) Office of Science has a long history of bringing together researchers from different disciplines to address critical national needs in determining the biological and environmental impacts of energy production and use, characterizing the interplay of climate and energy, and collaborating with other agencies and DOE programs to improve the world's most powerful climate models. BER science focuses on three distinct areas: (1) What are the roles of Earth system components (atmosphere, land, oceans, sea ice, and the biosphere) in determining climate? (2) How is the information stored in a genome translated into microbial, plant, and ecosystem processes that influence biofuel production, climate feedbacks, and the natural cycling of carbon? (3) What are the biological, geochemical, and physical forces that govern the behavior of Earth's subsurface environment? Ultimately, the goal of BER science is to support experimentation and modeling that can reliably predict the outcomes and behaviors of complex biological and environmental systems, leading to robust solutions for DOE missions and strategic goals. In March 2010, the Biological and Environmental Research Advisory Committee held the Grand Challenges for Biological and Environmental Research: A Long-Term Vision workshop to identify scientific opportunities and grand challenges for BER science in the coming decades and to develop an overall strategy for drafting a long-term vision for BER. Key workshop goals included: (1) Identifying the greatest scientific challenges in biology, climate, and the environment that DOE will face over a 20-year time horizon. (2) Describing how BER should be positioned to address those challenges. (3) Determining the new and innovative tools needed to advance BER science. (4) Suggesting how the workforce of the future should be trained in integrative system science. This report lays out grand research challenges for BER - in biological systems, climate, energy sustainability, computing, and education and workforce training - that can put society on a path to achieve the scientific evidence and predictive understanding needed to inform decision making and planning to address future energy needs, climate change, water availability, and land use.

  19. Collaboration in Long-Term Stewardship at DOE's Hanford Site - 13019

    SciTech Connect (OSTI)

    Moren, Rick; Brown, David [Mission Support Alliance, LLC, Richland, WA (United States)] [Mission Support Alliance, LLC, Richland, WA (United States); Feist, Ella [Washington Closure Hanford, LLC, Richland WA (United States)] [Washington Closure Hanford, LLC, Richland WA (United States); Grindstaff, Keith; Zeisloft, Jamie [US Department of Energy, Richland Operations, Richland WA (United States)] [US Department of Energy, Richland Operations, Richland WA (United States)

    2013-07-01

    The U.S. Department of Energy's (DOE) Hanford Site comprises approximately 1,517 km{sup 2} (586 mi{sup 2}) of land in southeastern Washington. The site was established in 1943 as part of the Manhattan Project to produce plutonium for the nation's nuclear weapons program. As the Cold War era came to an end, the mission of the site transitioned from weapons production to environmental cleanup. As the River Corridor area of the site cleanup is completed, the mission for that portion of the site will transition from active cleanup to continued protection of environment through the Long-Term Stewardship (LTS) Program. The key to successful transition from cleanup to LTS is the unique collaboration among three (3) different DOE Programs and three (3) different prime contractors with each contractor having different contracts. The LTS Program at the site is a successful model of collaboration resulting in efficient resolution of issues and accelerated progress that supports DOE's Richland Office 2015 Vision for the Hanford Site. The 2015 Vision for the Hanford Site involves shrinking the active cleanup footprint of the surface area of the site to approximately 20 mi{sup 2} on the Central Plateau. Hanford's LTS Program is defined in DOE's planning document, Hanford Long-Term Stewardship Program Plan [1]. The Plan defines the relationship and respective responsibilities between the federal cleanup projects and the LTS Program along with their respective contractors. The LTS Program involves these different parties (cleanup program and contractors) who must work together to achieve the objective for transition of land parcels. Through the collaborative efforts with the prime contractors on site over the past two years,, 253.8 km{sup 2} (98 mi{sup 2}) of property has been successfully transitioned from the cleanup program to the LTS Program upon completion of active surface cleanup. Upcoming efforts in the near term will include transitioning another large parcel that includes one of the six (6) cocooned reactors on site. These accomplishments relied upon the transparency between DOE cleanup programs and their contractors working together to successfully transition the land while addressing the challenges that arise. All parties, the three different DOE Programs and their respective prime contractors are dedicated to working together and continuing the progress of transitioning land to LTS, in alignment with the Program Plan and compliant with contractual requirements. (authors)

  20. A model for long-term climatic effects of impacts

    E-Print Network [OSTI]

    Stocker, Thomas

    importance of infrared insulation of the dust cover at high latitudes. While gravitational settling reduces numerous consequences [Toon et al., 1997]. Short-term effects include atmospheric and seismic s

  1. A Data Model and Architecture for Long-term Preservation

    E-Print Network [OSTI]

    Janée, Greg

    of provenance required ­ to support reprocessing #12;Greg Janée · JCDL 2008 14 Ozone reprocessing requirements reprocessing requirements · xDRs · Delivered IPs · Engineering data (incl. C3S data if not in RDRs) · Upload

  2. Long-Term Storage of Cesium and Strontium at the Hanford Site

    Energy Savers [EERE]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on DeliciousMathematicsEnergyInterested Parties - WAPA PublicLED1,400 Jobs | Department ofEnergyAlgalLong-Term

  3. Long-Term Engineered Cap Performance | Department of Energy

    Office of Environmental Management (EM)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustments (BillionProvedTravelInformation Resources»Jim Manion LeadingLong Island HTS Power Cable Long

  4. Long-Term Grout Performance | Department of Energy

    Office of Environmental Management (EM)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustments (BillionProvedTravelInformation Resources»Jim Manion LeadingLong Island HTS Power Cable LongGrout

  5. Zambia-Long-Term Generation Expansion Study | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIX ECoop IncIowa (UtilityMichigan) JumpZhuyuan Electric Development Co

  6. Long-Term Stewardship Resource Center | Department of Energy

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantityBonneville Power Administration would likeUniverseIMPACTThousand CubicResourcelogo and-E CChinaC L S CLoginLong-RangeTermB B o

  7. Long-Term U.S. Energy Outlook: Different Perspectives

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantityBonneville Power Administration would likeUniverseIMPACTThousand CubicResourcelogo and-E CChinaC L S CLoginLong-RangeTermB B

  8. Simulation of the long-term accumulation of radiocontaminants in crop plants

    SciTech Connect (OSTI)

    Schreckhise, R.G.

    1980-03-01

    Most radiological dose assessment models ignore the long-term buildup of radiocontaminants in the soil. When they estimate levels in crop plants from root uptake, these models account only for the annual input from the source into the soil. Almost all of the models ignore the build-up of contaminants in the soil profile due to the accumulation in the roots and the build-up from the above-ground plant material that is buried by plowing. The model described in this report simulates the entire system involved in the cycling and accumulation of radionuclides in cultivated land. The model, named CROPRE, was developed to predict both the long-term accumulation of radionuclides and the resulting concentrations of radionuclides in vegetation. This model was designed to include: (1) the chronic input of contaminated irrigation water into both the soil compartment and directly onto the surface of the vegetation; (2) the incorporation of radiocontaminants in the soil organic matter pool and their eventual release for re-uptake by subsequent crops; (3) the removal of contaminants from the system when the crops are harvested; and (4) the downward movement of radionuclides and their loss from the system by percolation. The CROPRE model more realistically simulates the cycling of radiocontaminants in crop plants over long periods of time than does the other models. It is recommended that it be incorporated into existing radiation dose commitment models.

  9. Demonstrating the Safety of Long-Term Dry Storage - 13468

    SciTech Connect (OSTI)

    McCullum, Rod; Brookmire, Tom; Kessler, John; Leblang, Suzanne; Levin, Adam; Martin, Zita; Nesbit, Steve; Nichol, Marc; Pickens, Terry

    2013-07-01

    Commercial nuclear plants in the United States were originally designed with the expectation that used nuclear fuel would be moved directly from the reactor pools and transported off site for either reprocessing or direct geologic disposal. However, Federal programs intended to meet this expectation were never able to develop the capability to remove used fuel from reactor sites - and these programs remain stalled to this day. Therefore, in the 1980's, with reactor pools reaching capacity limits, industry began developing dry cask storage technology to provide for additional on-site storage. Use of this technology has expanded significantly since then, and has today become a standard part of plant operations at most US nuclear sites. As this expansion was underway, Federal programs remained stalled, and it became evident that dry cask systems would be in use longer than originally envisioned. In response to this challenge, a strong technical basis supporting the long term dry storage safety has been developed. However, this is not a static situation. The technical basis must be able to address future challenges. Industry is responding to one such challenge - the increasing prevalence of high burnup (HBU) used fuel and the need to provide long term storage assurance for these fuels equivalent to that which has existed for lower burnup fuels over the past 25 years. This response includes a confirmatory demonstration program designed to address the aging characteristics of HBU fuel and set a precedent for a learning approach to aging management that will have broad applicability across the used fuel storage landscape. (authors)

  10. Long-Term Results from Evaluation of Advanced New Construction Packages in Test Homes: Lake Elsinore, Californi

    SciTech Connect (OSTI)

    Stecher, D.; Brozyna, K.

    2013-08-01

    This report presents the long-term evaluation results from a hot-dry climate project that examines the room-to-room temperature conditions that exist in a high performance envelope, the performance of a simplified air distribution system, and a comparison of modeled energy performance with measured energy use. The project, a prototype house built by K. Hovnanian Homes’ Ontario Group, is located in Lake Elsinore, Riverside County, California, and achieves a 50% level of whole house source energy savings with respect to the Building America (BA) Benchmark Definition 2009 (Hendron and Engebrecht 2010). Temperature measurements in three rooms indicate that the temperature difference between the measured locations and the thermostat were within recommendations 90.3% of the time in heating mode and 99.3% of the time in cooling mode. The air distribution system is operating efficiently with average delivered temperatures adequate to facilitate proper heating and cooling and only minor average temperature differences observed between the system’s plenum and farthest register. Monitored energy use results for the house indicate that it is using less energy than predicted from modeling. A breakdown of energy use according to end use determined little agreement between comparable values.

  11. Long-Term Results from Evaluation of Advanced New Construction Packages in Test Homes: Lake Elsinore, California

    SciTech Connect (OSTI)

    Stecher, D.; Brozyna, K.

    2013-08-01

    This report presents the long-term evaluation results from a hot-dry climate project that examines the room-to-room temperature conditions that exist in a high performance envelope, the performance of a simplified air distribution system, and a comparison of modeled energy performance with measured energy use. The project, a prototype house built by K. Hovnanian Homes' Ontario Group, is located in Lake Elsinore, Riverside County, California, and achieves a 50% level of whole house source energy savings with respect to the Building America (BA) Benchmark Definition 2009 (Hendron and Engebrecht 2010). Temperature measurements in three rooms indicate that the temperature difference between the measured locations and the thermostat were within recommendations 90.3% of the time in heating mode and 99.3% of the time in cooling mode. The air distribution system is operating efficiently with average delivered temperatures adequate to facilitate proper heating and cooling and only minor average temperature differences observed between the system's plenum and farthest register. Monitored energy use results for the house indicate that it is using less energy than predicted from modeling. A breakdown of energy use according to end use determined little agreement between comparable values.

  12. Automatic lighting controls demonstration: Long-term results

    SciTech Connect (OSTI)

    Rubinstein, F. (Lawrence Berkeley Lab., CA (United States))

    1991-10-18

    An advanced electronically ballasted lighting control system was installed in a portion of an office building to measure the energy and demand savings. The lighting control system used an integrated lighting control scenario that included daylight following, lumen depreciation correction, and scheduling. The system reduced lighting energy on weekdays by 62% and 51% in the north and south daylit zones, respectively, compared to a reference zone that did not have controls. During the summer, over 75% energy savings were achieved on weekdays in the north daylit zone. Even in the south interior zone, which benefitted lime from daylight, correction strategies and adjustment of the aisleway lights to a low level resulted in energy use of only half that of the reference zone. Although, in general, the savings varied over the year due to changing daylight conditions, the energy reduction achieved with controls could be fit using a simple analytical model. Significant savings also occurred during core operating hours when it is more expensive to supply and use energy. Compared to the usage in the reference zone, energy reductions of 49%, 44%, and 62% were measured in the south daylight, south interior, and north daylight zones, respectively, during core operating hours throughout the year. Lighting energy usage on weekends decreased dramatically in the zones with controls, with the usage in the north daylit zone only 10% that of the reference zone. A simple survey developed to assess occupant response to the lighting control system showed that the occupants were satisfied with the light levels provided.

  13. Long-Term Instrumentation, Information, and Control Systems (II&C) Modernization Future Vision and Strategy

    SciTech Connect (OSTI)

    Kenneth Thomas

    2012-02-01

    Life extension beyond 60 years for the U.S operating nuclear fleet requires that instrumentation and control (I&C) systems be upgraded to address aging and reliability concerns. It is impractical for the legacy systems based on 1970's vintage technology operate over this extended time period. Indeed, utilities have successfully engaged in such replacements when dictated by these operational concerns. However, the replacements have been approached in a like-for-like manner, meaning that they do not take advantage of the inherent capabilities of digital technology to improve business functions. And so, the improvement in I&C system performance has not translated to bottom-line performance improvement for the fleet. Therefore, wide-scale modernization of the legacy I&C systems could prove to be cost-prohibitive unless the technology is implemented in a manner to enable significant business innovation as a means of off-setting the cost of upgrades. A Future Vision of a transformed nuclear plant operating model based on an integrated digital environment has been developed as part of the Advanced Instrumentation, Information, and Control (II&C) research pathway, under the Light Water Reactor (LWR) Sustainability Program. This is a research and development program sponsored by the U.S. Department of Energy (DOE), performed in close collaboration with the nuclear utility industry, to provide the technical foundations for licensing and managing the long-term, safe and economical operation of current nuclear power plants. DOE's program focus is on longer-term and higher-risk/reward research that contributes to the national policy objectives of energy security and environmental security . The Advanced II&C research pathway is being conducted by the Idaho National Laboratory (INL). The Future Vision is based on a digital architecture that encompasses all aspects of plant operations and support, integrating plant systems, plant work processes, and plant workers in a seamless digital environment to enhance nuclear safety, increase productivity, and improve overall plant performance. The long-term goal is to transform the operating model of the nuclear power plants (NPP)s from one that is highly reliant on a large staff performing mostly manual activities to an operating model based on highly integrated technology with a smaller staff. This digital transformation is critical to addressing an array of issues facing the plants, including aging of legacy analog systems, potential shortage of technical workers, ever-increasing expectations for nuclear safety improvement, and relentless pressure to reduce cost. The Future Vision is based on research is being conducted in the following major areas of plant function: (1) Highly integrated control rooms; (2) Highly automated plant; (3) Integrated operations; (4) Human performance improvement for field workers; and (5) Outage safety and efficiency. Pilot projects will be conducted in each of these areas as the means for industry to collectively integrate these new technologies into nuclear plant work activities. The pilot projects introduce new digital technologies into the nuclear plant operating environment at host operating plants to demonstrate and validate them for production usage. In turn, the pilot project technologies serve as the stepping stones to the eventual seamless digital environment as described in the Future Vision.

  14. Long-Term Instrumentation, Information, and Control Systems (II&C) Modernization Future Vision and Strategy

    SciTech Connect (OSTI)

    Kenneth Thomas; Bruce Hallbert

    2013-02-01

    Life extension beyond 60 years for the U.S operating nuclear fleet requires that instrumentation and control (I&C) systems be upgraded to address aging and reliability concerns. It is impractical for the legacy systems based on 1970’s vintage technology operate over this extended time period. Indeed, utilities have successfully engaged in such replacements when dictated by these operational concerns. However, the replacements have been approached in a like-for-like manner, meaning that they do not take advantage of the inherent capabilities of digital technology to improve business functions. And so, the improvement in I&C system performance has not translated to bottom-line performance improvement for the fleet. Therefore, wide-scale modernization of the legacy I&C systems could prove to be cost-prohibitive unless the technology is implemented in a manner to enable significant business innovation as a means of off-setting the cost of upgrades. A Future Vision of a transformed nuclear plant operating model based on an integrated digital environment has been developed as part of the Advanced Instrumentation, Information, and Control (II&C) research pathway, under the Light Water Reactor (LWR) Sustainability Program. This is a research and development program sponsored by the U.S. Department of Energy (DOE), performed in close collaboration with the nuclear utility industry, to provide the technical foundations for licensing and managing the long-term, safe and economical operation of current nuclear power plants. DOE’s program focus is on longer-term and higher-risk/reward research that contributes to the national policy objectives of energy security and environmental security . The Advanced II&C research pathway is being conducted by the Idaho National Laboratory (INL). The Future Vision is based on a digital architecture that encompasses all aspects of plant operations and support, integrating plant systems, plant work processes, and plant workers in a seamless digital environment to enhance nuclear safety, increase productivity, and improve overall plant performance. The long-term goal is to transform the operating model of the nuclear power plants (NPP)s from one that is highly reliant on a large staff performing mostly manual activities to an operating model based on highly integrated technology with a smaller staff. This digital transformation is critical to addressing an array of issues facing the plants, including aging of legacy analog systems, potential shortage of technical workers, ever-increasing expectations for nuclear safety improvement, and relentless pressure to reduce cost. The Future Vision is based on research is being conducted in the following major areas of plant function: 1. Highly integrated control rooms 2. Highly automated plant 3. Integrated operations 4. Human performance improvement for field workers 5. Outage safety and efficiency. Pilot projects will be conducted in each of these areas as the means for industry to collectively integrate these new technologies into nuclear plant work activities. The pilot projects introduce new digital technologies into the nuclear plant operating environment at host operating plants to demonstrate and validate them for production usage. In turn, the pilot project technologies serve as the stepping stones to the eventual seamless digital environment as described in the Future Vision.

  15. Evaluating the Long-term Impact of a Continuously Increasing Harmonic Load Demand on Feeder Level Voltage Distortion

    E-Print Network [OSTI]

    Simões, Marcelo Godoy

    this paper the authors analyze the long-term feeder level distortion possibilities based on a large number of nonlinear devices within residential households has led some electric utility companies to become more. With an expectation of higher penetrations of electric vehicle chargers and renewable energy devices

  16. Gas Generation Rates as an Indicator for the Long Term Stability of Radioactive Waste Products

    SciTech Connect (OSTI)

    Steyer, S.; Brennecke, P.; Bandt, G.; Kroger, H.

    2007-07-01

    Pursuant to the 'Act on the Peaceful Utilization of Atomic Energy and the Protection against its Hazards' (Atomic Energy Act) the Federal Office for Radiation Protection (Bundesamt fuer Strahlenschutz, BfS) is legally responsible for the construction and operation of federal facilities for the disposal of radioactive waste. Within the scope of this responsibility, particular due to par. 74(1) Ordinance on Radiation Protection, BfS defines all safety-related requirements on waste packages envisaged for disposal, establishes guidelines for the conditioning of radioactive waste and approves the fulfillment of the waste acceptance requirements within the radioactive waste quality control system. BfS also provides criteria to enable the assessment of methods for the treatment and packaging of radioactive waste to produce waste packages suitable for disposal according to par. 74(2) Ordinance on Radiation Protection. Due to the present non-availability of a repository in Germany, quality control measures for all types of radioactive waste products are carried out prior to interim storage with respect to the future disposal. As a result BfS approves the demonstrated properties of the radioactive waste packages and confirms the fulfillment of the respective requirements. After several years of storage the properties of waste packages might have changed. By proving, that such changes have no significant impact on the quality of the waste product, the effort of requalification could be minimized. Therefore, data on the long-term behavior of radioactive waste products need to be acquired and indicators to prove the long-term stability have to be quantified. Preferably, such indicators can be determined easily with non-destructive methods, even for legacy waste packages. A promising parameter is the gas generation rate. The relationship between gas generation rate and long term stability is presented as first result of an ongoing study on behalf of BfS. Permissible gas generation rates that ensure adequate product stability with respect to future disposal are to be identified. (authors)

  17. Predicting long-term moisture contents of earthen covers at uranium mill tailings sites

    SciTech Connect (OSTI)

    Gee, G.W.; Nielson, K.K.; Rogers, V.C.

    1984-09-01

    The three methods for long-term moisture prediction covered in this report are: estimates from water retention (permanent wilting point) data, correlation with climate and soil type, and detailed model simulation. The test results have shown: soils vary greatly in residual moisture. Expected long-term moisture saturation ratios (based on generalized soil characteristics) range from 0.2 to 0.8 for soils ranging in texture from sand to clay, respectively. These values hold for noncompacted field soils. Measured radon diffusion coefficients for soils at 15-bar water contents ranged from 5.0E-2 cm/sup 2//s to 5.0E-3 cm/sup 2//s for sands and clays, respectively, at typical field densities. In contrast, fine-textured pit-run earthen materials, subjected to optimum compaction (>85% Proctor density) and dried to the 15-bar water content, ranged from 0.7 to 0.9 moisture saturation. Compacted pit-run soils at these moisture contents exhibited radon diffusion coefficients as low as 3.0E-4 cm/sup 2//s. The residual moisture saturation for cover soils is not known since no engineered barrier has been in place for more than a few years. A comparison of methods for predicting moisture saturation indicates that model simulations are useful for predicting effects of climatic changes on residual soil moisture, but that long-term moisture also can be predicted with some degree of confidence using generalized soil properties or empirical correlations based both on soils and climatic information. The optimal soil cover design will likely include more than one layer of soil. A two-layer system using a thick (1-m minimum) plant root zone of uncompacted soil placed over a moistened, tightly compacted fine-textured soil is recommended. This design concept has been tested successfully at the Grand Junction, Colorado, tailings piles.

  18. Long-term proliferation and safeguards issues in future technologies

    SciTech Connect (OSTI)

    Keisch, B.; Auerbach, C.; Fainberg, A.; Fiarman, S.; Fishbone, L.G.; Higinbotham, W.A.; Lemley, J.R.; O'Brien, J.

    1986-02-01

    The purpose of the task was to assess the effect of potential new technologies, nuclear and non-nuclear, on safeguards needs and non-proliferation policies, and to explore possible solutions to some of the problems envisaged. Eight subdivisions were considered: New Enrichment Technologies; Non-Aqueous Reprocessing Technologies; Fusion; Accelerator-Driven Reactor Systems; New Reactor Types; Heavy Water and Deuterium; Long-Term Storage of Spent Fuel; and Other Future Technologies (Non-Nuclear). For each of these subdivisions, a careful review of the current world-wide effort in the field provided a means of subjectively estimating the viability and qualitative probability of fruition of promising technologies. Technologies for which safeguards and non-proliferation requirements have been thoroughly considered by others were not restudied here (e.g., the Fast Breeder Reactor). The time scale considered was 5 to 40 years for possible initial demonstration although, in some cases, a somewhat optimistic viewpoint was embraced. Conventional nuclear-material safeguards are only part of the overall non-proliferation regime. Other aspects are international agreements, export controls on sensitive technologies, classification of information, intelligence gathering, and diplomatic initiatives. The focus here is on safeguards, export controls, and classification.

  19. Stereotactic Radiosurgery for Acoustic Neuromas: What Happens Long Term?

    SciTech Connect (OSTI)

    Roos, Daniel E., E-mail: daniel.roos@health.sa.gov.au [Department of Radiation Oncology, Royal Adelaide Hospital, Adelaide, South Australia (Australia); University of Adelaide School of Medicine, Adelaide, South Australia (Australia); Potter, Andrew E. [Department of Radiation Oncology, Royal Adelaide Hospital, Adelaide, South Australia (Australia); Brophy, Brian P. [Department of Neurosurgery, Royal Adelaide Hospital, Adelaide, South Australia (Australia); University of Adelaide School of Medicine, Adelaide, South Australia (Australia)

    2012-03-15

    Purpose: To determine the clinical outcomes for acoustic neuroma treated with low-dose linear accelerator stereotactic radiosurgery (SRS) >10 years earlier at the Royal Adelaide Hospital using data collected prospectively at a dedicated SRS clinic. Methods and Materials: Between November 1993 and December 2000, 51 patients underwent SRS for acoustic neuroma. For the 44 patients with primary SRS for sporadic (unilateral) lesions, the median age was 63 years, the median of the maximal tumor diameter was 21 mm (range, 11-34), and the marginal dose was 14 Gy for the first 4 patients and 12 Gy for the other 40. Results: The crude tumor control rate was 97.7% (1 patient required salvage surgery for progression at 9.75 years). Only 8 (29%) of 28 patients ultimately retained useful hearing (interaural pure tone average {<=}50 dB). Also, although the Kaplan-Meier estimated rate of hearing preservation at 5 years was 57% (95% confidence interval, 38-74%), this decreased to 24% (95% confidence interval, 11-44%) at 10 years. New or worsened V and VII cranial neuropathy occurred in 11% and 2% of patients, respectively; all cases were transient. No case of radiation oncogenesis developed. Conclusions: The long-term follow-up data of low-dose (12-14 Gy) linear accelerator SRS for acoustic neuroma have confirmed excellent tumor control and acceptable cranial neuropathy rates but a continual decrease in hearing preservation out to {>=}10 years.

  20. Global recycling services for short and long term risk reduction

    SciTech Connect (OSTI)

    Arslan, M.; Grygiel, J.M.; Drevon, C.; Lelievre, F.; Lesage, M.; Vincent, O.

    2013-07-01

    New schemes are being developed by AREVA in order to provide global solutions for safe and non-proliferating management of used fuels, thereby significantly contributing to overall risks reduction and sustainable nuclear development. Utilities are thereby provided with a service through which they will be able to send their used fuels and only get returned vitrified and compacted waste, the only waste remaining after reprocessing. This waste is stable, standard and has demonstrated capability for very long term interim storage. They are provided as well with associated facilities and all necessary services for storage in a demonstrated safely manner. Recycled fuels, in particular MOX, would be used either in existing LWRs or in a very limited number of full MOX reactors (like the EPR reactor), located in selected countries, that will recycle MOX so as to downgrade the isotopic quality of the Pu inventories in a significant manner. Reprocessed uranium also can be recycled. These schemes, on top of offering demonstrated operational advantages and a responsible approach, result into optimized economics for all shareholders of the scheme, as part of reactor financing (under Opex or Capex form) will be secured thanks to the value of the recycled flows. It also increases fuel cost predictability as recycled fuel is not subject to market fluctuations as much and allows, in a limited span of time, for clear risk mitigation. (authors)

  1. Evaluation of an 18-year CMAQ simulation: Seasonal variations and long-term temporal changes in sulfate and nitrate

    E-Print Network [OSTI]

    largely captures the seasonal and long-term changes in sulfur compounds. The modeling system generally and measured concentrations of sulfur and nitrogen compounds in wet and dry deposition over an 18-year period resulted in large decreases in sulfur dioxide (SO2) emissions by 1995, and nitrogen oxide (NOx) trading

  2. Oil price shocks and their short-and long-term effects on the Chinese economy Weiqi Tang a

    E-Print Network [OSTI]

    Matthews, Adrian

    a historical record of US$147 per barrel in July 2008. The adverse impact of such oil-price shocksOil price shocks and their short- and long-term effects on the Chinese economy Weiqi Tang a , Libo-correction model Oil-price shocks Price transmission mechanisms Investment Output Producer/consumer price index

  3. Greenhouse gas emission impacts of alternative-fueled vehicles: Near-term vs. long-term technology options

    SciTech Connect (OSTI)

    Wang, M.Q.

    1997-05-20

    Alternative-fueled vehicle technologies have been promoted and used for reducing petroleum use, urban air pollution, and greenhouse gas emissions. In this paper, greenhouse gas emission impacts of near-term and long-term light-duty alternative-fueled vehicle technologies are evaluated. Near-term technologies, available now, include vehicles fueled with M85 (85% methanol and 15% gasoline by volume), E85 (85% ethanol that is produced from corn and 15% gasoline by volume), compressed natural gas, and liquefied petroleum gas. Long-term technologies, assumed to be available around the year 2010, include battery-powered electric vehicles, hybrid electric vehicles, vehicles fueled with E85 (ethanol produced from biomass), and fuel-cell vehicles fueled with hydrogen or methanol. The near-term technologies are found to have small to moderate effects on vehicle greenhouse gas emissions. On the other hand, the long-term technologies, especially those using renewable energy (such as biomass and solar energy), have great potential for reducing vehicle greenhouse gas emissions. In order to realize this greenhouse gas emission reduction potential, R and D efforts must continue on the long-term technology options so that they can compete successfully with conventional vehicle technology.

  4. Long term laboratory corrosion monitoring of calcine bin set materials exposed to zirconia calcine

    SciTech Connect (OSTI)

    Dirk, W.J.

    1994-06-01

    Corrosion testing of Type 1025 carbon steel, 405, 304, 304L, 316L, and 347 stainless steels, and 6061-T6 aluminum were conducted in synthetic zirconia calcine to model long term corrosion performance of bin set material. Testing was conducted over a period of 17 years. The existing calcine bin set {number_sign}1 is constructed of Type 405 stainless steel, 2 through 4 are constructed of Type 304 stainless steel and 5 through 7 are constructed of Type 304L stainless steel. The highest rate observed for Type 304L stainless steel was 8.1 {times} 10{sup {minus}7} inches per month. This would equal a wall thickness loss of about 5 mils after 500 years of storage. Currently, the established schedule for removal of corrosion test coupons from the calcine storage bins is at the end of the 10th, 100th, 250th, and 450th year of solid storage service. Very low corrosion rates and metal oxide data determined from the long term laboratory test, in conjunction with corrosion rates from the coupon assessment of the second bin set, indicate this schedule should be revised from 10 years to 50 years for the first assessment.

  5. Long-term impacts of aerosols on vertical development of cloud and precipitation

    SciTech Connect (OSTI)

    Li Z.; Liu Y.; Niu, F.; Fan, J.; Rosenfeld, D.; Ding, Y.

    2011-11-13

    Aerosols alter cloud density and the radiative balance of the atmosphere. This leads to changes in cloud microphysics and atmospheric stability, which can either suppress or foster the development of clouds and precipitation. The net effect is largely unknown, but depends on meteorological conditions and aerosol properties. Here, we examine the long-term impact of aerosols on the vertical development of clouds and rainfall frequencies, using a 10-year dataset of aerosol, cloud and meteorological variables collected in the Southern Great Plains in the United States. We show that cloud-top height and thickness increase with aerosol concentration measured near the ground in mixed-phase clouds-which contain both liquid water and ice-that have a warm, low base. We attribute the effect, which is most significant in summer, to an aerosol-induced invigoration of upward winds. In contrast, we find no change in cloud-top height and precipitation with aerosol concentration in clouds with no ice or cool bases. We further show that precipitation frequency and rain rate are altered by aerosols. Rain increases with aerosol concentration in deep clouds that have a high liquid-water content, but declines in clouds that have a low liquid-water content. Simulations using a cloud-resolving model confirm these observations. Our findings provide unprecedented insights of the long-term net impacts of aerosols on clouds and precipitation.

  6. Effect of interconnect creep on long-term performance of SOFC of one cell stacks

    SciTech Connect (OSTI)

    Liu, Wenning N.; Sun, Xin; Khaleel, Mohammad A.

    2008-02-01

    Creep deformation becomes relevant for a material when the operating temperature is near or exceeds half of its melting temperature (in degrees of Kelvin). The operating temperatures for most of the solid oxide fuel cells (SOFC) under development in the SECA program are around 1073oK. High temperature ferritic alloys are potential candidates as interconnect (IC) materials and spacers due to their low cost and CTE compatibility with other SOFC components. Since the melting temperature of most stainless steel is around 1800oK, possible creep deformation of IC under the typical cell operating temperature should not be neglected. In this paper, the effects of interconnect creep behavior on stack geometry change and stress redistribution of different cell components are predicted and summarized. The goal of the study is to investigate the performance of the fuel cell stack by obtaining the fuel and air channel geometry changes due to creep of the ferritic stainless steel interconnect, therefore indicating possible SOFC performance change under long term operations. IC creep models were incorporated into SOFC-MP and Mentat FC, and finite element analyses were performed to quantify the deformed configuration of the SOFC stack under the long term steady state operating temperature. It is found that creep behavior of the ferritic stainless steel IC contributes to narrowing of both the fuel and the air flow channels. In addition, stress re-distribution of the cell components suggests the need for a compliant sealing material that also relaxes at operating temperature.

  7. SMART: A Stochastic Multiscale Model for the Analysis of Energy Resources, Technology and Policy

    E-Print Network [OSTI]

    Powell, Warren B.

    -use strategies (level of demand, demand response). A major component will be renewable energy that depend from wind, demands, prices and rainfall. We also wish to model long-term investment decisions demonstrate the methodology using both spatially aggregate and disaggregate representations of energy supply

  8. LEDS Tool: Step-By-Step Guidance to a Long-Term Framework for...

    Open Energy Info (EERE)

    Guidance to a Long-Term Framework for Continuous Sustainable Development Cooperation AgencyCompany Organization: International Partnership on Mitigation and MRV Partner:...

  9. IMAGE RETRIEVAL OVER NETWORKS: ANT ALGORITHM FOR LONG TERM ACTIVE David Picard1

    E-Print Network [OSTI]

    IMAGE RETRIEVAL OVER NETWORKS: ANT ALGORITHM FOR LONG TERM ACTIVE LEARNING David Picard1 , Arnaud of relevant images from the interaction with the user. We carr

  10. The Battle for Development: Economic Growth versus Institutions, Fighting for Long-term Sustainable Outcomes

    E-Print Network [OSTI]

    Brown, Hannah K.

    2014-01-01

    secure long-term sustainable development have fallen shortlong- term sustainable development. Keywords: Development;SSA) looking to reach sustainable development the question

  11. LONG TERM FILE MIGRATION - PART I: FILE REFERENCE PATTERNS

    E-Print Network [OSTI]

    Smith, A.J.

    2011-01-01

    death). or even and a renewal model two state Semi-MarkovThus model for those files displaying no trend, a renewal

  12. Contextual Activity Visualization from Long-Term Video Observations

    E-Print Network [OSTI]

    Morris, Brendan; Trivedi, Mohan Manubhai

    2010-01-01

    Data- base maintenance updates training data for adaptive models,data- base is accumulated by collecting the appropriate signals over a sufficient time period. Analysis models

  13. Forecasting long-term gas production from shale

    E-Print Network [OSTI]

    Cueto-Felgueroso, Luis

    Oil and natural gas from deep shale formations are transforming the United States economy and its energy outlook. Back in 2005, the US Energy Information Administration published projections of United States natural gas ...

  14. Properties of NAC and CV[NAC] for Energy Models 

    E-Print Network [OSTI]

    Ruch, D. K.

    1993-01-01

    ESL-TR-93/05-03 Properties of CV [NAC] for Linear Energy Models David K. Ruch Sam Houston State University k Energy Systems Laboratory May 1993 1. Introduction and Notation The stability of the NAC estimate for the PRISM model has been shown em... for many linear energy models of the form E = a + bT and a large range of temperature data sets. Define TL, as in Fels [1], to be the long-term average temperature (30 years is recommended). Then recall that the parameters a, b, and NAC for the model E = a...

  15. Long-term timing and glitch characteristics of anomalous X-ray pulsar 1RXS J170849.0–400910

    SciTech Connect (OSTI)

    Mu?, Sinem ?a?maz; Gö?ü?, Ersin, E-mail: sinemsm@sabanciuniv.edu [Faculty of Engineering and Natural Sciences, Sabanc? University, Orhanl?-Tuzla, 34956 Istanbul (Turkey)

    2013-12-01

    We present the results of our detailed timing studies of an anomalous X-ray pulsar, 1RXS J170849.0–400910, using Rossi X-ray Timing Explorer (RXTE) observations spanning over ?6 yr from 2005 until the end of the RXTE mission. We constructed the long-term spin characteristics of the source and investigated the time and energy dependence of the pulse profile and pulsed count rates. We find that the pulse profile and pulsed count rates in the 2-10 keV band do not show any significant variations in ?6 yr. 1RXS J170849.0–400910 has been the most frequently glitching anomalous X-ray pulsar: three spin-up glitches and three candidate glitches were observed prior to 2005. Our extensive search for glitches later in the timeline resulted in no unambiguous glitches, though we identified two glitch candidates (with ??/? ? 10{sup –6}) in two data gaps: a strong candidate around MJD 55532 and another one around MJD 54819, which is slightly less robust. We discuss our results in the context of pulsar glitch models and expectancy of glitches within the vortex unpinning model.

  16. Los Alamos National Laboratory announces strategy for long-term...

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

    sustainable energy sources, to plasma physics and new materials. Contact Colleen Curran Communications Office (505) 664-0344 Email Complying with environmental regulations is...

  17. Long-term Stewardship of Mixed Wastes: Passive Reactive Barriers...

    Office of Scientific and Technical Information (OSTI)

    to develop a subsurface remediation technology for mixed wastes at Department of Energy sites using a group of common soil bacteria of the genus Cellulomonas. We are...

  18. Long-Term Stewardship of Mixed Wastes: Passive Reactive Barriers...

    Office of Scientific and Technical Information (OSTI)

    developing a subsurface remediation technology for mixed wastes at Department of Energy sites using a group of common soil bacteria of the genus Cellulomonas. We have been...

  19. Long-term desorption behavior of uranium and neptunium in heterogeneous volcanic tuff materials /

    SciTech Connect (OSTI)

    Dean, Cynthia A.

    2010-05-01

    Uranium and neptunium desorption were studied in long-term laboratory experiments using four well-characterized volcanic tuff cores collected from southeast of Yucca Mountain, Nevada. The objectives of the experiments were to 1. Demonstrate a methodology aimed at characterizing distributions of sorption parameters (attributes of multiple sorption sites) that can be applied to moderately-sorbing species in heterogeneous systems to provide more realistic reactive transport parameters and a more realistic approach to modeling transport in heterogeneous systems. 2. Focus on uranium and neptunium because of their high solubility, relatively weak sorption, and high contributions to predicted dose in Yucca Mountain performance assessments. Also, uranium is a contaminant of concern at many DOE legacy sites and uranium mining sites.

  20. Long-term pulse profile study of the Be/X-ray pulsar SAX J2103.5+4545

    E-Print Network [OSTI]

    A. Camero Arranz; C. A. Wilson; M. H. Finger; V. Reglero

    2007-03-03

    Aims. We present the first long-term pulse profile study of the X-ray pulsar SAX J2103.5+4545. Our main goal is to study the pulse shape correlation either with luminosity, time or energy. Methods. This Be/X-ray binary system was observed from 1999 to 2004 by RXTE PCA, and by INTEGRAL from 2002 to 2005, during the Performance and Verification (PV) phase and the Galactic Plane Scan survey (GPS). X-ray pulse profiles were obtained in different energy ranges. The long-term spectral variability of this source is studied. The long-term flux, frequency and spin-up rate histories are computed. A new set of orbital parameters are also determined. Results. The pulse shape is complex and highly variable either with time or luminosity. However, an energy dependence pattern was found. Single, double, triple or even quadruple peaks pulse profile structure was obtained. It was confirmed that SAX J2103.5+4545 becomes harder when the flux is higher. The new orbital solution obtained is: P_orb= 12.66528+-0.00051 days, e = 0.401+-0.018, w = 241.36+-2.18 and a_xsin i = 80.81+-0.67 lt-s.

  1. The Impacts of Wind Speed Trends and Long-term Variability in Relation to Hydroelectric

    E-Print Network [OSTI]

    Kohfeld, Karen

    The Impacts of Wind Speed Trends and Long- term Variability in Relation to Hydroelectric Reservoir and Long-term Variability in Relation to Hydroelectric Reservoir Inflows on Wind Power in the Pacific through diversification. In hydroelectric dominated systems, like the PNW, the benefits of wind power can

  2. Report TKK-ENY-9 Mineral carbonation for long-term storage of CO2

    E-Print Network [OSTI]

    Zevenhoven, Ron

    Report TKK-ENY-9 Mineral carbonation for long-term storage of CO2 from flue gases Jens Kohlmann 1 University of Technology was "Mineral carbonation for long-term storage of CO2 from flue gases"; the progress storage by mineral carbonation in Finland (CO2 lagring genom mineral karbonering i Finland)" Ron

  3. Development/Plasticity/Repair Dendritic Spine Dynamics Regulate the Long-Term Stability

    E-Print Network [OSTI]

    van Rossum, Mark

    Development/Plasticity/Repair Dendritic Spine Dynamics Regulate the Long-Term Stability of Synaptic Plasticity Cian O'Donnell,1,2 Matthew F. Nolan,3 and Mark C. W. van Rossum1 1Institute for Adaptive of Edinburgh, Edinburgh EH8 9XD, United Kingdom Long-term synaptic plasticity requires postsynaptic influx

  4. Development/Plasticity/Repair Simultaneous NMDA-Dependent Long-Term Potentiation of

    E-Print Network [OSTI]

    Segal, Menahem

    Development/Plasticity/Repair Simultaneous NMDA-Dependent Long-Term Potentiation of EPSCs and Long activity-dependent long-term plasticity of neuronal networks is the interplay between excitatory, whereas a nitric oxide synthase inhibitor was ineffec- tive. Finally, network-induced plasticity

  5. 4. Advancement and Long-term Institutional Resources v. Funding Sources and Financial Health

    E-Print Network [OSTI]

    Zandstra, Peter W.

    4. Advancement and Long-term Institutional Resources v. Funding Sources and Financial Health NumberofTimes #12;4. Advancement and Long-term Institutional Resources v. Funding Sources and Financial: Information on the financial health and credit ratings of the University of Toronto is useful to governors

  6. Long-term climate variability and abrupt climate change Instructor: Dr. Igor Kamenkovich, associate professor

    E-Print Network [OSTI]

    Miami, University of

    Long-term climate variability and abrupt climate change Instructor: Dr. Igor Kamenkovich, associate students to learn about existing theories of abrupt climate changes and climate variability on time scales of long-term climate variability and abrupt climate change. This course compliments current MPO courses

  7. Towards sustainable land administration systems: Designing for long-term value creation

    E-Print Network [OSTI]

    3-7-2014 1 Towards sustainable land administration systems: Designing for long-term value creation Zevenbergen Towards sustainable land administration systems Designing for long-term value creation `There, Kuala Lumpur, Malaysia, 16 ­ 21 June 2014 3-7-2014 2 Towards sustainable land administration systems

  8. Calculating Long-Term Trends in the Real Real Prices of Primary Commodities

    E-Print Network [OSTI]

    Calculating Long-Term Trends in the Real Real Prices of Primary Commodities: Deflator Adjustment method for re-assessing all earlier studies on long-term trends in commodity prices by accounting calculating a corrected `real real' commodity price series, as was done recently, for example, in Svedberg

  9. 1 Long-term volumetric eruption rates and magma budgets 2 Scott M. White

    E-Print Network [OSTI]

    Spera, Frank J.

    1 Long-term volumetric eruption rates and magma budgets 2 Scott M. White 3 Department of Geological compilation of 170 time-averaged volumetric volcanic output rates (Qe) is evaluated in terms 12 of composition 2006. 37 White, S. M., J. A. Crisp, and F. A. Spera (2006), Long-term volumetric eruption rates

  10. Guaranteed Long-Term Savings Persistence, An Owner's Perspective 

    E-Print Network [OSTI]

    Bou-Saada, T. E.; Culp, C.

    2005-01-01

    Cogeneration has become an extremely popular subject when discussing conservation and energy saving techniques. One of the key factors which effect conservation is the utility viewpoint on PURPA and cogeneration rule making. ...

  11. Long Term Applications Received by DOE/FE to Export

    Office of Environmental Management (EM)

    LLC 1.4 Bcfd (d) Approved (10-160-LNG) Approved (F) (10-161-LNG) Lake Charles Exports, LLC 2.0 Bcfd (e) * Approved (11-59-LNG) Approved (C) (11-59-LNG) Carib Energy (USA)...

  12. Report, Long-Term Nuclear Technology Research and Development Plan |

    Energy Savers [EERE]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on DeliciousMathematicsEnergyInterestedReplacement-2-A Wholesale Power Rate ScheduleSHERMANDepartment of Energy

  13. Monitoring the Long-Term Effectiveness of Integrated Safety Management System (ISMS) Implementation Through Use of a Performance Dashboard Process

    SciTech Connect (OSTI)

    Michael D. Kinney and William D. Barrick

    2008-09-01

    This session will examine a method developed by Federal and Contractor personnel at the U.S. Department of Energy, National Nuclear Security Administration Nevada Site Office (NNSA/NSO) to examine long-term maintenance of DOE Integrated Safety Management System (ISMS) criteria, including safety culture attributes, as well as identification of process improvement opportunities. This process was initially developed in the summer of 2000 and has since been expanded to recognize the importance of safety culture attributes, and associated safety culture elements, as defined in DOE M 450.4-1, “Integrated Safety Management System Manual.” This process has proven to significantly enhance collective awareness of the importance of long-term ISMS implementation as well as support commitments by NNSA/NSO personnel to examine the continued effectiveness of ISMS processes.

  14. N. D. Kelley and H. J. Sutherland, "Damage Estimates from Long-Term Structural Analysis of a Wind Turbine in a U.S. Wind Farm Environment," 1997 ASME Wind

    E-Print Network [OSTI]

    Turbine in a U.S. Wind Farm Environment," 1997 ASME Wind Energy Symposium, AIAA/ASME, 1997, pp. 170-179. DAMAGE ESTIMATES FROM LONG-TERM STRUCTURAL ANALYSIS OF A WIND TURBINE IN A U.S. WIND FARM ENVIRONMENT in Row 41 of a wind farm located in San Gorgonio Pass, California. Also, long-term simulations (up to 8

  15. Chapter 5: Long-term benefits analysis of EERE's Programs

    SciTech Connect (OSTI)

    None, None

    2009-01-18

    This chapter provides an overview of the modeling approach used in MARKAL-GPRA05 to evaluate the benefits of EERE R&D programs and technologies. The program benefits reported in this section result from comparisons of each Program Case to the Baseline Case, as modeled in MARKAL-GPRA05.

  16. Long-Term Regional Climate Simulations Driven by Two Global Reanalyses and a GCM for the Western United States

    SciTech Connect (OSTI)

    Leung, Lai R.; Bian, Xindi; Qian, Yun

    2002-01-01

    To take advantage of recent development in the NCAR/Penn State Mesoscale Model (MM5), an effort has been organized to develop and evaluate an MM5-based community regional climate model. Several modifications such as the implementation of the PNNL subgrid parameterization of orographic precipitation, representation of cloud-radiation interaction, and additional output capabilities have been made to the recently released MM5 Version 3.4. To evaluate the model, several long-term simulations have been performed over the western U.S. These simulations were driven by the NCEP/NCAR and ECMWF reanalyses respectively for 20 and 13 years beginning at 1980. The western U.S. is marked by diverse topographic features and varied climate conditions such as the maritime climate in the coastal area and the semi-arid climate in the southwest. We will present results based on two domain configurations: a nested domain with a fine domain covering the western U.S. at 40 km resolution, and a single domain at 60 km resolution with the subgrid orographic precipitation scheme applied in the western U.S. Analyses are being performed to evaluate the simulations of the averaged climate and interannual variability and examine the model sensitivity to different boundary conditions. Our analyses focus on the relationships between large-scale circulation and regional climate features, surface energy and water budgets, orographic precipitation, and hydrologic conditions within selected river basins. Regional simulations are also being performed using large-scale conditions simulated by the NCAR/DOE Parallel Climate Model (PCM). The regional model was used to downscale the ensemble PCM climate change scenarios for periods of 10-20 years in the current and future climate. Results will be analyzed to study the impacts of greenhouse warming on regional water resources in the western U.S.

  17. Subalpine Forest Carbon Cycling Short- and Long-Term Influence ofClimate and Species

    SciTech Connect (OSTI)

    Kueppers, L.; Harte, J.

    2005-08-23

    Ecosystem carbon cycle feedbacks to climate change comprise one of the largest remaining sources of uncertainty in global model predictions of future climate. Both direct climate effects on carbon cycling and indirect effects via climate-induced shifts in species composition may alter ecosystem carbon balance over the long term. In the short term, climate effects on carbon cycling may be mediated by ecosystem species composition. We used an elevational climate and tree species composition gradient in Rocky Mountain subalpine forest to quantify the sensitivity of all major ecosystem carbon stocks and fluxes to these factors. The climate sensitivities of carbon fluxes were species-specific in the cases of relative above ground productivity and litter decomposition, whereas the climate sensitivity of dead wood decay did not differ between species, and total annual soil CO2 flux showed no strong climate trend. Lodge pole pine relative productivity increased with warmer temperatures and earlier snowmelt, while Engelmann spruce relative productivity was insensitive to climate variables. Engelmann spruce needle decomposition decreased linearly with increasing temperature(decreasing litter moisture), while lodgepole pine and subalpine fir needle decay showed a hump-shaped temperature response. We also found that total ecosystem carbon declined by 50 percent with a 2.88C increase in mean annual temperature and a concurrent 63 percent decrease ingrowing season soil moisture, primarily due to large declines in mineral soil and dead wood carbon. We detected no independent effect of species composition on ecosystem C stocks. Overall, our carbon flux results suggest that, in the short term, any change in subalpine forest net carbon balance will depend on the specific climate scenario and spatial distribution of tree species. Over the long term, our carbon stock results suggest that with regional warming and drying, Rocky Mountain subalpine forest will be a net source of carbon to the atmosphere.

  18. Long-term photometry of the Wolf-Rayet stars WR 137, WR 140, WR 148, and WR 153

    E-Print Network [OSTI]

    Kyril P. Panov; Martin Altmann; Wilhelm Seggewiss

    2000-02-10

    In 1991, a long term UBV-photometry campaign of four Wolf-Rayet stars was started using the 60 cm telescope of the National Astronomical Observatory Rozhen, Bulgaria. Here we report on our observational results and discuss the light variations. The star WR 137 showed only random light variations, which are probably due to dynamical wind instabilities but not to eclipses. WR 140 featured a dip in the light curve, the amplitude increasing towards shorter wavelengths. The probable cause is electron and Rayleigh scattering when the star was eclipsed by a dust envelope. In the case of WR 148 we found a period of 4.3 days and significant scatter in the light curves. Additionally there seems to be a long term variation with a period of 4 years. Our photometry of WR 153 is consistent with the quadruple model for this star.

  19. EIS-0269: Long-Term Management of Depleted Uranium Hexaflouride

    Broader source: Energy.gov [DOE]

    The U.S. Department of Energy (DOE) prepared this programmatic environmental impact statement to assess the potential impacts of alternative management strategies for depleted uranium hexafluoride currently stored at three DOE sites: Paducah site near Paducah, Kentucky; Portsmouth site near Portsmouth, Ohio; and K-25 site on the Oak Ridge Reservation in Oak Ridge, Tennessee.

  20. Long term variability of the blazar PKS 2155-304

    E-Print Network [OSTI]

    Chevalier, Jill; Rieger, Frank; Maurin, Gilles; Lenain, Jean-Philippe; Lamanna, Giovanni

    2015-01-01

    Time variability of the photon flux is a known feature of active galactic nuclei (AGN) and in particular of blazars. The high frequency peaked BL Lac (HBL) object PKS 2155-304 is one of the brightest sources in the TeV band and has been monitored regularly with different instruments and in particular with the H.E.S.S. experiment above 200 GeV for more than 11 years. These data together with the observations of other instruments and monitoring programs like SMARTS (optical), Swift-XRT/RXTE/XMM-Newton (X-ray) and Fermi-LAT (100 MeV energy range. Variability studies are made by looking at the lognormality of the light curves and at the fractional root mean square (rms) variability Fvar in several energy bands. Lognormality is found in every energy range and the evolution of Fvar with the energy shows a similar increase both in X-rays and in TeV bands.

  1. Impact of Pyrophoric Events on Long-Term Repository Performance

    SciTech Connect (OSTI)

    Richard Gregg

    2005-09-01

    This paper provides an overview of a feature, event, and process (FEP) screening argument developed for the issue of pyrophoricity as it pertains to the post-closure interment of Department of Energy (DOE) spent nuclear fuel (DSNF) at the Yucca Mountain Repository.

  2. Long Term Applications Received by DOE/FE to Export

    Office of Environmental Management (EM)

    Bcfd: FTA 0.77 Bcfd: non-FTA Approved (11-115-LNG) Approved (F) (11-128-LNG) Jordan Cove Energy Project, L.P. 1.2 Bcfd: FTA 0.8 Bcfd: non-FTA (g) Approved (11-127-LNG)...

  3. Long-term projections of national, regional, and state population

    SciTech Connect (OSTI)

    McDonald, J.F.; South, D.W.

    1986-07-01

    The projections prepared by the US Bureau of the Census are the best available projections of total US population. The DRI projections of population at the regional and state level to the year 2008 are the best available and are consistent with the US Bureau of the Census projections of total US population. The DRI regional and state projections can be extended from 2008 to 2030 with a simple model based on economic opportunity, although an even simpler model - constant shares - is used for the 1985 test runs. The US Bureau of the Census prepares the best available projections of the US age-sex distribution.

  4. Recommendation 188: Long-Term Stewardship Implementation | Department of

    Energy Savers [EERE]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on DeliciousMathematicsEnergyInterested PartiesBuildingBudget ||DepartmentReadout ofRecapping theRecent|

  5. Transition of Long-Term Response Action Management Requirements |

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious RankADVANCEDInstallers/ContractorsPhotovoltaicsState ofSavings forTitleJulyAmyDepartment of Energy

  6. Long-Term Surveillance and Maintenance Requirements for Remediated FUSRAP

    Energy Savers [EERE]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on DeliciousMathematicsEnergyInterested Parties - WAPA PublicLED1,400 Jobs | DepartmentSummary Report |

  7. Long-Term Surveillance and Maintenance Requirements for Remediated FUSRAP

    Energy Savers [EERE]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on DeliciousMathematicsEnergyInterested Parties - WAPA PublicLED1,400 Jobs | DepartmentSummary Report |Sites |

  8. Adapting Advances in Remediation Science to Long-Term Surveillance |

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE: Alternative FuelsofProgram:Y-12 Beta-3AUDIT REPORT:FederalEconomic Dialogue |Energy

  9. Long-Term Feasibility of Agriculture in Zambia

    E-Print Network [OSTI]

    Petta, Jason

    Temperature Radiation from the Sun Rain 2 #12;Types of Evapotranspiration Reference evapotranspiration (ET0 life. Calculated similarly to PET but with a different KC #12;The Crop Coefficient Model 3 #12;Map 4 #12;P(failure) vs. Coefficient of Variation Data used: Shortwave radiation: 400 W m-2 Longwave

  10. Long Term Applications Received by DOE/FE to Export

    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: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustmentsShirleyEnergyTher i nAand DOE Safety StandardsLaborLignol<Colin Colverson,Term Applications

  11. Long-Term Performance of Uranium Tailings Disposal Cells - 13340

    SciTech Connect (OSTI)

    Bostick, Kent; Daniel, Anamary; Pill, Ken [Professional Project Services, Inc., 1100 Bethel Valley Road, Oak Ridge, TN, 37922 (United States)] [Professional Project Services, Inc., 1100 Bethel Valley Road, Oak Ridge, TN, 37922 (United States); Tachiev, Georgio; Noosai, Nantaporn; Villamizar, Viviana [Florida International University, 10555 W. Flagler St., EC 2100, Miami FL, 33174 (United States)] [Florida International University, 10555 W. Flagler St., EC 2100, Miami FL, 33174 (United States)

    2013-07-01

    Recently, there has been interest in the performance and evolution of Uranium Mill Tailings Remedial Action (UMTRA) Project disposal cell covers because some sites are not compliant with groundwater standards. Field observations of UMTRA disposal cells indicate that rock covers tend to become vegetated and that saturated conductivities in the upper portion of radon barriers may increase due to freeze/thaw cycles and biointrusion. This paper describes the results of modeling that addresses whether these potential changes and transient drainage of moisture in the tailings affect overall performance of the disposal cells. A numerical unsaturated/saturated 3-dimensional flow model was used to simulate whether increases in saturated conductivities in radon barriers with rock covers affect the overall performance of the disposal cells using field data from the Shiprock, NM, UMTRA site. A unique modeling approach allowed simulation with daily climatic conditions to determine changes in moisture and moisture flux from the disposal cell. Modeling results indicated that increases in the saturated conductivity at the top of radon barrier do not influence flux from the tailings with time because the tailings behave similar hydraulically to the radon barrier. The presence of a thin layer of low conductivity material anywhere in the cover or tailings restricts flux in the worst case to the saturated conductivity of that material. Where materials are unsaturated at depth within the radon barrier of tailings slimes, conductivities are typically less than 10{sup -8} centimeters per second. If the low conductivity layer is deep within the disposal cell, its saturated properties are less likely to change with time. The significance of this modeling is that operation and maintenance of the disposal cells can be minimized if they are allowed to progress to a natural condition with some vegetation and soil genesis. Because the covers and underlying tailings have a very low saturated hydraulic conductivity after transient drainage, eventually the amount of moisture leaving the tailings has a negligible effect on groundwater quality. Although some of the UMTRA sites are not in compliance with the groundwater standards, the explanation may be legacy contamination from mining, or earlier higher fluxes from the tailings or unlined processing ponds. Investigation of other legacy sources at the UMTRA sites may help explain persistent groundwater contamination. (authors)

  12. LONG-TERM CARE INSURANCE Getting caught unprepared for long-term care needs can have a considerable impact on your financial

    E-Print Network [OSTI]

    , or 121 days, you are eligible for UNUM Life Insurance Company of America's (UNUM) Long-Term Care Plan underwriting to prove that you are insurable. WHAT ABOUT COVERAGE FOR OTHER FAMILY MEMBERS? Coverage for other eligible family members will be medically underwritten. Each family member must complete a statement

  13. Towards Long-Term Corrosion Resistance in FE Service Environments

    SciTech Connect (OSTI)

    G. R. Holcomb and P. Wang

    2010-10-01

    The push for carbon capture and sequestration for fossil fuel energy production has materials performance challenges in terms of high temperature oxidation and corrosion resistance. Such challenges will be illustrated with examples from several current technologies that are close to being realized. These include cases where existing technologies are being modified—for example fireside corrosion resulting from increased corrosivity of flue gas in coal boilers refit for oxy-fuel combustion, or steam corrosion resulting from increased temperatures in advanced ultra supercritical steam boilers. New technology concepts also push the high temperature corrosion and oxidation limits—for example the effects of multiple oxidants during the use of high CO2 and water flue gas used as turbine working fluids.

  14. SOARCA Peach Bottom Atomic Power Station Long-Term Station Blackout Uncertainty Analysis: Knowledge Advancement.

    SciTech Connect (OSTI)

    Gauntt, Randall O.; Mattie, Patrick D.; Bixler, Nathan E.; Ross, Kyle; Cardoni, Jeffrey N; Kalinich, Donald A.; Osborn, Douglas M.; Sallaberry, Cedric Jean-Marie; Ghosh, S. Tina

    2014-02-01

    This paper describes the knowledge advancements from the uncertainty analysis for the State-of- the-Art Reactor Consequence Analyses (SOARCA) unmitigated long-term station blackout accident scenario at the Peach Bottom Atomic Power Station. This work assessed key MELCOR and MELCOR Accident Consequence Code System, Version 2 (MACCS2) modeling uncertainties in an integrated fashion to quantify the relative importance of each uncertain input on potential accident progression, radiological releases, and off-site consequences. This quantitative uncertainty analysis provides measures of the effects on consequences, of each of the selected uncertain parameters both individually and in interaction with other parameters. The results measure the model response (e.g., variance in the output) to uncertainty in the selected input. Investigation into the important uncertain parameters in turn yields insights into important phenomena for accident progression and off-site consequences. This uncertainty analysis confirmed the known importance of some parameters, such as failure rate of the Safety Relief Valve in accident progression modeling and the dry deposition velocity in off-site consequence modeling. The analysis also revealed some new insights, such as dependent effect of cesium chemical form for different accident progressions. (auth)

  15. Uranium enrichment: investment options for the long term

    SciTech Connect (OSTI)

    Not Available

    1983-01-01

    The US government supplies a major portion of the enriched uranium used to fuel most of the nuclear power plants that furnish electricity in the free world. As manager of the US uranium enrichment concern, the Department of Energy (DOE) is investigating a number of technological choices to improve enrichment service and remain a significant world supplier. The Congress will ultimately select a strategy for federal investment in the uranium enrichment enterprise. A fundamental policy choice between possible future roles - that of the free world's main supplier of enrichment services, and that of a mainly domestic supplier - will underlie any investment decision the Congress makes. The technological choices are gaseous diffusion, gas centrifuge, and atomic vapor laser isotope separation (AVLIS). A base plan and four alternatives were examined by DOE and the Congressional Budget Office. In terms of total enterprise costs, Option IV, ultimately relying on advanced gas centrifuges for enrichment services, would offer the most economic approach, with costs over the full projection period totaling $123.5 billion. Option III, ultimately relying on AVLIS without gas centrifuge enrichment or gaseous diffusion, falls next in the sequence, with costs of $128.2 billion. Options I and II, involving combinations of the gas centrifuge and AVLIS technologies, follow closely with costs of $128.7 and $129.6 billion. The base plan has costs of $136.8 billion over the projection period. 1 figure, 22 tables.

  16. Vehicle Technologies Office: Long-Term Lightweight Materials Research (Magnesium and Carbon Fiber)

    Broader source: Energy.gov [DOE]

    The Vehicle Technologies Office supports research into magnesium and carbon fiber reinforced composites, which could reduce the weight of some components by 50-75 percent in the long-term.

  17. An overview of atmospheric deposition chemistry over the Alps: present status and long-term trends

    E-Print Network [OSTI]

    Mailhes, Corinne

    An overview of atmospheric deposition chemistry over the Alps: present status and long-term trends data highlights the importance of continuously monitoring atmospheric deposition chemistry Birmensdorf, Switzerland 5 Institute of Analytical Chemistry (IAC), Vienna University of Technology, 1060

  18. Long-term contracts for new investments in power generation capacity : pain or gain?

    E-Print Network [OSTI]

    Sakhrani, Vivek A. (Vivek Ashok)

    2010-01-01

    In recent years, a debate has ensued regarding the role of long-term power purchase agreements for securing investments in power generation capacity in organized wholesale markets. This thesis illuminates the issues ...

  19. Long-Term Changes in Gas- and Particle-Phase Emissions from On...

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

    Changes in Gas- and Particle-Phase Emissions from On-Road Diesel and Gasoline Vehicles Long-Term Changes in Gas- and Particle-Phase Emissions from On-Road Diesel and Gasoline...

  20. Testing long-term earthquake forecasts: likelihood methods and error diagrams

    E-Print Network [OSTI]

    Kagan, Yan Y

    2009-01-01

    Jackson, 1991. Long-term earthquake clustering, Geophys. J.forecast- ing of earthquakes, J. geophys. Res. , 99(B7),G. M. & Y. Y. Kagan, 1992. Earthquake prediction and its

  1. Long-term functional plasticity in plant hydraulic architecture in response to supplemental moisture

    E-Print Network [OSTI]

    Archer, Steven R.

    Long-term functional plasticity in plant hydraulic architecture in response to supplemental of nearby individuals growing where soil moisture had been supplemented for 14 years. Traditional parameters receiving supplemental moisture consistently showed significant responses in all considered traits related

  2. Long-term surveillance plan for the Falls City Disposal Site, Falls City, Texas

    SciTech Connect (OSTI)

    NONE

    1995-06-01

    This long-term surveillance plan (LTSP) for the Uranium Mill Tailings Remedial Action (UMTRA) Project Falls City disposal site, Falls City, Texas, describes the surveillance activities for the disposal site. DOE will carry out these activities to ensure that the disposal cell continues to function as designed. This LTSP was prepared as a requirement for acceptance under the US Nuclear Regulatory Commission (NRC) general license for custody and long-term care of residual radioactive materials. This LTSP documents whether the land and interests are owned by the United States and details how long-term care of the disposal site will be carried out. It is based on the DOE`s Guidance for Implementing the UMTRA Project Long-term Surveillance Program (DOE, 1992a).

  3. Development of a new test of accelerated long-term forgetting in epilepsy 

    E-Print Network [OSTI]

    Williams, Katie

    2010-11-24

    Accelerated long-term forgetting (ALF) is a novel form of memory impairment in which epilepsy patients demonstrate intact recall and recognition after standard delays, but they show an accelerated rate of forgetting in ...

  4. Long-term care facilities in Ontario, Canada: A waste management overview 

    E-Print Network [OSTI]

    Gales, John; Roy-Poirier, A; Champagne, P

    2009-01-01

    Long-term care (LTC) facilities are growing in number in the province of Ontario. Typically, Canadian LTC facilities house an average of over 100 residents. Environmental concerns associated to waste management in LTC ...

  5. Short-term and long-term reliability studies in the deregulated power systems 

    E-Print Network [OSTI]

    Li, Yishan

    2006-04-12

    then investigate new ways to improve composite power system adequacy in the long-term. Specifically, we propose to use Flexible AC Transmission Systems (FACTS) such as Thyristor Controlled Series Capacitor (TCSC), Static Var Compensator (SVC) and Thyristor...

  6. Delamination Failures in Long-Term Field Aged PV Modules from...

    Office of Environmental Management (EM)

    of Mitsui Chemicals, Inc. on Feb. 26, 2014 during the opening session of the 2013 NREL PV Module Reliability Workshop. It summarizes the study of long-term, field-aged...

  7. Illiquid Housing as Self-Insurance: The Case of Long Term Care

    E-Print Network [OSTI]

    DAVIDOFF, THOMAS

    2007-01-01

    D. Wise, 2000, Aging and housing equity, NBER Working Paperand the liquidity of housing wealth, Journal Of The AmericanIlliquid Housing as Self-Insurance: The Case of Long Term

  8. Guidance for implementing the long-term surveillance program for UMTRA Project Title I Disposal Sites

    SciTech Connect (OSTI)

    1996-02-01

    This guidance document has two purposes: it provides guidance for writing site-specific long-term surveillance plans (LTSP) and it describes site surveillance, monitoring, and long-term care techniques for Title I disposal sites of the Uranium Mill Tailings Radiation Control Act (UMTRCA) (42 USC Section 7901 et seq.). Long-term care includes monitoring, maintenance, and emergency measures needed to protect public health and safety and the environment after remedial action is completed. This document applies to the UMTRCA-designated Title I disposal sites. The requirements for long-term care of the Title I sites and the contents of the LTSPs are provided in U.S. Nuclear Regulatory Commission (NRC) regulations (10 CFR Section 40.27) provided in Attachment 1.

  9. Designing for long-term human-robot interaction and application to weight loss

    E-Print Network [OSTI]

    Kidd, Cory David, 1977-

    2008-01-01

    Human-robot interaction is now well enough understood to allow us to build useful systems that can function outside of the laboratory. This thesis defines sociable robot system in the context of long-term interaction, ...

  10. Behavioral/Systems/Cognitive Integrin Dynamics Produce a Delayed Stage of Long-Term

    E-Print Network [OSTI]

    Wood, Marcelo A.

    of memory research. Evidence that long-term potentiation (LTP), a form of plasticity closely related-mimetic peptides, selective toxins, genetic manipu- lations, or neutralizing antisera has little effect

  11. Long-Term Passivation of Strongly Interacting Metals with Single-Layer Graphene

    E-Print Network [OSTI]

    Weatherup, Robert S.; D'Arsié, Lorenzo; Cabrero-Vilatela, Andrea; Caneva, Sabina; Blume, Raoul; Robertson, John; Schlögl, Robert; Hofmann, Stephan

    2015-10-24

    The long-term (>18 months) protection of Ni surfaces against oxidation under atmospheric conditions is demonstrated by coverage with single-layer graphene, formed by chemical vapor deposition. In situ, depth-resolved X-ray photoelectron spectroscopy...

  12. TECHNICAL NOTES Long-Term Behavior of Water Content and Density

    E-Print Network [OSTI]

    in Champaign, Ill. in 1987. A pond of water 0.31 m deep was maintained on top of the 7.3 m X 14.6 m X 0.9 mTECHNICAL NOTES Long-Term Behavior of Water Content and Density in an Earthen Liner Timothy E of a compacted earthen liner by monitoring the long-term changes in water content and density. The water content

  13. Long term trends in sporadic E layers and electric field over Fortaleza, Brazil

    SciTech Connect (OSTI)

    Abdu, M.A.; Batista, I.S.; Muralikrishna, P.; Sobral, J.H.A. [Instituto Nacional de Pesquisas Espaciais, Sao Jose dos Campos (Brazil)] [Instituto Nacional de Pesquisas Espaciais, Sao Jose dos Campos (Brazil)

    1996-04-01

    This paper reports a study of long term trends in sporadic E observations from an equatorial site, collected from ionosoned data. The secular drift of the magnetic equator, and changes in the equatorial electrojet have manifested substantial long term changes at this site. The authors present trend studies of the different types of Es events and correlate these with electric field and wind variations in the ionosphere.

  14. Experiences of care planning in England: interviews with patients with long term conditions

    E-Print Network [OSTI]

    Newbould, Jenny; Burt, Jenni; Bower, Peter; Blakeman, Tom; Kennedy, Anne; Rogers, Anne; Roland, Martin

    2012-07-25

    such as the stratifi- cation of people with long term conditions according to Cambridge, UK Full list of author information is available at the end of the articlein multimorbidity, with an estimated two thirds of older people having two or more long term conditions. [2... • Thorough peer review • No space constraints or color figure charges • Immediate publication on acceptance • Inclusion in PubMed, CAS, Scopus and Google Scholar • Research which is freely available for redistribution26. Protheroe J, Nutbeam D, Rowlands G...

  15. A Report to Congress on Long-Term Stewardship. Volume I - Summary Report

    SciTech Connect (OSTI)

    2001-01-01

    During World War II and the Cold War, the Federal government developed and operated a vast network of industrial facilities for the research, production, and testing of nuclear weapons, as well as for other scientific and engineering research. These processes left a legacy of radioactive and chemical waste, environmental contamination, and hazardous facilities and materials at well over a 100 sites in 30 States and one U.S. Territory. Hundreds of thousands of acres of residually contaminated soils, contaminated groundwater, surface water and sediment contamination, and contaminated buildings are present at many sites across the country. These sites range in size from less than one acre, containing only a single facility, to large sites spanning over 100,000 acres with huge uranium enrichment plants and plutonium processing canyons. Since 1989, the U.S. Department of Energy’s (DOE) Environmental Management (EM) program has made significant progress in addressing this environmental legacy. Millions of cubic meters of waste have been removed, stabilized, or disposed of, resulting in significant risk and cost reduction. In addition, DOE began disposing of transuranic (i.e., plutonium-contaminated) waste in the nation’s first deep geologic repository – the Waste Isolation Pilot Plant in New Mexico. DOE is now carrying out its long-term stewardship obligations at dozens of sites, including smaller sites where DOE has completed cleanup work for the entire site and many larger sites where DOE has remediated portions of the site.

  16. A Report to Congress on Long-Term Stewardship. Volume II, Site Summaries

    SciTech Connect (OSTI)

    2001-01-01

    During World War II and the Cold War, the Federal government developed and operated a vast network of industrial facilities for the research, production, and testing of nuclear weapons, as well as for other scientific and engineering research. These processes left a legacy of radioactive and chemical waste, environmental contamination, and hazardous facilities and materials at well over a 100 sites in 30 States and one U.S. Territory. Hundreds of thousand of acres of residually contaminated soils, contaminated groundwater, surface water and sediment contamination, and contaminated buildings are present at many sites across the country. These sites range in size from less than one acre, containing only a single facility, to large sites spanning over 100,000 acres with huge uranium enrichment plants and plutonium processing canyons. Since 1989, the U.S. Department of Energy’s (DOE) Environmental Management (EM) program has made significant progress in addressing this environmental legacy. Millions of cubic meters of waste have been removed, stabilized, or disposed of, resulting in significant risk and cost reduction. In addition, DOE began disposing of transuranic (i.e., plutonium-contaminated) waste in the nation’s first deep geologic repository – the Waste Isolation Pilot Plant in New Mexico. DOE is now carrying out its long-term stewardship obligations at dozens of sites, including smaller sites where DOE has completed cleanup work for the entire site and many larger sites where DOE has remediated portions of the site.

  17. Long-Term Surveillance and Maintenance Records: Maintaining Access to the Knowledge - 13122

    SciTech Connect (OSTI)

    Montgomery, John; Gueretta, Jeanie; McKinney, Ruth; Anglim, Cliff

    2013-07-01

    The U.S. Department of Energy (DOE) Office of Legacy Management (LM) is an integral part of DOE's strategy to ensure that legacy liabilities of former nuclear weapons production sites are properly managed following the completion of environmental cleanup activities. In the area of environmental legacy management, records management is crucial to the protection of health, environmental, and legal interests of the Department and the public. LM is responsible for maintaining long-term surveillance and maintenance (LTS and M) records in performance of its mission. Maintaining access to the knowledge contained in these record collections is one of LM's primary responsibilities. To fulfill this responsibility, LM established a consolidated records management facility, the LM Business Center (LMBC), to house physical media records and electronic records. A new electronic record keeping system (ERKS) was needed to replace an obsolete system while helping to ensure LM is able to meet ongoing responsibilities to maintain access to knowledge and control the life cycle management of records. (authors)

  18. Long-Term Surveillance and Maintenance at Rocky Flats: Early Experiences and Lessons Learned

    SciTech Connect (OSTI)

    Surovchak, S.; Kaiser, L.; DiSalvo, R.; Boylan, J.; Squibb, G.; Nelson, J.; Darr, B.; Hanson, M.

    2008-07-01

    The U.S. Department of Energy's (DOE's) Rocky Flats Site was established in 1951 as part of the United States' nationwide nuclear weapons complex to manufacture nuclear weapons components. In 1992 weapons production halted, and the Rocky Flats mission changed to include environmental investigations, cleanup, and site closure. In October 2005, DOE and its contractor completed an accelerated 10-year, $7 billion cleanup of chemical and radiological contamination left from nearly 50 years of production. The cleanup required the decommissioning, decontamination, demolition, and removal of more than 800 structures; removal of more than 500,000 cubic meters of low-level radioactive waste; and remediation of more than 360 potentially contaminated environmental sites. The final remedy for the site was selected in September 2006 and included institutional controls, physical controls, and continued monitoring for the former industrial portion of the site. The remainder of the site, which served as a buffer zone surrounding the former industrial area, was transferred to the U.S. Fish and Wildlife Service in July 2007 for a national wildlife refuge. DOE's Office of Legacy Management is responsible for the long-term surveillance and maintenance of Rocky Flats, which includes remedy implementation activities and general site maintenance. Several factors have complicated the transition from closure to post-closure at Rocky Flats. The early experiences associated with the two years since the physical cleanup and closure work were completed have led to several valuable lessons learned. (authors)

  19. Var C: Long-term photometric and spectral variability of an LBV in M33

    E-Print Network [OSTI]

    Burggraf, B; Bomans, D J; Henze, M; Meusinger, H; Sholukhova, O; Zharova, A; Pellerin, A; Becker, A

    2015-01-01

    So far the highly unstable phase of luminous blue variables (LBVs) has not been understood well. It is still uncertain why and which massive stars enter this phase. Investigating the variabilities by looking for a possible regular or even (semi-)periodic behaviour could give a hint at the underlying mechanism for these variations and might answer the question of where these variabilities originate. Finding out more about the LBV phase also means understanding massive stars better in general, which have (e.g. by enriching the ISM with heavy elements, providing ionising radiation and kinetic energy) a strong and significant influence on the ISM, hence also on their host galaxy. Photometric and spectroscopic data were taken for the LBV Var C in M33 to investigate its recent status. In addition, scanned historic plates, archival data, and data from the literature were gathered to trace Var C's behaviour in the past. Its long-term variability and periodicity was investigated. Our investigation of the variability i...

  20. Long-term and transient forcing of the low ionosphere monitored by SAVNET

    SciTech Connect (OSTI)

    Raulin, Jean-Pierre; Bertoni, Fernando C. P.; Gavilan, Hernan R.; Samanes, Jorge C. [Centro de Radioastronomia e Astrofisica Mackenzie-Escola de Engenharia Universidade Presbiteriana Mackenzie Rua da Consolacao 896, 01302-907, Sao Paulo, SP Brazil (Brazil)

    2010-10-20

    In this paper we present the main findings obtained by the South America VLF NETwork since its installation in the South America territory. In particular we show the capability of the VLF technique to monitor the long-term solar activity and transient solar and geomagnetic disturbances. On long timescales they are indices on the possibility of monitoring the Lyman-{alpha} solar radiation. On shorter timescales we show that the VLF technique is a very sensitive mean of detecting solar X-ray flares. Those small events with a peak power {>=}5x10{sup -7} W/m{sup 2} are detected with a 100% probability. A lower limit for the X-ray power of {approx}2.7 10{sup -7} W/m{sup 2} has been found in order to produce a ionospheric disturbance, and we confirm the important role of the Lyman-{alpha} radiation to form and maintain the low ionospheric D-region. SAVNET has also observed for the first time the ionospheric disturbances produced by outbursts from the magnetar SGR 1550-5408. This genuine detection suggests the possibility of monitoring on a routine basis these objects of fundamental importance in high-energy astrophysics. Finally, we show that SAVNET is well suited for participating to the search for seismo-ionospheric disturbances in order to study the possibility of earthquake events prediction.

  1. Behavioral Response to Hydrogen Fuel Cell Vehicles and Refueling: A Comparative Analysis of Short- and Long-Term Exposure

    E-Print Network [OSTI]

    Martin, Elliot; Shaheen, Susan; Lipman, Timothy; Lidicker, Jeffery

    2008-01-01

    SHORT- AND LONG-TERM EXPOSURE Elliot Martin Graduate StudentREFERENCES 1. Shaheen, Susan, Elliot Martin, and Timothy

  2. Experimental Evaluation of Stable Long-Term Operation of Semiconductor Magnetic Sensors in ITER-Relevant Environment

    E-Print Network [OSTI]

    Experimental Evaluation of Stable Long-Term Operation of Semiconductor Magnetic Sensors in ITER-Relevant Environment

  3. On the Emissivity of Silver Coated Panels, Effect of Long Term Stability and Effect of Coating Thickness

    E-Print Network [OSTI]

    On the Emissivity of Silver Coated Panels, Effect of Long Term Stability and Effect of Coating Thickness

  4. Evaluating, Migrating, and Consolidating Databases and Applications for Long-Term Surveillance and Maintenance Activities at the Rocky Flats Site

    SciTech Connect (OSTI)

    Surovchak, S.; Marutzky, S.; Thompson, B.; Miller, K.; Labonte, E.

    2006-07-01

    The U.S. Department of Energy (DOE) Office of Legacy Management (LM) is assuming responsibilities for long-term surveillance and maintenance (LTS and M) activities at the Rocky Flats Environmental Technology Site (RFETS) during fiscal year 2006. During the transition, LM is consolidating databases and applications that support these various functions into a few applications which will streamline future management and retrieval of data. This paper discussed the process of evaluating, migrating, and consolidating these databases and applications for LTS and M activities and provides lessons learned that will benefit future transitions. (authors)

  5. Synthesis of Na1.25V3O8 Nanobelts with Excellent Long-Term Stability for Rechargeable Lithium-Ion Batteries

    E-Print Network [OSTI]

    Cao, Guozhong

    by the calcination temperatures. As cathode materials for lithium ion batteries, the Na1.25V3O8 nanobelts synthesized vanadium oxide, nanobelts, sol-gel, lithium-ion batteries, long-term stability 1. INTRODUCTION Because of their high energy density, long life cycle, environmentally benign, lithium ion batteries (LIBs) have been

  6. Hanford Site Long-term Surface Barrier Development Program: Fiscal year 1994 highlights

    SciTech Connect (OSTI)

    Petersen, K.L.; Link, S.O.; Gee, G.W.

    1995-08-01

    The Hanford Site Surface Barrier Development Program was organized in 1985 to test the effectiveness of various barrier designs in minimizing the effects of water infiltration; plant, animal and human intrusion; and wind and water erosion on buried wastes, plus preventing or minimizing the emanation of noxious gases. A team of scientists from the Pacific Northwest Laboratory (PNL) and engineers from Westinghouse Hanford Company (WHC) direct the barrier development effort. ICF Kaiser Hanford Company, in conjunction with WHC and PNL, developed design drawings and construction specifications for a 5-acre prototype barrier. The highlight of efforts in FY 1994 was the construction of the prototype barrier. The prototype barrier was constructed on the Hanford Site at the 200 BP-1 Operable Unit of the 200 East Area. Construction was completed in August 1994 and monitoring instruments are being installed so experiments on the prototype barrier can begin in FY 1995. The purpose of the prototype barrier is to provide insights and experience with issues regarding barrier design, construction, and performance that have not been possible with individual tests and experiments conducted to date. Additional knowledge and experience was gained in FY 1994 on erosion control, physical stability, water infiltration control, model testing, Resource Conservation and Recovery Act (RCRA) comparisons, biointrusion control, long-term performance, and technology transfer.

  7. Data Archive of the Harvard Forest, a Long Term Ecological Research (LTER) Site

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

    Since 1907 research and education have been the mission of the Harvard Forest is one of the oldest and most intensively studied forests in North America. Located in Petersham, Massachusetts, its 3000 acres of land have been a center of research and education since 1907. The Long Term Ecological Research (LTER) program, established in 1988 and funded by the National Science Foundation, provides a framework for much of this activity. An understanding of forest responses to natural and human disturbance and environmental change over broad spatial and temporal scales pulls together research topics including biodiversity studies, the effects of invasive organisms, large experiments and permanent plot studies, historical and retrospective studies, soil nutrient dynamics, and plant population and community ecological interactions. Major research in forest-atmosphere exchange, hydrology, and regional studies places the work in regional and global context, aided by modeling tools. Conservation and management research and linkages to policy have been part of the Forest since its beginning, and the approaches used in New England can often apply to international studies. [Copied from http://harvardforest.fas.harvard.edu/research.html] In addition to more than 150 datasets, the Visual Information Access system at Harvard University Library makes nearly 900 images pertaining to Harvard Forest research available online to the public.

  8. Long-Term Climate Change Assessment Task for the Hanford Site Permanent Isolation Barrier Development Program: Status through FY 1992

    SciTech Connect (OSTI)

    Petersen, K.L.; Chatters, J.C.

    1993-07-01

    The Hanford Site Permanent Isolation Barrier Development Program (Barrier Development Program) was organized (Adams and Wing 1986) to develop the technology needed to provide an in-place disposal capability for the US Department of Energy at the Hanford Site in southeastern Washington. The goals of the Barrier Development Program are to provide defensible evidence that final barrier design(s) will adequately control water infiltration, plant and animal intrusion, and wind and water erosion for a minimum of 1,000 years; to isolate wastes from the accessible environment; and to use markers to warn inadvertent human intruders. Evidence for barrier performance will be obtained by conducting laboratory experiments, field tests, computer modeling, and other studies that establish confidence in the barrier`s ability to meet its 1,000-year design life. The performance and stability of natural barrier analogs that have existed for several millennia and the reconstruction of climate changes during the past 10,000 to 125,000 years also will provide insight into bounding conditions of possible future changes and increase confidence in the barriers design. In the following discussion the term {open_quotes}long-term{close_quotes} references periods of time up to 1000`s of years, distinguishing it from {open_quotes}short-term{close_quotes} weather patterns covering a decade or less. Specific activities focus on planning and conducting a series of studies and tests required to confirm key aspects of the barrier design. The effort is a collaborative one between scientists and engineers from Westinghouse Hanford Company (Westinghouse Hanford) and Pacific Northwest Laboratory (PNL) to design barriers to limit movement of radionuclides and other contaminants to the accessible environment for at least 1,000 years. These activities have been divided into 14 groups of tasks that aid in the complete development of protective barrier and warning marker system.

  9. Final long-term surveillance plan for the Spook, Wyoming, disposal site

    SciTech Connect (OSTI)

    NONE

    1993-01-01

    A general license for the custody and long-term care of DOE Uranium Mill Tailings Remedial Action (UMTRA) Project permanent disposal sites was issued by the US Nuclear Regulatory Commission (NRC), and became effective on November 29, 1990. The general license will be in effect for a specific disposal site when the NRC accepts the disposal site`s long-term surveillance plan (LTSP) and concurs that remedial action is complete at that site. This document describes in detail the long-term surveillance activities for the Spook, Wyoming, disposal site, including monitoring, maintenance, and emergency measures necessary to fulfill the conditions of the general license, and to ensure that the disposal cell continues to comply with the UMTRA design standards.

  10. High Temperature Steam Electrolysis: Demonstration of Improved Long-Term Performance

    SciTech Connect (OSTI)

    J. E. O'Brien; X. Zhang; R. C. O'Brien; G. Tao

    2011-11-01

    Long-term performance is an ongoing issue for hydrogen production based on high-temperature steam electrolysis (HTSE). For commercial deployment, solid-oxide electrolysis stacks must achieve high performance with long-term degradation rates of {approx}0.5%/1000 hours or lower. Significant progress has been achieved toward this goal over the past few years. This paper will provide details of progress achieved under the Idaho National Laboratory high temperature electrolysis research program. Recent long-term stack tests have achieved high initial performance with degradation rates less than 5%/khr. These tests utilize internally manifolded stacks with electrode-supported cells. The cell material sets are optimized for the electrolysis mode of operation. Details of the cells and stacks will be provided along with details of the test apparatus, procedures, and results.

  11. WHFast: A fast and unbiased implementation of a symplectic Wisdom-Holman integrator for long term gravitational simulations

    E-Print Network [OSTI]

    Rein, Hanno

    2015-01-01

    We present WHFast, a fast and accurate implementation of a Wisdom-Holman symplectic integrator for long-term orbit integrations of planetary systems. WHFast is significantly faster and conserves energy better than all other Wisdom-Holman integrators tested. We achieve this by significantly improving the Kepler-solver and ensuring numerical stability of coordinate transformations to and from Jacobi coordinates. These refinements allow us to remove the linear secular trend in the energy error that is present in other implementations. For small enough timesteps we achieve Brouwer's law, i.e. the energy error is dominated by an unbiased random walk due to floating-point round-off errors. We implement symplectic correctors up to order eleven that significantly reduce the energy error. We also implement a symplectic tangent map for the variational equations. This allows us to efficiently calculate two widely used chaos indicators the Lyapunov characteristic number (LCN) and the Mean Exponential Growth factor of Nea...

  12. Two Different Long-term Behaviors in Black-Hole Candidates: Evidence for Two Accretion Flows?

    E-Print Network [OSTI]

    D. M. Smith; W. A. Heindl; J. H. Swank

    2001-12-20

    We discuss the results of long-term hard x-ray monitoring of Galactic black-hole candidates 1E 1740.7-2942, GRS 1758-258, Cyg X-1, GX 339-4, and Cyg X-3 with the Rossi X-Ray Timing Explorer (RXTE). The objects divide into two classes. In the first class, exemplified by Cyg X-1, luminosity and spectral hardness evolve simultaneously. In the second class, the relation is more complicated: the softest spectra occur while the count rate is dropping. Most models of accretion, tailored to Cyg X-1, do not predict the second sort of behavior. One interpretation is a simple model with two simultaneous, independent accretion flows: a thin disk and a hot halo. A drop in the accretion rate affecting both flows would propagate through the halo immediately but might take up to several weeks to propagate through the disk. While the inner halo is thus temporarily depleted compared to the disk, a temporary soft state is expected. This picture is supported by the observation that those sources which show delays (1E 1740.7-2942, GRS 1758-258, and GX 339-4) are expected to have low-mass companions, and those which do not (Cyg X-1, Cyg X-3) are known or thought to have high-mass companions. Low-mass companions imply accretion by Roche-lobe overflow, with a high specific angular momentum in the accreting material, and therefore a large disk with a long viscous timescale. Wind accretion from massive companions is expected to result in a much smaller disk, and thus little viscous delay.

  13. Energy Use in China: Sectoral Trends and Future Outlook

    E-Print Network [OSTI]

    2008-01-01

    Sectoral Trends in Global Energy Use and Greenhouse Gasto Development of Long-Term Energy Demand Scenarios forto Development of Long-Term Energy Demand Scenarios for

  14. China's Energy and Carbon Emissions Outlook to 2050

    E-Print Network [OSTI]

    Zhou, Nan

    2011-01-01

    60 Assumptions behind Fossil Energy Supplys long-term domestic energy supply in order to gauge thes long-term domestic energy supply in order to gauge the

  15. Analysis of the accounting treatment for long-term leases and their disclosure in financial statements 

    E-Print Network [OSTI]

    Cook, Thomas E

    1964-01-01

    . ' tinily reduced rantaM Where long-term losses a?e used as e substitute for caner ship~dacrtgago borrouiag&, a quostkon4giseh es ge the smtant-of diauloaure tc be made Xn finanCiel. atatemenfe Of Ag fhCed annual amounts payable cnd other Important terms...

  16. Flexibility and reliability in long-term planning exercises dedicated to the electricity sector

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    Flexibility and reliability in long-term planning exercises dedicated to the electricity sector of these options. This paper focuses on the electricity sector and on problems of flexibility and reliability are assessed through the level of electrical losses they induced and a related cost. These approaches

  17. 4. Advancement and Long-term Institutional Resources iii. Library and IT Resources

    E-Print Network [OSTI]

    Zandstra, Peter W.

    provide some measure of the perceived quality of our library resources. LibQUAL+ survey is a national4. Advancement and Long-term Institutional Resources iii. Library and IT Resources Figures a-b University of Toronto Performance Indicators 2011 Library Resources Performance Relevance: Library resources

  18. 4. Advancement and Long-term Institutional Resources iii. Library and IT Resources

    E-Print Network [OSTI]

    Zandstra, Peter W.

    provide some measure of the perceived quality of our library resources. LibQUAL+ survey is a national4. Advancement and Long-term Institutional Resources iii. Library and IT Resources Figures a-b University of Toronto Performance Indicators 2010 Library Resources Performance Relevance: Library resources

  19. The OHSU Library achieved success and made progress toward both short and long term goals.

    E-Print Network [OSTI]

    Chapman, Michael S.

    and for the future. #12;Collections and Facilities Digital Resources Library The OHSU Digital Resources Library (drl and a new server for the Digital Resources Library. Page 2 OHSU Library Annual Report Collaborative LearningThe OHSU Library achieved success and made progress toward both short and long term goals

  20. Long-term Stability of Global Erosion Rates and1 Weathering during late Cenozoic Cooling2

    E-Print Network [OSTI]

    Willenbring, Jeb F.

    1 of 18 Long-term Stability of Global Erosion Rates and1 Weathering during late Cenozoic Cooling2 3 rates15 require a global mechanism to explain them4,5,6 . Accelerated uplift and global16 cooling have caused5 Cenozoic global cooling, and that global cooling had no profound effect on6 spatially

  1. EIFAC 2006: DAMS, WEIRS AND FISH Long-term effects of hydropower installations

    E-Print Network [OSTI]

    McCarthy, T.K.

    Abstract The Shannon, Ireland's largest river, is used for hydroelectricity generation since 1929 in juvenile recruitment resulting from the installation of hydroelectric facilities, management was focused programmes are reviewed in this article. In addition to the long-term effects the hydroelectric facilities

  2. Insurable Storage Services: Creating a Marketplace for Long-Term Document Archival

    E-Print Network [OSTI]

    Simha, Rahul

    Insurable Storage Services: Creating a Marketplace for Long-Term Document Archival K. Gopinath1 Washington, DC 20052, USA simha@gwu.edu Abstract Digital storage is a key element not only of computing-capacity storage. At the same time, the storage needs of users have now become more sophisticated and diverse. Some

  3. Structure of Earth's outer radiation belt inferred from long-term electron flux dynamics

    E-Print Network [OSTI]

    Vassiliadis, Dimitrios

    mapped the radiation-belt structure by quantifying the electron flux variability over the entire radialStructure of Earth's outer radiation belt inferred from long-term electron flux dynamics D September 2003; published 15 October 2003. [1] We map the spatial structure of the electron belts over

  4. Hawaii's Marine Fisheries: Some History, Long-term Trends, and Recent Developments

    E-Print Network [OSTI]

    Hawaii's Marine Fisheries: Some History, Long-term Trends, and Recent Developments Introduction Recently Hawaii's commercial ma rine fishery has experienced a period of rapid growth and structural change Dole Street, Honolulu, HI 96822-2396. ABSTRACT - This paper provides an overview ofHawaii

  5. CARBON CAPTURE AND STORAGE IN SOUTHERN IDENTIFYING THE LONG TERM LIABILITIES

    E-Print Network [OSTI]

    Qiu, Bo

    CARBON CAPTURE AND STORAGE IN SOUTHERN CALIFORNIA IDENTIFYING THE LONG TERM LIABILITIES A THESIS of emissions is a promising strategy for reducing atmospheric carbon dioxide. Before this technology can indicate that overall, the Cuyama Basin is better suited to use as a storage site than others in this study

  6. LONG-TERM DYNAMICS AND THE ORBITAL INCLINATIONS OF THE CLASSICAL KUIPER BELT OBJECTS

    E-Print Network [OSTI]

    Brown, Michael E.

    LONG-TERM DYNAMICS AND THE ORBITAL INCLINATIONS OF THE CLASSICAL KUIPER BELT OBJECTS Marc J in the region of the classical Kuiper belt (41 AU a 47 AU) to explore the role of dynamical instabilities in sculpting the inclination distribution of the classical Kuiper belt objects (KBOs). We find

  7. Long-term SLOs for reclaimed cloud computing resources Marcus Carvalho

    E-Print Network [OSTI]

    Cortes, Corinna

    Long-term SLOs for reclaimed cloud computing resources Marcus Carvalho Universidade Federal de Google Inc., USA johnwilkes@google.com Abstract The elasticity promised by cloud computing does not come.1145/2670979.2670999 Keywords Cloud computing, Capacity planning, Quality of Service 1. Introduction Although marketing

  8. Some Basic Ideas Migration is a long-term (> daily) movement

    E-Print Network [OSTI]

    Brown, Christopher A.

    1 Migration Humpbacked Whales Some Basic Ideas Migration is a long-term (> daily) movement from one migrate yearly to find suitable substrate/water level/water temperature Costs and Benefits of Migration of breeding individuals Costs of migration include: Increased risk of predation or death from natural events

  9. Why do some small islands lack vegetation? Evidence from long-term introduction experiments

    E-Print Network [OSTI]

    Morrison, Lloyd W.

    , and only two naturally vegetated islands lost all vegetation. Experimental introductions of two species Á and hurricanes appeared to have reduced the establishment success and possibly long-term survival of the introductions, although some populations survived four major hurricanes. Turnover rates of both introduced

  10. LONG TERM RESIDUAL EFFECTS OF A NUTRIENT ADDITION ON A BARRIER ISLAND DUNE ECOSYSTEM

    E-Print Network [OSTI]

    Lawrence, Deborah

    LONG TERM RESIDUAL EFFECTS OF A NUTRIENT ADDITION ON A BARRIER ISLAND DUNE ECOSYSTEM by Susan M EFFECTS OF A NUTRIENT ADDITION ON A BARRIER ISLAND DUNE ECOSYSTEM Susan M. Heyel Old Dominion University, 2000 Director: Dr. Frank P. Day In 1991, 150 m2 were fertilized with nitrogen on three dunes on Hog

  11. Long-term pilot scale investigation of novel hybrid ultrafiltration-osmotic membrane bioreactors

    E-Print Network [OSTI]

    . · FO water flux was maintained constant for more than four months with the UFO-MBR. G R A P H I C A L membrane bioreactor (OMBR) and a novel hybrid ultrafiltration OMBR (UFO-MBR) were investigated for extended bioreactor (UFO-MBR). Results from long-term OMBR and UFO-MBR investigations revealed that the overall

  12. Long-Term Sediment Generation Rates for the Upper Rio Chagres Basin: Implications for Panama

    E-Print Network [OSTI]

    Nichols, Kyle K.

    Chapter 19 Long-Term Sediment Generation Rates for the Upper Rio Chagres Basin: Implications: We measured in situ-produced cosmogenic 10 Be in 17 sand-sized sediment samples (0.25 to 0.85 mm) to estimate the rate and distribution of sediment generation in the upper Chagres watershed over the last 10

  13. LONG-TERM REPRODUCTIVE OUTPUT IN WESTERN GULLS: CONSEQUENCES OF ALTERNATE TACTICS IN DIET CHOICE

    E-Print Network [OSTI]

    Annett, Cynthia A.; Pierotti, Raymond

    1999-01-01

    of Western Gulls, Larus occidentalis. Of 112 pairs for which we have either long-term ($5 yr) or lifetime reproductive output, 44% bred for only a single year, and an additional 25% bred for only 2–3 yr. A few pairs bred successfully for 6–12 yr and showed...

  14. RESEARCH Open Access Short and long-term carbon balance of bioenergy

    E-Print Network [OSTI]

    by offsetting fossil fuel electricity generation emissions, and potentially by avoided pyrogenic emissions dueRESEARCH Open Access Short and long-term carbon balance of bioenergy electricity production fueled bioenergy electricity production are offset by avoided fossil fuel electricity emissions. The carbon benefit

  15. Parks Research Forum of Ontario ~ 197 ~ Long-term population estimates and synchronous

    E-Print Network [OSTI]

    Blouin-Demers, Gabriel

    Parks Research Forum of Ontario ~ 197 ~ Long-term population estimates and synchronous variation in two populations of black rat snakes (Elaphe obsoleta) in Eastern Ontario Marie-Ange Gravel and Gabriel Ontario. The Jolly-Seber method was used to estimate population size. The population sizes tended to vary

  16. Characterisation of long term behaviour of polyester fibres and fibre assemblies for offshore mooring lines

    E-Print Network [OSTI]

    Burgoyne, Chris

    Characterisation of long term behaviour of polyester fibres and fibre assemblies for offshore: Polyethylene Terephthalate (PET), which is already used for offshore mooring, and Polyethylene Naphthalate (PEN for offshore mooring application, its higher stiffness resulting in lower offset and smaller mooring lines

  17. long-Term Tritium Transport through Field-Scale Compacted Soil Liner

    E-Print Network [OSTI]

    was conducted by the illinois State Geological Survey to detennine the long-term performance of compacted soil and Environmental Engineering, Univ. of illinois at Urbana-Champaign, Urbana, IL 61801. 5Geochemist, Illinois State Geological Survey., Natural Resources Building, 615 Peabody Dr., Champaign, IL 61820. 6professor, Dept

  18. Wireless Sensing Framework for Long-Term Measurements of Electric Organ Discharge

    E-Print Network [OSTI]

    Misra, Satyajayant

    Wireless Sensing Framework for Long-Term Measurements of Electric Organ Discharge Michael Harris1, wireless system, electric fish. I. INTRODUCTION Technical advances in computer and wireless network tech Mexico State University, Las Cruces, NM USA 3 Klipsch School of Electrical and Computer Engineering, New

  19. The Snackbot: Documenting the Design of a Robot for Long-term Human-Robot Interaction

    E-Print Network [OSTI]

    Crabbe, Frederick

    The Snackbot: Documenting the Design of a Robot for Long-term Human-Robot Interaction Min Kyung Lee Glaser3 , Sara Kiesler1 1 HCI Institute, 2 Robotics Institute Carnegie Mellon University 5000 Forbes Ave@usna.edu ABSTRACT We present the design of the Snackbot, a robot that will deliver snacks in our university

  20. Long-term variability and rainfall control of savanna fire regimes in equatorial East Africa

    E-Print Network [OSTI]

    Hu, Feng Sheng

    Long-term variability and rainfall control of savanna fire regimes in equatorial East Africa D A V Abstract Fires burning the vast grasslands and savannas of Africa significantly influence the global carbon in equatorial East Africa. The charcoal-inferred shifts in local and regional fire regimes were compared

  1. Improving the long-term stability of PBDTTPD polymer solar cells through material purification aimed at

    E-Print Network [OSTI]

    McGehee, Michael

    Improving the long-term stability of PBDTTPD polymer solar cells through material purification M. J. Fr´echetbc and Michael D. McGehee*a While bulk heterojunction (BHJ) solar cells fabricated to those observed in high Mn PBDTTPD solar cells can be induced in low Mn devices through intentional

  2. Long-term fire history in northern Quebec: implications for the northern limit of commercial

    E-Print Network [OSTI]

    Asselin, Hugo

    Long-term fire history in northern Quebec: implications for the northern limit of commercial in Sustainable Forest Management, 445 boul. de l'Universite, Rouyn-Noranda, Quebec J9X 5E4, Canada; 2 Centre d'Etude de la For^et, Universite du Quebec a Montreal, Montreal, Quebec H3C 3P8, Canada; 3 Centre de Bio

  3. The Solar Roofpod: Implications for New York City's Long-Term Sustainability Plan

    E-Print Network [OSTI]

    Wolberg, George

    The Solar Roofpod: Implications for New York City's Long-Term Sustainability Plan Objective: Present an analysis of the costs and benefits of City College's "Solar Roofpod" prototype pavilion as a finalist in the 2011 Solar Decathlon, a bi- annual competition among schools of architecture

  4. Using Long-Term Census Data to Inform Restoration Methods for Coastal Dune Vegetation

    E-Print Network [OSTI]

    Ronquist, Fredrik

    Using Long-Term Census Data to Inform Restoration Methods for Coastal Dune Vegetation Elise S Barrier Island . Coastal ecology . Dune zone . Disturbance . Dune vegetation . Storm response Introduction), with varied results. Restoration strategies can be difficult to implement successfully in coastal dune systems

  5. Long-term effects of Lupinus lepidus on vegetation dynamics at Mount R. del Moral1,

    E-Print Network [OSTI]

    del Moral, Roger

    (Jumpponen et al. 1998; Jones and del Moral 2005), slack dunes (Berendse et al. 1998), coastal dunes (Olff et-1 Long-term effects of Lupinus lepidus on vegetation dynamics at Mount St. Helens R. del Moral1 surfaces at Mount St. Helen. We compared vegetation structure in 30 Lupinus colonies in three age classes

  6. Long-Term Data Maintenance in Wide-Area Storage Systems: A Quantitative Approach

    E-Print Network [OSTI]

    Kubiatowicz, John D.

    Long-Term Data Maintenance in Wide-Area Storage Systems: A Quantitative Approach Hakim Weatherspoon-Term Data Maintenance in Wide-Area Storage Systems: A Quantitative Approach Hakim Weatherspoon, Byung data replication levels is a fundamental process of wide-area storage systems; replicas must be created

  7. Determining Long-Term Performance of Cool Storage Systems from Short-Term Tests, Final Report 

    E-Print Network [OSTI]

    Reddy, T. A.; Elleson, J.; Haberl, J. S.

    2000-01-01

    This is the final report for ASHRAE Research Project 1004-RP: Determining Long-Term Performance of Cool Storage Systems from Short-Term Tests. This report presents the results of the development and application of the methodology to Case Study #2...

  8. LONG TERM DURABILITY OF CARBON FRP COMPOSITES APPLIED TO RC BRIDGES

    E-Print Network [OSTI]

    Ring, Terry A.

    and non-destructive testing the long-term durability of the carbon fiber reinforced polymer (CFRP) composite system, used as a seismic retrofit of State Street Bridge on Interstate 80. Non-destructive bents, and monitoring the daily measurements. Destructive testing was performed on several different

  9. LONG-TERM VARIATION IN THE SUN'S ACTIVITY CAUSED BY MAGNETIC ROSSBY WAVES IN THE TACHOCLINE

    E-Print Network [OSTI]

    Usoskin, Ilya G.

    LONG-TERM VARIATION IN THE SUN'S ACTIVITY CAUSED BY MAGNETIC ROSSBY WAVES IN THE TACHOCLINE (10Be and 14C) on the Earth reveal the variation of the Suns magnetic activity over hundreds during the first half of this century. Key words: Sun: activity ­ Sun: interior ­ Sun: oscillations 1

  10. Formaldehyde in residences: long-term indoor concentrations and influencing factors

    E-Print Network [OSTI]

    Short, Daniel

    Formaldehyde in residences: long-term indoor concentrations and influencing factors Introduction Formaldehyde is a hazardous air pollutant that is widespread in residential buildings. It is a potent irritant. (2009) and Sax et al. (2006) concluded that formaldehyde was the highest contrib- utor to the cumulative

  11. Superexponential Long-term Trends in Information Technology Bla Nagy1,

    E-Print Network [OSTI]

    Superexponential Long-term Trends in Information Technology Béla Nagy1, , J. Doyne Farmer1 series of data documenting progress in information technology gathered by Koh and Magee (2006). We 87501 USA 2Engineering Systems Division Massachusetts Institute of Technology Cambridge, Massachusetts

  12. LONG-TERM VARIATIONS IN THE SOUTHERN OSCILLATION, EL NINO, AND CHILEAN SUBTROPICAL RAINFALL

    E-Print Network [OSTI]

    LONG-TERM VARIATIONS IN THE SOUTHERN OSCILLATION, EL NINO, AND CHILEAN SUBTROPICAL RAINFALL WILLIAM et a1. (1978) we compiled evidence on El Nino developments, their intensities, and their fre- quency of occurrence. However, at that time we did not consider the possibility oflong-term variations in El Nino

  13. A Microfluidic Device for Temporally Controlled Gene Expression and Long-Term Fluorescent Imaging in

    E-Print Network [OSTI]

    Siggia, Eric

    A Microfluidic Device for Temporally Controlled Gene Expression and Long-Term Fluorescent Imaging of the cell cycle. Over the past ten years, microfluidic techniques in cell biology have emerged that allow a microfluidic flow cell to grow Saccharomyces Cerevisiae for more than 8 generations (

  14. Long-term underwater camera surveillance for monitoring and analysis of fish populations

    E-Print Network [OSTI]

    Fisher, Bob

    Long-term underwater camera surveillance for monitoring and analysis of fish populations Bastiaan J software to detect and recognise fish species. This footage is processed on supercomput- ers, which allow using a web-interface that allows them to display counts of fish species in the camera footage. 1

  15. Long-Term Monitoring Using Deep Seafloor Boreholes Penetrating the Seismogenic Zone

    E-Print Network [OSTI]

    Tsunogai, Urumu

    Long-Term Monitoring Using Deep Seafloor Boreholes Penetrating the Seismogenic Zone Masanao, because it has, until now, been impossible to penetrate to such depths below the sea floor. The Integrated Ocean Drilling Program (IODP), scheduled to begin in ,**-, plans to drill boreholes beneath the ocean

  16. Mixer pump long term operations plan for Tank 241-SY-101 mitigation

    SciTech Connect (OSTI)

    Irwin, J.J.

    1994-09-07

    This document provides the general Operations Plan for performance of the mixer pump long term operations for Tank 241-SY-101 mitigation of gas retention and periodic release in Tank 101-SY. This operations plan will utilize a 112 kW (150 hp) mixing pump to agitate/suspend the particulates in the tank.

  17. Long-term directional changes in upland Quercus forests throughout Oklahoma, USA

    E-Print Network [OSTI]

    Palmer, Michael W.

    Long-term directional changes in upland Quercus forests throughout Oklahoma, USA Ryan D. De? Location: Oklahoma, USA. Methods: We re-sampled 30 forest stands originally sampled in the 1950s across; Juniperus virginiana; mesophication; Oak; Oklahoma; Quercus marilandica; Quercus stellata; Species

  18. LONG TERM AND RECENT CLIMATE CHANGES RECORDED IN NORTH ATLANTIC OCEANIC ARCHIVES AROUND ICELAND

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    1 LONG TERM AND RECENT CLIMATE CHANGES RECORDED IN NORTH ATLANTIC OCEANIC ARCHIVES AROUND ICELAND natural variability and the underlying forcing mechanisms. A focus will be made on peri-icelandic marine of the Icelandic sector 1.1. A "hot spot" for oceanographers! The North Atlantic Ocean has always been the focus

  19. Validating MODIS land surface temperature products using long-term nighttime ground measurements

    E-Print Network [OSTI]

    Liang, Shunlin

    Validating MODIS land surface temperature products using long-term nighttime ground measurements, provides multiple land surface temperature (LST) products on a daily basis. However, these products have LST products, MOD11_L2 (version 4) and MOD07_L2 (version 4), using the FLUXNET and Carbon Europe

  20. a contaminant in decline: long-term tbt monitoring at a naval base in Western australia

    E-Print Network [OSTI]

    Burgman, Mark

    a contaminant in decline: long-term tbt monitoring at a naval base in Western australia john a, following the recognition of detrimental environmental effects attributable to TBT from antifouling paints planulatus) in and around the RAN naval base in Cockburn Sound, WesternAustralia, was initiated and continued

  1. Evolution of gene expression and expression plasticity in long-term experimental populations of Drosophila

    E-Print Network [OSTI]

    Fry, James D.

    Evolution of gene expression and expression plasticity in long-term experimental populations to a particular type of stress involves changes in the within- generation (`plastic') responses of gene expression to the stress. We used microarrays to quantify gene expression plasticity in response to ethanol in laboratory

  2. Long-Term Fundamentals of the 2008 Economic Crisis David Mayer-Foulkes

    E-Print Network [OSTI]

    costs, FDI yields extraordinary profits that generate asymmetric innovation incentives that explain growth can only be recovered by restoring global investment. Lowering interest rates cannot generate very­or investment shortfall­that dramatically lowered long-term real interest rates, led to a housing bubble in many

  3. Phoenix clones: recovery after long-term defoliation-induced dormancy

    E-Print Network [OSTI]

    Thomas, David D.

    REPORT Phoenix clones: recovery after long-term defoliation- induced dormancy Patrice A. Morrow1 years later. In a single growing season these Phoenix clones reoccupy segments or the entirety hypotheses to explain the en masse reappearance of ramets in Phoenix clones. H1: ramets are of recent

  4. EPIDEMIOLOGY Global and focal brain volume in long-term breast cancer

    E-Print Network [OSTI]

    van Vliet, Lucas J.

    EPIDEMIOLOGY Global and focal brain volume in long-term breast cancer survivors exposed to adjuvant of non-CNS directed chemotherapy-exposed breast cancer survivors, on average 21 years post chemotherapy-exposed breast cancer patients, mean age 64.0 (SD = 6.5) years, who had been diagnosed with cancer

  5. PROJECTED IMPACT OF SULFATE ATTACK ON THE LONG-TERM PERFORMANCE OF A CONCRETE REPOSITORY

    SciTech Connect (OSTI)

    Flach, G.

    2009-12-11

    Saltstone is a cementitious waste form made by mixing salt solution originating from liquid waste storage tanks at the DOE Savannah River Site with a dry mix containing blast furnace slag, fly ash, and cement or lime. The wet mix is poured into a concrete repository for on-site disposal. Solidified Saltstone is a dense, alkaline, reducing, micro-porous, monolithic, cementitious matrix, containing a solution of salts within its pore structure. Sodium sulfate concentrations in the pore fluid are around 0.15 mol/L, and external sulfate attack on concrete barriers is expected to occur over time. To predict the long-term performance of concrete repositories, the STADIUM{reg_sign} code was used to simulate the reactive transport processes leading to formation of ettringite, an expansive mineral phase often associated with spalling or cracking. STADIUM{reg_sign} is a multi-ionic transport model based on a split operator approach that separates ionic movement and chemical reactions. Ionic transport is described by the extended Nernst-Planck equation for unsaturated media, and accounts for electrical coupling between ionic species, chemical activity, transport due to water content gradient, and temperature effects. STADIUM{reg_sign} does not predict whether physical damage will occur, or the impact on transport properties should fracturing occur. Thus the presence of ettringite was assumed to coincide with physical damage for the purpose of estimating effective transport properties. Effective properties for concrete barriers were estimated assuming complete hydraulic failure behind the ettringite front and unaltered properties ahead of the front. The ettringite front advances at a rate dependent on the diffusion coefficient assumed for the failed zone. A sensitivity study indicates a service life ranging from thousands to tens of thousands of years, depending on the barrier thickness and sulfate exposure conditions among other factors.

  6. Characterization of options and their analysis requirements for the long-term management of depleted uranium hexafluoride

    SciTech Connect (OSTI)

    Dubrin, J.W.; Rosen, R.S.; Zoller, J.N.; Harri, J.W.; Schwertz, N.L.

    1995-12-01

    The Department of Energy (DOE) is examining alternative strategies for the long-term management of depleted uranium hexafluoride (UF{sub 6}) currently stored at the gaseous diffusion plants at Portsmouth, Ohio, and Paducah, Kentucky, and on the Oak Ridge Reservation in Oak Ridge, Tennessee. This paper describes the methodology for the comprehensive and ongoing technical analysis of the options being considered. An overview of these options, along with several of the suboptions being considered, is presented. The long-term management strategy alternatives fall into three broad categories: use, storage, or disposal. Conversion of the depleted UF6 to another form such as oxide or metal is needed to implement most of these alternatives. Likewise, transportation of materials is an integral part of constructing the complete pathway between the current storage condition and ultimate disposition. The analysis of options includes development of pre-conceptual designs; estimates of effluents, wastes, and emissions; specification of resource requirements; and preliminary hazards assessments. The results of this analysis will assist DOE in selecting a strategy by providing the engineering information necessary to evaluate the environmental impacts and costs of implementing the management strategy alternatives.

  7. LONG-TERM STABILITY TESTING RESULTS USING SURROGATES AND SORBENTS FOR SAVANNAH RIVER SITE ORGANIC AND AQUEOUS WASTESTREAMS - 10016

    SciTech Connect (OSTI)

    Burns, H.

    2009-11-10

    The U.S. Department of Energy (DOE) has tasked MSE Technology Applications, Inc. (MSE) with evaluating the long-term stability of various commercially available sorbent materials to solidify two organic surrogate wastestreams (both volatile and nonvolatile), a volatile organic surrogate with a residual aqueous phase, an aqueous surrogate, and an aqueous surrogate with a residual organic phase. The Savannah River Site (SRS) Legacy and F-Canyon plutonium/uranium extraction (PUREX) process waste surrogates constituted the volatile organic surrogates, and various oils constituted the nonvolatile organic surrogates. The aqueous surrogates included a rainwater surrogate and an aqueous organic surrogate. MSE also evaluated the PUREX surrogate with a residual aqueous component with and without aqueous type sorbent materials. Solidification of the various surrogate wastestreams listed above was performed from 2004 to 2006 at the MSE Test Facility located in Butte, Montana. This paper summarizes the comparison of the initial liquid release test (LRT) values with LRT results obtained during subsequent sampling events in an attempt to understand and define the long-term stability characteristics for the solidified wastestreams.

  8. Innovative Strategy For Long Term Monitoring Of Metal And Radionuclide Plumes

    SciTech Connect (OSTI)

    Eddy-Dilek, Carol; Millings, Margaret R.; Looney, Brian B.; Denham, Miles E.

    2014-01-08

    Many government and private industry sites that were once contaminated with radioactive and chemical wastes cannot be cleaned up enough to permit unrestricted human access. The sites will require long term management, in some cases indefinitely, leaving site owners with the challenge of protecting human health and environmental quality at these "legacy" sites. Long-term monitoring of groundwater contamination is one of the largest projected costs in the life cycle of environmental management at the Savannah River Site, the larger DOE complex, and many large federal and private sites. There is a need to optimize the performance and manage the cost of long term surveillance and monitoring at their sites. Currently, SRNL is initiating a pilot field test using alternative protocols for long term monitoring of metals and radionuclides. A key component of the approach is that monitoring efforts are focused on measurement of low cost metrics related to hydrologic and chemical conditions that control contaminant migration. The strategy combines careful monitoring of hydrologic boundary conditions with measurement of master variables such as chemical surrogates along with a smaller number of standard well analyses. In plumes contaminated with metals, master variables control the chemistry of the groundwater system, and include redox variables (ORP, DO, chemicals), pH, specific conductivity, biological community (breakdown/decay products), and temperature. Significant changes in these variables will result in conditions whereby the plume may not be stable and therefore can be used to predict possible plume migration. Conversely, concentration measurements for all types of contaminants in groundwater are a lagging indicator plume movement - major changes contaminant concentrations indicate that contamination has migrated. An approach based on measurement of master variables and explicit monitoring of hydrologic boundary conditions combined with traditional metrics should lead to improved monitoring while simultaneously reducing costs. This paradigm is being tested at the SRS F-Area where an innovative passive remedial system is being monitored and evaluated over the long term prior to traditional regulatory closure. Contaminants being addressed at this site are uranium, strontium-90, iodine-129, and tritium. We believe that the proposed strategies will be more effective in early identification of potential risks; these strategies will also be cost effective because controlling variables are relatively simple to measure. These variables also directly reflect the evolution of the plume through time, so that the monitoring strategy can be modified as the plume 'ages'. This transformational long-term monitoring paradigm will generate large cost savings to DOE, other federal agencies and industry and will provide improved performance and leading indicators of environmental management performance.

  9. Long-Term Mechanical Behavior of Yucca Mountain Tuff and its Variability, Final Technical Report for Task ORD-FY04-021

    SciTech Connect (OSTI)

    Daemen, Jaak J.K.; Ma, Lumin; Zhao, Guohua

    2006-03-20

    The study of the long term mechanical behavior of Yucca Mountain tuffs is important for several reasons. Long term stability of excavations will affect accessibility (e.g. for inspection purposes), and retrievability. Long term instabilities may induce loading of drip shields and/or emplaced waste, thus affecting drip shield and/or waste package corrosion. Failure of excavations will affect airflow, may affect water flow, and may affect temperature distributions. The long term mechanical behavior of rocks remains an elusive topic, loaded with uncertainties. A variety of approaches have been used to improve the understanding of this complex subject, but it is doubtful that it has reached a stage where firm predictions can be considered feasible. The long term mechanical behavior of "soft" rocks, especially evaporites, and in particular rock salt, has been the subject of numerous investigations (e.g. Cristescu and Hunsche, 1998, Cristescu et al, 2002), and basic approaches towards engineering taking into account the long term behavior of such materials have long been well established (e.g. Dreyer, 1972, 1982). The same is certainly not true of "hard" rocks. While it long has been recognized that the long term strength of ?hard? rocks almost certainly is significantly less than that measured during "short", i.e. standard (ASTM D 2938), ISRM suggested (Bieniawski et al, 1978) and conventionally used test procedures (e.g. Bieniawski, 1970, Wawersik, 1972, Hoek and Brown, 1980, p. 150), what limited approaches have been taken to develop strategies toward determining the long term mechanical behavior of "hard" rock remain in the early research and investigation stage, at best. One early model developed specifically for time dependent analysis of underground "hard" rock structures is the phenomenological model by Kaiser and Morgenstern (1981). Brady and Brown (1985, p. 93) state that over a wide range of strain rates, from 10^-8 to 10^2/s the difference in strength is only a factor of 2, and that "the observed behavior of rock is not significantly influenced by varying the strain rate within the range that is convenient to use in quasi-static laboratory compression tests." While this is undoubtedly true, it does not really address the question as to whether or not strengths thus measured can be considered appropriate for estimating long term strengths. One objective of this investigation was to evaluate the applicability of the approaches by Cruden (e.g. Cruden, 1971, 1974, 1983, 1987) and by Lajtai (e.g. Lajtai and Schmidtke, 1986, 1987) to the prediction of the long term mechanical behavior of the investigated tuffs. This involves in particular static fatigue testing, by conducting uniaxial, triaxial, and indirect splitting (Brazilian) tests over a wide range of strain (or stress, or displacement) rates.

  10. Predictors of Long-Term Healthy Arterial Aging: Coronary Artery Calcium Nondevelopment in the MESA Study.

    E-Print Network [OSTI]

    2015-01-01

    of Long-Term Healthy Arterial Aging Coronary Artery Calciumpredictors of healthy arterial aging. BACKGROUND Long-terma marker of healthy arterial aging. The predictors of this

  11. Long-term risk stabilization of the Rocky Flats Plant residues

    SciTech Connect (OSTI)

    Melberg, T.A.

    1994-12-31

    The liquid and solid residues continue to be a concern at Rocky Flats, primarily due to safety aspects of long-term storage and of the need for processing them into a form for ultimate disposal. Currently, Rocky Flats is processing the low-level solutions from bottles and tanks by direct cementation for storage and disposal. Plans for actinide precipitation of the high-level solutions are being finalized with an anticipated completion date of 2 to 3 yr. The solid residues present a more difficult challenge because of the numerous forms that these exist. Rocky Flats is developing several strategies to handle these materials for safe long-term storage and eventual disposal.

  12. On the long-term correlations and multifractal properties of electric arc furnace time series

    E-Print Network [OSTI]

    Livi, Lorenzo; Rizzi, Antonello; Sadeghian, Alireza

    2015-01-01

    In this paper, we study long-term correlations and multifractal properties elaborated from time series of three-phase current signals coming from an industrial electric arc furnace plant. Implicit sinusoidal trends are suitably detected in the scaling of the fluctuation function of such time series. Time series are then initially filtered via a Fourier based analysis, removing hence such strong periodicities. In the filtered time series we detected long-term, positive correlations. The presence of persistent correlations is in agreement with the typical V--I characteristic (hysteresis) of the electric arc furnace, justifying thus the memory effects found in the current time series. The multifractal signature is strong enough in the filtered time series to be effectively classified as multifractal.

  13. Long-term management of AAR-affected structures - An international perspective

    SciTech Connect (OSTI)

    Charlwood, R.G.; Solymar, Z.V.

    1995-12-31

    The objective of the paper is to review international practice and comment on progress made in the long-term management of existing AAR-affected dams and hydroelectric plants. A updated detailed worldwide listing which now includes 104 AAR-affected structures constructed since 1900 will be presented. The listing gives summary data on the year of construction, the year that significant problems were noted, aggregate and cement types, measured expansion rates, test data, time to initial deterioration, duration of reaction, damage to the structures and effects on equipment, and repairs or replacement. A comprehensive bibliography will also be given. Analysis of the database and significant case histories will be used to identify issues affecting dam safety, plant operations, remedial measures and long-term performance of AAR-affected structures. The presentation will be illustrated by several case histories where remedial measures have been implemented.

  14. Test methods for determining short and long term VOC emissions from latex paint

    SciTech Connect (OSTI)

    Krebs, K.; Lao, H.C.; Fortmann, R.; Tichenor, B.

    1998-09-01

    The paper discusses an evaluation of latex paint (interior, water based) as a source of indoor pollution. A major objective of the research is the development of methods for predicting emissions of volatile organic compounds (VOCs) over time. Test specimens of painted gypsumboard are placed in dynamic flow-through test chambers. Samples of the outlet air are collected on Tenax sorbents and thermally desorbed for analysis by gas chromatography/flame ionization detection. These tests produce short- and long-term data for latex paint emissions of Texanol, 2-2(-butoxyethoxy)-ethanol, and glycols. Evaluation of the data shows that most of the Texanol emissions occur within the first few days, and emissions of the glycols occur over several months. This behavior may be described by an evaporative mass transfer process that dominates the short-term emissions, while long-term emissions are limited by diffusion processes within the dry paint-gypsumboard.

  15. Global Change Biology (1996)2,169-182 Measurements of carbon sequestration by long-term

    E-Print Network [OSTI]

    Rose, Michael R.

    1996-01-01

    Global Change Biology (1996)2,169-182 Measurements of carbon sequestration by long-term eddy. The integrated carbon sequestration in 1994 was 2.1 t C ha-l y-l with a 90% confidence interval due to sampling an overall uncertainty on the annual carbon sequestration in 1994 of --0.3to +0.8 t C ha-l y-l. Keywords

  16. Investigation of in-vivo skin autofluorescence lifetimes under long-term cw optical excitation

    SciTech Connect (OSTI)

    Lihachev, A; Ferulova, I; Vasiljeva, K; Spigulis, J

    2014-08-31

    The main results obtained during the last five years in the field of laser-excited in-vivo human skin photobleaching effects are presented. The main achievements and results obtained, as well as methods and experimental devices are briefly described. In addition, the impact of long-term 405-nm cw low-power laser excitation on the skin autofluorescence lifetime is experimentally investigated. (laser biophotonics)

  17. Catastrophic Incident Recovery: Long-Term Recovery from an Anthrax Event Symposium

    SciTech Connect (OSTI)

    Lesperance, Ann M.

    2008-06-30

    On March 19, 2008, policy makers, emergency managers, and medical and Public Health officials convened in Seattle, Washington, for a workshop on Catastrophic Incident Recovery: Long-Term Recovery from an Anthrax Event. The day-long symposium was aimed at generating a dialogue about restoration and recovery through a discussion of the associated challenges that impact entire communities, including people, infrastructure, and critical systems.

  18. The Public Utility and Industry: A Customer- Supplier Relationship for Long-Term Survival 

    E-Print Network [OSTI]

    Janson, J. R.

    1990-01-01

    AND INDUSTRY: A CUSTOMER-SUPPLIER RELATIONSHIP FOR LONG-TERM SURVIVAL JAMES R. JANSON Superintendent of Utilities Vulcan Chemicals Geismar, Louisiana ABSTRACT other was due to better quality products than we as a nation could produce. The entire... people feel they are involved in the total process. How does all of this relate to the utility and industrial sector of the business community? As mentioned previously, the five points to improve an organization can bring about a customer-supplier...

  19. A C++ Framework for Conducting High-Speed, Long-Term Particle Tracking Simulations

    SciTech Connect (OSTI)

    Kabel, A.C.; /SLAC

    2006-02-06

    For the purpose of conducting parallel, long-term tracking studies of storage rings such as the ones described in [3], [4], maximum execution speed is essential. We describe an approach involving metaprogramming techniques in C++ which results in execution speeds rivaling hand-optimized assembler code for a particular tracking lattice while retaining the generality and flexibility of an all-purpose tracking code.

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

    Broader source: Energy.gov [DOE]

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

  1. Strategy for Long-Term Stewardship and Monitoring of Amchitka Island - 12190

    SciTech Connect (OSTI)

    Kautsky, Mark; Nguyen, Jason; Darr, Paul S.; Picel, Mary

    2012-07-01

    The Long-Term Surveillance and Maintenance Plan (LTSMP) for Amchitka details how the U.S. Department of Energy (DOE) intends to fulfill its mission to maintain protection of human health and the environment at and around the sites on Amchitka Island. The LTSMP calls for monitoring to be performed every 5 years, at least in the initial phase of the project. The purpose of the monitoring is to develop a baseline of activity concentrations for selected radionuclides in biota, water, and soil, both on Amchitka and at the reference location on Adak Island, approximately 322 km (200 miles) northeast of Amchitka. Data compiled by the Consortium for Risk Evaluation with Stakeholder Participation (CRESP, 2006) are being included as part of the baseline data set. The specific biological, water, and sediment samples collected during the 2011 sampling event were developed through close coordination with the primary stakeholders, including the Alaska Department of Environmental Conservation, the Aleutian Pribilof Island Association, and the U.S. Fish and Wildlife Service (USFWS). Amchitka is managed by the USFWS as part of the Alaska Maritime National Wildlife Refuge. Two plans were developed to address specific needs of the biological- and the terrestrial-monitoring programs. Results from these monitoring programs will help determine whether the environment is being impacted by radionuclide migration and uptake, and if subsistence and commercial-catch seafood is safe for human consumption. The RESRAD-BIOTA code is being used to evaluate ecological health relative to the radionuclide levels determined from this sampling event. The samples were sent to three laboratories for analysis. With the exception of the seawater samples, most of the samples were sent to the Center for Accelerator Mass Spectrometry at the Lawrence Livermore National Laboratory. A smaller subset of rock-weed samples, Star reindeer lichen samples, and soil samples collected from beneath the lichen were sent to UAF for cesium-137 analysis. Marine sediment samples were also collected and sent to UAF for testing. The seawater samples were sent to the University of Miami Tritium Laboratory for enriched tritium analysis. Results from the seawater samples for tritium were received in September 2011. Results from the 2011 sampling are expected to be available on the LM web site in 2012. (authors)

  2. Long-Term Performance of Transuranic Waste Inadvertently Disposed in a Shallow Land Burial Trench at the Nevada Test Site

    SciTech Connect (OSTI)

    Gregory J. Shott; Vefa Yucel

    2009-07-16

    In 1986, 21 m3 of transuranic (TRU) waste was inadvertently disposed in a shallow land burial trench at the Area 5 Radioactive Waste Management Site on the Nevada Test Site. U.S. Department of Energy (DOE) TRU waste must be disposed in accordance with Title 40, Code of Federal Regulations (CFR), Part 191, Environmental Radiation Protection Standard for Management and Disposal of Spent Nuclear Fuel, High-Level, and Transuranic Radioactive Wastes. The Waste Isolation Pilot Plant is the only facility meeting these requirements. The National Research Council, however, has found that exhumation of buried TRU waste for disposal in a deep geologic repository may not be warranted when the effort, exposures, and expense of retrieval are not commensurate with the risk reduction achieved. The long-term risks of leaving the TRU waste in-place are evaluated in two probabilistic performance assessments. A composite analysis, assessing the dose from all disposed waste and interacting sources of residual contamination, estimates an annual total effective dose equivalent (TEDE) of 0.01 mSv, or 3 percent of the dose constraint. A 40 CFR 191 performance assessment also indicates there is reasonable assurance of meeting all requirements. The 40 CFR 191.15 annual mean TEDE for a member of the public is estimated to reach a maximum of 0.055 mSv at 10,000 years, or approximately 37 percent of the 0.15 mSv individual protection requirement. In both assessments greater than 99 percent of the dose is from co-disposed low-level waste. The simulated probability of the 40 CFR 191.13 cumulative release exceeding 1 and 10 times the release limit is estimated to be 0.0093 and less than 0.0001, respectively. Site characterization data and hydrologic process modeling support a conclusion of no groundwater pathway within 10,000 years. Monte Carlo uncertainty analysis indicates that there is reasonable assurance of meeting all regulatory requirements. Sensitivity analysis indicates that the results are insensitive to TRU waste-related parameters. Limited quantities of TRU waste in a shallow land burial trench can meet DOE performance objectives for disposal of TRU waste and contribute negligibly to disposal site risk. Leaving limited quantities of buried TRU waste in-place may be preferred over retrieval for disposal in a deep geologic repository.

  3. Long-term spectroscopic monitoring of the Luminous Blue Variable HD160529

    E-Print Network [OSTI]

    Otmar Stahl; Thomas Gaeng; Chris Sterken; Andreas Kaufer; Thomas Rivinius; Thomas Szeifert; Bernhard Wolf

    2002-12-20

    We have spectroscopically monitored the galactic Luminous Blue Variable HD 160529 and obtained an extensive high-resolution data set that covers the years 1991 to 2002. During this period, the star evolved from an extended photometric minimum phase towards a new visual maximum. In several observing seasons, we covered up to four months with almost daily spectra. Our spectra typically cover most of the visual spectral range with a high spectral resolution (about 20,000 or more). This allows us to investigate the variability in many lines and on many time scales from days to years. We find a correlation between the photospheric HeI lines and the brightness of the star, both on a time scale of months and on a time scale of years. The short-term variations are smaller and do not follow the long-term trend, strongly suggesting different physical mechanisms. Metal lines also show both short-term and long-term variations in strength and also a long-term trend in radial velocity. Most of the line-profile variations can be attributed to changing strengths of lines. Propagating features in the line profiles are rarely observed. We find that the mass-loss rate of HD 160529 is almost independent of temperature, i.e. visual brightness.

  4. Influence of membrane-electrode interface on long-term performance of direct methanol fuel cells

    SciTech Connect (OSTI)

    Kim, Y. S. (Yu Seung); Pivovar, B. S. (Bryan Scott)

    2004-01-01

    Long-term stability of direct methanol fuel cells (DMFCs) is one of the most critical requirements for the successful launch of this technology to commercial market. When a DMFC is operated for extended periods of time, performance decreases continuously. The performance decay in continuous operation of DMFCs is caused by several different attributes, such as surface oxidation of platinum at the cathode, loss of catalytic active surface area, interfacial failure between membrane and electrode, changing hydrophobicity of backing layers or ruthenium crossover. Among those attributes, the interfacial incompatibility between membrane and electrode becomes more important when alternative polymer electrolyte membranes (PEM) are used with Nafion-bonded electrode. In earlier work, we demonstrated that the direct methanol fuel cells (DMFCs) using alternative fully aromatic hydrocarbon based PEMs initially outperformed the DMFCs using industrial standard Nafion membranes. Nonetheless, the longer-term performance of the alternative system deteriorated rather faster probably due to the interfacial incompatibility. In this presentation, the effect of interfacial incompatibility of membrane electrode assemblies (MEAs) on long-term DMFC performance is presented in a systematic manner. A series of disulfonated poly(arylene ether) copolymers having different ion exchange capacity and fluorine content was prepared. The effects of chemical structure of the PEMs on interfacial compatibility and long-term performance were investigated and compared with Nation control membraneelectrode assembly.

  5. Locked into Copenhagen pledges - Implications of short-term emission targets for the cost and feasibility of long-term climate goals

    SciTech Connect (OSTI)

    Riahi, Keywan; Kriegler, Elmar; Johnson, Nils; Bertram, Christoph; den Elzen, Michel; Eom, Jiyong; Schaeffer, Michiel; Edmonds, James A.; Isaac, Morna; Krey, Volker; Longden, Thomas; Luderer, Gunnar; Mejean, Aurelie; McCollum, David; Mima, Silvana; Turton, Hal; Van Vuuren, Detlef; Wada, Kenichi; Bosetti, Valentina; Capros, Pantelis; Criqui, Patrick; Hamdi-Cherif, Meriem; Kainuma, M.; Edenhofer, Ottmar

    2015-01-01

    This paper provides an overview of the AMPERE intermodeling comparison with focus on the implications of near-term policies for the costs and attainability of long-term climate objectives. Ten modeling teams participated in the project to explore the consequences of global emissions following the proposed policy stringency of the national pledges from the Copenhagen Accord and Cancún Agreements to 2030. Specific features compared to earlier assessments are the explicit consideration of near-term 2030 emissions targets as well as the systematic sensitivity analysis for the availability and potential of mitigation technologies. Our estimates show that a 2030 mitigation effort comparable to the pledges would result in a further "lock-in" of the energy system into fossil fuels and thus impede the required energy transformation to reach low greenhouse-gas stabilization levels (450ppm CO2e). Major implications include significant increases in mitigation costs, increased risk that low stabilization targets become unattainable, and reduced chances of staying below the proposed temperature change target of 2C. With respect to technologies, we find that following the pledge pathways to 2030 would narrow policy choices, and increases the risks that some currently optional technologies, such as nuclear or carbon capture and storage (CCS), will become "a must" by 2030.

  6. Long-term Testing Results for the 2008 Installation of LED Luminaires at the I-35 West Bridge in Minneapolis

    SciTech Connect (OSTI)

    Kinzey, Bruce R.; Davis, Robert G.

    2014-09-30

    This document reports the long-term testing results from an extended GATEWAY project that was first reported in “Demonstration Assessment of Light-Emitting Diode (LED) Roadway Lighting at the I-35W Bridge, in Minneapolis, MN,” August 2009. That original report presented the results of lighting the newly reconstructed I 35W Bridge using LEDs in place of conventional high-pressure sodium (HPS) roadway luminaires, comparing energy use and illuminance levels with a simulated baseline condition. That installation was an early stage implementation of LED lighting and remains one of the oldest installations in continued operation today. This document provides an update of the LED system’s performance since its installation in September 2008.

  7. EIS-0074: Long-Term Management of Defense High-Level Radioactive Wastes Idaho Chemical Processing Plant, Idaho National Engineering Lab, Idaho

    Broader source: Energy.gov [DOE]

    The U.S. Department of Energy prepared this statement to analyze the environmental implications of the proposed selection of a strategy for long-term management of the high-level radioactive wastes generated as part of the national defense effort at the Department's Idaho Chemical Processing Plant at the Idaho National Engineering Laboratory. The project was cancelled after the Draft Environmental Impact Statement was produced.

  8. Shifting the Paradigm for Long Term Monitoring at Legacy Sites to Improve Performance while Reducing Cost

    SciTech Connect (OSTI)

    Eddy-Dilek, Carol A.; Looney, Brian B.; Seaman, John; Kmetz, Thomas

    2013-01-10

    A major issue facing many government and private industry sites that were previously contaminated with radioactive and chemical wastes is that often the sites cannot be cleaned up enough to permit unrestricted human access. These sites will require long-term management, in some cases indefinitely, leaving site owners with the challenge of protecting human health and environmental quality in a cost effective manner. Long-term monitoring of groundwater contamination is one of the largest projected costs in the life cycle of environmental management at the Savannah River Site (SRS), the larger DOE complex, and many large federal and private sites. Currently, most monitoring strategies are focused on laboratory measurements of contaminants measured in groundwater samples collected from wells. This approach is expensive, and provides limited and lagging information about the effectiveness of cleanup activities and the behavior of the residual contamination. Over the last twenty years, DOE and other federal agencies have made significant investments in the development of various types of sensors and strategies that would allow for remote analysis of contaminants in groundwater, but these approaches do not promise significant reductions in risk or cost. Scientists at SRS have developed a new paradigm to simultaneously improve the performance of long term monitoring systems while lowering the overall cost of monitoring. This alternative approach incorporates traditional point measurements of contaminant concentration with measurements of controlling variables including boundary conditions, master variables, and traditional plume/contaminant variables. Boundary conditions are the overall driving forces that control plume movement and therefore provide leading indication to changes in plume stability. These variables include metrics associated with meteorology, hydrology, hydrogeology, and land use. Master variables are the key variables that control the chemistry of the groundwater system, and include redox variables (ORP, DO, chemicals), pH, specific conductivity, biological community (breakdown/decay products), and temperature. A robust suite of relatively inexpensive tools is commercially available to measure these variables. Traditional plume/contaminant variables are various measures of contaminant concentration including traditional analysis of chemicals in groundwater samples. An innovative long term monitoring strategy has been developed for acidic or caustic groundwater plumes contaminated with metals and/or radionuclides. Not only should the proposed strategy be more effective at early identification of potential risks, this strategy should be significantly more cost effective because measurement of controlling boundary conditions and master variables is relatively simple. These variables also directly reflect the evolution of the plume through time, so that the monitoring strategy can be modified as the plume 'ages'. This transformational long-term monitoring paradigm will generate significant cost savings to DOE, other federal agencies and industry and will provide improved performance and leading indicators of environmental management performance.

  9. DEMONSTRATION OF LONG-TERM STORAGE CAPABILITY FOR SPENT NUCLEAR FUEL IN L BASIN

    SciTech Connect (OSTI)

    Sindelar, R.; Deible, R.

    2011-04-27

    The U.S. Department of Energy decisions for the ultimate disposition of its inventory of used nuclear fuel presently in, and to be received and stored in, the L Basin at the Savannah River Site, and schedule for project execution have not been established. A logical decision timeframe for the DOE is following the review of the overall options for fuel management and disposition by the Blue Ribbon Commission on America's Nuclear Future (BRC). The focus of the BRC review is commercial fuel; however, the BRC has included the DOE fuel inventory in their review. Even though the final report by the BRC to the U.S. Department of Energy is expected in January 2012, no timetable has been established for decisions by the U.S. Department of Energy on alternatives selection. Furthermore, with the imminent lay-up and potential closure of H-canyon, no ready path for fuel disposition would be available, and new technologies and/or facilities would need to be established. The fuel inventory in wet storage in the 3.375 million gallon L Basin is primarily aluminum-clad, aluminum-based fuel of the Materials Test Reactor equivalent design. An inventory of non-aluminum-clad fuel of various designs is also stored in L Basin. Safe storage of fuel in wet storage mandates several high-level 'safety functions' that would be provided by the Structures, Systems, and Components (SSCs) of the storage system. A large inventory of aluminum-clad, aluminum-based spent nuclear fuel, and other nonaluminum fuel owned by the U.S. Department of Energy is in wet storage in L Basin at the Savannah River Site. An evaluation of the present condition of the fuel, and the Structures, Systems, or Components (SSCs) necessary for its wet storage, and the present programs and storage practices for fuel management have been performed. Activities necessary to validate the technical bases for, and verify the condition of the fuel and the SSCs under long-term wet storage have also been identified. The overall conclusion is that the fuel can be stored in L Basin, meeting general safety functions for fuel storage, for an additional 50 years and possibly beyond contingent upon continuation of existing fuel management activities and several augmented program activities. It is concluded that the technical bases and well-founded technologies have been established to store spent nuclear fuel in the L Basin. Methodologies to evaluate the fuel condition and characteristics, and systems to prepare fuel, isolate damaged fuel, and maintain water quality storage conditions have been established. Basin structural analyses have been performed against present NPH criteria. The aluminum fuel storage experience to date, supported by the understanding of the effects of environmental variables on materials performance, demonstrates that storage systems that minimize degradation and provide full retrievability of the fuel up to and greater than 50 additional years will require maintaining the present management programs, and with the recommended augmented/additional activities in this report.

  10. Long-term activity-induced changes in the brain : a study of translational regulation and structural plasticity

    E-Print Network [OSTI]

    Govindarajan, Arvind

    2005-01-01

    Long-lasting changes must take place in the brain to store the skills and memories that have been learned by the organism throughout its history. Long-term memory (LTM), and its cellular correlate, the late-phase of long-term ...

  11. Long-Term Creep Of Commercially Produced Plastic Lumber Kenneth E. Van Ness, Ph.D., Washington and Lee University

    E-Print Network [OSTI]

    of the mechanical properties of plastic lumber. Any attempt to design for long-term performance, utilizing ASTM-term mechanical properties of plastic lumber in load-bearing applications. An earlier work outlined a theoryLong-Term Creep Of Commercially Produced Plastic Lumber Kenneth E. Van Ness, Ph.D., Washington

  12. A molecular explanation for the long-term suppression of circadian rhythms by a single light pulse

    E-Print Network [OSTI]

    Goldbeter, Albert

    A molecular explanation for the long-term suppression of circadian rhythms by a single light pulse explanation for the long-term suppression of circadian rhythms by a single light pulse. Am J Physiol rhythms in Drosophila based on transcriptional regulation, we show how a single, critical pulse of light

  13. CAMPUS ENERGY MODEL

    Energy Science and Technology Software Center (OSTI)

    003655IBMPC00 Campus Energy Model for Control and Performance Validation  https://github.com/NREL/CampusEnergyModeling/releases/tag/v0.2.1 

  14. Colorado: Energy Modeling Products Support Energy Efficiency...

    Office of Environmental Management (EM)

    Energy Modeling Products Support Energy Efficiency Projects Colorado: Energy Modeling Products Support Energy Efficiency Projects May 1, 2014 - 11:04am Addthis Xcel Energy, a...

  15. Complications Associated with Long-Term Disposition of Newly-Generated Transuranic Waste: A National Laboratory Perspective

    SciTech Connect (OSTI)

    B.J. Orchard; L.A. Harvego; T.L. Carlson; R.P. Grant

    2009-03-01

    The Idaho National Laboratory (INL) is a multipurpose national laboratory delivering specialized science and engineering solutions for the U.S. Department of Energy (DOE). Sponsorship of INL was formally transferred to the DOE Office of Nuclear Energy, Science and Technology (NE) by Secretary Spencer Abraham in July 2002. The move to NE, and designation as the DOE lead nuclear energy laboratory for reactor technology, supports the nation’s expanding nuclear energy initiatives, placing INL at the center of work to develop advanced Generation IV nuclear energy systems; nuclear energy/hydrogen coproduction technology; advanced nuclear energy fuel cycle technologies; and providing national security answers to national infrastructure needs. As a result of the Laboratory’s NE mission, INL generates both contact-handled and remote-handled transuranic (TRU) waste from ongoing operations. Generation rates are relatively small and fluctuate based on specific programs and project activities being conducted; however, the Laboratory will continue to generate TRU waste well into the future in association with the NE mission. Currently, plans and capabilities are being established to transfer INL’s contact-handled TRU waste to the Advanced Mixed Waste Treatment Plant (AMWTP) for certification and disposal to the Waste Isolation Pilot Plant (WIPP). Remote-handled TRU waste is currently placed in storage at the Materials and Fuels Complex (MFC). In an effort to minimize future liabilities associated with the INL NE mission, INL is evaluating and assessing options for the management and disposition of all its TRU waste on a real-time basis at time of generation. This paper summarizes near-term activities to minimize future re handling of INL’s TRU waste, as well as, potential complications associated with the long-term disposition of newly-generated TRU waste. Potential complications impacting the disposition of INL newly-generated TRU waste include, but are not limited to: 1) required remote-handled TRU packaging configuration(s) vs. current facility capabilities, 2) long-term NE mission activities, 3) WIPP certification requirements, and 4) budget considerations.

  16. Effect of Creep of Ferritic Interconnect on Long-Term Performance of Solid Oxide Fuel Cell Stacks

    SciTech Connect (OSTI)

    Liu, Wenning N.; Sun, Xin; Khaleel, Mohammad A.

    2010-08-01

    High-temperature ferritic alloys are potential candidates as interconnect (IC) materials and spacers due to their low cost and coefficient of thermal expansion (CTE) compatibility with other components for most of the solid oxide fuel cells (SOFCs) . However, creep deformation becomes relevant for a material when the operating temperature exceeds or even is less than half of its melting temperature (in degrees of Kelvin). The operating temperatures for most of the SOFCs under development are around 1,073 K. With around 1,800 K of the melting temperature for most stainless steel, possible creep deformation of ferritic IC under the typical cell operating temperature should not be neglected. In this paper, the effects of IC creep behavior on stack geometry change and the stress redistribution of different cell components are predicted and summarized. The goal of the study is to investigate the performance of the fuel cell stack by obtaining the changes in fuel- and air-channel geometry due to creep of the ferritic stainless steel IC, therefore indicating possible changes in SOFC performance under long-term operations. The ferritic IC creep model was incorporated into software SOFC-MP and Mentat-FC, and finite element analyses were performed to quantify the deformed configuration of the SOFC stack under the long-term steady-state operating temperature. It was found that the creep behavior of the ferritic stainless steel IC contributes to narrowing of both the fuel- and the air-flow channels. In addition, stress re-distribution of the cell components suggests the need for a compliant sealing material that also relaxes at operating temperature.

  17. SHORT AND LONG-TERM FIRE IMPACTS ON HANFORD BARRIER PERFORMANCE

    SciTech Connect (OSTI)

    Ward, Anderson L.; Leary, Kevin D.; Link, Steven O.; Berlin, Gregory T.; Cammann, Jerry W.; Mandis, M. L.; Buelow, Laura C.

    2009-03-05

    A critical unknown in long-term engineered barrier use is the post-fire hydrologic function where institutional controls are in-tact but there are no resources to implement maintenance activities such as re-planting. This objective of this study was to simulate wild fire on an engineered barrier at the Hanford Site and document the post-fire changes in barrier performance. Soil physical, chemical, and hydrologic conditions; plant floristics and density; and animal use were characterized pre- and post-burn. Fuel load on the surface ranged from 4.7 to 5.71 tons/acre. Fire was initiated by drip torch and measurements of flame height and temperature were made at nine locations on the barrier surface. Flame heights exceeded 30 ft and temperatures ranged from 250 C at 1.5 cm below the surface to over 700 C at 1 m above the surface. Soil organic matter, soil wettability, and hydraulic conductivity all decreased significantly relative to pre-fire conditions. Post-fire samples showed an increase in major soil nutrients, pH, and electrical conductivity measured in 1:1 extracts whereas organic matter decreased. Decreases in wettabilty and organic matter are indicative of conditions more conducive to runoff and soil loss. The results of this study will contribute to a better understanding of post-fire recovery in a post-institutional control environment. This should lead to enhanced stakeholder acceptance regarding the long-term efficacy of ET barriers. This study will also support improvements in the design of ET barriers and performance monitoring systems. Such improvements are needed to best meet the long-term commitment to the safe in-place isolation of waste for hundreds if not thousands of years.

  18. Final Long-Term Management and Storage of Elemental Mercury Environmental Impact Statement Volume1

    SciTech Connect (OSTI)

    Not Available

    2011-01-01

    Pursuant to the Mercury Export Ban Act of 2008 (P.L. 110-414), DOE was directed to designate a facility or facilities for the long-term management and storage of elemental mercury generated within the United States. Therefore, DOE has analyzed the storage of up to 10,000 metric tons (11,000 tons) of elemental mercury in a facility(ies) constructed and operated in accordance with the Solid Waste Disposal Act, as amended by the Resource Conservation and Recovery Act (74 FR 31723).DOE prepared this Final Mercury Storage EIS in accordance with the National Environmental Policy Act of 1969 (NEPA), as amended (42 U.S.C. 4321 et seq.), the Council on Environmental Quality (CEQ) implementing regulations (40 CFR 1500–1508), and DOE’s NEPA implementing procedures (10 CFR 1021) to evaluate reasonable alternatives for a facility(ies) for the long-term management and storage of elemental mercury. This Final Mercury Storage EIS analyzes the potential environmental, human health, and socioeconomic impacts of elemental mercury storage at seven candidate locations:Grand Junction Disposal Site near Grand Junction, Colorado; Hanford Site near Richland, Washington; Hawthorne Army Depot near Hawthorne, Nevada; Idaho National Laboratory near Idaho Falls, Idaho;Kansas City Plant in Kansas City, Missouri; Savannah River Site near Aiken, South Carolina; and Waste Control Specialists, LLC, site near Andrews, Texas. As required by CEQ NEPA regulations, the No Action Alternative was also analyzed as a basis for comparison. DOE intends to decide (1) where to locate the elemental mercury storage facility(ies) and (2) whether to use existing buildings, new buildings, or a combination of existing and new buildings. DOE’s Preferred Alternative for the long-term management and storage of mercury is the Waste Control Specialists, LLC, site near Andrews, Texas.

  19. Long-Term Results of Targeted Intraoperative Radiotherapy (Targit) Boost During Breast-Conserving Surgery

    SciTech Connect (OSTI)

    Vaidya, Jayant S., E-mail: jayant.vaidya@ucl.ac.uk [Research Department of Surgery, Division of Surgery and Interventional Science, University College London, London (United Kingdom); Baum, Michael [Research Department of Surgery, Division of Surgery and Interventional Science, University College London, London (United Kingdom); Tobias, Jeffrey S. [Department of Radiation Oncology, University College London Hospitals, London (United Kingdom); Wenz, Frederik [Radiation Oncology and Gynaecology, University Medical Centre of Mannheim (Germany); Massarut, Samuele [Surgery and Radiation Oncology, Centro di Riferimento Oncologico (CRO), Aviano (Italy); Keshtgar, Mohammed [Research Department of Surgery, Division of Surgery and Interventional Science, University College London, London (United Kingdom); Hilaris, Basil [Radiation Oncology, Our Lady of Mercy, New York Medical College, New York (United States); Saunders, Christobel [Institute of Health and Rehabilitation Research, University of Notre Dame, Fremantle, Western Australia (Australia); Williams, Norman R.; Brew-Graves, Chris [Research Department of Surgery, Division of Surgery and Interventional Science, University College London, London (United Kingdom); Corica, Tammy [Institute of Health and Rehabilitation Research, University of Notre Dame, Fremantle, Western Australia (Australia); Roncadin, Mario [Surgery and Radiation Oncology, Centro di Riferimento Oncologico (CRO), Aviano (Italy); Kraus-Tiefenbacher, Uta; Suetterlin, Marc [Radiation Oncology and Gynaecology, University Medical Centre of Mannheim (Germany); Bulsara, Max [Institute of Health and Rehabilitation Research, University of Notre Dame, Fremantle, Western Australia (Australia); Joseph, David [Radiation Oncology, Sir Charles Gairdner Hospital and School of Surgery, University of Western Australia, Perth (Australia)

    2011-11-15

    Purpose: We have previously shown that delivering targeted radiotherapy to the tumour bed intraoperatively is feasible and desirable. In this study, we report on the feasibility, safety, and long-term efficacy of TARGeted Intraoperative radioTherapy (Targit), using the Intrabeam system. Methods and Materials: A total of 300 cancers in 299 unselected patients underwent breast-conserving surgery and Targit as a boost to the tumor bed. After lumpectomy, a single dose of 20 Gy was delivered intraoperatively. Postoperative external beam whole-breast radiotherapy excluded the usual boost. We also performed a novel individualized case control (ICC) analysis that computed the expected recurrences for the cohort by estimating the risk of recurrence for each patient using their characteristics and follow-up period. Results: The treatment was well tolerated. The median follow up was 60.5 months (range, 10-122 months). Eight patients have had ipsilateral recurrence: 5-year Kaplan Meier estimate for ipsilateral recurrence is 1.73% (SE 0.77), which compares well with that seen in the boosted patients in the European Organization for Research and Treatment of Cancer study (4.3%) and the UK STAndardisation of breast RadioTherapy study (2.8%). In a novel ICC analysis of 242 of the patients, we estimated that there should be 11.4 recurrences; in this group, only 6 recurrences were observed. Conclusions: Lumpectomy and Targit boost combined with external beam radiotherapy results in a low local recurrence rate in a standard risk patient population. Accurate localization and the immediacy of the treatment that has a favorable effect on tumour microenvironment may contribute to this effect. These long-term data establish the long-term safety and efficacy of the Targit technique and generate the hypothesis that Targit boost might be superior to an external beam boost in its efficacy and justifies a randomized trial.

  20. Final Long-Term Management and Storage of Elemental Mercury Environmental Impact Statement Volume 2

    SciTech Connect (OSTI)

    Not Available

    2011-01-01

    Pursuant to the Mercury Export Ban Act of 2008 (P.L. 110-414), DOE was directed to designate a facility or facilities for the long-term management and storage of elemental mercury generated within the United States. Therefore, DOE has analyzed the storage of up to 10,000 metric tons (11,000 tons) of elemental mercury in a facility(ies) constructed and operated in accordance with the Solid Waste Disposal Act, as amended by the Resource Conservation and Recovery Act (74 FR 31723). DOE prepared this Final Mercury Storage EIS in accordance with the National Environmental Policy Act of 1969 (NEPA), as amended (42 U.S.C. 4321 et seq.), the Council on Environmental Quality (CEQ) implementing regulations (40 CFR 1500–1508), and DOE’s NEPA implementing procedures (10 CFR 1021) to evaluate reasonable alternatives for a facility(ies) for the long-term management and storage of elemental mercury. This Final Mercury Storage EIS analyzes the potential environmental, human health, and socioeconomic impacts of elemental mercury storage at seven candidate locations: Grand Junction Disposal Site near Grand Junction, Colorado; Hanford Site near Richland, Washington; Hawthorne Army Depot near Hawthorne, Nevada; Idaho National Laboratory near Idaho Falls, Idaho; Kansas City Plant in Kansas City, Missouri; Savannah River Site near Aiken, South Carolina; and Waste Control Specialists, LLC, site near Andrews, Texas. As required by CEQ NEPA regulations, the No Action Alternative was also analyzed as a basis for comparison. DOE intends to decide (1) where to locate the elemental mercury storage facility(ies) and (2) whether to use existing buildings, new buildings, or a combination of existing and new buildings. DOE’s Preferred Alternative for the long-term management and storage of mercury is the Waste Control Specialists, LLC, site near Andrews, Texas.

  1. The long-term problems of contaminated land: Sources, impacts and countermeasures

    SciTech Connect (OSTI)

    Baes, C.F. III

    1986-11-01

    This report examines the various sources of radiological land contamination; its extent; its impacts on man, agriculture, and the environment; countermeasures for mitigating exposures; radiological standards; alternatives for achieving land decontamination and cleanup; and possible alternatives for utilizing the land. The major potential sources of extensive long-term land contamination with radionuclides, in order of decreasing extent, are nuclear war, detonation of a single nuclear weapon (e.g., a terrorist act), serious reactor accidents, and nonfission nuclear weapons accidents that disperse the nuclear fuels (termed ''broken arrows'').

  2. Assessing Long-Term Wind Conditions by Combining Different Measure-Correlate-Predict Algorithms: Preprint

    SciTech Connect (OSTI)

    Zhang, J.; Chowdhury, S.; Messac, A.; Hodge, B. M.

    2013-08-01

    This paper significantly advances the hybrid measure-correlate-predict (MCP) methodology, enabling it to account for variations of both wind speed and direction. The advanced hybrid MCP method uses the recorded data of multiple reference stations to estimate the long-term wind condition at a target wind plant site. The results show that the accuracy of the hybrid MCP method is highly sensitive to the combination of the individual MCP algorithms and reference stations. It was also found that the best combination of MCP algorithms varies based on the length of the correlation period.

  3. LONG-TERM DEMONSTRATION OF SORBENT ENHANCEMENT ADDITIVE TECHNOLOGY FOR MERCURY CONTROL

    SciTech Connect (OSTI)

    Jason D. Laumb; Dennis L. Laudal; Grant E. Dunham; John P. Kay; Christopher L. Martin; Jeffrey S. Thompson; Nicholas B. Lentz; Alexander Azenkeng; Kevin C. Galbreath; Lucinda L. Hamre

    2011-05-27

    Long-term demonstration tests of advanced sorbent enhancement additive (SEA) technologies have been completed at five coal-fired power plants. The targeted removal rate was 90% from baseline conditions at all five stations. The plants included Hawthorn Unit 5, Mill Creek Unit 4, San Miguel Unit 1, Centralia Unit 2, and Hoot Lake Unit 2. The materials tested included powdered activated carbon, treated carbon, scrubber additives, and SEAs. In only one case (San Miguel) was >90% removal not attainable. The reemission of mercury from the scrubber at this facility prevented >90% capture.

  4. LONG-TERM SURVEILLANCE PLAN FOR THE GREEN RIVER, UTAH DISPOSAL SITE Ttable of Contents

    Office of Legacy Management (LM)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of NaturalDukeWakefield Municipal Gas &SCE-SessionsSouth DakotaRobbins and700, 1.Reports1E~LONG-TERM SURVEILLANCE PLAN FOR

  5. Final Long-Term Management and Storage of Elemental Mercury Supplemental Environmental Impact Statement

    Office of Environmental Management (EM)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustmentsShirley Ann Jackson About1996 EMBG-PLN-0036 Rev. 6Committee | Department ofFinal Long-Term Management

  6. Sandia Energy - Phenomenological Modeling

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

    Phenomenological Modeling Home Stationary Power Nuclear Fuel Cycle Nuclear Energy Safety Technologies Phenomenological Modeling Phenomenological ModelingTara Camacho-Lopez2015-05-1...

  7. Impacts of high energy prices on long-term energy-economic scenarios for Germany

    E-Print Network [OSTI]

    with current allocation rules in the emissions trading scheme, the CO2 emissions decrease relatively steadily (especially lignite). In the case of the implementation of an ideal emissions trading scheme with full

  8. WHFast: A fast and unbiased implementation of a symplectic Wisdom-Holman integrator for long term gravitational simulations

    E-Print Network [OSTI]

    Hanno Rein; Daniel Tamayo

    2015-06-02

    We present WHFast, a fast and accurate implementation of a Wisdom-Holman symplectic integrator for long-term orbit integrations of planetary systems. WHFast is significantly faster and conserves energy better than all other Wisdom-Holman integrators tested. We achieve this by significantly improving the Kepler-solver and ensuring numerical stability of coordinate transformations to and from Jacobi coordinates. These refinements allow us to remove the linear secular trend in the energy error that is present in other implementations. For small enough timesteps we achieve Brouwer's law, i.e. the energy error is dominated by an unbiased random walk due to floating-point round-off errors. We implement symplectic correctors up to order eleven that significantly reduce the energy error. We also implement a symplectic tangent map for the variational equations. This allows us to efficiently calculate two widely used chaos indicators the Lyapunov characteristic number (LCN) and the Mean Exponential Growth factor of Nearby Orbits (MEGNO). WHFast is freely available as a flexible C package, as a shared library, and as an easy-to-use python module.

  9. Summary report of the screening process to determine reasonable alternatives for long-term storage and disposition of weapons-usable fissile materials

    SciTech Connect (OSTI)

    NONE

    1995-03-29

    Significant quantities of weapons-usable fissile materials (primarily plutonium and highly enriched uranium) have become surplus to national defense needs both in the US and Russia. These stocks of fissile materials pose significant dangers to national and international security. The dangers exist not only in the potential proliferation of nuclear weapons but also in the potential for environmental, safety and health consequences if surplus fissile materials are not properly managed. As announced in the Notice of Intent (NOI) to prepare a Programmatic Environmental Impact Statement (PEIS), the Department of Energy is currently conducting an evaluation process for disposition of surplus weapons-usable fissile materials determined surplus to National Security needs, and long-term storage of national security and programmatic inventories, and surplus weapons-usable fissile materials that are not able to go directly from interim storage to disposition. An extensive set of long-term storage and disposition options was compiled. Five broad long-term storage options were identified; thirty-seven options were considered for plutonium disposition; nine options were considered for HEU disposition; and eight options were identified for Uranium-233 disposition. Section 2 discusses the criteria used in the screening process. Section 3 describes the options considered, and Section 4 provides a detailed summary discussions of the screening results.

  10. Over 150 years of long-term fertilization alters spatial scaling of microbial biodiversity

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

    Liang, Yuting; Wu, Liyou; Clark, Ian M.; Xue, Kai; Yang, Yunfeng; Van Nostrand, Joy D.; Deng, Ye; He, Zhili; McGrath, Steve; Storkey, Jonathan; et al

    2015-04-07

    Spatial scaling is a critical issue in ecology, but how anthropogenic activities like fertilization affect spatial scaling is poorly understood, especially for microbial communities. Here, we determined the effects of long-term fertilization on the spatial scaling of microbial functional diversity and its relationships to plant diversity in the 150-year-old Park Grass Experiment, the oldest continuous grassland experiment in the world. Nested samples were taken from plots with contrasting inorganic fertilization regimes, and community DNAs were analyzed using the GeoChip-based functional gene array. The slopes of microbial gene-area relationships (GARs) and plant species-area relationships (SARs) were estimated in a plot receivingmore »nitrogen (N), phosphorus (P), and potassium (K) and a control plot without fertilization. Our results indicated that long-term inorganic fertilization significantly increased both microbial GARs and plant SARs. Microbial spatial turnover rates (i.e., z values) were less than 0.1 and were significantly higher in the fertilized plot (0.0583) than in the control plot (0.0449) (P « less

  11. Over 150 years of long-term fertilization alters spatial scaling of microbial biodiversity

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

    Liang, Yuting; Wu, Liyou; Clark, Ian M.; Xue, Kai; Yang, Yunfeng; Van Nostrand, Joy D.; Deng, Ye; He, Zhili; McGrath, Steve; Storkey, Jonathan; et al

    2015-04-07

    Spatial scaling is a critical issue in ecology, but how anthropogenic activities like fertilization affect spatial scaling is poorly understood, especially for microbial communities. Here, we determined the effects of long-term fertilization on the spatial scaling of microbial functional diversity and its relationships to plant diversity in the 150-year-old Park Grass Experiment, the oldest continuous grassland experiment in the world. Nested samples were taken from plots with contrasting inorganic fertilization regimes, and community DNAs were analyzed using the GeoChip-based functional gene array. The slopes of microbial gene-area relationships (GARs) and plant species-area relationships (SARs) were estimated in a plot receivingmore »nitrogen (N), phosphorus (P), and potassium (K) and a control plot without fertilization. Our results indicated that long-term inorganic fertilization significantly increased both microbial GARs and plant SARs. Microbial spatial turnover rates (i.e., z values) were less than 0.1 and were significantly higher in the fertilized plot (0.0583) than in the control plot (0.0449) (P z values also varied significantly with different functional genes involved in carbon (C), N, P, and sulfur (S) cycling and with various phylogenetic groups (archaea, bacteria, and fungi). Similarly, the plant SARs increased significantly (P « less

  12. Long Term Stewardship Challenges at the St. Louis District FUSRAP Sites

    SciTech Connect (OSTI)

    Dell'Orco, L.; Chambers, D.

    2002-02-27

    Non-Federally owned radioactively contaminated sites in St. Louis, Missouri are currently being remediated by the St. Louis District Corps of Engineers under the Formerly Utilized Sites Remedial Action Program (FUSRAP). When FUSRAP remediation is complete, inaccessible soils which have levels of contamination greater than unrestricted use standards, will remain. The purpose of this paper is to document the initial challenges facing the project team during its development of the Long Term Stewardship plan for the management of these soils. These soils are located under buildings, roads, railroads and bridges. The Long Term Stewardship plan for the majority of the sites is being developed simultaneously with the remedy selection process. A living document, it will ultimately document the remedial action end state and location of inaccessible soils and implement the plan for ensuring these soils are not a threat to human health and the environment. Although these soils are protective in their current configuration, at some point in time, when activities such as maintenance, utility or property improvement occur, the soils will become accessible and need to be addressed by the federal government. Up until that point in time they will need to be effectively managed to ensure they remain protective. The St. Louis District is in the process of collaboratively developing this plan with its regulators, affected stakeholders and interested parties.

  13. Long-term impacts of aerosols on the vertical development of clouds and precipitation

    SciTech Connect (OSTI)

    Li, Zhanqing; Niu, F.; Fan, Jiwen; Liu, Yangang; Rosenfeld, Daniel; Ding, Yanni

    2011-12-01

    Aerosol has complex effects on clouds and precipitation that may augment or offset each other contingent upon a variety of variables. As a result, its long-term impact on climate is largely unknown. Using 10 years of the US Atmospheric Radiation Measurement (ARM) measurements, strong aerosol effects of climatologically significance are detected. With increasing total aerosol number concentration (condensation nucleus, CN) measured near the ground, both cloud top height and precipitation change systematically for mix-phase clouds of warm-base (cloud base <1km) and cold-top (above the freezing level), but not for pure liquid and ice clouds. Cloud thickness can increase systematically with the CN concentration by up to a factor of 2. The response of precipitation to CN depends on cloud liquid water path (LWP). As CN increases, rain occurs more frequently for high LWP but less frequently for low LWP. Such strong signals of aerosol long-term impact on cloud and precipitation have not been reported and have significant implications for climate change studies, especially concerning regional and global climate change induced by pollution.

  14. Effect of Gaseous Impurities on Long-Term Thermal Cycling and Aging Properties of Complex Hydrides for Hydrogen Storage

    SciTech Connect (OSTI)

    Chandra, Dhanesh; Lamb, Joshua; Chien, Wen-Ming; Talekar, Anjali; and Pal, Narendra.

    2011-03-28

    This program was dedicated to understanding the effect of impurities on Long-Term Thermal Cycling and aging properties of Complex Hydrides for Hydrogen Storage. At the start of the program we found reversibility between Li2NH+LiH ? LiH+LiNH2 (yielding ~5.8 wt.%H capacity). Then we tested the effect of impurity in H2 gas by pressure cycling at 255oC; first with industrial gas containing ppm levels of O2 and H2O as major impurities. Both these impurities had a significant impact on the reversibility and decreased the capacity by 2.65 wt.%H. Further increase in number of cycles from 500 to 1100 showed only a 0.2 wt%H more weight loss, showing some capacity is still maintained after a significant number of cycles. The loss of capacity is attributed to the formation of ~55 wt% LiH and ~30% Li2O, as major contaminant phases, along with the hydride Li2NH phase; suggesting loss of nitrogen during cycling. The effect of 100 ppm H2O in H2 also showed a decrease of ~2.5 wt.%H (after 560 cycles), and 100ppm O2 in H2; a loss of ~4.1 wt.%. Methane impurity (100 ppm, 100cycles), showed a very small capacity loss of 0.9 wt.%H under similar conditions. However, when Li3N was pressure cycled with 100ppmN2-H2 there were beneficial effects were observed (255oC); the reversible capacity increased to 8.4wt.%H after 853 cycles. Furthermore, with 20 mol.%N2-H2 capacity increased to ~10 wt.%H after 516 cycles. We attribute this enhancement to the reaction of nitrogen with liquid lithium during cycling as the Gibbs free energy of formation of Li3N (?Go = -98.7 kJ/mol) is more negative than that of LiH (?Go = -50.3 kJ/mol). We propose that the mitigation of hydrogen capacity losses is due to the destabilization of the LiH phase that tends to accumulate during cycling. Also more Li2NH phase was found in the cycled product. Mixed Alanates (3LiNH2:Li3AlH6) showed that 7 wt% hydrogen desorbed under dynamic vacuum. Equilibrium experiments (maximum 12 bar H2) showed up to 4wt% hydrogen reversibly stored in the material after the first desorption. The activation energy was found to be 51 kJ/mol, as compared to 81 kJ/mol for pure lithium alanate. It is proposed that based on the data obtained and CALPHAD modeling that the improvement in cycling is due to the formation of pure lithium (liquid at 255oC), which is able to react with nitrogen specifically forming Li3N. The presence of nitrogen in the 80/20 molar mixtures in a hydride bed along with hydrogen causes Li to form Li3N rather than LiH, and subsequently regenerates the Li2NH phase and yields a ~10 wt.%H reversibly.

  15. Infants were exposed on spatially alternating (left-right) sequence of events. Infants' long-term memory was tested 24

    E-Print Network [OSTI]

    Adler, Scott A.

    . Rovee-Collier, C. (1999). The development of infant memory.Ê Current Directions in Psychological Science Research Council grants 503860 and 506430 to Scott A. Adler. Long-Term Memory and Visual Expectations

  16. Radiation therapy of pediatric brain tumors : comparison of long-term health effects and costs between proton therapy and IMRT

    E-Print Network [OSTI]

    Vu, An T. (An Thien)

    2011-01-01

    Radiation therapy is an important component of pediatric brain tumor treatment. However, radiation-induced damage can lead to adverse long-term health effects. Proton therapy has the ability to reduce the dose delivered ...

  17. Long-term trends observed in the middle atmosphere temperatures using ground based LIDARs and satellite borne measurements

    E-Print Network [OSTI]

    2014-01-01

    lower thermosphere region: 2. Solar response, J. Geo- phys.of the 27-day and 11-year solar cycles: Radiative and/orD. M. : Long-term and solar cycle changes in the atmospheric

  18. Long-term management and discounting of groundwater resources with a case study of KukioÌ? HawaiiÌ?

    E-Print Network [OSTI]

    Duarte, Thomas Kae̕ o, 1973-

    2002-01-01

    Long-term management strategies for groundwater resources are examined with theoretical examples and with a case study of Kuki'o, Hawai'i. In Part I a groundwater mining and a dryland salinization optimal management problem ...

  19. Vesicular Zinc Promotes Presynaptic and Inhibits Postsynaptic Long-Term Potentiation of Mossy Fiber-CA3 Synapse

    E-Print Network [OSTI]

    Pan, Enhui

    The presence of zinc in glutamatergic synaptic vesicles of excitatory neurons of mammalian cerebral cortex suggests that zinc might regulate plasticity of synapses formed by these neurons. Long-term potentiation (LTP) is ...

  20. Cancer survivorship research: the challenge of recruiting adult long term cancer survivors from a cooperative clinical trials group

    E-Print Network [OSTI]

    2009-01-01

    quality of life among long-term survivors of breast cancer.Breast Cancer Res Treat. 1996;39(3):261–73. doi:B, Bower JE. Breast Cancer in Younger Women: Reproductive