Sample records for affect surface water

  1. Will heat from the pipeline affect groundwater and surface water? Response by Professor James Goeke The temperature of a pipeline buried 4 feet would

    E-Print Network [OSTI]

    Nebraska-Lincoln, University of

    1 Water Will heat from the pipeline affect groundwater and surface water? Response by Professor James Goeke ­ The temperature of a pipeline buried 4 feet would probably affect surface water. In some places the pipeline might be quite near the water table and in others it could be 50-100 feet

  2. Factors affecting water coning

    E-Print Network [OSTI]

    Parker, Randy Keith

    1977-01-01T23:59:59.000Z

    (December 1977) Randy Keith Parker, B. S. , Texas ASM University Chairman of Advisory Conmittee: Dr. Richard A. Morse The production of oil that is underlain by water, through a partially penetrating well at a production rate greater than a certain... of well, reservoir, and fluid parameters, it was found that equivalent systems could be determined that had the same water and oil production characteristics. Most of the we' ll, reservoir, and fluid relationships are based on two equations which were...

  3. Water Rights: Surface Water (Indiana)

    Broader source: Energy.gov [DOE]

    The Indiana Department of Natural Resources regulates the use and diversion of surface waters. An entity that creates additional stream volumes by releases from impoundments built and financed by...

  4. Surface Water Management Areas (Virginia)

    Broader source: Energy.gov [DOE]

    This legislation establishes surface water management areas, geographically defined surface water areas in which the State Water Control Board has deemed the levels or supply of surface water to be...

  5. Surface Water Quality Standards (Kansas)

    Broader source: Energy.gov [DOE]

    This act states regulations for the quality of surface water in the state. It also states designated uses of classified surface waters, surface water quality criteria and an antidegradation policy...

  6. Pesticide Properties that Affect Water Quality

    E-Print Network [OSTI]

    Stevenson, Douglas; Baumann, Paul A.; Jackman, John A.

    1997-06-30T23:59:59.000Z

    In order to keep our water supplies safe from pesticide contamination, we must understand which pesticide properties affect water quality, and how. The subject is complex, as properties such as pesticide class, formulation, toxicity, dose, effective...

  7. Work Affecting Public Waters (Minnesota)

    Broader source: Energy.gov [DOE]

    Earlier sections of chapter 103G describe the process of delineating public waters; this section describes the responsibility of contractors and property owners when construction or other activity...

  8. Surface Water Quality Standards (Nebraska)

    Broader source: Energy.gov [DOE]

    These regulations, promulgated by the Department of Environmental Quality, contain surface water quality standards, stream classifications, discussion of lakes and impounded basins, and water...

  9. Sustaining dry surfaces under water

    E-Print Network [OSTI]

    Paul R. Jones; Xiuqing Hao; Eduardo R. Cruz-Chu; Konrad Rykaczewski; Krishanu Nandy; Thomas M. Schutzius; Kripa K. Varanasi; Constantine M. Megaridis; Jens H. Walther; Petros Koumoutsakos; Horacio D. Espinosa; Neelesh A. Patankar

    2014-09-29T23:59:59.000Z

    Rough surfaces immersed under water remain practically dry if the liquid-solid contact is on roughness peaks, while the roughness valleys are filled with gas. Mechanisms that prevent water from invading the valleys are well studied. However, to remain practically dry under water, additional mechanisms need consideration. This is because trapped gas (e.g. air) in the roughness valleys can dissolve into the water pool, leading to invasion. Additionally, water vapor can also occupy the roughness valleys of immersed surfaces. If water vapor condenses, that too leads to invasion. These effects have not been investigated, and are critically important to maintain surfaces dry under water. In this work, we identify the critical roughness scale below which it is possible to sustain the vapor phase of water and/or trapped gases in roughness valleys - thus keeping the immersed surface dry. Theoretical predictions are consistent with molecular dynamics simulations and experiments.

  10. Texas Surface Water Quality Standards

    E-Print Network [OSTI]

    1 Texas Surface Water Quality Standards 30 TAC Chapter 307 Lori Hamilton Water Quality Standards of the water quality standards for a water body will be conducted Types of UAAs Aquatic Life Use (ALU) UAAs 2 procedures in conjunction with Standards revision Before Conducting a UAA Coordinate with your TCEQ project

  11. Global climate change will affect air, water in California

    E-Print Network [OSTI]

    Weare, Bryan C.

    2002-01-01T23:59:59.000Z

    Department of Land, Air and Water Resources, UC Davis. Hechange will affect air, water in California Bryan C. Wearelikely to include reduced water availability and quality,

  12. Factors affecting water quality in Cherokee Reservoir

    SciTech Connect (OSTI)

    Iwanski, M.L.; Higgins, J.M.; Kim, B.R.; Young, R.C.

    1980-07-01T23:59:59.000Z

    The purpose was to: (1) define reservoir problems related to water quality conditions; (2) identify the probable causes of these problems; and (3) recommend procedures for achieving needed reservoir water quality improvements. This report presents the project findings to date and suggests steps for upgrading the quality of Cherokee Reservoir. Section II presents background information on the characteristics of the basin, the reservoir, and the beneficial uses of the reservoir. Section III identifies the impacts of existing reservoir water quality on uses of the reservoir for water supply, fishery resources, recreation, and waste assimilation. Section IV presents an assessment of cause-effect relationships. The factors affecting water quality addressed in Section IV are: (1) reservoir thermal stratification and hydrodynamics; (2) dissolved oxygen depletion; (3) eutrophication; (4) toxic substances; and (5) reservoir fisheries. Section V presents a preliminary evaluation of alternatives for improving the quality of Cherokee Reservoir. Section VI presents preliminary conclusions and recommendations for developing and implementing a reservoir water quality management plan. 7 references, 22 figures, 21 tables.

  13. Surface Water Quality Standards

    E-Print Network [OSTI]

    Wythe, Kathy

    2007-01-01T23:59:59.000Z

    recreational uses. ?The Commission will seek substantial additional public comment on any proposed changes to the standards before adopting them into the state admin- istrative code,? Davenport said. ?Because of the com- plexity and regulatory importance... Conservation Board?s state watershed coordinator, said the standards for contact recreation, with only a few exceptions, are uniformly applied regardless of water body type or the actual level of recreation use. ?Because a minimum of 10 water samples over a...

  14. Surface Water Quality Standards (New Jersey)

    Broader source: Energy.gov [DOE]

    These standards establish the designated uses and antidegradation categories of the State's surface waters, classify surface waters based on those uses (i.e., stream classifications), and specify...

  15. Management and Storage of Surface Waters (Florida)

    Broader source: Energy.gov [DOE]

    The Department of Environmental Protection regulates the use and storage of surface waters in the state. A permit from either the Department or the local Water Management District is required for...

  16. The Metropolitan Surface Water Management Act (Minnesota)

    Broader source: Energy.gov [DOE]

    The Metropolitan Surface Water Management Act aims to protect, preserve, and use natural, surface, and groundwater storage and retention systems; identify and plan for means to improve and protect...

  17. AGENDA ADEP Surface Water Protection Project NPDES Storm Water...

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

    ADEP Surface Water Protection Project NPDES Storm Water Individual Permit Bi-Annual Update Public Meeting January 22, 2014 5:30-7:30 p.m. Cities of Gold Conference Center...

  18. Impoundment of Surface Waters (Virginia)

    Broader source: Energy.gov [DOE]

    Many water withdrawal projects involve planning and engineering long before any permits are obtained. DEQ's Office of Water Supply is responsible for assisting the public with such planning and is...

  19. Taming water waves Case study: Surface Water Waves

    E-Print Network [OSTI]

    Taming water waves Case study: Surface Water Waves Few things in nature are as dramatic, and potentially dangerous, as ocean waves. The impact they have on our daily lives extends from shipping to the role they play in driving the global climate. From a theoretical viewpoint water waves pose rich

  20. Surface Water Development in Texas.

    E-Print Network [OSTI]

    McNeely, John G.; Lacewell, Ronald D.

    1977-01-01T23:59:59.000Z

    Government. Flood-control storage capacities at 26 major Texas reservoirs amounted to 17.4 million acre-feet in 1976. There is evi- dence of a changing national policy to keep economic development out of the flood plains. It appears that management... Water Development ................................. 30 Appendix Tables .......................................... 32 ......... Appendix A: Major Conservation Storage Reservoirs 40 endix B: Water Development Board Policy ............... 41 eferences...

  1. Surface Water Monitoring and Assessment (Ohio)

    Broader source: Energy.gov [DOE]

    This law establishes criteria for three levels of credible data for a surface water quality monitoring and assessment program and establishes the necessary training and experience for persons to...

  2. Reducing Herbicide Entry into Surface Waters

    E-Print Network [OSTI]

    Baumann, Paul A.; Bean, Brent W.

    1999-10-07T23:59:59.000Z

    this problem. educing Herbicides in Surface WatersR Best Management Practices H Paul A. Baumann and Brent W . Bean* * Associate Professor and Extension Weed Specialist and Associate Professor and Extension Agronomist, The Texas A&M University System...

  3. State Surface Water Discharge Permits (New Hampshire)

    Broader source: Energy.gov [DOE]

    Rules apply to the discharge of all pollutants from a point source to surface waters of the state. The rule does not apply to facilities that require both a state discharge permit and a federal...

  4. E-Print Network 3.0 - affect water relations Sample Search Results

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

    corrosive water affects the entire household plumbing system... on water testing and treatment and issues ... Source: Liskiewicz, Maciej - Institut fr Theoretische Informatik,...

  5. E-Print Network 3.0 - affects water relations Sample Search Results

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

    corrosive water affects the entire household plumbing system... on water testing and treatment and issues ... Source: Liskiewicz, Maciej - Institut fr Theoretische Informatik,...

  6. Water Management Plans for Surface Coal Mining Operations (North Dakota)

    Broader source: Energy.gov [DOE]

    A water management plan is required for all surface coal mining operations. This plan must be submitted to the State Engineer of the State Water Commission at the same time a surface mining permit...

  7. affects surface photometry: Topics by E-print Network

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

    ACM Classification MacIver, Malcolm A. 42 Lunar Eclipse of June, 15, 2011: Three-color umbra surface photometry CERN Preprints Summary: The paper contains the preliminary result...

  8. The Quality of Our Nation's Waters Factors Affecting Public-Supply-Well

    E-Print Network [OSTI]

    , and local information needs and decisions related to water-quality management and policy (httpThe Quality of Our Nation's Waters Factors Affecting Public-Supply-Well Vulnerability to Contamination: Understanding Observed Water Quality and Anticipating Future Water Quality National Water-Quality

  9. Assessing How Renewables Affect Water Used for Thermoelectric...

    Office of Science (SC) Website

    The Science Water use and energy production are intrinsically linked. Most electric power plants in the United States generate electricity by means of a steam generator....

  10. Adsorption structure of water molecules on the Be(0001) surface

    SciTech Connect (OSTI)

    Yang, Yu; Li, Yanfang [LCP, Institute of Applied Physics and Computational Mathematics, P.O. Box 8009, Beijing 100088 (China); Wang, Shuangxi [College of Science, China University of Petroleum, Beijing 102249 (China); Zhang, Ping, E-mail: zhang-ping@iapcm.ac.cn [LCP, Institute of Applied Physics and Computational Mathematics, P.O. Box 8009, Beijing 100088 (China); Center for Applied Physics and Technology, Peking University, Beijing 100871 (China)

    2014-06-07T23:59:59.000Z

    By using density functional theory calculations, we systematically investigate the adsorption of water molecules at different coverages on the Be(0001) surface. The coverage dependence of the prototype water structures and energetics for water adlayer growth are systematically studied. The structures, energetics, and electronic properties are calculated and compared with other available studies. Through our systematic investigations, we find that water molecules form clusters or chains on the Be(0001) surface at low coverages. When increasing the water coverage, water molecules tend to form a 2?×?2 hexagonal network on the Be(0001) surface.

  11. Ground and Surface Water Protection (New Mexico)

    Broader source: Energy.gov [DOE]

    This regulation implements the New Mexico Water Quality Act. Any person intending to make a new water contaminant discharge or to alter the character or location of an existing water contaminant...

  12. Regulation of Dams and Bridges Affecting Navigable Waters (Wisconsin)

    Broader source: Energy.gov [DOE]

    Chapter 31 of the Wisconsin Statutes lays out the regulations relevant to dams and bridges on or near navigable waters. This statute establishes that the Department of Natural Resources has...

  13. Special Provisions Affecting Gas, Water, or Pipeline Companies (South Carolina)

    Broader source: Energy.gov [DOE]

    This legislation confers the rights and privileges of telegraph and telephone companies (S.C. Code 58-9) on pipeline and water companies, and contains several additional provisions pertaining to...

  14. New Mexico Surface Water Quality Bureau Federal Dredge and Fill...

    Open Energy Info (EERE)

    New Mexico Surface Water Quality Bureau Federal Dredge and Fill Permits webpage Jump to: navigation, search OpenEI Reference LibraryAdd to library Web Site: New Mexico Surface...

  15. Fatigue Resistance of Asphalt Mixtures Affected by Water Vapor Movement

    E-Print Network [OSTI]

    Tong, Yunwei

    2013-11-08T23:59:59.000Z

    This dissertation has two key objectives: the first objective is to develop a method of predicting and quantifying the amount of water that can enter into a pavement system by vapor transport; the second objective is to identify to which extent...

  16. Particles in Surface Waters: Coagulation and Transport

    E-Print Network [OSTI]

    Culkin, Gerald W.; Lawler, Desmond F.

    Conventional water quality assessment and simulation of particles in natural waters focus on bulk concentrations of the suspended solid phase. These analyses rely directly or indirectly on a linear, 'average particle' approach to describe processes...

  17. Discussions on Disposal Forms of Auxiliary Heat Source in Surface Water Heat Pump System

    E-Print Network [OSTI]

    Qian, J.; Sun, D.; Li, X.; Li, G.

    2006-01-01T23:59:59.000Z

    This paper presents two common forms of auxiliary heat source in surface water heat pump system and puts forward the idea that the disposal forms affect operation cost. It deduces operation cost per hour of the two forms. With a project...

  18. Issues affecting advanced passive light-water reactor safety analysis

    SciTech Connect (OSTI)

    Beelman, R.J.; Fletcher, C.D.; Modro, S.M.

    1992-01-01T23:59:59.000Z

    Next generation commercial reactor designs emphasize enhanced safety through improved safety system reliability and performance by means of system simplification and reliance on immutable natural forces for system operation. Simulating the performance of these safety systems will be central to analytical safety evaluation of advanced passive reactor designs. Yet the characteristically small driving forces of these safety systems pose challenging computational problems to current thermal-hydraulic systems analysis codes. Additionally, the safety systems generally interact closely with one another, requiring accurate, integrated simulation of the nuclear steam supply system, engineered safeguards and containment. Furthermore, numerical safety analysis of these advanced passive reactor designs wig necessitate simulation of long-duration, slowly-developing transients compared with current reactor designs. The composite effects of small computational inaccuracies on induced system interactions and perturbations over long periods may well lead to predicted results which are significantly different than would otherwise be expected or might actually occur. Comparisons between the engineered safety features of competing US advanced light water reactor designs and analogous present day reactor designs are examined relative to the adequacy of existing thermal-hydraulic safety codes in predicting the mechanisms of passive safety. Areas where existing codes might require modification, extension or assessment relative to passive safety designs are identified. Conclusions concerning the applicability of these codes to advanced passive light water reactor safety analysis are presented.

  19. Issues affecting advanced passive light-water reactor safety analysis

    SciTech Connect (OSTI)

    Beelman, R.J.; Fletcher, C.D.; Modro, S.M.

    1992-08-01T23:59:59.000Z

    Next generation commercial reactor designs emphasize enhanced safety through improved safety system reliability and performance by means of system simplification and reliance on immutable natural forces for system operation. Simulating the performance of these safety systems will be central to analytical safety evaluation of advanced passive reactor designs. Yet the characteristically small driving forces of these safety systems pose challenging computational problems to current thermal-hydraulic systems analysis codes. Additionally, the safety systems generally interact closely with one another, requiring accurate, integrated simulation of the nuclear steam supply system, engineered safeguards and containment. Furthermore, numerical safety analysis of these advanced passive reactor designs wig necessitate simulation of long-duration, slowly-developing transients compared with current reactor designs. The composite effects of small computational inaccuracies on induced system interactions and perturbations over long periods may well lead to predicted results which are significantly different than would otherwise be expected or might actually occur. Comparisons between the engineered safety features of competing US advanced light water reactor designs and analogous present day reactor designs are examined relative to the adequacy of existing thermal-hydraulic safety codes in predicting the mechanisms of passive safety. Areas where existing codes might require modification, extension or assessment relative to passive safety designs are identified. Conclusions concerning the applicability of these codes to advanced passive light water reactor safety analysis are presented.

  20. Surface Water and Wetland Standards (North Carolina)

    Broader source: Energy.gov [DOE]

    These rules state the standards for classification of water supply. Each stream in North Carolina has a classification based upon its designated uses. These rules provide the Environmental...

  1. Institutional processes affecting the provision of water resources for public recreational use in Texas

    E-Print Network [OSTI]

    Richardson, William Earl

    2012-06-07T23:59:59.000Z

    INSTITUTIONAL PROCESSES AFFECTING THE PROVISION OF WATER RESOURCES FOR PUBLIC RECREATIO'NAL USE IN TEXAS A Thesis by WILLIAM EARI RICHARDSON Submitted to the Graduate College cf Texas A&M University in partial fulfillment of the requirement... for the degree of MASTER OF SCIENCE December 1975 Major Subject: Recreation and Resources Development INSTITUTIONAL PROCESSES AFFECTING THE PROVISION OF WATER RESOURCES FOR PUBLIC RECREATIONAL USE IN TEXAS A Thesis by WILLIAM EARL RICHARDSON Approved...

  2. Interaction between water cluster ions and mica surface

    SciTech Connect (OSTI)

    Ryuto, Hiromichi, E-mail: ryuto@kuee.kyoto-u.ac.jp; Ohmura, Yuki; Nakagawa, Minoru; Takeuchi, Mitsuaki; Takaoka, Gikan H. [Photonics and Electronics Science and Engineering Center, Kyoto University, Nishikyo, Kyoto 615-8510 (Japan)

    2014-03-15T23:59:59.000Z

    Water cluster ion beams were irradiated on mica surfaces to investigate the interaction between molecular cluster ions and a mica surface. The contact angle of the mica surface increased with increasing dose of the water cluster ion beam, but the increase in the contact angle was smaller than that induced by an ethanol cluster ion beam. The surface roughness also increased with increasing dose of the water cluster ion beam, whereas the intensity of K 2p x-ray photoelectron spectroscopy peaks decreased with increasing dose of the water cluster ion beam. The decrease in the number of potassium atoms together with the increase in the surface roughness may be the causes of the increase in the contact angle.

  3. Water accounting for conjunctive groundwater/surface water management: case of the SingkarakOmbilin

    E-Print Network [OSTI]

    Walter, M.Todd

    Water accounting for conjunctive groundwater/surface water management: case of the Singkarak University, 216 Riley-Robb Hall, Ithaca, NY 14853-5701, USA b International Water Management Institute, P 2003 Abstract Because water shortages limit development in many parts of the world, a systematic

  4. Assessing Phosphorous Loss to Protect Surface Water

    E-Print Network [OSTI]

    Garcia, Raul

    2005-01-01T23:59:59.000Z

    Phosphorus LossStory by Raul L. Garcia The Texas State Soil and Water ConservationBoard (TSSWCB) in collaboration with the Department of Soil and Crop Sciences at Texas A&M University, Texas Cooperative Extension (TCE), Texas Water Resources... Institute (TWRI), and the U.S. Department of Agriculture's Natural Resource Conservation Service (NRCS), have developed a field validation of the Texas Phosphorus Index. This project, located near Bosque and Leon Rivers, began June 1, 2002, and ended...

  5. EA-1093: Surface Water Drainage System, Golden, Colorado

    Broader source: Energy.gov [DOE]

    This EA evaluates the environmental impacts of the proposal to correct deficiencies in, and then to maintain, the surface water drainage system serving the U.S. Department of Energy's Rocky Flats...

  6. Impervious Areas: Examining the Undermining Effects on Surface Water Quality

    E-Print Network [OSTI]

    Young, De'Etra Jenra

    2012-02-14T23:59:59.000Z

    of the classification. The overall accuracy was 85%, and the kappa coefficient was 0.80. Additionally, field sampling and chemical analysis techniques were used to examine the relationship between impervious surfaces and water quality in a rainfall simulation parking...

  7. Nonpoint pollution of surface waters with phosphorus and nitrogen

    E-Print Network [OSTI]

    Carpenter, S. R.; Caraco, N. F.; Correll, D. L.; Howarth, R. W.; Sharpley, A. N.; Smith, Val H.

    1998-08-01T23:59:59.000Z

    information, we are confident that: (1) nonpoint pollution of surface waters with P and N could be reduced by reducing surplus nutrient flows in agricultural systems and processes, reducing agricultural and urban runoff by diverse methods, and reducing N...

  8. NONPOINT POLLUTION OF SURFACE WATERS WITH PHOSPHORUS AND NITROGEN

    E-Print Network [OSTI]

    Carpenter, Stephen R.; Caraco, Nina F. M.; Correll, David L.; Howarth, Robert W.; Sharpley, Andrew N.; Smith, Val H.

    1998-01-01T23:59:59.000Z

    information, we are confident that: (1) nonpoint pollution of surface waters with P and N could be reduced by reducing surplus nutrient flows in agricultural systems and processes, reducing agricultural and urban runoff by diverse methods, and reducing N...

  9. Surface Water and Groundwater Use and Protection (Mississippi)

    Broader source: Energy.gov [DOE]

    The purpose of the Surface and Groundwater Use and Protection is to ensure that Mississippi's public resource of water is safe and used properly. It requires that any person must obtain a permit...

  10. Hawaii Application for Surface Water Use Permit for Proposed...

    Open Energy Info (EERE)

    Use Permit for Proposed New Use in a Designated Surface Water Management Area (DLNR Form SWUPA-N) Jump to: navigation, search OpenEI Reference LibraryAdd to library Form: Hawaii...

  11. Variations of surface water extent and water storage in large river basins: A comparison of different global data sources

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    of the spatio-temporal variations of total terrestrial water storage (the sum of ground water, soil water1 Variations of surface water extent and water storage in large river basins: A comparison mass variations monitored by GRACE, simulated surface and total water storage from WGHM, water levels

  12. An Ontology Design Pattern for Surface Water Features

    SciTech Connect (OSTI)

    Sinha, Gaurav [Ohio University, Athens; Mark, David [University at Buffalo, NY; Kolas, Dave [Raytheon BBN Technologies; Varanka, Dalia [U.S. Geological Survey, Rolla, MO; Romero, Boleslo E [University of California, Santa Barbara; Feng, Chen-Chieh [National University of Singapore; Usery, Lynn [U.S. Geological Survey, Rolla, MO; Liebermann, Joshua [Tumbling Walls, LLC; Sorokine, Alexandre [ORNL

    2014-01-01T23:59:59.000Z

    Surface water is a primary concept of human experience but concepts are captured in cultures and languages in many different ways. Still, many commonalities can be found due to the physical basis of many of the properties and categories. An abstract ontology of surface water features based only on those physical properties of landscape features has the best potential for serving as a foundational domain ontology. It can then be used to systematically incor-porate concepts that are specific to a culture, language, or scientific domain. The Surface Water ontology design pattern was developed both for domain knowledge distillation and to serve as a conceptual building-block for more complex surface water ontologies. A fundamental distinction is made in this on-tology between landscape features that act as containers (e.g., stream channels, basins) and the bodies of water (e.g., rivers, lakes) that occupy those containers. Concave (container) landforms semantics are specified in a Dry module and the semantics of contained bodies of water in a Wet module. The pattern is imple-mented in OWL, but Description Logic axioms and a detailed explanation is provided. The OWL ontology will be an important contribution to Semantic Web vocabulary for annotating surface water feature datasets. A discussion about why there is a need to complement the pattern with other ontologies, es-pecially the previously developed Surface Network pattern is also provided. Fi-nally, the practical value of the pattern in semantic querying of surface water datasets is illustrated through a few queries and annotated geospatial datasets.

  13. Experimental Evaluation of the Thermal Performance of a Water Shield for a Surface Power Reactor

    SciTech Connect (OSTI)

    Pearson, J. Boise; Stewart, Eric T. [NASA Marshall Space Flight Center, Huntsville, AL 35812 (United States); Reid, Robert S. [Los Alamos National Laboratory, Los Alamos, NM 87544 (United States)

    2007-01-30T23:59:59.000Z

    Water based reactor shielding is being investigated for use on initial lunar surface power systems. A water shield may lower overall cost (as compared to development cost for other materials) and simplify operations in the setup and handling. The thermal hydraulic performance of the shield is of significant interest. The mechanism for transferring heat through the shield is natural convection. Natural convection in a 100 kWt lunar surface reactor shield design is evaluated with 2 kW power input to the water in the Water Shield Testbed (WST) at the NASA Marshall Space Flight Center. The experimental data from the WST is used to validate a CFD model. Performance of the water shield on the lunar surface is then predicted with a CFD model anchored to test data. The experiment had a maximum water temperature of 75 deg. C. The CFD model with 1/6-g predicts a maximum water temperature of 88 deg. C with the same heat load and external boundary conditions. This difference in maximum temperature does not greatly affect the structural design of the shield, and demonstrates that it may be possible to use water for a lunar reactor shield.

  14. E-Print Network 3.0 - atlantic surface water Sample Search Results

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

    surface water Search Powered by Explorit Topic List Advanced Search Sample search results for: atlantic surface water Page: << < 1 2 3 4 5 > >> 1 GEOPHYSICAL RESEARCH LETTERS, VOL....

  15. Lawrence Livermore National Laboratory Surface Water Protection: A Watershed Approach

    SciTech Connect (OSTI)

    Coty, J

    2009-03-16T23:59:59.000Z

    This surface water protection plan (plan) provides an overview of the management efforts implemented at Lawrence Livermore National Laboratory (LLNL) that support a watershed approach to protect surface water. This plan fulfills a requirement in the Department of Energy (DOE) Order 450.1A to demonstrate a watershed approach for surface water protection that protects the environment and public health. This plan describes the use of a watershed approach within which the Laboratory's current surface water management and protections efforts have been structured and coordinated. With more than 800 million acres of land in the U.S. under federal management and stewardship, a unified approach across agencies provides enhanced resource protection and cost-effectiveness. The DOE adopted, along with other federal agencies, the Unified Federal Policy for a Watershed Approach to Federal Land and Resource Management (UFP) with a goal to protect water quality and aquatic ecosystems on federal lands. This policy intends to prevent and/or reduce water pollution from federal activities while fostering a cost-effective watershed approach to federal land and resource management. The UFP also intends to enhance the implementation of existing laws (e.g., the Clean Water Act [CWA] and National Environmental Policy Act [NEPA]) and regulations. In addition, this provides an opportunity for the federal government to serve as a model for water quality stewardship using a watershed approach for federal land and resource activities that potentially impact surface water and its uses. As a federal land manager, the Laboratory is responsible for a small but important part of those 800 million acres of land. Diverse land uses are required to support the Laboratory's mission and provide an appropriate work environment for its staff. The Laboratory comprises two sites: its main site in Livermore, California, and the Experimental Test Site (Site 300), near Tracy, California. The main site is largely developed yet its surface water system encompasses two arroyos, an engineered detention basin (Lake Haussmann), storm channels, and wetlands. Conversely, the more rural Site 300 includes approximately 7,000 acres of largely undeveloped land with many natural tributaries, riparian habitats, and wetland areas. These wetlands include vernal pools, perennial seeps, and emergent wetlands. The watersheds within which the Laboratory's sites lie provide local and community ecological functions and services which require protection. These functions and services include water supply, flood attenuation, groundwater recharge, water quality improvement, wildlife and aquatic habitats, erosion control, and (downstream) recreational opportunities. The Laboratory employs a watershed approach to protect these surface water systems. The intent of this approach, presented in this document, is to provide an integrated effort to eliminate or minimize any adverse environmental impacts of the Laboratory's operations and enhance the attributes of these surface water systems, as possible and when reasonable, to protect their value to the community and watershed. The Laboratory's watershed approach to surface water protection will use the U.S. Environmental Protection Agency's Watershed Framework and guiding principles of geographic focus, scientifically based management and partnerships1 as a foundation. While the Laboratory's unique site characteristics result in objectives and priorities that may differ from other industrial sites, these underlying guiding principles provide a structure for surface water protection to ensure the Laboratory's role in environmental stewardship and as a community partner in watershed protection. The approach includes pollution prevention, continual environmental improvement, and supporting, as possible, community objectives (e.g., protection of the San Francisco Bay watershed).

  16. Properties of water surface discharge at different pulse repetition rates

    SciTech Connect (OSTI)

    Ruma,; Yoshihara, K. [Graduate School of Science and Technology, Kumamoto University, Kumamoto 860-8555 (Japan); Hosseini, S. H. R., E-mail: hosseini@kumamoto-u.ac.jp; Sakugawa, T.; Akiyama, H. [Graduate School of Science and Technology, Kumamoto University, Kumamoto 860-8555 (Japan); Institute of Pulsed Power Science, Kumamoto University, Kumamoto 860-8555 (Japan); Akiyama, M. [Department of Electrical and Electronic Engineering, Kagoshima University, Kagoshima 890-0065 (Japan); Lukeš, P. [Institute of Plasma Physics, AS CR, Prague, Prague 18200 (Czech Republic)

    2014-09-28T23:59:59.000Z

    The properties of water surface discharge plasma for variety of pulse repetition rates are investigated. A magnetic pulse compression (MPC) pulsed power modulator able to deliver pulse repetition rates up to 1000?Hz, with 0.5?J per pulse energy output at 25?kV, was used as the pulsed power source. Positive pulse with a point-to-plane electrode configuration was used for the experiments. The concentration and production yield of hydrogen peroxide (H{sub 2}O{sub 2}) were quantitatively measured and orange II organic dye was treated, to evaluate the chemical properties of the discharge reactor. Experimental results show that the physical and chemical properties of water surface discharge are not influenced by pulse repetition rate, very different from those observed for under water discharge. The production yield of H{sub 2}O{sub 2} and degradation rate per pulse of the dye did not significantly vary at different pulse repetition rates under a constant discharge mode on water surface. In addition, the solution temperature, pH, and conductivity for both water surface and underwater discharge reactors were measured to compare their plasma properties for different pulse repetition rates. The results confirm that surface discharge can be employed at high pulse repetition rates as a reliable and advantageous method for industrial and environmental decontamination applications.

  17. Upper Middle Mainstem Columbia River Subbasin Water Quality Parameters Affected by Hydropower Production

    E-Print Network [OSTI]

    Appendix E Upper Middle Mainstem Columbia River Subbasin Water Quality Parameters Affected have reappeared as management agencies have reinstituted spill as a means of aiding downstream fish passage throughout the system. The WDOE has set a TDG standard of 110 percent of saturation for all

  18. Electrical Properties of Mineral Surfaces for Increasing Water Sorption

    E-Print Network [OSTI]

    in the presence of O2.2,4,5 In addition to controlling Mn concentrations, the nanostructures sequester heavy-metal and the associated toxic metals can be remobilized. N the electrical properties of mineral surfaces and thereby affect reactions with charged species such as metal

  19. Loss of solar wind plasma neutrality and affect on surface potentials near the lunar terminator and shadowed polar regions

    E-Print Network [OSTI]

    California at Berkeley, University of

    Loss of solar wind plasma neutrality and affect on surface potentials near the lunar terminator (2008), Loss of solar wind plasma neutrality and affect on surface potentials near the lunar terminator observations confirm a consistent solar wind-to-wake potential difference of many hundreds of volts (negative

  20. Radiolysis Concerns for Water Shielding in Fission Surface Power Applications

    SciTech Connect (OSTI)

    Schoenfeld, Michael P. [NASA Marshall Space Flight Center, ER24, MSFC, AL 35812 (United States); Anghaie, Samim [Innovative Space Power and Propulsion Institute, 800 SW Archer Rd. Bldg.554, P.O. Box 116502, University of Florida, Gainesville, FL 32611-6502 (United States)

    2008-01-21T23:59:59.000Z

    This paper presents an overview of radiolysis concerns with regard to water shields for fission surface power. A review of the radiolysis process is presented and key parameters and trends are identified. From this understanding of the radiolytic decomposition of water, shield pressurization and corrosion are identified as the primary concerns. Existing experimental and modeling data addressing concerns are summarized. It was found that radiolysis of pure water in a closed volume results in minimal, if any net decomposition, and therefore reduces the potential for shield pressurization and corrosion.

  1. Water and Carbon Dioxide Adsorption at Olivine Surfaces

    SciTech Connect (OSTI)

    Kerisit, Sebastien N.; Bylaska, Eric J.; Felmy, Andrew R.

    2013-11-14T23:59:59.000Z

    Plane-wave density functional theory (DFT) calculations were performed to simulate water and carbon dioxide adsorption at the (010) surface of five olivine minerals, namely, forsterite (Mg2SiO4), calcio-olivine (Ca2SiO4), tephroite (Mn2SiO4), fayalite (Fe2SiO4), and Co-olivine (Co2SiO4). Adsorption energies per water molecule obtained from energy minimizations varied from -78 kJ mol-1 for fayalite to -128 kJ mol-1 for calcio-olivine at sub-monolayer coverage and became less exothermic as coverage increased. In contrast, carbon dioxide adsorption energies at sub-monolayer coverage ranged from -20 kJ mol-1 for fayalite to -59 kJ mol-1 for calcio-olivine. Therefore, the DFT calculations show a strong driving force for carbon dioxide displacement by water at the surface of all olivine minerals in a competitive adsorption scenario. Additionally, adsorption energies for both water and carbon dioxide were found to be more exothermic for the alkaline-earth (AE) olivines than for the transition-metal (TM) olivines and to not correlate with the solvation enthalpies of the corresponding divalent cations. However, a correlation was obtained with the charge of the surface divalent cation indicating that the more ionic character of the AE cations in the olivine structure relative to the TM cations leads to greater interactions with adsorbed water and carbon dioxide molecules at the surface and thus more exothermic adsorption energies for the AE olivines. For calcio-olivine, which exhibits the highest divalent cation charge of the five olivines, ab initio molecular dynamics simulations showed that this effect leads both water and carbon dioxide to react with the surface and form hydroxyl groups and a carbonate-like species, respectively.

  2. Surface water data at Los Alamos National Laboratory: 2008 water year

    SciTech Connect (OSTI)

    Ortiz, David; Cata, Betsy; Kuyumjian, Gregory

    2009-09-01T23:59:59.000Z

    The principal investigators collected and computed surface water discharge data from 69 stream-gage stations that cover most of Los Alamos National Laboratory and one at Bandelier National Monument. Also included are discharge data from three springs— two that flow into Cañon de Valle and one that flows into Water Canyon.

  3. Hydraulic "Fracking": Are Surface Water Impacts An Ecological Concern?

    E-Print Network [OSTI]

    Hydraulic "Fracking": Are Surface Water Impacts An Ecological Concern? G. Allen Burton JrSchool of Natural Resources and Environment, University of Michigan, Ann Arbor, Michigan, USA z industrial processes, the higher the risk of that ecosystem being impacted by the operation. The associated

  4. Uranium in US surface, ground, and domestic waters. Volume 2

    SciTech Connect (OSTI)

    Drury, J.S.; Reynolds, S.; Owen, P.T.; Ross, R.H.; Ensminger, J.T.

    1981-04-01T23:59:59.000Z

    The report Uranium in US Surface, Ground, and Domestic Waters comprises four volumes. Volumes 2, 3, and 4 contain data characterizing the location, sampling date, type, use, and uranium conentrations of 89,994 individual samples presented in tabular form. The tabular data in volumes 2, 3, and 4 are summarized in volume 1 in narrative form and with maps and histograms.

  5. Anion Adsorption on Oxide Surfaces: Inclusion of the Water

    E-Print Network [OSTI]

    Sverjensky, Dimitri A.

    of toxic species in the environment, but predicting the surface speciation as a function of environmental of desorption of water dipoles in treating anion adsorption by ligand exchange. Taking this effect into account of surfacecomplexationmodelsinapredictivemodetofacilitate analysis of the migration of nuclear and other toxic wastes in the environment (15, 16

  6. Cherokee Reservoir: supplement to factors affecting water quality in Cherokee Reservoir

    SciTech Connect (OSTI)

    Poppe, W.L.

    1981-09-14T23:59:59.000Z

    Several rates and/or measurements were assumed in preparation of the Factors Affecting Water Quality in Cherokee Reservoir report prepared by Iwanski, et al. (1980). The following discussions and data were generated to support future modeling efforts of Cherokee Reservoir water quality. These discussions are not wholly intended to define conclusions or new findings, but rather lend support to assumed parameters in the modeling effort. The data include: (1) long-term BOD analyses; (2) limiting nutrient studies algal assays; (3) phytoplankton biomass; (4) primary productivity; and (5) solids transport. 10 references, 3 figures, 5 tables. (ACR)

  7. Observation of dynamic water microadsorption on Au surface

    SciTech Connect (OSTI)

    Huang, Xiaokang, E-mail: xiaokang.huang@tqs.com; Gupta, Gaurav; Gao, Weixiang; Tran, Van; Nguyen, Bang; McCormick, Eric; Cui, Yongjie; Yang, Yinbao; Hall, Craig; Isom, Harold [TriQuint Semiconductor, Inc., 500 W Renner Road, Richardson, Texas 75080 (United States)

    2014-05-15T23:59:59.000Z

    Experimental and theoretical research on water wettability, adsorption, and condensation on solid surfaces has been ongoing for many decades because of the availability of new materials, new detection and measurement techniques, novel applications, and different scales of dimensions. Au is a metal of special interest because it is chemically inert, has a high surface energy, is highly conductive, and has a relatively high melting point. It has wide applications in semiconductor integrated circuitry, microelectromechanical systems, microfluidics, biochips, jewelry, coinage, and even dental restoration. Therefore, its surface condition, wettability, wear resistance, lubrication, and friction attract a lot of attention from both scientists and engineers. In this paper, the authors experimentally investigated Au{sub 2}O{sub 3} growth, wettability, roughness, and adsorption utilizing atomic force microscopy, scanning electron microscopy, reflectance spectrometry, and contact angle measurement. Samples were made using a GaAs substrate. Utilizing a super-hydrophilic Au surface and the proper surface conditions of the surrounding GaAs, dynamic microadsorption of water on the Au surface was observed in a clean room environment. The Au surface area can be as small as 12??m{sup 2}. The adsorbed water was collected by the GaAs groove structure and then redistributed around the structure. A model was developed to qualitatively describe the dynamic microadsorption process. The effective adsorption rate was estimated by modeling and experimental data. Devices for moisture collection and a liquid channel can be made by properly arranging the wettabilities or contact angles of different materials. These novel devices will be very useful in microfluid applications or biochips.

  8. Dynamics of microdroplets over the surface of hot water

    E-Print Network [OSTI]

    Takahiro Umeki; Masahiko Ohata; Hiizu Nakanishi; Masatoshi Ichikawa

    2015-01-03T23:59:59.000Z

    When drinking a cup of coffee under the morning sunshine, you may notice white membranes of steam floating on the surface of the hot water. They stay notably close to the surface and appear to almost stick to it. Although the membranes whiffle because of the air flow of rising steam, peculiarly fast splitting events occasionally occur. They resemble cracking to open slits approximately 1 mm wide in the membranes, and leave curious patterns. We studied this phenomenon using a microscope with a high-speed video camera and found intriguing details: i) the white membranes consist of fairly monodispersed small droplets of the order of 10 $\\mu\\,{\\rm m}$; ii) they levitate above the water surface by 10$\\sim$100 $\\mu{\\rm m}$; iii) the splitting events are a collective disappearance of the droplets, which propagates as a wave front of the surface wave with a speed of 1$\\sim$2 m/s; and iv) these events are triggered by a surface disturbance, which results from the disappearance of a single droplet.

  9. The Whitham Equation as a Model for Surface Water Waves

    E-Print Network [OSTI]

    Daulet Moldabayev; Henrik Kalisch; Denys Dutykh

    2014-10-30T23:59:59.000Z

    The Whitham equation was proposed as an alternate model equation for the simplified description of uni-directional wave motion at the surface of an inviscid fluid. As the Whitham equation incorporates the full linear dispersion relation of the water wave problem, it is thought to provide a more faithful description of shorter waves of small amplitude than traditional long wave models such as the KdV equation. In this work, we identify a scaling regime in which the Whitham equation can be derived from the Hamiltonian theory of surface water waves. The Whitham equation is integrated numerically, and it is shown that the equation gives a close approximation of inviscid free surface dynamics as described by the Euler equations. The performance of the Whitham equation as a model for free surface dynamics is also compared to two standard free surface models: the KdV and the BBM equation. It is found that in a wide parameter range of amplitudes and wavelengths, the Whitham equation performs on par with or better than both the KdV and BBM equations.

  10. May 2011 Groundwater and Surface Water Sampling at the Rio Blanco, Colorado, Site (Data Validation Package)

    SciTech Connect (OSTI)

    None

    2011-12-01T23:59:59.000Z

    Annual sampling was conducted at the Rio Blanco, Colorado, site for the Long-Term Hydrologic Monitoring Program May 16-17, 2011, to monitor groundwater and surface water for potential radionuclide contamination. Sampling and analyses were conducted as specified in Sampling and Analysis Plan for the U.S. Department of Energy Office of Legacy Management Sites (LMS/PRO/S04351, continually updated). A duplicate sample was collected from location Johnson Artesian WL. Samples were analyzed by the U.S. Environmental Protection Agency (EPA) Radiation&Indoor Environments National Laboratory in Las Vegas, Nevada. Samples were analyzed for gamma-emitting radionuclides by high-resolution gamma spectrometry, and for tritium using the conventional method. Tritium was not measured using the enrichment method because the EPA laboratory no longer offers that service. Results of this monitoring at the Rio Blanco site demonstrate that groundwater and surface water outside the boundaries have not been affected by project-related contaminants.

  11. May 2012 Groundwater and Surface Water Sampling at the Rio Blanco, Colorado, Site (Data Validation Package)

    SciTech Connect (OSTI)

    None

    2012-12-01T23:59:59.000Z

    Annual sampling was conducted at the Rio Blanco, Colorado, site for the Long-Term Hydrologic Monitoring Program May 9-10, 2012, to monitor groundwater and surface water for potential radionuclide contamination. Sampling and analyses were conducted as specified in Sampling and Analysis Plan for the U.S. Department of Energy Office of Legacy Management Sites (LMS/PRO/S04351, continually updated). A duplicate sample was collected from location Johnson Artesian WL. Samples were analyzed for gamma-emitting radionuclides by high-resolution gamma spectrometry and for tritium using the conventional and enrichment methods. Results of this monitoring at the Rio Blanco site demonstrate that groundwater and surface water outside the site boundaries have not been affected by project-related contaminants.

  12. Contamination levels of human pharmaceutical compounds in French surface and drinking water

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    -west France. 98 samples were analysed from 63 stations (surface water and drinking water produced from surfaceContamination levels of human pharmaceutical compounds in French surface and drinking water S therapeutic classes was analysed from resource and drinking water in two catchment basins located in north

  13. Changes in surface water regime and resources in

    E-Print Network [OSTI]

    distribution in Mongolia, l/s sq.km*100 Converted from 1: 1000000 map to 0.5ox0.5o grid points Results (Continuation) Mean evapotranspiration, mm/year Converted from 1: 9000000 map to 0.5ox0.5o grid #12;3 Evaporation from open water surface, mm/year Converted from 1: 9000000 map to 0.5ox0.5o grid cells Ratio

  14. Optimal water quality management in surface water systems and energy recovery in water distribution networks.

    E-Print Network [OSTI]

    Telci, Ilker Tonguc

    2012-01-01T23:59:59.000Z

    ??Two of the most important environmental challenges in the 21st century are to protect the quality of fresh water resources and to utilize renewable energy… (more)

  15. Diagnosis of Solar Water Heaters Using Solar Storage Tank Surface Temperature Data: Preprint

    SciTech Connect (OSTI)

    Burch, J.; Magnuson, L.; Barker, G.; Bullwinkel, M.

    2009-04-01T23:59:59.000Z

    Study of solar water heaters by using surface temperature data of solar storage tanks to diagnose proper operations.

  16. Fermilab | Tritium at Fermilab | Tritium in Surface Water

    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:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsruc DocumentationP-Series toESnet4:EpitaxialtransatlanticUnified Forces | DoTravelSurface Water

  17. Category:Surface Water Sampling | 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 Home5b9fcbce19 NoPublic Utilities Address: 160Benin: EnergyBostonFacilityCascadeJumpInformationcontaining StateoutSurface Water

  18. E-Print Network 3.0 - affecting lateral suboccipital Sample Search...

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

    like corn, soybeans, alfalfa? Would Summary: 1 Crops Would the heat of an oil pipeline buried 4 feet underground affect ground or surface water... be affected? Response by...

  19. E-Print Network 3.0 - affect Sample Search Results

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

    like corn, soybeans, alfalfa? Would Summary: 1 Crops Would the heat of an oil pipeline buried 4 feet underground affect ground or surface water... be affected? Response by...

  20. E-Print Network 3.0 - affects plant growth Sample Search Results

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

    of an oil pipeline buried 4 feet underground affect ground or surface water... be affected? Response by Professor Timothy Arkebauer - In most cropland situations in Nebraska...

  1. E-Print Network 3.0 - affecting plant growth Sample Search Results

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

    of an oil pipeline buried 4 feet underground affect ground or surface water... be affected? Response by Professor Timothy Arkebauer - In most cropland situations in Nebraska...

  2. United: How one computer model makes Texas surface water management possible

    E-Print Network [OSTI]

    Lee, Leslie

    2013-01-01T23:59:59.000Z

    Story by Leslie Lee Summer 2013 tx H2O 3 Photo by Kathleen Phillips, Texas A&M AgriLife UNITED How one computer model makes Texas surface water management possible Managing surface water supplies in Texas is complex, to say the least. Multiple... of conditions. W#15;P enables surface water managers throughout Texas to allocate water resources, plan for the future and ensure there is enough water for environmental as well as human needs. A statewide surface water permitting system is born Prior...

  3. FACTORS AFFECTING THE SUSTAINABILITY OF RURAL WATER SUPPLY SYSTEMS: THE CASE OF MECHA WOREDA, AMHARA REGION, ETHIOPIA

    E-Print Network [OSTI]

    Walter, M.Todd

    are used: shallow dug wells, spring and deep wells. A survey was carried out with 160 household in 16 waterFACTORS AFFECTING THE SUSTAINABILITY OF RURAL WATER SUPPLY SYSTEMS: THE CASE OF MECHA WOREDA, AMHARA REGION, ETHIOPIA A Project Paper Presented to the Faculty of the Graduate School of Cornell

  4. Linear relationship between water wetting behavior and microscopic interactions of super-hydrophilic surfaces

    SciTech Connect (OSTI)

    Liu, Jian; Guo, Pan [Division of Interfacial Water and Key Laboratory of Interfacial Physics and Technology, Shanghai Institute of Applied Physics, Chinese Academy of Science, Shanghai 201800 (China) [Division of Interfacial Water and Key Laboratory of Interfacial Physics and Technology, Shanghai Institute of Applied Physics, Chinese Academy of Science, Shanghai 201800 (China); University of Chinese Academy of Sciences, Beijing 100049 (China); Wang, Chunlei; Shi, Guosheng, E-mail: shiguosheng@sinap.ac.cn; Fang, Haiping [Division of Interfacial Water and Key Laboratory of Interfacial Physics and Technology, Shanghai Institute of Applied Physics, Chinese Academy of Science, Shanghai 201800 (China)] [Division of Interfacial Water and Key Laboratory of Interfacial Physics and Technology, Shanghai Institute of Applied Physics, Chinese Academy of Science, Shanghai 201800 (China)

    2013-12-21T23:59:59.000Z

    Using molecular dynamics simulations, we show a fine linear relationship between surface energies and microscopic Lennard-Jones parameters of super-hydrophilic surfaces. The linear slope of the super-hydrophilic surfaces is consistent with the linear slope of the super-hydrophobic, hydrophobic, and hydrophilic surfaces where stable water droplets can stand, indicating that there is a universal linear behavior of the surface energies with the water-surface van der Waals interaction that extends from the super-hydrophobic to super-hydrophilic surfaces. Moreover, we find that the linear relationship exists for various substrate types, and the linear slopes of these different types of substrates are dependent on the surface atom density, i.e., higher surface atom densities correspond to larger linear slopes. These results enrich our understanding of water behavior on solid surfaces, especially the water wetting behaviors on uncharged super-hydrophilic metal surfaces.

  5. IEEE TRANSACTION ON VISUALIZATION AND COMPUTER GRAPHICS 1 Water Surface Modeling from A Single

    E-Print Network [OSTI]

    Martin, Ralph R.

    water brings unique challenges [15]. Major difficulties include it- s lack of matchable featuresIEEE TRANSACTION ON VISUALIZATION AND COMPUTER GRAPHICS 1 Water Surface Modeling from A Single and Phillip Willis Abstract--We introduce a video based approach for producing water surface models. Recent

  6. Water at the Surfaces of Aligned Phospholipid Multibilayer Model Membranes Probed with Ultrafast Vibrational

    E-Print Network [OSTI]

    Fayer, Michael D.

    Water at the Surfaces of Aligned Phospholipid Multibilayer Model Membranes Probed with Ultrafast@stanford.edu Abstract: The dynamics of water at the surface of artificial membranes composed of aligned multibilayers pump-probe spectroscopy. The experiments are performed at various hydration levels, x ) 2 - 16 water

  7. Water Research 38 (2004) 33313339 Testing a surface tension-based model to predict the salting

    E-Print Network [OSTI]

    Herbert, Bruce

    Water Research 38 (2004) 3331­3339 Testing a surface tension-based model to predict the salting out associated with transferring solutes from water to a salt solution to the difference in surface tensions likely reflects the inability of the simple surface tension model to account for all interactions among

  8. Appendix D Surface Water and Ground Water Time-Concentration Plots,

    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:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartment ofDepartment ofofOxford SiteToledo SiteTonawanda North Site This pageSurface Water

  9. Surface water drainage system. Environmental assessment and finding of no significant impact

    SciTech Connect (OSTI)

    NONE

    1996-05-01T23:59:59.000Z

    This Environmental Assessment (EA) is written pursuant to the National Environmental Policy Act (NEPA). The document identifies and evaluates the action proposed to correct deficiencies in, and then to maintain, the surface water drainage system serving the Department of Energy`s Rocky Flats Environmental Technology Site (Site), located north of Golden, Colorado. Many of the activities proposed would not normally be subject to this level of NEPA documentation. However, in many cases, maintenance of the system has been deferred to the point that wetlands vegetation has become established in some ditches and culverts, creating wetlands. The proposed activities would damage or remove some of these wetlands in order to return the drainage system to the point that it would be able to fully serve its intended function - stormwater control. The Department of Energy (DOE) regulations require that activities affecting environmentally sensitive areas like wetlands be the subject of an EA. Most portions of the surface water drainage system are presently inadequate to convey the runoff from a 100-year storm event. As a result, such an event would cause flooding across much of the Site and possibly threaten the integrity of the dams at the terminal ponds. Severe flooding would not only cause damage to facilities and equipment, but could also facilitate the transport of contaminants from individual hazardous substance sites (IHSSs). Uncontrolled flow through the A- and B-series ponds could cause contaminated sediments to become suspended and carried downstream. Additionally, high velocity flood flows significantly increase erosion losses.

  10. Surface water interaction with the flood plain in the lower Virgin River, Clark County, Nevada.

    E-Print Network [OSTI]

    Pompeo, Jeffrie L.

    2008-01-01T23:59:59.000Z

    ??Development of existing surface water rights on the Virgin River would decrease Southern Nevada's dependency on the Colorado River. Three monitoring sites were established to… (more)

  11. Improved Design Tools for Surface Water and Standing Column Well Heat Pump Systems

    Broader source: Energy.gov [DOE]

    This project will improve the capability of engineers to design heat pump systems that utilize surface water or standing column wells (SCW) as their heat sources and sinks.

  12. Triazine herbcides: Ecological risk assessment in North American surface waters

    SciTech Connect (OSTI)

    Solomon, K.R. [Univ. of Guelph (Canada)

    1996-10-01T23:59:59.000Z

    The triazine herbicides are some of the most widely used pesticides in North America. Some are found in surface waters in North America and risks to aquatic ecosystems are a possible concern. This paper presents the results of a comprehensive aquatic ecological risk assessment conducted using probabilistic risk assessment techniques. The assessment of exposure data concentrated on Midwestern us watersheds, the area of greatest triazine use in North America and showed that concentrations of some triazines rarely exceeded 20 {mu}g/L in rivers, streams, and reservoirs. The effects assessment showed that phytoplankton were the most sensitive organisms to triazines followed, in decreasing order of sensitivity, by macrophytes, benthic invertebrates, zooplankton and fish. Distribution analysis of sensitivity to atrazine showed 10th percentile of 37 {mu}g/L for LC50s in all organisms and 5.4 {mu}g/L for LC50s in algae and plants. Simazine showed 10th percentiles of 188 {mu}g/L for LC50s in all organisms and 27 {mu}g/L for LC50s in aquatic plants. Comparisons of the exposure and effects distributions showed low probabilities of exceeding the 10th percentiles of the sensitivity distributions. These results will be discussed in relation to the mechanism of action of these substances and other stressors in the environment.

  13. Dynamics of Ice Nucleation on Water Repellent Surfaces Azar Alizadeh,*,

    E-Print Network [OSTI]

    Dhinojwala, Ali

    for nonicing applications. 1. INTRODUCTION Ice accretion on surfaces of aircraft, wind turbine blades, oil

  14. Time dependence of forces between mica surfaces in water and its relation to the release of surface ions

    E-Print Network [OSTI]

    Klein, Jacob

    to 0 with a characteristic time r 11 2 min. This behavior is attributed to condensation essentially hydrated protons, H3O , and to ions leached from glassware.15 In conductivity water, most from the H3O ions condense into the surfaces to neutralize the surface charges. The general assumption

  15. How surface roughness affects the angular dependence of the sputtering yield , A. Hassanein

    E-Print Network [OSTI]

    Harilal, S. S.

    Center for Materials under Extreme Environment, School of Nuclear Engineering, Purdue University, West fractal ITMC code a b s t r a c t Comprehensive model is developed to study the impact of surface

  16. Improving parameter estimation and water table depth simulation in a land surface model using GRACE water storage and estimated base flow data

    E-Print Network [OSTI]

    Lo, Min-Hui; Famiglietti, James S; Yeh, P. J.-F.; Syed, T. H

    2010-01-01T23:59:59.000Z

    2007), Estimating ground water storage changes in thestorage (i.e. , all of the snow, ice, surface water, soil moisture, and ground-

  17. Application Prospect Analysis of the Surface Water Source Heat-Pump in China

    E-Print Network [OSTI]

    Zhang, C.; Zhuang, Z.; Huang, L.; Li, X.; Li, G.; Sun, D.

    2006-01-01T23:59:59.000Z

    Surface water resources in China are rather abundant and it can be use as the heat or cool source for heat pump. The winter surface water temperatures of 17 typical cities are investigated in December, and they are all distributed in the interval...

  18. Influence of physisorbed water on the conductivity of hydrogen terminated silicon-on-insulator surfaces

    E-Print Network [OSTI]

    the water layer is displaced by inert gas purging, heating, or pumping. The observed conductivity changes active defects as the surface oxidizes. Surprisingly, physisorbed water via adsorption from ambient.1063/1.2822417 On semiconductor surfaces adsorption or reaction events which result in charge redistribution give rise to changes

  19. Role of Climate Variability in Modulating the Surface Water and Groundwater Interaction

    E-Print Network [OSTI]

    Arumugam, Sankar

    from the ECHAM4.5 general circulation model indicate that it is possible to quantify groundwater variability; Groundwater-surface water interaction; Hydroclimatology; Forecasting. Introduction ClimateRole of Climate Variability in Modulating the Surface Water and Groundwater Interaction over

  20. A Study of Institutional Factors Affecting Water Resource Development in the Lower Rio Grande Valley, Texas

    E-Print Network [OSTI]

    Trock, W. L.; Casbeer, T. J.

    efficiency in water use, rights should be made negotiable. Some trading or leasing of rights is practiced now on an informal basis. A change or clarification of water law to permit purchase and sale of rights would facilitate exchange so that water would...

  1. Detection of Heavy Metal Ions in Water by High-Resolution Surface Plasmon Resonance

    E-Print Network [OSTI]

    Zhang, Yanchao

    Detection of Heavy Metal Ions in Water by High-Resolution Surface Plasmon Resonance Spectroscopy voltammetry (ASV) capability has been demonstrated for detecting heavy metal ions in water. Metal ions in water from part-per-million to sub-part-per-billion levels with good linearity. Heavy metal poisoning

  2. Water adsorption on stepped ZnO surfaces from MD simulation David Raymand a

    E-Print Network [OSTI]

    Goddard III, William A.

    Water adsorption on stepped ZnO surfaces from MD simulation David Raymand a , Adri C.T. van Duin b Keywords: Zinc oxide Water Solid­gas interfaces Construction and use of effective interatomic interactions force-field for use in molecular dynamics simulations of the ZnO­ water system. The force

  3. Point Source Discharges to Surface Waters (North Carolina)

    Broader source: Energy.gov [DOE]

    This rule requires permits for control of sources of water pollution by providing the requirements and procedures for application and issuance of state National Pollutant Discharge Elimination...

  4. Surface Wettability Impact on Water Management in PEM Fuel Cell.

    E-Print Network [OSTI]

    Al Shakhshir, Saher

    2012-01-01T23:59:59.000Z

    ??Excessive water formation inside the polymer electrolyte membrane (PEM) fuel cell’s structures leads to the flooding of the cathode gas diffusion layer (GDL) and cathode… (more)

  5. Energy Consumption and Demand as Affected by Heat Pumps that Cool, Heat and Heat Domestic Water

    E-Print Network [OSTI]

    Cawley, R.

    heaters. The methods presented demonstrate how integrated systems can be of value in reducing daily summertime peaks. INTRODUCTION A need for descriptors to evaluate systems that condition space and heat domestic water has been recognized for several... added to and used by the water from the desuperheated refrigerant - heat normally provided by the electric water heater's resistance elements. DESCRIPTION OF EQUIPMENT The system considered for this study is best described by U.S. Patent No. 4...

  6. Prediction of postmine ground-water quality at a Texas surface lignite mine

    E-Print Network [OSTI]

    Wise, Clifton Farrell

    1995-01-01T23:59:59.000Z

    . The predominant factors which affect spoil water quality have not been completely identified to date. Therefore, the Gibbons Creek Lignite Mine in Grimes County, Texas was chosen as a test site to evaluate the potential factors that can affect the geochemical...

  7. Regulatory Issues Affecting Management of Produced Water from Coal Bed Methane Wells

    SciTech Connect (OSTI)

    Veil, John A.

    2003-03-03T23:59:59.000Z

    This paper describes the existing national discharge regulations, the ways in which CBM produced water is currently being managed, the current CBM discharge permitting practices, and how these options might change as the volume of produced water increases because of the many new wells being developed.

  8. A study of some factors affecting the efficient use of irrigation water in Texas

    E-Print Network [OSTI]

    Harrington, Edwin Lincoln

    1952-01-01T23:59:59.000Z

    to Be Equalled or Exceeded for 75 Per Cent of Time............................... 51 18. Amount of Rainfall in Growing Season Likely to Be Equalled or Exceeded for 90 Per Cent of Time............................... 52 19. Inches Water Required per Square Foot... for Depth One Foot......................................................................................................... 66 INTRODUCTION At present much water is being wasted on the three million acres of irrigated land in Texas. The purpose...

  9. Method of and device for detecting oil pollutions on water surfaces

    DOE Patents [OSTI]

    Belov, Michael Leonidovich (Moscow, RU); Gorodnichev, Victor Aleksandrovich (Moscow, RU); Kozintsev, Valentin Ivanovich (Moscow, RU); Smimova, Olga Alekseevna (Moscow, RU); Fedotov, Yurii Victorovich (Moscow, RU); Khroustaleva, Anastasiva Michailovnan (Moscow, RU)

    2008-08-26T23:59:59.000Z

    Detection of oil pollution on water surfaces includes providing echo signals obtained from optical radiation of a clean water area at two wavelengths, optically radiating an investigated water area at two wavelengths and obtaining echo signals from the optical radiation of the investigated water area at the two wavelengths, comparing the echo signals obtained from the radiation of the investigated area at two wavelengths with the echo signals obtained from the radiation of the clean water area, and based on the comparison, determining presence or absence of oil pollution in the investigated water area.

  10. Influence of particle size and water coverage on the thermodynamic properties of water confined on the surface of SnO2 cassiterite nanoparticles

    SciTech Connect (OSTI)

    Spencer, Elinor [Virginia Polytechnic Institute and State University (Virginia Tech); Ross, Dr. Nancy [Virginia Polytechnic Institute and State University (Virginia Tech); Parker, Stewart F. [ISIS Facility, Rutherford Appleton Laboratory; Kolesnikov, Alexander I [ORNL; Woodfield, Brian [Brigham Young University; Woodfield, K [Brigham Young University; Rytting, M [Brigham Young University; Boerio-Goates, Juliana [Brigham Young University; Navrotsky, Alexandra [University of California, Davis

    2011-01-01T23:59:59.000Z

    Inelastic neutron scattering (INS) data for SnO2 nanoparticles of three different sizes and varying hydration levels are presented. Data were recorded on five nanoparticle samples that had the following compositions: 2 nm SnO2*0.82H2O, 6 nm SnO2*0.055H2O, 6 nm SnO2*0.095H2O, 20 nm SnO2*0.072H2O, and 20 nm SnO2*0.092H2O. The isochoric heat capacity and vibrational entropy values at 298 K for the water confined on the surface of these nanoparticles were calculated from the vibrational density of states that were extracted from the INS data. This study has shown that the hydration level of the SnO2 nanoparticles influences the thermodynamic properties of the water layers and, most importantly, that there appears to be a critical size limit for SnO2 between 2 and 6 nm below which the particle size also affects these properties and above which it does not. These results have been compared with those for isostructural rutile-TiO2 nanoparticles [TiO2*0.22H2O and TiO2*0.37H2O], which indicated that water on the surface of TiO2 nanoparticles is more tightly bound and experiences a greater degree of restricted motion with respect to water on the surface of SnO2 nanoparticles. This is believed to be a consequence of the difference in chemical composition, and hence surface properties, of these metal oxide nanoparticles.

  11. Ground-water heat pumps: an examination of hydrogeologic, environmental, legal, and economic factors affecting their use

    SciTech Connect (OSTI)

    Armitage, D.M.; Bacon, D.J.; Massey-Norton, J.T.; Miller, J.D.

    1980-11-12T23:59:59.000Z

    Groundwater is attractive as a potential low-temperature energy source in residential space-conditioning applications. When used in conjuncton with a heat pump, ground water can serve as both a heat source (for heating) and a heat sink (for cooling). Major hydrogeologic aspects that affect system use include groundwater temperature and availability at shallow depths as these factors influence operational efficiency. Ground-water quality is considered as it affects the performance and life-expectancy of the water-side heat exchanger. Environmental impacts related to groundwater heat pump system use are most influenced by water use and disposal methods. In general, recharge to the subsurface (usually via injection wells) is recommended. Legal restrictions on system use are often stricter at the municipal and county levels than at state and Federal levels. Although Federal regulations currently exist, the agencies are not equipped to regulate individual, domestic installations. Computer smulations indicate that under a variety of climatologic conditions, groundwater heat pumps use less energy than conventional heating and cooling equipment. Life-cycle cost comparisons with conventional equipment depend on alternative system choices and well cost options included in the groundwater heat pump system.

  12. RESEARCH ARTICLE Statistics of the surface temperature field of an air/water interface

    E-Print Network [OSTI]

    Saylor, John R.

    is the coefficient of thermal expansion, m is the kinematic viscosity, a is the thermal diffusivity, DTRESEARCH ARTICLE Statistics of the surface temperature field of an air/water interface under air

  13. South Carolina Surface Water Withdrawal, Permitting Use, and Reporting Act (South Carolina)

    Broader source: Energy.gov [DOE]

    Surface water withdrawals exceeding three million gallons during any one month require a permit; a permit will only be granted if the Department of Health and Environmental Control determines that...

  14. Parameter estimation of coupled water and energy balance models based on stationary constraints of surface states

    E-Print Network [OSTI]

    Sun, Jian

    [1] We use a conditional averaging approach to estimate the parameters of a land surface water and energy balance model and then use the estimated parameters to partition net radiation into latent, sensible, and ground ...

  15. Nitrogen and chlorpyrifos in surface water runoff from a golf course

    E-Print Network [OSTI]

    Birdwell, Brian

    2012-06-07T23:59:59.000Z

    NITROGEN AND CHLORPYRIFOS IN SURFACE WATER RUNOFF FROM A GOLF COURSE A Thesis by BRIAN BIRDWELL Submitted to the OIIice of Graduate Studies of Texas A&M University in partial fulfillment of the requirements for the degree of MASTER... OF SCIENCE December 1995 Major Subject: Civil Engineering NITROGEN AND CHLORPYRIFOS IN SURFACE WATER RUNOFF FROM A GOLF COURSE A Thesis by BRIAN BIRDWELL Submitted to Texas AkM University in partial fulfillment of the requirements for the degree...

  16. Dealing with parameter uncertainty in the calculation of water surface profiles

    E-Print Network [OSTI]

    Vargas-Cruz, Ruben F.

    1998-01-01T23:59:59.000Z

    ABSTRACT Dealing with Parameter Uncertainty in the Calculation of Water Surface Profiles. (August 1998) Ruben R Vargas-Cruz, B. S. , Polytechnic University of Puerto Rico Chair of Advisory Committee: Dr. Ralph A. Wurbs Hydrologic and hydraulic... component of the hydrologic cycle in the analysis is important. In that case the water budget must be calculated using the following expression. P ? R ? I ? G ? E ? T=tkS where, P = Precipitation, R = Surface runoff, I = Infiltration, G = Groundwater...

  17. Ground-water hydrogeology and geochemistry of a reclaimed lignite surface mine

    E-Print Network [OSTI]

    Pollock, Clifford Ralph

    1982-01-01T23:59:59.000Z

    GROUND-WATER HYDROGEOLOGY AND GEOCHEMISTRY OF A RECLAIMED LIGNITE SURFACE MINE A Thesis by CLIFFORD RALPH POLLOCK Submitted to the Graduate College of Texas A&M University in partial fulfillment of the requirement for the degree of MASTER... OF SCIENCE August 1982 Major Subject: Geology GROUND-WATER HYDROGEOLOGY AND GEOCHEMISTRY OF A RECLAIMED LIGNITE SURFACE MINE A Thesis by CLIFFORD RALPH POLLOCK Approved as to sty1e and content by: (Chairman of Committee) ember) (Member (Member) F...

  18. Pg: 1 February 11, 2009 Surface Water and

    E-Print Network [OSTI]

    Christian, Eric

    -mesoscale and kinetic energy containing scales -- What is the small- scale (10-100 km) variability of ocean surface/C requirements: ·Payload power, mass: ~1.1KW, ~300Kg ·Stringent Pointing knowledge requirements ·High Data Rate · Use conventional Jason- class altimeter for nadir coverage and radiometer for wet-tropospheric delay

  19. Regulations Establishing Water Quality Standards for Surface Water of the State of Arkansas (Arkansas)

    Broader source: Energy.gov [DOE]

    The Regulations Establishing Water Quality Standards are established pursuant to the provisions of Subchapter 2 of the Arkansas Water and Air Pollution Control Act (Act 472 of the Acts of Arkansas...

  20. Leakage and Sepage of CO2 from Geologic Carbon SequestrationSites: CO2 Migration into Surface Water

    SciTech Connect (OSTI)

    Oldenburg, Curt M.; Lewicki, Jennifer L.

    2005-06-17T23:59:59.000Z

    Geologic carbon sequestration is the capture of anthropogenic carbon dioxide (CO{sub 2}) and its storage in deep geologic formations. One of the concerns of geologic carbon sequestration is that injected CO{sub 2} may leak out of the intended storage formation, migrate to the near-surface environment, and seep out of the ground or into surface water. In this research, we investigate the process of CO{sub 2} leakage and seepage into saturated sediments and overlying surface water bodies such as rivers, lakes, wetlands, and continental shelf marine environments. Natural CO{sub 2} and CH{sub 4} fluxes are well studied and provide insight into the expected transport mechanisms and fate of seepage fluxes of similar magnitude. Also, natural CO{sub 2} and CH{sub 4} fluxes are pervasive in surface water environments at levels that may mask low-level carbon sequestration leakage and seepage. Extreme examples are the well known volcanic lakes in Cameroon where lake water supersaturated with respect to CO{sub 2} overturned and degassed with lethal effects. Standard bubble formation and hydrostatics are applicable to CO{sub 2} bubbles in surface water. Bubble-rise velocity in surface water is a function of bubble size and reaches a maximum of approximately 30 cm s{sup -1} at a bubble radius of 0.7 mm. Bubble rise in saturated porous media below surface water is affected by surface tension and buoyancy forces, along with the solid matrix pore structure. For medium and fine grain sizes, surface tension forces dominate and gas transport tends to occur as channel flow rather than bubble flow. For coarse porous media such as gravels and coarse sand, buoyancy dominates and the maximum bubble rise velocity is predicted to be approximately 18 cm s{sup -1}. Liquid CO{sub 2} bubbles rise slower in water than gaseous CO{sub 2} bubbles due to the smaller density contrast. A comparison of ebullition (i.e., bubble formation) and resulting bubble flow versus dispersive gas transport for CO{sub 2} and CH{sub 4} at three different seepage rates reveals that ebullition and bubble flow will be the dominant form of gas transport in surface water for all but the smallest seepage fluxes or shallowest water bodies. The solubility of the gas species in water plays a fundamental role in whether ebullition occurs. We used a solubility model to examine CO{sub 2} solubility in waters with varying salinity as a function of depth below a 200 m-deep surface water body. In this system, liquid CO{sub 2} is stable between the deep regions where supercritical CO{sub 2} is stable and the shallow regions where gaseous CO{sub 2} is stable. The transition from liquid to gaseous CO{sub 2} is associated with a large change in density, with corresponding large change in bubble buoyancy. The solubility of CO{sub 2} is lower in high-salinity waters such as might be encountered in the deep subsurface. Therefore, as CO{sub 2} migrates upward through the deep subsurface, it will likely encounter less saline water with increasing capacity to dissolve CO{sub 2} potentially preventing ebullition, depending on the CO{sub 2} leakage flux. However, as CO{sub 2} continues to move upward through shallower depths, CO{sub 2} solubility in water decreases strongly leading to greater likelihood of ebullition and bubble flow in surface water. In the case of deep density-stratified lakes in which ebullition is suppressed, enhanced mixing and man-made degassing schemes can alleviate the buildup of CO{sub 2} and related risk of dangerous rapid discharges. Future research efforts are needed to increase understanding of CO{sub 2} leakage and seepage in surface water and saturated porous media. For example, we recommend experiments and field tests of CO{sub 2} migration in saturated systems to formulate bubble-driven water-displacement models and relative permeability functions that can be used in simulation models.

  1. Arizona has relatively limited water resources due to its arid climate and limited surface water.

    E-Print Network [OSTI]

    Fay, Noah

    lower, with total industrial uses of water making up around 17% of non agricultural water consumption have begun to spur the development of alternatives to our current petroleum based transportation system of Commerce, Environmental Quality and Water Resources. more problems than they will solve. A useful tool

  2. Ecological Screening Values for Surface Water, Sediment, and Soil: 2005 Update

    SciTech Connect (OSTI)

    Friday, G. P.

    2005-07-18T23:59:59.000Z

    One of the principal components of the environmental remediation program at the Savannah River Site (SRS) is the assessment of ecological risk. Used to support CERCLA, RCRA, and DOE orders, the ecological risk assessment (ERA) can identify environmental hazards and evaluate remedial action alternatives. Ecological risk assessment is also an essential means for achieving DOE's risk based end state vision for the disposition of nuclear material and waste hazards, the decommissioning of facilities, and the remediation of inactive waste units at SRS. The complexity of an ERA ranges from a screening level ERA (SLERA) to a full baseline ERA. A screening level ecological risk assessments, although abbreviated from a baseline risk assessment, is nonetheless considered a complete risk assessment (EPA, 2001a). One of the initial tasks of any ERA is to identify constituents that potentially or adversely affect the environment. Typically, this is accomplished by comparing a constituent's maximum concentration in surface water, sediment, or soil with an ecological screening value (ESV). The screening process can eliminate many constituents from further consideration in the risk assessment, but it also identifies those that require additional evaluation. This document is an update of a previous compilation (Friday, 1998) and provides a comprehensive listing of ecological screening values for surface water, sediment, and soil. It describes how the screening values were derived and recommends benchmarks that can be used for ecological risk assessment. The sources of these updated benchmarks include the U.S. Environmental Protection Agency (EPA), U.S. Fish and Wildlife Service (USFWS), U.S. Geological Survey (USGS), National Oceanic and Atmospheric Administration (NOAA), Oak Ridge National Laboratory (ORNL), the State of Florida, the Canadian Council of Ministers of the Environment (CCME), the Dutch Ministry of the Environment (RIVM), and the scientific literature. It should be noted that ESV's are continuously revised by the various issuing agencies. The references in this report provide the citations of each source and, where applicable, the internet address where they can be accessed. Although radiological screening values are not included herein due to space limitations, these have been recently derived by a technical working committee sponsored by the U.S. Department of Energy (DOE 2002, 2004). The recommended ecological screening values represent the most conservative concentrations of the cited sources, and are to be used for screening purposes only. They do not represent remedial action cleanup levels. Their use at locations other than SRS should take into account environmental variables such as water quality, soil chemistry, flora and fauna, and other ecological attributes specific to the ecosystem potentially at risk.

  3. I. Abstract Vegetation plays an important role in the surface energy and water balance of wetlands.

    E-Print Network [OSTI]

    Nebraska-Lincoln, University of

    55 I. Abstract Vegetation plays an important role in the surface energy and water balance or reverse the downward trend in streamflow. In this study, we investigated the energy and water balance had been sprayed with herbicide (and remained only as dead, standing biomass). Energy balance

  4. Risk-based modelling of surface water quality: a case study of the Charles River, Massachusetts

    E-Print Network [OSTI]

    Wagener, Thorsten

    : Water quality; Risk; Monte Carlo; Sensitivity analysis; Eutrophication 1. Introduction 1.1. Motivation recognised in the development of some decision-support tools, for example, QUAL2E- UNCAS (Brown and BarnwellRisk-based modelling of surface water quality: a case study of the Charles River, Massachusetts

  5. Retrieving snow mass from GRACE terrestrial water storage change with a land surface model

    E-Print Network [OSTI]

    Yang, Zong-Liang

    by the Advanced Very High Resolution Radio- meter (AVHRR) is decreasing since middle 1980s in response to global are variations in surface albedo and surface energy budgets, sensible heat and water vapor fluxes-chan- nel Microwave Radiometer (SMMR) and the Advanced Microwave Scanning Radiometer (AMSR) provide a capa

  6. The effect of surface and interfacial tensions upon the recovery of oil by water flooding

    E-Print Network [OSTI]

    Guerrero, Erasmo Trevino

    1953-01-01T23:59:59.000Z

    THE EFFECT OF SURFACE AND INTERFACIAL TENSIONS UPON THE RECOVERY OF OIL BY WATER FLOODING A Dissertation By ERASMO T . GUERRERO Approved as to style and content by: J t Q J w & U 7 T Chsfirman of Cfommittee f Head of Department TABLE....................................................................................................... .......... 25 Surface and Interfacial Tensions..........................................................26 Adsorption............................... .................. . ........................................ .......... 31 Flow Tests...

  7. Global relationships of total alkalinity with salinity and temperature in surface waters of the world's oceans

    E-Print Network [OSTI]

    Global relationships of total alkalinity with salinity and temperature in surface waters, R. A. Feely, and R. M. Key (2006), Global relationships of total alkalinity with salinity 35)2 + d (SST Ã? 20) + e (SST Ã? 20)2 fits surface total alkalinity (AT) data for each of five

  8. Keywordscondensation tube, surface modification, waste heat and condensation water recovery system

    E-Print Network [OSTI]

    Leu, Tzong-Shyng "Jeremy"

    merge to form water thin film on tube condenser surface. The condensing mechanism will change from high efficiency dropwise condensation to low efficiency filmwise condensation. In this proposal, surface system is one of the most important facilities in power plants. High efficiency waste heat

  9. Space-based detection of wetlands' surface water level changes from L-band SAR interferometry

    E-Print Network [OSTI]

    Amelung, Falk

    Space-based detection of wetlands' surface water level changes from L-band SAR interferometry­1996 reveals detectable surface changes in the Everglades wetlands. Although our study is limited to south Florida it has implication for other large-scale wetlands, because south Florida wetlands have diverse

  10. Water and Carbon Dioxide Adsorption at Olivine Surfaces. | EMSL

    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:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear SecurityTensile Strain Switched FerromagnetismWaste and Materials Disposition3 Water Vapor Experiment Concludes

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

    SciTech Connect (OSTI)

    Lupi, Laura; Kastelowitz, Noah; Molinero, Valeria, E-mail: Valeria.Molinero@utah.edu [Department of Chemistry, The University of Utah, 315 South 1400 East, Salt Lake City, Utah 84112-0850 (United States)

    2014-11-14T23:59:59.000Z

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

  12. Atmospheric branch of the hydrologic cycle affecting Texas for water year 1959

    E-Print Network [OSTI]

    McKay, Charles Michael

    1961-01-01T23:59:59.000Z

    -. 03 . 13 -. 05 . 23 . 01 . 07 . 02 , 08 21 22 B 0 3 m ~a ql 2 e / / / / Zone I Zone II N D J F M A M J Time (mo) J A S 2 4J a, Q A -. 4 Figure 4. Average precipitable water and departures from normal over Texas... ~ S sin (N - D) Illa] ]. 11b] 12 Amarillo (5 N th or x N Oklahoma City (4) land (6) Mid Figure 2. Construction of base leg, z (dashed), and outward-directed normal, d, for Amarillo. where S is the wind speed in m/sec, N is the angle...

  13. 33 CFR 322: Permits for Structures or Work in or Affecting Navigable Waters

    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 Home5b9fcbce19 NoPublic Utilities Address: 160 East 300 SouthWater Rights, Substantive Jump to:Species | OpenSubject to-332 Jumpof

  14. E-Print Network 3.0 - affects root growth Sample Search Results

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

    surface water temperature or the roots of typical Nebraska crops like corn, soybeans, alfalfa? Would Summary: an effect - undoubtedly so if the pipe affected the temperature of...

  15. Surface water supply for the Clearlake, California Hot Dry Rock Geothermal Project

    SciTech Connect (OSTI)

    Jager, A.R.

    1996-03-01T23:59:59.000Z

    It is proposed to construct a demonstration Hot Dry Rock (HDR) geothermal plant in the vicinity of the City of Clearlake. An interim evaluation has been made of the availability of surface water to supply the plant. The evaluation has required consideration of the likely water consumption of such a plant. It has also required consideration of population, land, and water uses in the drainage basins adjacent to Clear Lake, where the HDR demonstration project is likely to be located. Five sources were identified that appear to be able to supply water of suitable quality in adequate quantity for initial filling of the reservoir, and on a continuing basis, as makeup for water losses during operation. Those sources are California Cities Water Company, a municipal supplier to the City of Clearlake; Clear Lake, controlled by Yolo County Flood Control and Water Conservation District; Borax Lake, controlled by a local developer; Southeast Regional Wastewater Treatment Plant, controlled by Lake County; and wells, ponds, and streams on private land. The evaluation involved the water uses, water rights, stream flows, precipitation, evaporation, a water balance, and water quality. In spite of California`s prolonged drought, the interim conclusion is that adequate water is available at a reasonable cost to supply the proposed HDR demonstration project.

  16. Water Induced Surface Reconstruction of the Oxygen (2x1) covered Ru(0001)

    SciTech Connect (OSTI)

    Maier, Sabine; Cabrera-Sanfelix, Pepa; Stass, Ingeborg; Sanchez-Portal, Daniel; Arnau, Andres; Salmeron, Miquel

    2010-08-06T23:59:59.000Z

    Low temperature scanning tunneling microscopy (STM) and density functional theory (DFT) were used to study the adsorption of water on a Ru(0001) surface covered with half monolayer of oxygen. The oxygen atoms occupy hcp sites in an ordered structure with (2x1) periodicity. DFT predicts that water is weakly bound to the unmodified surface, 86 meV compared to the ~;;200 meV water-water H-bond. Instead, we found that water adsorption causes a shift of half of the oxygen atoms from hcp sites to fcc sites, creating a honeycomb structure where water molecules bind strongly to the exposed Ru atoms. The energy cost of reconstructing the oxygen overlayer, around 230 meV per displaced oxygen atom, is more than compensated by the larger adsorption energy of water on the newly exposed Ru atoms. Water forms hydrogen bonds with the fcc O atoms in a (4x2) superstructure due to alternating orientations of the molecules. Heating to 185 K results in the complete desorption of the water layer, leaving behind the oxygen honeycomb structure, which is metastable relative to the original (2x1). This stable structure is not recovered until after heating to temperatures close to 260K.

  17. Infrared imaging of the surface temperature field of water during film spreading

    E-Print Network [OSTI]

    Saylor, John R.

    which exists at a perfectly clean gas/liquid interface is considered to be shear- free. Films be significantly affected by the presence of a film.3­7 Such studies are typically conducted in a water tank where in the area of oil slicks and their dispersal,10 the transport of surfactants within the lung,11

  18. MUREX: a land-surface eld experiment to study the annual cycle of the energy and water budgets

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    was fully characterised, and surface water and energy ¯uxes, vegetation biomass, soil moisture pro shortcomings are revealed. Key words. Hydrology (evapotranspiration; soil moisture; water-energy interactionsMUREX: a land-surface ®eld experiment to study the annual cycle of the energy and water budgets J

  19. Water, chloroform, acetonitrile, and atrazine adsorption to the amorphous silica surface studied by vibrational sum frequency generation spectroscopy

    E-Print Network [OSTI]

    Water, chloroform, acetonitrile, and atrazine adsorption to the amorphous silica surface studied the air­silica interface before, during, and after adsorption of water, chloroform, acetonitrile the compounds. Adsorption of chloro- form and acetonitrile was weaker compared to water. Binding to the surface

  20. Studies of the viscoelastic properties of water confined between surfaces of specified chemical nature.

    SciTech Connect (OSTI)

    Houston, Jack E.; Grest, Gary Stephen; Moore, Nathan W.; Feibelman, Peter J.

    2010-09-01T23:59:59.000Z

    This report summarizes the work completed under the Laboratory Directed Research and Development (LDRD) project 10-0973 of the same title. Understanding the molecular origin of the no-slip boundary condition remains vitally important for understanding molecular transport in biological, environmental and energy-related processes, with broad technological implications. Moreover, the viscoelastic properties of fluids in nanoconfinement or near surfaces are not well-understood. We have critically reviewed progress in this area, evaluated key experimental and theoretical methods, and made unique and important discoveries addressing these and related scientific questions. Thematically, the discoveries include insight into the orientation of water molecules on metal surfaces, the premelting of ice, the nucleation of water and alcohol vapors between surface asperities and the lubricity of these molecules when confined inside nanopores, the influence of water nucleation on adhesion to salts and silicates, and the growth and superplasticity of NaCl nanowires.

  1. Evaluation of Subsurface Flow and Free-water Surface Wetlands Treating NPR-3 Produced Water - Year No. 1

    SciTech Connect (OSTI)

    Myers, J. E.; Jackson, L. M.

    2001-10-13T23:59:59.000Z

    This paper is a summary of some of the activities conducted during the first year of a three-year cooperative research and development agreement (CRADA) between the Department of Energy (DOE) Rocky Mountain Oilfield Testing Center (RMOTC) and Texaco relating to the treatment of produced water by constructed wetlands. The first year of the CRADA is for design, construction and acclimation of the wetland pilot units. The second and third years of the CRADA are for tracking performance of pilot wetlands as the plant and microbial communities mature. A treatment wetland is a proven technology for the secondary and tertiary treatment of produced water, storm water and other wastewaters. Treatment wetlands are typically classified as either free-water surface (FWS) or subsurface flow (SSF). Both FWS and SSF wetlands work well when properly designed and operated. This paper presents a collection of kinetic data gathered from pilot units fed a slipstream of Wyoming (NPR-3) produced water. The pilot units are set up outdoors to test climatic influences on treatment. Monitoring parameters include evapotranspiration, plant growth, temperature, and NPDES discharge limits. The pilot wetlands (FWS and SSF) consist of a series of 100-gal plastic tubs filled with local soils, gravel, sharp sand and native wetland plants (cattail (Typha spp.), bulrush (Scirpus spp.), dwarf spikerush (Eleocharis)). Feed pumps control hydraulic retention time (HRT) and simple water control structures control the depth of water. The treated water is returned to the existing produced water treatment system. All NPDES discharge limits are met. Observations are included on training RMOTC summer students to do environmental work.

  2. A Study to Verify the Material Surface Concept of Water Table by Examining Analytical and Numerical Models.

    E-Print Network [OSTI]

    Dadi, Sireesh Kumar

    2011-10-21T23:59:59.000Z

    The highly nonlinear nature of unsaturated flow results in different ways to approximate the delayed or instantaneous movement of the water table. In nearly all the approaches, the water table is conceptually treated as a “material surface...

  3. Seasonally Resolved Surface Water (delta)14C Variability in the Lombok Strait: A Coralline Perspective

    SciTech Connect (OSTI)

    Guilderson, T P; Fallon, S J; Moore, M D; Schrag, D P; Charles, C D

    2008-04-23T23:59:59.000Z

    We have explored surface water mixing in the Lombok Strait through a {approx}bimonthly resolved surface water {Delta}{sup 14}C time-series reconstructed from a coral in the Lombok Strait that spans 1937 through 1990. The prebomb surface water {Delta}{sup 14}C average is -60.5{per_thousand} and individual samples range from -72{per_thousand} to 134{per_thousand}. The annual average post-bomb maximum occurs in 1973 and is 122{per_thousand}. The timing of the post-bomb maximum is consistent with a primary subtropical source for the surface waters in the Indonesian Seas. During the post-bomb period the coral records regular seasonal cycles of 5-20{per_thousand}. Seasonal high {Delta}{sup 14}C occur during March-May (warm, low salinity), and low {Delta}{sup 14}C occur in September (cool, higher salinity). The {Delta}{sup 14}C seasonality is coherent and in phase with the seasonal {Delta}{sup 14}C cycle observed in Makassar Strait. We estimate the influence of high {Delta}{sup 14}C Makassar Strait (North Pacific) water flowing through the Lombok Strait using a two endmember mixing model and the seasonal extremes observed at the two sites. The percentage of Makassar Strait water varies between 16 and 70%, and between 1955 and 1990 it averages 40%. During La Nina events there is a higher percentage of Makassar Strait (high {Delta}{sup 14}C) water in the Lombok Strait.

  4. Effect of atmospheric water vapor on modification of stable isotopes in near-surface snow on ice sheets

    E-Print Network [OSTI]

    Walden, Von P.

    temperature and the abundance of heavy isotopes of water found in water vapor and precipitation as functionsEffect of atmospheric water vapor on modification of stable isotopes in near-surface snow on ice fractionation model is developed to investigate postdepositional modification of stable isotopes of water

  5. The Stress Corrosion Crack Growth Rate of Alloy 600 Heat Affected Zones Exposed to High Purity Water

    SciTech Connect (OSTI)

    George A. Young; Nathan Lewis

    2003-04-05T23:59:59.000Z

    Grain boundary chromium carbides improve the resistance of nickel based alloys to primary water stress corrosion cracking (PWSCC). However, in weld heat affected zones (HAZ's), thermal cycles from fusion welding can solutionize beneficial grain boundary carbides, produce locally high residual stresses and strains, and promote PWSCC. The present research investigates the crack growth rate of an A600 HAZ as a function of test temperature. The A600 HAZ was fabricated by building up a gas-tungsten-arc-weld deposit of EN82H filler metal onto a mill-annealed A600 plate. Fracture mechanics based, stress corrosion crack growth rate testing was performed in high purity water between 600 F and 680 F at an initial stress intensity factor of 40 ksi {radical}in and at a constant electrochemical potential. The HAZ samples exhibited significant SCC, entirely within the HAZ at all temperatures tested. While the HAZ samples showed the same temperature dependence for SCC as the base material (HAZ: 29.8 {+-} 11.2{sub 95%} kcal/mol vs A600 Base: 35.3 {+-} 2.58{sub 95%} kcal/mol), the crack growth rates were {approx} 30X faster than the A600 base material tested at the same conditions. The increased crack growth rates of the HAZ is attributed to fewer intergranular chromium rich carbides and to increased plastic strain in the HAZ as compared to the unaffected base material.

  6. DOE-EMSP Final Report: Characterization of Changes in Colloid and DNAPL Affecting Surface Chemistry and Remediation

    SciTech Connect (OSTI)

    Susan E. Powers; Stefan J. Grimberg; Miles Denham

    2007-02-07T23:59:59.000Z

    The waste disposal to the M-area basin and A-14 outfall at the Savannah River Department of Energy facility in Aiken SC (USA) included a wide variety of inorganic aqueous flows and organic solvents in the form of dense non-aqueous phase liquids (DNAPL). The DNAPL has migrated through the subsurface resulting in widespread groundwater contamination. The goal of this research was to identify and quantify processes that could have affected the migration and remediation of the DNAPL in the subsurface. It was hypothesized that the variety of waste disposed at this site could have altered the mineral, microbial and DNAPL properties at this site relative to other DNAPL sites. The DNAPL was determined to have a very low interfacial tension and is suspected to be distributed in fine grained media, thereby reducing the effectiveness of soil vapor extraction remediation efforts. Although the DNAPL is primarily comprised of tetrachloroethene and trichloroethane, it also contains organic acids and several heavy metals. Experimental results suggest that iron from the aqueous and DNAPL phases undergoes precipitation and dechlorination reactions at the DNAPL-water interface, contributing to the low interfacial tension and acidity of the DNAPL. Biological activity in the contaminated region can also contribute to the low interfacial tension. PCE degrading bacteria produce biosurfactants and adhere to the DNAPL-water interface when stressed by high tetrachloroethene or low dissolved oxygen concentrations. The presence of iron can reduce the interfacial tension by nearly an order of magnitude, while the PCE degraders reduced the interfacial tension by nearly 50%. Abiotic changes in the mineral characteristics were not found to be substantially different between contaminated and background samples. The research completed here begins to shed some insight into the complexities of DNAPL fate and migration at sites where co-disposal of many different waste products occurred. Quantifying the low interfacial tension of the SRS DNAPL helps to formulate a new conceptual picture of the subsurface DNAPL migration and provides an explanation of the limited effectiveness of remediation efforts. Alternative designs for remediation that are more effective for sites with DNAPL in fine grained media are required.

  7. Economic costs of conventional surface-water treatment: A case study of the Mcallen northwest facility

    E-Print Network [OSTI]

    Rogers, Callie Sue

    2009-05-15T23:59:59.000Z

    an operating surface-water treatment facility located in McAllen, Texas: the McAllen Northwest facility. This facility has a maximum-designed operating capacity of 8.25 million gallons per day (mgd), but due to required shutdown time and other limitations...

  8. & Surface Chemistry Water-Stable Zirconium-Based MetalOrganic Framework Material

    E-Print Network [OSTI]

    & Surface Chemistry Water-Stable Zirconium-Based Metal­Organic Framework Material with High candidates as replacements for gasoline (petrol). However, their compact storage in molecular form, es Department of Chemistry and International Institute for Nanotechnology Northwestern University, 2145 Sheridan

  9. GEOG4750 (GEOG5750) Surface Water Hydrology University of North Texas

    E-Print Network [OSTI]

    Pan, Feifei

    GEOG4750 (GEOG5750) Surface Water Hydrology University of North Texas Department of Geography-11:50 AM or by appointment. Email: fpan@unt.edu Required Text: Elements of Physical Hydrology by Hornberger, G.M., Johns Hopkins University Press, 1998. References: Physical Hydrology by Dingman, Prentice

  10. GEOG4750 (GEOG5960.02) Surface Water Hydrology University of North Texas

    E-Print Network [OSTI]

    Pan, Feifei

    GEOG4750 (GEOG5960.02) Surface Water Hydrology University of North Texas Department of Geography-12:00PM or by appointment. Email: fpan@unt.edu Required Text: Elements of Physical Hydrology by Hornberger, G.M., Johns Hopkins University Press, 1998. References: Physical Hydrology by Dingman, Prentice

  11. GEOG4750 (GEOG5750) Surface Water Hydrology University of North Texas

    E-Print Network [OSTI]

    Pan, Feifei

    GEOG4750 (GEOG5750) Surface Water Hydrology University of North Texas Department of Geography:50 AM or by appointment. Email: feifei.pan@unt.edu Required Text: Elements of Physical Hydrology by Hornberger, G.M., Johns Hopkins University Press, 1998. References: Physical Hydrology by Dingman, Prentice

  12. Endocrine Active Chemicals, Pharmaceuticals, and Other Chemicals of Concern in Surface Water, Wastewater-

    E-Print Network [OSTI]

    , Wastewater- Treatment Plant Effluent, and Bed Sediment, and Biological Characteristics in Selected Streams Chemicals, Pharmaceuticals, and Other Chemicals of Concern in Surface Water, Wastewater- Treatment Plant, and Data, 2009 #12;Front cover. Industrial wastewater-treatment plant outflow in Worthington, Minnesota

  13. Mobility of D atoms on porous amorphous water ice surfaces under interstellar conditions

    E-Print Network [OSTI]

    E. Matar; E. Congiu; F. Dulieu; A. Momeni; J. L. Lemaire

    2008-10-13T23:59:59.000Z

    Aims. The mobility of H atoms on the surface of interstellar dust grains at low temperature is still a matter of debate. In dense clouds, the hydrogenation of adsorbed species (i.e., CO), as well as the subsequent deuteration of the accreted molecules depend on the mobility of H atoms on water ice. Astrochemical models widely assume that H atoms are mobile on the surface of dust grains even if controversy still exists. We present here direct experimental evidence of the mobility of H atoms on porous water ice surfaces at 10 K. Methods. In a UHV chamber, O2 is deposited on a porous amorphous water ice substrate. Then D atoms are deposited onto the surface held at 10 K. Temperature-Programmed Desorption (TPD) is used and desorptions of O2 and D2 are simultaneously monitored. Results. We find that the amount of O2 that desorb during the TPD diminishes if we increase the deposition time of D atoms. O2 is thus destroyed by D atoms even though these molecules have previously diffused inside the pores of thick water ice. Our results can be easily interpreted if D is mobile at 10 K on the water ice surface. A simple rate equation model fits our experimental data and best fit curves were obtained for a D atoms diffusion barrier of 22(+-)2 meV. Therefore hydrogenation can take place efficiently on interstellar dust grains. These experimental results are in line with most calculations and validate the hypothesis used in several models.

  14. Subsurface Drip Irrigation As a Methold to Beneficiallly Use Coalbed Methane Produced Water: Initial Impacts to Groundwater, Soil Water, and Surface Water

    SciTech Connect (OSTI)

    Engle, M.A.: Bern, C: Healy, R: Sams, J: Zupancic, J.: Schroeder, K.

    2009-10-18T23:59:59.000Z

    Coalbed methane (CBM) currently accounts for >8% of US natural gas production. Compared to traditional sources, CBM co-produces large volumes of water. Of particular interest is CBM development in the Powder River Basin of Wyoming and Montana, the 2nd largest CBM production field in the US, where CBM produced waters exhibit low to moderate TDS and relatively high sodium-adsorption ratio (SAR) that could potentially impact the surface environment. Subsurface drip irrigation (SDI) is an emerging technology for beneficial use of pre-treated CBM waters (injectate) which are emitted into the root zone of an agricultural field to aid in irrigation. The method is designed to minimize environmental impacts by storing potentially detrimental salts in the vadose zone. Research objectives include tracking the transport and fate of the water and salts from the injected CBM produced waters at an SDI site on an alluvial terrace, adjacent to the Powder River, Johnson County, Wyoming. This research utilizes soil science, geochemical, and geophysical methods. Initial results from pre-SDI data collection and the first 6-months of post-SDI operation will be presented. Substantial ranges in conductivity (2732-9830 {micro}S/cm) and dominant cation chemistry (Ca-SO{sub 4} to Na-SO{sub 4}) have been identified in pre-SDI analyses of groundwater samples from the site. Ratios of average composition of local ground water to injectate demonstrate that the injectate contains lower concentrations of most constituents except for Cr, Zn, and Tl (all below national water quality standards) but exhibits a higher SAR. Composition of soil water varies markedly with depth and between sites, suggesting large impacts from local controls, including ion exchange and equilibrium with gypsum and carbonates. Changes in chemical composition and specific conductivity along surface water transects adjacent to the site are minimal, suggesting that discharge to the Powder River from groundwater underlying the SDI fields is negligible. Findings from this project provide a critical understanding of water and salt dynamics associated with SDI systems using CBM produced water. The information obtained can be used to improve SDI and other CBM produced water use/disposal technologies in order to minimize adverse impacts.

  15. Water balance in the Amazon basin from a land surface model ensemble

    SciTech Connect (OSTI)

    Getirana, Augusto; Dutra, Emanuel; Guimberteau, Matthieu; Kam, Jonghun; Li, Hongyi; Decharme, Bertrand; Zhang, Zhengqiu J.; Ducharne, Agnes; Boone, Aaron; Balsamo, Gianpaolo; Rodell, Matthew; Mounirou Toure, Ally; Xue, Yongkang; Peters-Lidard, Christa D.; Kumar, Sujay V.; Arsenault, Kristi Rae; Drapeau, Guillaume; Leung, Lai-Yung R.; Ronchail, Josyane; Sheffield, Justin

    2014-12-06T23:59:59.000Z

    Despite recent advances in modeling and remote sensing of land surfaces, estimates of the global water budget are still fairly uncertain. The objective of this study is to evaluate the water budget of the Amazon basin based on several state-of-the-art land surface model (LSM) outputs. Water budget variables [total water storage (TWS), evapotranspiration (ET), surface runoff (R) and baseflow (B)] are evaluated at the basin scale using both remote sensing and in situ data. Fourteen LSMs were run using meteorological forcings at a 3-hourly time step and 1-degree spatial resolution. Three experiments are performed using precipitation which has been rescaled to match monthly global GPCP and GPCC datasets and the daily HYBAM dataset for the Amazon basin. R and B are used to force the Hydrological Modeling and Analysis Platform (HyMAP) river routing scheme and simulated discharges are compared against observations at 165 gauges. Simulated ET and TWS are compared against FLUXNET and MOD16A2 evapotranspiration, and GRACE TWS estimates in different catchments. At the basin scale, simulated ET ranges from 2.39mm.d-1 to 3.26mm.d-1 and a low spatial correlation between ET and P indicates that evapotranspiration does not depend on water availability over most of the basin. Results also show that other simulated water budget variables vary significantly as a function of both the LSM and precipitation used, but simulated TWS generally agree at the basin scale. The best water budget simulations resulted from experiments using the HYBAM dataset, mostly explained by a denser rainfall gauge network the daily rescaling.

  16. Tuning the interaction between propagating and localized surface plasmons for surface enhanced Raman scattering in water for biomedical and environmental applications

    SciTech Connect (OSTI)

    Shioi, Masahiko, E-mail: shioi.masahiko@jp.panasonic.com [Device Solutions Center, Panasonic Corporation, 3-4, Hikaridai, Seika-cho, Soraku-gun, Kyoto 619-0237 (Japan); Department of Electric and Electronic Engineering, Graduate School of Engineering, Kobe University, Rokkodai, Nada, Kobe 657-8501 (Japan); Jans, Hilde [Interuniversity Microelectronics Center VZW., Kapeldreef 75, 3001 Leuven (Belgium); Lodewijks, Kristof [Interuniversity Microelectronics Center VZW., Kapeldreef 75, 3001 Leuven (Belgium); Department of Electrical Engineering, Katholieke Universiteit Leuven, Celestijnenlaan 200 D, B-3001 Leuven (Belgium); Van Dorpe, Pol; Lagae, Liesbet [Interuniversity Microelectronics Center VZW., Kapeldreef 75, 3001 Leuven (Belgium); Department of Physics, Katholieke Universiteit Leuven, Celestijnenlaan 200 D, B-3001 Leuven (Belgium); Kawamura, Tatsuro [Device Solutions Center, Panasonic Corporation, 3-4, Hikaridai, Seika-cho, Soraku-gun, Kyoto 619-0237 (Japan)

    2014-06-16T23:59:59.000Z

    With a view to biomedical and environmental applications, we investigate the plasmonic properties of a rectangular gold nanodisk array in water to boost surface enhanced Raman scattering (SERS) effects. To control the resonance wavelengths of the surface plasmon polariton and the localized surface plasmon, their dependence on the array period and diameter in water is studied in detail using a finite difference time domain method. A good agreement is obtained between calculated resonant wavelengths and those of gold nanodisk arrays fabricated using electron beam lithography. For the optimized structure, a SERS enhancement factor of 7.8?×?10{sup 7} is achieved in water experimentally.

  17. Naturally-Occurring Radionuclides In Drinking Water From Surface And Groundwater Reservoirs

    SciTech Connect (OSTI)

    Carvalho, F. P.; Madruga, M. J.; Oliveira, J. M.; Lopes, I.; Ferrador, G.; Sequeira, M. M. [Nuclear and Technological Institute (ITN) Department of Radiological Protection and Nuclear Safety E.N. 10, 2686-953 Sacavem (Portugal)

    2008-08-07T23:59:59.000Z

    Radioactivity in water for human consumption is under closer scrutiny than ever before and many countries adopted guideline values based on total alpha and total beta activity measurements. Although most waters from surface circulation meet these guidelines, it is frequently found that groundwater exceed guideline values. Results of water analyses by alpha spectrometry clarified that the main radionuclides present are from the uranium decay series, such as uranium isotopes, radium ({sup 226}Ra), radon ({sup 222}Rn), and also {sup 210}Pb and {sup 210}Po. Occasionally, groundwater displayed {sup 226}Ra concentrations higher than 1 Bq L{sup -1} and {sup 222}Rn concentrations above 1000 Bq L{sup -1}. Nevertheless, lack of conformity of these waters with guidelines adopted, generally, is not due to anthropogenic inputs.

  18. Global estimation of evapotranspiration using a leaf area index-based surface energy and water balance model

    E-Print Network [OSTI]

    Martin, Timothy

    using Advanced Very High Res- olution Radiometer Lai data, Climate Research Unit climate dataGlobal estimation of evapotranspiration using a leaf area index-based surface energy and water-relative-humidity-based two-source (ARTS) E model that simulates the surface energy balance, soil water balance

  19. Energy and Water Use in Irrigated Agriculture During Drought Conditions

    E-Print Network [OSTI]

    Ritschard, R.L.

    2011-01-01T23:59:59.000Z

    attempt to compensate for lack of water later. The importanton this question. or its lack affect water quality? usea drought year the lack of surface water supply is partially

  20. Raman spectroscopy of solutions and interfaces containing nitrogen dioxide, water, and 1,4 dioxane: Evidence for repulsion of surface water by NO{sub 2} gas

    SciTech Connect (OSTI)

    Murdachaew, Garold [Institute of Chemistry and the Fritz Haber Research Center for Molecular Dynamics, Hebrew University, Jerusalem 91904 (Israel)] [Institute of Chemistry and the Fritz Haber Research Center for Molecular Dynamics, Hebrew University, Jerusalem 91904 (Israel); Varner, Mychel E.; Veer, Wytze E. van der [Department of Chemistry, University of California, Irvine, California 92697 (United States)] [Department of Chemistry, University of California, Irvine, California 92697 (United States); Gerber, R. Benny [Institute of Chemistry and the Fritz Haber Research Center for Molecular Dynamics, Hebrew University, Jerusalem 91904 (Israel) [Institute of Chemistry and the Fritz Haber Research Center for Molecular Dynamics, Hebrew University, Jerusalem 91904 (Israel); Department of Chemistry, University of California, Irvine, California 92697 (United States); Phillips, Leon F., E-mail: leon.phillips@canterbury.ac.nz [Department of Chemistry, University of California, Irvine, California 92697 (United States); Department of Chemistry, University of Canterbury, Private Bag 4800, Christchurch (New Zealand)

    2014-05-14T23:59:59.000Z

    The interaction of water, 1,4 dioxane, and gaseous nitrogen dioxide, has been studied as a function of distance measured through the liquid-vapour interface by Raman spectroscopy with a narrow (<0.1 mm) laser beam directed parallel to the interface. The Raman spectra show that water is present at the surface of a dioxane-water mixture when gaseous NO{sub 2} is absent, but is virtually absent from the surface of a dioxane-water mixture when gaseous NO{sub 2} is present. This is consistent with recent theoretical calculations that show NO{sub 2} to be mildly hydrophobic.

  1. UMTRA project technical assistance contractor quality assurance implementation plan for surface and ground water

    SciTech Connect (OSTI)

    Not Available

    1994-09-01T23:59:59.000Z

    The Uranium Mill Tailings Remedial Action (UMTRA) Project Technical Assistance Contractor (TAC) Quality Assurance Implementation Plan (QAIP) outlines the primary requirements for integrating quality functions for TAC technical activities applied to the surface and ground water phases of the UMTRA Project. The QAIP is subordinate to the latest issue of the UMTRA Project TAC Quality Assurance Program Plan (QAPP). The QAIP addresses technical aspects of the TAC UMTRA Project surface and ground water programs. The QAIP is authorized and approved by the TAC Project Manager and QA manager. The QA program is designed to use monitoring, audit, and surveillance functions as management tools to ensure that all Project organization activities are carried out in a manner that will protect public health and safety, promote the success of the UMTRA Project and meet or exceed contract requirements.

  2. Water-waves modes trapped in a canal by a body with the rough surface

    E-Print Network [OSTI]

    G. Cardone; T. Durante; S. A. Nazarov

    2009-10-06T23:59:59.000Z

    The problem about a body in a three dimensional infinite channel is considered in the framework of the theory of linear water-waves. The body has a rough surface characterized by a small parameter $\\epsilon>0$ while the distance of the body to the water surface is also of order $\\epsilon$. Under a certain symmetry assumption, the accumulation effect for trapped mode frequencies is established, namely, it is proved that, for any given $d>0$ and integer $N>0$, there exists $\\epsilon(d,N)>0$ such that the problem has at least $N$ eigenvalues in the interval $(0,d)$ of the continuous spectrum in the case $\\epsilon\\in(0,\\epsilon(d,N)) $. The corresponding eigenfunctions decay exponentially at infinity, have finite energy, and imply trapped modes.

  3. Surface Water Chemistry in White Oak Creek, North-East Texas: Effect of Land Use

    E-Print Network [OSTI]

    Watson, Eliza

    2012-02-14T23:59:59.000Z

    watersheds soils, leaches readily to surface waters. Manure can contribute a significant amount of phosphorus loading into adjacent streams from livestock agriculture (James et al. 2007). Contributions from dairy cattle in a watershed in southeastern... New York showed that in-stream fecal deposits from pastured cattle represented 10% of watershed phosphorus loadings (James et al. 2007). Additionally, it was found that livestock grazing along streams and riparian zones can also have adverse...

  4. Short communication Satellite-derived surface water pCO2 and airsea CO2 fluxes

    E-Print Network [OSTI]

    Short communication Satellite-derived surface water pCO2 and air­sea CO2 fluxes in the northern for the estimation of the partial pressure of carbon dioxide (pCO2) and air­sea CO2 fluxes in the northern South), respectively, the monthly pCO2 fields were computed. The derived pCO2 was compared with the shipboard pCO2

  5. Effect of surface tension on the acoustic radiation pressure-induced motion of the water-air interface

    E-Print Network [OSTI]

    Khuri-Yakub, Butrus T. "Pierre"

    Effect of surface tension on the acoustic radiation pressure-induced motion of the water to be a function of the surface tension. The time of mound formation measurementsin cleanwaterat low.Our objectiveisto investigatetheeffectsof surface tension on mound formation. We usea boundaryintegralmethodto

  6. Surface Tensions in NaCl-Water-Air Systems from MD Simulations Ranjit Bahadur, Lynn M. Russell,*, and Saman Alavi

    E-Print Network [OSTI]

    Russell, Lynn

    Surface Tensions in NaCl-Water-Air Systems from MD Simulations Ranjit Bahadur, Lynn M. Russell, Ottawa, Ontario K1A 0R6, Canada ReceiVed: July 9, 2007; In Final Form: July 30, 2007 Surface tensions to the surface tension, while the energy-integral and test area methods provide direct estimates. At 1 atm

  7. Stable water isotope simulation by current land-surface schemes:Results of IPILPS phase 1

    SciTech Connect (OSTI)

    Henderson-Sellers, A.; Fischer, M.; Aleinov, I.; McGuffie, K.; Riley, W.J.; Schmidt, G.A.; Sturm, K.; Yoshimura, K.; Irannejad, P.

    2005-10-31T23:59:59.000Z

    Phase 1 of isotopes in the Project for Intercomparison of Land-surface Parameterization Schemes (iPILPS) compares the simulation of two stable water isotopologues ({sup 1}H{sub 2} {sup 18}O and {sup 1}H{sup 2}H{sup 16}O) at the land-atmosphere interface. The simulations are off-line, with forcing from an isotopically enabled regional model for three locations selected to offer contrasting climates and ecotypes: an evergreen tropical forest, a sclerophyll eucalypt forest and a mixed deciduous wood. Here we report on the experimental framework, the quality control undertaken on the simulation results and the method of intercomparisons employed. The small number of available isotopically-enabled land-surface schemes (ILSSs) limits the drawing of strong conclusions but, despite this, there is shown to be benefit in undertaking this type of isotopic intercomparison. Although validation of isotopic simulations at the land surface must await more, and much more complete, observational campaigns, we find that the empirically-based Craig-Gordon parameterization (of isotopic fractionation during evaporation) gives adequately realistic isotopic simulations when incorporated in a wide range of land-surface codes. By introducing two new tools for understanding isotopic variability from the land surface, the Isotope Transfer Function and the iPILPS plot, we show that different hydrological parameterizations cause very different isotopic responses. We show that ILSS-simulated isotopic equilibrium is independent of the total water and energy budget (with respect to both equilibration time and state), but interestingly the partitioning of available energy and water is a function of the models' complexity.

  8. The thermodynamics of proton hydration and the electrochemical surface potential of water

    SciTech Connect (OSTI)

    Pollard, Travis P. [Department of Chemistry, University of Cincinnati, Cincinnati, Ohio 45221 (United States); Beck, Thomas L. [Department of Chemistry, University of Cincinnati, Cincinnati, Ohio 45221 (United States); Department of Physics, University of Cincinnati, Cincinnati, Ohio 45221 (United States)

    2014-11-14T23:59:59.000Z

    The free energy change for transferring a single ion across the water liquid/vapor interface includes an electrochemical surface potential contribution. Since this potential is not directly accessible to thermodynamic measurement, several extra-thermodynamic approaches have been employed to infer its sign and magnitude, with a resulting wide spread of values. Here, we examine further the thermodynamics of proton hydration and the electrochemical surface potential of water along three directions: (1) a basic relation of interfacial electrostatics and experimental results on ion distributions near a water/organic interface are employed to infer a solvent contribution to the electrochemical surface potential, (2) a re-analysis is performed of the existing bulk and cluster ion hydration data, and (3) extensive computational modeling is conducted to examine the size dependence of hydration enthalpy differences for the NaF ion pair between the small cluster and the converged bulk limits. The computational studies include classical polarizable models and high-level quantum chemical methods. The new theoretical analysis of existing experimental data and the combined classical/quantum modeling lead to results consistent with our previously derived proton hydration quantities.

  9. Summary of Inorganic Compositional Data for Groundwater, Soil-Water, and Surface-Water Samples at the Headgate Draw Subsurface Drip Irrigation Site

    SciTech Connect (OSTI)

    Geboy, Nicholas J.; Engle, Mark A.; Schroeder, Karl T.; Zupanic, John W.

    2007-01-01T23:59:59.000Z

    As part of a 5-year project on the impact of subsurface drip irrigation (SDI) application of coalbed-methane (CBM) produced waters, water samples were collected from the Headgate Draw SDI site in the Powder River Basin, Wyoming, USA. This research is part of a larger study to understand short- and long-term impacts on both soil and water quality from the beneficial use of CBM waters to grow forage crops through use of SDI. This document provides a summary of the context, sampling methodology, and quality assurance and quality control documentation of samples collected prior to and over the first year of SDI operation at the site (May 2008-October 2009). This report contains an associated database containing inorganic compositional data, water-quality criteria parameters, and calculated geochemical parameters for samples of groundwater, soil water, surface water, treated CBM waters, and as-received CBM waters collected at the Headgate Draw SDI site.

  10. Improved Design Tools for Surface Water and Standing Column Well Heat Pump Systems (DE-EE0002961)

    SciTech Connect (OSTI)

    Spitler, J.D.; Culling, J.R.; Conjeevaram, K.; Ramesh, M.; Selvakumar, M.

    2012-11-30T23:59:59.000Z

    Ground-source heat pump (GSHP) systems are perhaps the most widely used “sustainable” heating and cooling systems, with an estimated 1.7 million installed units with total installed heating capacity on the order of 18 GW. They are widely used in residential, commercial, and institutional buildings. Standing column wells (SCW) are one form of ground heat exchanger that, under the right geological conditions, can provide excellent energy efficiency at a relatively low capital cost. Closed-loop surface water heat pump (SWHP) systems utilize surface water heat exchangers (SWHE) to reject or extract heat from nearby surface water bodies. For building near surface water bodies, these systems also offer a high degree of energy efficiency at a low capital cost. However, there have been few design tools available for properly sizing standing column wells or surface water heat exchangers. Nor have tools for analyzing the energy consumption and supporting economics-based design decisions been available. The main contributions of this project lie in providing new tools that support design and energy analysis. These include a design tool for sizing surface water heat exchangers, a design tool for sizing standing column wells, a new model of surface water heat pump systems implemented in EnergyPlus and a new model of standing column wells implemented in EnergyPlus. These tools will better help engineers design these systems and determine the economic and technical feasibility.

  11. The impact of tropical cyclones (TC) on global climate is still debated. They rapidly mix the water column beneath them, bringing cold water to the surface.

    E-Print Network [OSTI]

    Jones, Peter JS

    of Climate, 21, 638 Sriver & Huber, 2007, Observational evidence for an ocean heat pump induced by tropicalThe impact of tropical cyclones (TC) on global climate is still debated. They rapidly mix the water column beneath them, bringing cold water to the surface. One way to parameterise this process

  12. Characterization of uranium in surface-waters collected at the Rocky Flats Facility

    SciTech Connect (OSTI)

    Efurd, D.W.; Rokop, D.J.; Aguilar, R.D.; Roensch, F.R.; Perrin, R.E.; Banar, J.C.

    1994-06-01T23:59:59.000Z

    The Rocky Flats Plant (RFP) is a Department of Energy (DOE) facility where plutonium and uranium components were manufactured for nuclear weapons. During plant operations radioactivity was inadvertently released into the environment. This study was initiated to characterize the uranium present in surface-waters at RFP. Three drainage basins and natural ephemeral streams transverse RFP. The Woman Creek drainage basin traverses and drains the southern portion of the site. The Rock Creek drainage basin drains the northwestern portion of the plant complex. The Walnut Creek drainage basin traverses the western, northern, and northeastern portions of the RFP site. Dams, detention ponds, diversion structures, and ditches have been constructed at RFP to control the release of plant discharges and surface (storm water) runoff. The ponds located downstream of the plant complex on North Walnut Creek are designated A-1 through A-4. Ponds on South Walnut Creek are designated B-1 through B-5. The ponds in the Woman Creek drainage basin are designated C-1 and C-2. Water samples were collected from each pond and the uranium was characterized by TIMS measurement techniques.

  13. Water-related Issues Affecting Conventional Oil and Gas Recovery and Potential Oil-Shale Development in the Uinta Basin, Utah

    SciTech Connect (OSTI)

    Michael Vanden Berg; Paul Anderson; Janae Wallace; Craig Morgan; Stephanie Carney

    2012-04-30T23:59:59.000Z

    Saline water disposal is one of the most pressing issues with regard to increasing petroleum and natural gas production in the Uinta Basin of northeastern Utah. Conventional oil fields in the basin provide 69 percent of Utah?s total crude oil production and 71 percent of Utah?s total natural gas, the latter of which has increased 208% in the past 10 years. Along with hydrocarbons, wells in the Uinta Basin produce significant quantities of saline water ? nearly 4 million barrels of saline water per month in Uintah County and nearly 2 million barrels per month in Duchesne County. As hydrocarbon production increases, so does saline water production, creating an increased need for economic and environmentally responsible disposal plans. Current water disposal wells are near capacity, and permitting for new wells is being delayed because of a lack of technical data regarding potential disposal aquifers and questions concerning contamination of freshwater sources. Many companies are reluctantly resorting to evaporation ponds as a short-term solution, but these ponds have limited capacity, are prone to leakage, and pose potential risks to birds and other wildlife. Many Uinta Basin operators claim that oil and natural gas production cannot reach its full potential until a suitable, long-term saline water disposal solution is determined. The enclosed project was divided into three parts: 1) re-mapping the base of the moderately saline aquifer in the Uinta Basin, 2) creating a detailed geologic characterization of the Birds Nest aquifer, a potential reservoir for large-scale saline water disposal, and 3) collecting and analyzing water samples from the eastern Uinta Basin to establish baseline water quality. Part 1: Regulators currently stipulate that produced saline water must be disposed of into aquifers that already contain moderately saline water (water that averages at least 10,000 mg/L total dissolved solids). The UGS has re-mapped the moderately saline water boundary in the subsurface of the Uinta Basin using a combination of water chemistry data collected from various sources and by analyzing geophysical well logs. By re-mapping the base of the moderately saline aquifer using more robust data and more sophisticated computer-based mapping techniques, regulators now have the information needed to more expeditiously grant water disposal permits while still protecting freshwater resources. Part 2: Eastern Uinta Basin gas producers have identified the Birds Nest aquifer, located in the Parachute Creek Member of the Green River Formation, as the most promising reservoir suitable for large-volume saline water disposal. This aquifer formed from the dissolution of saline minerals that left behind large open cavities and fractured rock. This new and complete understanding the aquifer?s areal extent, thickness, water chemistry, and relationship to Utah?s vast oil shale resource will help operators and regulators determine safe saline water disposal practices, directly impacting the success of increased hydrocarbon production in the region, while protecting potential future oil shale production. Part 3: In order to establish a baseline of water quality on lands identified by the U.S. Bureau of Land Management as having oil shale development potential in the southeastern Uinta Basin, the UGS collected biannual water samples over a three-year period from near-surface aquifers and surface sites. The near-surface and relatively shallow groundwater quality information will help in the development of environmentally sound water-management solutions for a possible future oil shale and oil sands industry and help assess the sensitivity of the alluvial and near-surface bedrock aquifers. This multifaceted study will provide a better understanding of the aquifers in Utah?s Uinta Basin, giving regulators the tools needed to protect precious freshwater resources while still allowing for increased hydrocarbon production.

  14. In the near future, Switzerland is predicted to be affected by climate change, that is bound to impact both water demand and water supply

    E-Print Network [OSTI]

    and agriculture increases, water supply decreases (ProClim and OcCC, 2007) as climate change alters the hydrologic of the economic impact of climate change and different adaptation strategies in the water sector is essential in Switzerland, mandated by the Federal Office for the Environment (FOEN). 4) Climate change and water resources

  15. Phase states of water near the surface of a polymer membrane. Phase microscopy and luminescence spectroscopy experiments

    SciTech Connect (OSTI)

    Bunkin, N. F., E-mail: nbunkin@kapella.gpi.ru [Russian Academy of Sciences, Prokhorov General Physics Institute (Russian Federation); Gorelik, V. S. [Russian Academy of Sciences, Lebedev Physical Institute (Russian Federation); Kozlov, V. A., E-mail: v.kozlov@hotmail.com; Shkirin, A. V., E-mail: avshkirin@mephi.ru; Suyazov, N. V., E-mail: nvs@kapella.gpi.ru [Russian Academy of Sciences, Prokhorov General Physics Institute (Russian Federation)

    2014-11-15T23:59:59.000Z

    Phase microscopy is used to show that the refractive index in the near-surface layer of water at the surface of a polymer Nafion membrane increases by a factor of 1.1 as compared to bulk water. Moreover, this layer exhibits birefringence. Experiments on UV irradiation of dry (anhydrous) and water-soaked Nafion are performed in grazing-incidence geometry to study their stimulated luminescence spectra. These spectra are found to be identical in both cases. For dry Nafion, luminescence can only be excited if probing radiation illuminates the polymer surface. The luminescence of water-soaked Nafion can also be excited if the distance between the optical axis and the surface is several hundred micrometers.

  16. May 2013 Groundwater and Surface Water Sampling at the Rio Blanco, Colorado, Site (Data Validation Package)

    SciTech Connect (OSTI)

    None

    2013-10-01T23:59:59.000Z

    Annual sampling was conducted at the Rio Blanco, Colorado, site for the Long-Term Hydrologic Monitoring Program May 14-16, 2013, to monitor groundwater and surface water for potential radionuclide contamination. Sampling and analyses were conducted as specified in Sampling and Analysis Plan for the U.S. Department of Energy Office of Legacy Management Sites (LMS/PRO/S04351, continually updated). A duplicate sample was collected from location CER #1 Black Sulphur. Samples were analyzed for gamma-emitting radionuclides by high-resolution gamma spectrometry and for tritium using the conventional and enrichment methods.

  17. UMTRA project technical assistance contractor quality assurance implementation plan for surface and ground water, Revision 2

    SciTech Connect (OSTI)

    NONE

    1995-11-01T23:59:59.000Z

    This document contains the Technical Assistance Contractor (TAC) Quality Assurance Implementation Plan (QAIP) for the Uranium Mill Tailings Remedial Action (UMTRA) Project. The QAIP outlines the primary requirements for integrating quality functions for TAC technical activities applied to the surface and ground water phases of the UMTRA Project. The QA program is designed to use monitoring, audit, and surveillance activities as management tools to ensure that UMTRA Project activities are carried out in amanner to protect public health and safety, promote the success of the UMTRA Project, and meet or exceed contract requirements.

  18. Overview of groundwater and surface water standards pertinent to the Idaho National Engineering Laboratory. Revision 3

    SciTech Connect (OSTI)

    Lundahl, A.L.; Williams, S.; Grizzle, B.J.

    1995-09-01T23:59:59.000Z

    This document presents an overview of groundwater- and surface water-related laws, regulations, agreements, guidance documents, Executive Orders, and DOE orders pertinent to the Idaho National Engineering Laboratory. This document is a summary and is intended to help readers understand which regulatory requirements may apply to their particular circumstances. However, the document is not intended to be used in lieu of applicable regulations. Unless otherwise noted, the information in this report reflects a summary and evaluation completed July 1, 1995. This document is considered a Living Document, and updates on changing laws and regulations will be provided.

  19. Contact angle measurements and wetting behavior of inner surfaces of pipelines exposed to heavy crude oil and water

    E-Print Network [OSTI]

    Loh, Watson

    Elsevier B.V. All rights reserved. Keywords: Heavy oil; Asphaltenes; Naphthenic acids; Wettability; Oil­waterContact angle measurements and wetting behavior of inner surfaces of pipelines exposed to heavy crude oil and water RonaldoG.dosSantos a , Rahoma S. Mohamed a,F , Antonio C. Bannwart b , Watson Loh c

  20. A low diffusive Lagrange-remap scheme for the simulation of violent air-water free-surface flows.

    E-Print Network [OSTI]

    Boyer, Edmond

    . The evolution of the interfaces between phases and the consecutive complex dynamics need to be simulatedA low diffusive Lagrange-remap scheme for the simulation of violent air-water free-surface flows. Introduction Simulation of free surface flows knows an increasing interest as an essential predictive tool

  1. Surfaces

    E-Print Network [OSTI]

    DeMaio, Ernest Vincent, 1964-

    1989-01-01T23:59:59.000Z

    Surfaces is a collection of four individual essays which focus on the characteristics and tactile qualities of surfaces within a variety of perceived landscapes. Each essay concentrates on a unique surface theme and purpose; ...

  2. TRITIUM UNCERTAINTY ANALYSIS FOR SURFACE WATER SAMPLES AT THE SAVANNAH RIVER SITE

    SciTech Connect (OSTI)

    Atkinson, R.

    2012-07-31T23:59:59.000Z

    Radiochemical analyses of surface water samples, in the framework of Environmental Monitoring, have associated uncertainties for the radioisotopic results reported. These uncertainty analyses pertain to the tritium results from surface water samples collected at five locations on the Savannah River near the U.S. Department of Energy's Savannah River Site (SRS). Uncertainties can result from the field-sampling routine, can be incurred during transport due to the physical properties of the sample, from equipment limitations, and from the measurement instrumentation used. The uncertainty reported by the SRS in their Annual Site Environmental Report currently considers only the counting uncertainty in the measurements, which is the standard reporting protocol for radioanalytical chemistry results. The focus of this work is to provide an overview of all uncertainty components associated with SRS tritium measurements, estimate the total uncertainty according to ISO 17025, and to propose additional experiments to verify some of the estimated uncertainties. The main uncertainty components discovered and investigated in this paper are tritium absorption or desorption in the sample container, HTO/H{sub 2}O isotopic effect during distillation, pipette volume, and tritium standard uncertainty. The goal is to quantify these uncertainties and to establish a combined uncertainty in order to increase the scientific depth of the SRS Annual Site Environmental Report.

  3. Nickel Alloy Primary Water Bulk Surface and SCC Corrosion Film Analytical Characterization and SCC Mechanistic Implications

    SciTech Connect (OSTI)

    Morton, D.; Lewis, N.; Hanson, M.; Rice, S.; Sanders, P.

    2007-04-18T23:59:59.000Z

    Alloy 600 corrosion coupon tests were performed: (1) to quantify the temperature dependency of general corrosion and (2) to characterize the composition and structure of bulk surface corrosion films for comparison with ongoing primary water SCC (PWSCC) crack tip corrosion film analyses. Results suggest that the thermal activation energy of Alloy 600 corrosion is consistent with the thermal activation energy of nickel alloy PWSCC. Analytical investigations of the structure and composition of Alloy 600 bulk surface corrosion oxides revealed a duplex (inner and outer) oxide layer structure. The outer layer is discontinuous and comprised of relatively large (1 to 3 {micro}m) nickel ferrite crystals and smaller ({approx}0.1 {micro}m) chromium containing nickel ferrite crystals. The inner layer consists of a relatively continuous chromite spinel (major phase) and chromia (Cr{sub 2}O{sub 3} minor phase) which formed through non-selective oxidation. Chromia and dealloyed Alloy 600 (highly Ni enriched metal) were only observed at 337 C (640 F) and only along the boundaries of deformation induced fine grains and subcells. Specimens having deformation free surfaces exhibited continuous uniform inner chromite spinel oxide layers. Specimens with machining induced surface deformation produced non-uniform inner layer oxides (chromite spinel, Cr{sub 2}O{sub 3} and unoxidized material). PWSCC crack tip oxides, in contrast, were fine grain (no duplex structure) and consisted of both chromium rich spinels and ''NiO'' structure oxides. Generally, nickel rich oxides were more abundant under more oxidized conditions (reduced coolant hydrogen) and spinel rich crack tip oxides were favored under more reducing conditions (increased coolant hydrogen). Bulk surface corrosion film thickness did not correlate with observed SCC growth rates. These results suggest that corrosion is not the rate controlling step of PWSCC but rather that PWSCC and corrosion have a common rate controlling sub process (e.g., cation diffusion, oxygen ingress).

  4. Interactions between nitrifying bacteria and hydrocarbon-degrading bacteria during detoxification of oil sands process affected water

    SciTech Connect (OSTI)

    Sobolewski, A. [Microbial Technologies, Vancouver, British Columbia (Canada); MacKinnon, M. [Syncrude Research, Edmonton, Alberta (Canada)

    1995-12-31T23:59:59.000Z

    Large quantities of process water are produced during the extraction of bitumen from oil sands by the Syncrude and Suncor operations in northern Alberta. Freshly produced tailings water is acutely toxic, but it has been shown to slowly detoxify over time. As detoxification proceeds, there is also a precipitous decrease in ammonia concentrations. The present study examines these two microbially-mediated processes in relation to levels of bacteria and toxicants in mixtures of fresh and aged (detoxified) tailings water. Detoxification of tailings water was greatly accelerated when equal volumes of fresh and detoxified (natural aging for one year) tailings water were mixed. Addition of phosphorus further stimulated detoxification, causing levels of ammonia and naphthenic acids (toxic organic acids leached during bitumen extraction) to decrease to those of detoxified water within two months. Such changes were not observed when phosphorus was not added, or when it was added to less diluted (10-.1 or 3-.1) fresh tailings water. Populations of nitrifying bacteria and naphthenic acid degraders increased markedly in the phosphorus-amended mixtures, but not in its absence. Addition of CS{sub 2} (a specific inhibitor of nitrification) to these mixtures prevented ammonia oxidation. Surprisingly, it also prevented the increase in naphthenic acid-degraders and retarded the loss of naphthenic acids. These results suggest the existence of interactions in fresh tailings water between nitrifying bacteria, naphthenic acid degraders and toxicants. The activity of naphthenic acid-degraders apparently remains low until ammonia is oxidized, whereas that of nitrifying bacteria remains low until concentrations of naphthenic acids or other toxicants decrease below some threshold level. Understanding these interactions may lead to more efficient and effective processes to detoxify oil sands process water.

  5. A study of the factors affecting the sustainability of community managed rural water supply schemes in Sri Lanka

    E-Print Network [OSTI]

    Amerasinghe, Nishanthi Manjula

    2009-01-01T23:59:59.000Z

    Disparities in water supply coverage in urban and rural areas are high in developing countries, with rural coverage being much lower. The inability of governments to provide the service because of resource constraints, and ...

  6. Effects of Surface Treatments on Mechanical Properties and Water Resistance of Kenaf Fiber-Reinforced Unsaturated Polyester Composites

    SciTech Connect (OSTI)

    Ren, Xiaofeng; Qui, Renhui; Fifield, Leonard S.; Simmons, Kevin L.; li, Kaichang

    2012-05-17T23:59:59.000Z

    Effects of surface treatments on the strength and water resistance of kenaf fiber-reinforced unsaturated polyester (UPE) composites were investigated. A new coupling agent that consists of 1,6-diisocyanato-hexane (DIH) and 2-hydroxylethyl acrylate (HEA) was investigated for surface treatments of kenaf fibers. The surface treatments were found to significantly enhance the tensile strength, modulus of rupture, modulus of elasticity, and water resistance of the resulting kenaf UPE composites. Fourier transform infrared spectroscopy (FTIR) confirmed that DIH-HEA was covalently bonded onto kenaf fibers. Scanning electron microscopy (SEM) images of the composites revealed that chemical treatment of kenaf fibers with a combination of DIH and HEA improved the interfacial adhesion between kenaf fibers and UPE resin in the DIHHEA-treated kenafUPE composites. The mechanisms by which the chemical treatment of kenaf fiber surfaces improved strength and water resistance of the resulting kenaf UPE composites were discussed.

  7. The role of hydrophobic surfaces in altering water mediated peptide-petide interactions in an aqueous environment

    SciTech Connect (OSTI)

    Yoo, Soohaeng; Xantheas, Sotiris S.

    2011-06-16T23:59:59.000Z

    Using Born-Oppenheimer molecular dynamics within the density functional framework, we calculated the effective force acting on water-mediated peptide-peptide interaction between antiparallel ?-sheets in an aqueous environment and also in the vicinity of a hydrophobic surface. From the magnitude of the effective force (corresponding to the slope of the free energy as a function of the inter-peptide distance) and its sign (a negative value indicating an effective attraction whereas a positive value an effective repulsion) we can elucidate the fundamental differences of the water-mediated peptide-peptide interactions in those two environments. The computed effective forces indicate that the water-mediated interaction between peptides in an aqueous environment is attractive in the range of inter-peptide distance d=7-8 Å when hydrophobic surfaces are not nearby. Due to the stabilization of the water molecules bridging between the two beta-sheets, a free energy barrier exists between the direct and indirect (water-mediated) inter-peptide interactions. However, when the peptides are in the proximity of hydrophobic surfaces, this free energy barrier decreases because the hydrophobic surfaces enhance the inter-peptide attraction by the destabilization and ease-to-libration of the bridging water molecules between them. This work was supported by the Chemical Sciences, Geosciences and Biosciences Division, Office of Basic Energy Sciences, US Department of Energy. Battelle operates the Pacific Northwest National Laboratory for the U.S. Department of Energy.

  8. Superhydrophilic graphite surfaces and water-dispersible graphite colloids by electrochemical exfoliation

    SciTech Connect (OSTI)

    Li, Yueh-Feng [Department of Chemical and Materials Engineering, National Central University, Jhongli, 320 Taiwan (China)] [Department of Chemical and Materials Engineering, National Central University, Jhongli, 320 Taiwan (China); Chen, Shih-Ming; Lai, Wei-Hao [Materials and Chemical Research Laboratories, Industrial Technology Research Institute, Chutung, Hsinchu, 31040 Taiwan (China)] [Materials and Chemical Research Laboratories, Industrial Technology Research Institute, Chutung, Hsinchu, 31040 Taiwan (China); Sheng, Yu-Jane [Department of Chemical Engineering, National Taiwan University, Taipei, 106 Taiwan (China)] [Department of Chemical Engineering, National Taiwan University, Taipei, 106 Taiwan (China); Tsao, Heng-Kwong [Department of Chemical and Materials Engineering, Department of Physics, National Central University, Jhongli, 320 Taiwan (China)] [Department of Chemical and Materials Engineering, Department of Physics, National Central University, Jhongli, 320 Taiwan (China)

    2013-08-14T23:59:59.000Z

    Superhydrophilic graphite surfaces and water-dispersible graphite colloids are obtained by electrochemical exfoliation with hydrophobic graphite electrodes. Such counterintuitive characteristics are caused by partial oxidation and investigated by examining both graphite electrodes and exfoliated particles after electrolysis. The extent of surface oxidation can be explored through contact angle measurement, scanning electron microscope, electrical sheet resistance, x-ray photoelectron spectroscopy, zeta-potential analyzer, thermogravimetric analysis, UV-visible, and Raman spectroscopy. The degree of wettability of the graphite anode can be altered by the electrolytic current and time. The water contact angle declines generally with increasing the electrolytic current or time. After a sufficient time, the graphite anode becomes superhydrophilic and its hydrophobicity can be recovered by peeling with adhesive tape. This consequence reveals that the anodic graphite is oxidized by oxygen bubbles but the oxidation just occurs at the outer layers of the graphite sheet. Moreover, the characteristics of oxidation revealed by UV peak shift, peak ratio between D and G bands, and negative zeta-potential indicate the presence of graphite oxide on the outer shell of the exfoliated colloids. However, thermogravimetric analysis for the extent of decomposition of oxygen functional groups verifies that the amount of oxygen groups is significantly less than that of graphite oxide prepared via Hummer method. The structure of this partially oxidized graphite may consist of a graphite core covered with an oxidized shell. The properties of the exfoliated colloids are also influenced by pH of the electrolytic solution. As pH is increased, the extent of oxidation descends and the thickness of oxidized shell decreases. Those results reveal that the degree of oxidation of exfoliated nanoparticles can be manipulated simply by controlling pH.

  9. A dimension-breaking phenomenon for water waves with weak surface tension

    E-Print Network [OSTI]

    Mark D. Groves; Shu-Ming Sun; Erik Wahlén

    2014-11-10T23:59:59.000Z

    It is well known that the water-wave problem with weak surface tension has small-amplitude line solitary-wave solutions which to leading order are described by the nonlinear Schr\\"odinger equation. The present paper contains an existence theory for three-dimensional periodically modulated solitary-wave solutions which have a solitary-wave profile in the direction of propagation and are periodic in the transverse direction; they emanate from the line solitary waves in a dimension-breaking bifurcation. In addition, it is shown that the line solitary waves are linearly unstable to long-wavelength transverse perturbations. The key to these results is a formulation of the water wave problem as an evolutionary system in which the transverse horizontal variable plays the role of time, a careful study of the purely imaginary spectrum of the operator obtained by linearising the evolutionary system at a line solitary wave, and an application of an infinite-dimensional version of the classical Lyapunov centre theorem.

  10. Results of a baseflow tritium survey of surface water in Georgia across from the Savannah River Site

    SciTech Connect (OSTI)

    Nichols, R.L.

    1993-03-03T23:59:59.000Z

    In October 1991 the Georgia Department of Natural Resources (GDNR) issued a press release notifying the public that tritium had been measured in elevated levels (1,200 - 1,500 pCi/1) in water samples collected from drinking water wells in Georgia across from the Savannah River Site in Aiken Co. South Carolina. None of the elevated results were above the Primary Drinking Water Standard for tritium of 20,000 pCi/l. The GDNR initiated 2 surveys to determine the source and extent of elevated tritium: (1) baseflow survey of surface water quality, and (2) well evaluation program. Results from the 2 surveys indicate that the tritium measured in groundwater wells in Georgia is not the result of a groundwater flow from South Carolina under the Savannah River and into Georgia. Atmospheric transport and consequent rainout and infiltration has resulted in an increase of tritium in the water-table aquifer in the vicinity. Water samples collected from drinking water wells believed to have been installed in the aquifer beneath the water-table aquifer were actually from the shallower water-table aquifer. Water samples collected from the wells contain the amount of tritium expected for the water-table aquifer in the sample area. The measured tritium levels in the well samples and baseflow samples do not exceed Primary Drinking Water Standards. Tritium levels in the water-table in Georgia will decline as the atmospheric releases from SRS decline, tritium undergoes natural decay, and infiltration water with less tritium flushes through the subsurface.

  11. Biomimicry using Nano-Engineered Enhanced Condensing Surfaces for Sustainable Fresh Water Technology

    E-Print Network [OSTI]

    Al-Beaini, Sara

    2012-01-01T23:59:59.000Z

    gun. • A: Rinse with acetone, IPA, distilled water and thenMicrolab). • B: Rinse with IPA, distilled water and then dryC: Rinse with acetone, IPA, distilled water, dry o? with dry

  12. Modeling Urban Storm-Water Quality Treatment: Model Development and Application to a Surface Sand Filter

    E-Print Network [OSTI]

    water impacts has led us to the develop- ment of different storm-water treatment strategies. Previous knowledge regarding traditional water treatment systems drink- ing and wastewater and the evaluation

  13. E-Print Network 3.0 - agricultural surface waters Sample Search...

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

    systems (Hem, 1985). Irrigated agriculture can result in rising water tables, waterlogged soils... ; however, canals built in 4000 B.C. did not sufficiently drain excess water ......

  14. Biomimicry using Nano-Engineered Enhanced Condensing Surfaces for Sustainable Fresh Water Technology

    E-Print Network [OSTI]

    Al-Beaini, Sara

    2012-01-01T23:59:59.000Z

    renewable energy-powered technologies for fresh water supply to replace current energy-intensive water desalination techniques, especially for arid, developing countries.

  15. Wetland Water Cooling Partnership: The Use of Constructed Wetlands to Enhance Thermoelectric Power Plant Cooling and Mitigate the Demand of Surface Water Use

    SciTech Connect (OSTI)

    Apfelbaum, Steven; Duvall, Kenneth; Nelson, Theresa; Mensing, Douglas; Bengtson, Harlan; Eppich, John; Penhallegon, Clayton; Thompson, Ry

    2013-09-30T23:59:59.000Z

    Through the Phase I study segment of contract #DE-NT0006644 with the U.S. Department of Energy’s National Energy Technology Laboratory, Applied Ecological Services, Inc. and Sterling Energy Services, LLC (the AES/SES Team) explored the use of constructed wetlands to help address stresses on surface water and groundwater resources from thermoelectric power plant cooling and makeup water requirements. The project objectives were crafted to explore and develop implementable water conservation and cooling strategies using constructed wetlands (not existing, naturally occurring wetlands), with the goal of determining if this strategy has the potential to reduce surface water and groundwater withdrawals of thermoelectric power plants throughout the country. Our team’s exploratory work has documented what appears to be a significant and practical potential for augmenting power plant cooling water resources for makeup supply at many, but not all, thermoelectric power plant sites. The intent is to help alleviate stress on existing surface water and groundwater resources through harvesting, storing, polishing and beneficially re-using critical water resources. Through literature review, development of conceptual created wetland plans, and STELLA-based modeling, the AES/SES team has developed heat and water balances for conventional thermoelectric power plants to evaluate wetland size requirements, water use, and comparative cooling technology costs. The ecological literature on organism tolerances to heated waters was used to understand the range of ecological outcomes achievable in created wetlands. This study suggests that wetlands and water harvesting can provide a practical and cost-effective strategy to augment cooling waters for thermoelectric power plants in many geographic settings of the United States, particularly east of the 100th meridian, and in coastal and riverine locations. The study concluded that constructed wetlands can have significant positive ancillary socio-economic, ecosystem, and water treatment/polishing benefits when used to complement water resources at thermoelectric power plants. Through the Phase II pilot study segment of the contract, the project team partnered with Progress Energy Florida (now Duke Energy Florida) to quantify the wetland water cooling benefits at their Hines Energy Complex in Bartow, Florida. The project was designed to test the wetland’s ability to cool and cleanse power plant cooling pond water while providing wildlife habitat and water harvesting benefits. Data collected during the monitoring period was used to calibrate a STELLA model developed for the site. It was also used to inform management recommendations for the demonstration site, and to provide guidance on the use of cooling wetlands for other power plants around the country. As a part of the pilot study, Duke Energy is scaling up the demonstration project to a larger, commercial scale wetland instrumented with monitoring equipment. Construction is expected to be finalized in early 2014.

  16. Summary of ground water and surface water flow and contaminant transport computer codes used at the Idaho National Engineering Laboratory (INEL). Version 1.0

    SciTech Connect (OSTI)

    Bandy, P.J.; Hall, L.F.

    1993-03-01T23:59:59.000Z

    This report presents information on computer codes for numerical and analytical models that have been used at the Idaho National Engineering Laboratory (INEL) to model ground water and surface water flow and contaminant transport. Organizations conducting modeling at the INEL include: EG&G Idaho, Inc., US Geological Survey, and Westinghouse Idaho Nuclear Company. Information concerning computer codes included in this report are: agency responsible for the modeling effort, name of the computer code, proprietor of the code (copyright holder or original author), validation and verification studies, applications of the model at INEL, the prime user of the model, computer code description, computing environment requirements, and documentation and references for the computer code.

  17. Summary of ground water and surface water flow and contaminant transport computer codes used at the Idaho National Engineering Laboratory (INEL). [Contaminant transport computer codes

    SciTech Connect (OSTI)

    Bandy, P.J.; Hall, L.F.

    1993-03-01T23:59:59.000Z

    This report presents information on computer codes for numerical and analytical models that have been used at the Idaho National Engineering Laboratory (INEL) to model ground water and surface water flow and contaminant transport. Organizations conducting modeling at the INEL include: EG G Idaho, Inc., US Geological Survey, and Westinghouse Idaho Nuclear Company. Information concerning computer codes included in this report are: agency responsible for the modeling effort, name of the computer code, proprietor of the code (copyright holder or original author), validation and verification studies, applications of the model at INEL, the prime user of the model, computer code description, computing environment requirements, and documentation and references for the computer code.

  18. Y-12 Groundwater Protection Program Groundwater And Surface Water Sampling And Analysis Plan For Calendar Year 2014

    SciTech Connect (OSTI)

    none,

    2013-09-01T23:59:59.000Z

    This plan provides a description of the groundwater and surface water quality monitoring activities planned for calendar year (CY) 2014 at the U.S. Department of Energy (DOE) Y-12 National Security Complex (Y-12) that will be managed by the Y-12 Groundwater Protection Program (GWPP). Groundwater and surface water monitoring is performed by the GWPP during CY 2014 to achieve the following goals: 􀁸 to protect the worker, the public, and the environment; 􀁸 to maintain surveillance of existing and potential groundwater contamination sources; 􀁸 to provide for the early detection of groundwater contamination and determine the quality of groundwater and surface water where contaminants are most likely to migrate beyond the Oak Ridge Reservation property line; 􀁸 to identify and characterize long-term trends in groundwater quality at Y-12; and 􀁸 to provide data to support decisions concerning the management and protection of groundwater resources. Groundwater and surface water monitoring will be performed in three hydrogeologic regimes at Y-12.

  19. Water management studies in PEM fuel cells, part IV: Effects of channel surface wettability, geometry and orientation on the

    E-Print Network [OSTI]

    Kandlikar, Satish

    Water management studies in PEM fuel cells, part IV: Effects of channel surface wettability in the commercialization of proton exchange membrane fuel cells (PEMFCs) due to its association with the performance, cost-phase flow in parallel gas channels of proton exchange membrane fuel cells (PEMFCs) are investigated. Ex situ

  20. Recovery from acidification in European surface waters Hydrology and Earth System Sciences, 5(3), 283297 (2001) EGS

    E-Print Network [OSTI]

    Boyer, Edmond

    -Range Transboundary Air Pollution of the United Nations Economic Commission for Europe (UN-ECE). The first agreement) protocol, signed in 1999, incorporates additional air pollutants and is intended to bring a 63% reduction, the majority of surface waters (38 of 56) showed significant (p 0.05) decreasing trends in pollution

  1. Computeer-based decision support tools for evaluation of actions affecting flow and water quality in the San Joaquin Basin

    SciTech Connect (OSTI)

    Quinn, N.W.T.

    1993-01-01T23:59:59.000Z

    This document is a preliminary effort to draw together some of the important simulation models that are available to Reclamation or that have been developed by Reclamation since 1987. This document has also attempted to lay out a framework by which these models might be used both for the purposes for which they were originally intended and to support the analysis of other issues that relate to the hydrology and to salt and water quality management within the San Joaquin Valley. To be successful as components of a larger Decision Support System the models should to be linked together using custom designed interfaces that permit data sharing between models and that are easy to use. Several initiatives are currently underway within Reclamation to develop GIS - based and graphics - based decision support systems to improve the general level of understanding of the models currently in use, to standardize the methodology used in making planning and operations studies and to permit improved data analysis, interpretation and display. The decision support systems should allow greater participation in the planning process, allow the analysis of innovative actions that are currently difficult to study with present models and should lead to better integrated and more comprehensive plans and policy decisions in future years.

  2. Water Quality

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

    Water Quality Water Quality We protect water quality through stormwater control measures and an extensive network of monitoring wells and stations encompassing groundwater, surface...

  3. Distribution of copper, nickel, and cadmium in the surface waters of the North Atlantic and North Pacific Ocean

    SciTech Connect (OSTI)

    Boyle, E.A.; Huested, S.S.; Jones, S.P.

    1981-09-20T23:59:59.000Z

    Concentrations of copper, nickel, and cadmium have been determined for about 250 surface water samples. Nonupwelling open-ocean concentrations of these metals are Cu, 0.5-1.4 nmol/kg: Ni, 1-2 nmol/kg; and Cd, less than 10 pmol/kg. In the equatorial Pacific upwelling zone, concentrations of Ni (3 nmol/kg) and Cd (80 pmol/kg) are higher than in the open ocean, but Cu (0.9 nmol/kg) is not significantly enriched. Metal concentrations are higher in cool, nutrient-rich eastern boundary currents: Cu, 1.5 nmol/kg: Ni, 3.5 nmol/kg and Cd, 30-50 pmol/kg. Copper is distinctly higher in the coastal waters of the Gulf of Panama (3--4 nmol/kg) and also higher in the shelf waters north of the Gulf Stream (2.5 nmol/kg): these copper enrichments may be caused by copper remobilized from mildly reducing shelf sediments and maintained by a coastal nutrient trap. In the open ocean, events of high-Cu water (1.5--3.5 nmol/kg) are seen on scales up to 60 km; presumably, these are due to the advection of coastal water into the ocean interior. The lowest copper concentrations in the North Pacific central gyre (0.5 nmol/kg: (Bruland, 1980) are lower than in the Sargasso Sea (1.3 nmol/kg), while for nickel the lowest concentrations are 2 nmol/kg in both the North Pacific and the North Atlantic. Nickel and cadmium, while generally correlated with the nutrients in surface waters, show distinct regional changes in their element-nutrient correlations. The residual concentrations of trace metals in the surface waters of the ocean can be explained if biological discrimination against trace metals relative to phosphorus increases as productivity decreases.

  4. Threshold of trichloroethylene contamination in maternal drinking waters affecting fetal heart development in the rat. Environ Health Perspect 111(3):289?292

    E-Print Network [OSTI]

    Paula D. Johnson; Stanley J. Goldberg; Mary Z. Mays; Brenda V. Dawson

    2003-01-01T23:59:59.000Z

    Halogenated hydrocarbons such as trichloroethylene (TCE) are among the most common water supply contaminants in the United States and abroad. Epidemiologic studies have found an association but not a cause-and-effect relation between halogenated hydrocarbon contamination and increased incidence of congenital cardiac malformations or other defective birth outcomes. Avian and rat studies demonstrated statistically significant increases in the number of congenital cardiac malformations in those treated with high doses of TCE, either via intrauterine pump or in maternal drinking water, compared with controls. This study attempts to determine if there is a threshold dose exposure to TCE above which the developing heart is more likely to be affected. Sprague-Dawley rats were randomly placed in test groups and exposed to various concentrations of TCE (2.5 ppb, 250 ppb, 1.5 ppm, 1,100 ppm) in drinking water or distilled water (control group) throughout pregnancy. The percentage of abnormal hearts in the treated groups ranged from 0 to 10.48%, with controls having 2.1 % abnormal hearts, and the number of litters with fetuses with abnormal hearts ranged from 0 to 66.7%, and the control percentage was 16.4%. The data from this study indicate not only that there is a statistically significant probability overall of a dose response to increasing levels of TCE exposure, but also that this trend begins to manifest at relatively low levels of exposure (i.e., < 250 ppb). Maternal rats exposed to more than this level of TCE during pregnancy showed an associated increased incidence of cardiac malformations in their developing rat fetuses. Key words: cardiac malformations, cardiac teratogenicity, environmental contaminants, halogenated hydrocarbon, heart defects, heart development, TCE, trichloroethylene. Environ Health Perspect 111:289–292 (2003). doi:10.1289/ehp.5125 available via

  5. 2006 Nature Publishing Group Episodic fresh surface waters in the Eocene Arctic

    E-Print Network [OSTI]

    Jakobsson, Martin

    and heat supply owing to the influx of waters from adjacent oceans. We suggest that onset and termination

  6. Complex potential surface for the {sup 2}B{sub 1} metastable state of the water anion

    SciTech Connect (OSTI)

    Haxton, Daniel J.; Zhang, Zhiyong; McCurdy, C. William; Rescigno, Thomas N.

    2004-04-23T23:59:59.000Z

    The potential energy surface corresponding the complex resonance energy of the 2B1 Feshbach resonance state of the water anion is constructed in its full dimensionality. Complex Kohn variational scattering calculations are used to compute the resonance width, while large-scale Configuration Interaction calculations are used to compute the resonance energy. Near the equilibrium geometry, an accompanying ground state potential surface is constructed from Configuration Interaction calculations that treat correlation at a level similar to that used in the calculations on the anion.

  7. COMPARISON OF RESULTS FOR QUARTER 5 SURFACE WATER SPLIT SAMPLES COLLECTED AT THE NUCLEAR FUEL SERVICES SITE ERWIN TENNESSEE

    SciTech Connect (OSTI)

    none,

    2013-09-23T23:59:59.000Z

    Oak Ridge Associated Universities (ORAU), under the Oak Ridge Institute for Science and Education (ORISE) contract, collected split surface water samples with Nuclear Fuel Services (NFS) representatives on August 21, 2013. Representatives from the U.S. Nuclear Regulatory Commission (NRC) and the Tennessee Department of Environment and Conservation were also in attendance. Samples were collected at four surface water stations, as required in the approved Request for Technical Assistance number 11-018. These stations included Nolichucky River upstream (NRU), Nolichucky River downstream (NRD), Martin Creek upstream (MCU), and Martin Creek downstream (MCD). Both ORAU and NFS performed gross alpha and gross beta analyses, and the comparison of results using the duplicate error ratio (DER), also known as the normalized absolute difference, are tabulated. All DER values were less than 3 and results are consistent with low (e.g., background) concentrations.

  8. Removal of a liquid paraffin film from a water surface by short pulses from a CO{sub 2} laser

    SciTech Connect (OSTI)

    Antonova, L I; Drobyazko, S V; Evdokimov, I A; Krasyukov, A G; Likhanskii, V V; Loboiko, A I; Senatorov, Yu M [State Research Center of Russian Federation 'Troitsk Institute for Innovation and Fusion Research', Troitsk, Moscow Region (Russian Federation)

    2002-02-28T23:59:59.000Z

    The process of removal of a liquid paraffin film from a water surface irradiated by 40 - 270-{mu}s pulses from a CO{sub 2} laser is studied experimentally and theoretically. It is found for the first time that the mass of removed paraffin can exceed that of paraffin located in the region irradiated by the laser pulse. A theoretical model is proposed which explains the results obtained. (laser applications and other topics in quantum electronics)

  9. Multiobjective calibration and sensitivity of a distributed land surface water and energy balance model

    E-Print Network [OSTI]

    Houser, Paul R; Gupta, Hoshin V; Shuttleworth, W. James; Famiglietti, James S

    2001-01-01T23:59:59.000Z

    identification and energy balance models on a tallgrassdata for surface energy balance evaluation of a semiaridWatershed. We are energy balance components over a semiarid

  10. Biomimicry using Nano-Engineered Enhanced Condensing Surfaces for Sustainable Fresh Water Technology

    E-Print Network [OSTI]

    Al-Beaini, Sara

    2012-01-01T23:59:59.000Z

    Nomenclature specific heat capacity of liquid drop at (T i +surface [m] specific heat capacity of liquid drop at (T i +

  11. Groundwater Protection Program Calendar Year 1998 Evaluation of Groundwater and Surface Water Quality Data for the Bear Creek Hydrogeologic Regime at the U.S. Department of Energy Y-12 Plant, Oak Ridge, Tennessee

    SciTech Connect (OSTI)

    None

    1999-09-01T23:59:59.000Z

    This report presents an evaluation of the water quality monitoring data obtained by the Y-12 Plant Groundwater Protection Program (GWPP) in the Bear Creek Hydrogeologic Regime (Bear Creek Regime) during calendar year (CY) 1998. The Bear Creek Regime contains many confirmed and potential sources of groundwater and surface water contamination associated with the U.S. Department of Energy (DOE) Oak Ridge Y-12 Plant. Applicable provisions of DOE Order 5400.1A - General Environmental Protection Program - require evaluation of groundwater and surface water quality near the Y-12 Plant to: (1) gauge groundwater quality in areas that are, or could be, affected by plant operations, (2) determine the quality of surface water and groundwater where contaminants are most likely to migrate beyond the DOE Oak Ridge Reservation (ORR) property line, and (3) identify and characterize long-term trends in groundwater quality. The following sections of this report contain relevant background information (Section 2.0); describe the results of the respective data evaluations required under DOE Order 5400.1A (Section 3.0); summarize significant findings of each evaluation (Section 4.0); and list the technical reports and regulatory documents cited for more detailed information (Section 5.0). All of the figures (maps and trend graphs) and data tables referenced in each section are presented in Appendix A and Appendix B, respectively.

  12. Water distribution in the top 1 m of the earth's surface soil layer

    E-Print Network [OSTI]

    Hubbard, Susan

    the fruit instead of putting its energy into pro- ducing more vegetation. However, major water shortages can and quantity, the outlay of resources and energy concomitant with crop irrigation is critical in water-scarce regions. California, which accounts for 80% of the wine grape production in the United States and has

  13. Satellite Microwave remote sensing of contrasting surface water inundation changes within the ArcticBoreal Region

    E-Print Network [OSTI]

    Montana, University of

    -atmosphere water, energy and carbon (CO2, CH4) fluxes, and potential feedbacks to climate change. Here we report fractional open water (Fw) cover from the Advanced Microwave Scanning Radiometer for EOS (AMSR-E). The AMSR ) of regions above 49°N (Brown et al., 1998). Although permafrost is widespread at high latitudes due to low

  14. Surface water processes in the Indonesian Throughflow as documented by a high-resolution coral (Delta)14C record

    SciTech Connect (OSTI)

    Fallon, S J; Guilderson, T P

    2008-04-23T23:59:59.000Z

    To explore the seasonal to decadal variability in surface water masses that contribute to the Indonesian Throughflow we have generated a 115-year bi-monthly coral-based radiocarbon time-series from a coral in the Makassar Straits. In the pre-bomb (pre-1955) era from 1890 to 1954, the radiocarbon time series occasionally displays a small seasonal signal (10-15{per_thousand}). After 1954 the radiocarbon record increases rapidly, in response to the increased atmospheric {sup 14}C content caused by nuclear weapons testing. From 1957 to 1986 the record displays clear seasonal variability from 15 to 60{per_thousand} and the post-bomb peak (163 per mil) occurred in 1974. The seasonal cycle of radiocarbon can be attributed to variations of surface waters passing through South Makassar Strait. Southern Makassar is under the influence of the Northwest Monsoon, which is responsible for the high Austral summer radiocarbon (North Pacific waters) and the Southeast Monsoon that flushes back a mixture of low (South Pacific and upwelling altered) radiocarbon water from the Banda Sea. The coral record also shows a significant {sup 14}C peak in 1955 due to bomb {sup 14}C water advected into this region in the form of CaCO{sub 3} particles (this implies that the particles were advected intact and then become entrapped in the coral skeleton--is this what we really mean? Wouldn't even fine particles settle out over the inferred transit time from Bikini to MAK?) or water particles with dissolved labeled CO{sub 2} produced during fallout from the Castle tests in 1954.

  15. Characterization of the intragranular water regime within subsurface sediments: Pore volume, surface area, and mass transfer limitations

    SciTech Connect (OSTI)

    Hay, Michael B.; Stoliker, Deborah L.; Davis, James A.; Zachara, John M.

    2011-10-29T23:59:59.000Z

    Although 'intragranular' pore space within grain aggregates, grain fractures, and mineral 24 surface coatings may contain a relatively small fraction of the total porosity within a porous 25 medium, it often contains a significant fraction of the reactive surface area, and can thus strongly 26 affect the transport of sorbing solutes. In this work, we demonstrate a batch experiment 27 procedure using tritium and bromide as high-resolution diffusive tracers to characterize the 28 intragranular pore space. The method was tested using uranium-contaminated sediments from 29 the vadose and capillary fringe zones beneath the former 300A process ponds at the Hanford site 30 (Washington State, USA). Sediments were contacted with tracers in artificial groundwater, 31 followed by replacement of bulk solution with tracer-free groundwater and monitoring of tracer 32 release. From these data, intragranular pore volumes were calculated and mass transfer rates 33 were quantified using a multirate first-order mass transfer model. Tritium-hydrogen exchange 34 on surface hydroxyls was accounted for by conducting additional tracer experiments on sediment 35 that was vacuum dried after reaction. The complementary ('wet' and 'dry') techniques allowed 36 for the simultaneous determination of intragranular porosity and surface area using tritium. The 37 Hanford 300A samples exhibited intragranular pore volumes of {approx}1% of the solid volume and 38 intragranular surface areas of {approx}20-30% of the total surface area. Comparison with N2 gas 39 adsorption suggests that this pore space includes both 'micropores' (< 2 nm diameter) and 40 'mesopores' (> 2 nm). Intragranular porosity estimates obtained using bromide were 41 significantly smaller, likely due to anion exclusion of Br- from pores with negatively charged 42 surfaces.

  16. Daily Time Step Simulation with a Priority Order Based Surface Water Allocation Model

    E-Print Network [OSTI]

    Hoffpauir, Richard James

    2011-02-22T23:59:59.000Z

    Summaries of Water Rights at BRA Reservoirs for Scenarios 5.03, 5.05, 5.06, and 5.08 ............................................. 172 Table 5.18 Mean Shortage for Selected Run-of-river Water Rights for Scenarios 5.03, 5.05, 5.06, and 5... .............................................. 179 Table 5.24 Reliability Summaries of Water Rights at BRA Reservoirs for Scenarios 5.08 and 5.09 ................................................................ 180 Table 5.25 Mean Shortage and Volume Reliability for Selected Run...

  17. Y-12 Plant Groundwater Protection Program Groundwater and Surface Water sampling and Analysis Plan for Calendar Year 2000

    SciTech Connect (OSTI)

    None

    1999-09-01T23:59:59.000Z

    This plan provides a description of the groundwater and surface water quality monitoring activities planned for calendar year (CY) 2000 at the U.S. Department of Energy (DOE) Y-12 Plant that will be managed by tie Y-12 Plant Groundwater Protection Program (GWPP). Groundwater and surface water monitoring during CY 2000 will be performed in three hydrogeologic regimes at the Y-12 Plant: the Bear Creek Hydrogeologic Regime (Bear Creek Regime), the Upper East Fork Poplar Creek Hydrogeologic Regime (East Fork Regime), and the Chestnut Ridge Hydrogeologic Regime (Chestnut Ridge Regime). The Bear Creek and East Fork regimes are located in Bear Creek Valley, and the Chestnut Ridge Regime is located south of the Y-12 Plant (Figure 1). Groundwater and surface water monitoring performed under the auspices of the Y-12 Plant GWPP during CY 2000 will comply with: Tennessee Department of Environment and Conservation regulations governing detection monitoring at nonhazardous Solid Waste Disposal Facilities (SWDF); and DOE Order 5400.1 surveillance monitoring and exit pathway/perimeter monitoring. Some of the data collected for these monitoring drivers also will be used to meet monitoring requirements of the Integrated Water Quality Program, which is managed by Bechtel Jacobs Company LLC. Data from five wells that are monitored for SWDF purposes in the Chestnut Ridge Regime will be used to comply with requirements specified in the Resource Conservation and Recovery Act post closure permit regarding corrective action monitoring. Modifications to the CY 2000 monitoring program may be necessary during implementation. Changes in regulatory or programmatic requirements may alter the analytes specified for selected monitoring wells, or wells could be added or removed from the planned monitoring network. All modifications to the monitoring program will be approved by the Y-12 Plant GWPP manager and documented as addenda to this sampling and analysis plan.

  18. Control, Prevention, and Abatement of Pollution of Surface Waters (North Dakota)

    Broader source: Energy.gov [DOE]

    It is the policy of North Dakota to protect, maintain, and improve the quality of the waters in the state, and to require necessary and reasonable treatment of sewage, industrial, or other wastes....

  19. Estimation of land surface water and energy balance flux components and closure relation using conditional sampling

    E-Print Network [OSTI]

    Farhadi, Leila

    2012-01-01T23:59:59.000Z

    Models of terrestrial water and energy balance include numerical treatment of heat and moisture diffusion in the soil-vegetation-atmosphere continuum. These two diffusion and exchange processes are linked only at a few ...

  20. Incorporating and Evaluating Environmental Instream Flows in a Priority Order Based Surface Water Allocation Model

    E-Print Network [OSTI]

    Pauls, Mark

    2014-03-18T23:59:59.000Z

    multi-objective optimization model to characterize the tradeoffs between water supply shortages and fish 10 population capacity in a stream on the west-slope of the Sierra Nevada mountain range. Harman and Stewardson (2005) evaluated a range...

  1. Water table recovery in a reclaimed surface lignite mine, Grimes County, Texas

    E-Print Network [OSTI]

    Peace, Kelley H.

    1995-01-01T23:59:59.000Z

    Water table recovery in four reclaimed mine blocks containing replaced overburden has been monitored at Gibbons Creek Lignite Mine in Grimes County, Texas since 1986. Recovery analysis was conducted based on data recorded at 27 wells installed...

  2. Biomimicry using Nano-Engineered Enhanced Condensing Surfaces for Sustainable Fresh Water Technology

    E-Print Network [OSTI]

    Al-Beaini, Sara

    2012-01-01T23:59:59.000Z

    Nanotube Forests”. In: Nano Letters 3 (2003), p. 1701. [37]Namib Desert Beetle”. In: Nano Letters 6.6 (2006), pp. 1213–Surface Energy”. In: ACS Nano 3.7 (2009), pp. 1703–1710. [

  3. Effects of Micro/Nano-Scale Surface Characteristics on the Leidenfrost Point Temperature of Water

    E-Print Network [OSTI]

    Hu, Lin-Wen

    In recent film boiling heat transfer studies with nanofluids, it was reported that deposition of nanoparticles on a surface significantly increases the nominal minimum heat flux (MHF) or Leidenfrost Point (LFP) temperature, ...

  4. User`s Guide: Database of literature pertaining to the unsaturated zone and surface water-ground water interactions at the Idaho National Engineering Laboratory

    SciTech Connect (OSTI)

    Hall, L.F.

    1993-05-01T23:59:59.000Z

    Since its beginnings in 1949, hydrogeologic investigations at the Idaho National Engineering Laboratory (INEL) have resulted in an extensive collection of technical publications providing information concerning ground water hydraulics and contaminant transport within the unsaturated zone. Funding has been provided by the Department of Energy through the Department of Energy Idaho Field Office in a grant to compile an INEL-wide summary of unsaturated zone studies based on a literature search. University of Idaho researchers are conducting a review of technical documents produced at or pertaining to the INEL, which present or discuss processes in the unsaturated zone and surface water-ground water interactions. Results of this review are being compiled as an electronic database. Fields are available in this database for document title and associated identification number, author, source, abstract, and summary of information (including types of data and parameters). AskSam{reg_sign}, a text-based database system, was chosen. WordPerfect 5.1{copyright} is being used as a text-editor to input data records into askSam.

  5. Y-12 Groundwater Protection Program Groundwater and Surface water Sampling and Analysis Plan for Calendar Year 2006

    SciTech Connect (OSTI)

    N /A

    2006-01-01T23:59:59.000Z

    This plan provides a description of the groundwater and surface water quality monitoring activities planned for calendar year (CY) 2006 at the U.S. Department of Energy (DOE) Y-12 National Security Complex (Y-12) that will be managed by the Y-12 Groundwater Protection Program (GWPP). Groundwater and surface water monitoring performed by the GWPP during CY 2006 will be in accordance with DOE Order 540.1 requirements and the following goals: {sm_bullet} to maintain surveillance of existing and potential groundwater contamination sources; {sm_bullet} to provide for the early detection of groundwater contamination and determine the quality of groundwater and surface water where contaminants are most likely to migrate beyond the Oak Ridge Reservation property line; {sm_bullet} to identify and characterize long-term trends in groundwater quality at Y-12; and ! to provide data to support decisions concerning the management and protection of groundwater resources. Groundwater and surface water monitoring during CY 2006 will be performed primarily in three hydrogeologic regimes at Y-12: the Bear Creek Hydrogeologic Regime (Bear Creek Regime), the Upper East Fork Poplar Creek Hydrogeologic Regime (East Fork Regime), and the Chestnut Ridge Hydrogeologic Regime (Chestnut Ridge Regime). The Bear Creek and East Fork regimes are located in Bear Creek Valley, and the Chestnut Ridge Regime is located south of Y-12 (Figure A.1). Additional surface water monitoring will be performed north of Pine Ridge, along the boundary of the Oak Ridge Reservation (Figure A.1). Modifications to the CY 2006 monitoring program may be necessary during implementation. Changes in programmatic requirements may alter the analytes specified for selected monitoring wells or may add or remove wells from the planned monitoring network. All modifications to the monitoring program will be approved by the Y-12 GWPP manager and documented as addenda to this sampling and analysis plan. The following sections of this report provide details regarding the CY 2006 groundwater and surface water monitoring activities. Section 2 describes the monitoring locations in each regime and the processes used to select the sampling locations. A description of the field measurements and laboratory analytes is provided in Section 3; sample collection methods and procedures are described in Section 4; and Section 5 lists the documents cited for more detailed operational and technical information. The narrative sections of the report reference several appendices. Figures (maps and diagrams) and tables (excluding data summary tables presented in the narrative sections) are in Appendix A and Appendix B, respectively. The monitoring frequency and selection criteria for each sampling location is in Appendix C. Laboratory requirements (bottle lists, holding times, etc.) are provided in Appendix D. If issued, addenda to this plan will be inserted in Appendix E, and Groundwater Monitoring Schedules (when issued) will be inserted in Appendix F. Guidance for managing purged groundwater is provided in Appendix G.

  6. Y-12 Groundwater Protection Program Groundwater And Surface Water Sampling And Analysis Plan For Calendar Year 2011

    SciTech Connect (OSTI)

    Elvado Environmental LLC

    2010-12-01T23:59:59.000Z

    This plan provides a description of the groundwater and surface water quality monitoring activities planned for calendar year (CY) 2011 at the U.S. Department of Energy (DOE) Y-12 National Security Complex (Y-12) that will be managed by the Y-12 Groundwater Protection Program (GWPP). Groundwater and surface water monitoring performed by the GWPP during CY 2011 will be in accordance with requirements of DOE Order 540.1A and the following goals: (1) to protect the worker, the public, and the environment; (2) to maintain surveillance of existing and potential groundwater contamination sources; (3) to provide for the early detection of groundwater contamination and determine the quality of groundwater and surface water where contaminants are most likely to migrate beyond the Oak Ridge Reservation property line; (4) to identify and characterize long-term trends in groundwater quality at Y-12; and (5) to provide data to support decisions concerning the management and protection of groundwater resources. Groundwater and surface water monitoring during CY 2011 will be performed primarily in three hydrogeologic regimes at Y-12: the Bear Creek Hydrogeologic Regime (Bear Creek Regime), the Upper East Fork Poplar Creek Hydrogeologic Regime (East Fork Regime), and the Chestnut Ridge Hydrogeologic Regime (Chestnut Ridge Regime). The Bear Creek and East Fork regimes are located in Bear Creek Valley and the Chestnut Ridge Regime is located south of Y-12 (Figure A.1). Additional surface water monitoring will be performed north of Pine Ridge along the boundary of the Oak Ridge Reservation. Modifications to the CY 2011 monitoring program may be necessary during implementation. Changes in programmatic requirements may alter the analytes specified for selected monitoring wells or may add or remove wells from the planned monitoring network. All modifications to the monitoring program will be approved by the Y-12 GWPP manager and documented as addenda to this sampling and analysis plan. The following sections of this report provide details regarding the CY 2011 groundwater and surface water monitoring activities. Section 2 describes the monitoring locations in each regime and the processes used to select the sampling locations. A description of the field measurements and laboratory analytes is provided in Section 3. Sample collection methods and procedures are described in Section 4, and Section 5 lists the documents cited for more detailed operational and technical information. The narrative sections of the report reference several appendices. Figures (maps and diagrams) and tables (excluding data summary tables presented in the narrative sections) are in Appendix A and Appendix B, respectively. Groundwater Monitoring Schedules (when issued throughout CY 2011) will be inserted in Appendix C, and addenda to this plan (if issued) will be inserted in Appendix D. Laboratory requirements (bottle lists, holding times, etc.) are provided in Appendix E, and an approved Waste Management Plan is provided in Appendix F.

  7. Y-12 Groundwater Protection Program Groundwater And Surface Water Sampling And Analysis Plan For Calendar Year 2012

    SciTech Connect (OSTI)

    Elvado Environmental, LLC

    2011-09-01T23:59:59.000Z

    This plan provides a description of the groundwater and surface water quality monitoring activities planned for calendar year (CY) 2012 at the U.S. Department of Energy (DOE) Y-12 National Security Complex (Y-12) that will be managed by the Y-12 Groundwater Protection Program (GWPP). Groundwater and surface water monitoring performed by the GWPP during CY 2012 is in accordance with the following goals: (1) to protect the worker, the public, and the environment; (2) to maintain surveillance of existing and potential groundwater contamination sources; (3) to provide for the early detection of groundwater contamination and determine the quality of groundwater and surface water where contaminants are most likely to migrate beyond the Oak Ridge Reservation property line; (4) to identify and characterize long-term trends in groundwater quality at Y-12; and (5) to provide data to support decisions concerning the management and protection of groundwater resources. Groundwater and surface water monitoring will be performed in three hydrogeologic regimes at Y-12: the Bear Creek Hydrogeologic Regime (Bear Creek Regime), the Upper East Fork Poplar Creek Hydrogeologic Regime (East Fork Regime), and the Chestnut Ridge Hydrogeologic Regime (Chestnut Ridge Regime). The Bear Creek and East Fork regimes are located in Bear Creek Valley and the Chestnut Ridge Regime is located south of Y-12 (Figure A.1). Additional surface water monitoring will be performed north of Pine Ridge along the boundary of the Oak Ridge Reservation. Modifications to the CY 2012 monitoring program may be necessary during implementation. Changes in programmatic requirements may alter the analytes specified for selected monitoring wells or may add or remove wells from the planned monitoring network. Each modification to the monitoring program will be approved by the Y-12 GWPP manager and documented as an addendum to this sampling and analysis plan. The following sections of this report provide details regarding the CY 2012 groundwater and surface water monitoring activities. Section 2 describes the monitoring locations in each regime and the processes used to select the sampling locations. A description of the field measurements and laboratory analytes is provided in Section 3. Sample collection methods and procedures are described in Section 4, and Section 5 lists the documents cited for more detailed operational and technical information. The narrative sections of the report reference several appendices. Figures (maps and diagrams) and tables (excluding a data summary table presented in Section 4) are in Appendix A and Appendix B, respectively. Groundwater Monitoring Schedules (when issued throughout CY 2012) will be inserted in Appendix C, and addenda to this plan (if issued) will be inserted in Appendix D. Laboratory requirements (bottle lists, holding times, etc.) are provided in Appendix E, and an approved Waste Management Plan is provided in Appendix F.

  8. A common supersolid low-density skin sliperizing ice and toughening water surface

    E-Print Network [OSTI]

    Xi Zhang; Yongli Huang; Zengsheng Ma; Yichun Zhou; Weitao Zheng; Ji Zhou; Chang Q. Sun

    2014-08-15T23:59:59.000Z

    Skins of water and ice share the same attribute of supersolidity characterized by the identical H-O vibration frequency of 3450 cm-1. Molecular undercoordination and inter-electron-pair repulsion shortens the H-O bond and lengthen the O:H nonbond, leading to a dual process of nonbonding electron polarization. This relaxation-polarization process enhances the dipole moment, elasticity,viscosity, thermal stability of these skins with 25% density loss, which is responsible for the hydrophobicity and toughness of water skin and for the slippery of ice.

  9. The detection and modelling of surface thermal structures and ground water discharges

    E-Print Network [OSTI]

    Roberts, Douglas Vincent

    1985-01-01T23:59:59.000Z

    Montana and northern Idaho. The infrared imagery was collected in the 8. 5 to 11, 7 um region and recorded on film negative and magnetic tape. Sections of the film record were digitized using a vidicon camera to facilitate its digital image processing... over a water body for influx of 'thermal poilu . ants', such as ground water or power plant effluents, which are at a different temperature than the receiving body. In fact, the data collected by the sensor displays a nearly instantaneous record...

  10. Economic Implications of Farmer Storage of Surface Water in Federal Projects: Elephant Butte Irrigahon District, Dona Ana and Sierra Counties, New Mexico

    E-Print Network [OSTI]

    Ellis, J. R.; Teague, P. W.; Lacewell, R. D.

    allocation of surface water given the 1 and 3 foot groundwater limitations. These streams of net returns were valued in 1980 dollars allowing comparison among the alternative scenarios. Differences between the various returns streams for each groundwater...

  11. Gas exchange in terrestrial environments comes at the cost of evaporative water loss from respiratory surfaces.

    E-Print Network [OSTI]

    Franz, Nico M.

    3477 Gas exchange in terrestrial environments comes at the cost of evaporative water loss from of gas exchange, both within and among species (Lighton, 1998; Shelton and Appel, 2001; Chown, 2002). The classical pattern is that of discontinuous gas exchange, or discontinuous gas-exchange cycles (DGC; Lighton

  12. Effect of composition on adsorption of water on perfect olivine surfaces

    E-Print Network [OSTI]

    Deymier, Pierre

    Department of Chemistry, University College London, UK 3 Department of Material Science and Engineering, USA be a viable source of water in the terrestrial planets. Gases coexist with dust in the accretion disk for long cycle C.H. STIRLING Department of Chemistry, University of Otago, Dunedin, New Zealand (cstirling

  13. 4, 30553085, 2007 Winter climate affects

    E-Print Network [OSTI]

    Boyer, Edmond

    HESSD 4, 3055­3085, 2007 Winter climate affects long-term trends in stream water nitrate H. A. de and Earth System Sciences Winter climate affects long-term trends in stream water nitrate in acid Winter climate affects long-term trends in stream water nitrate H. A. de Wit et al. Title Page Abstract

  14. Ab Initio Study of the Interaction of Water with Cluster Models of the Aluminum Terminated (0001) r-Aluminum Oxide Surface

    E-Print Network [OSTI]

    Schlegel, H. Bernhard

    Ab Initio Study of the Interaction of Water with Cluster Models of the Aluminum Terminated (0001) r-Aluminum to hydroxylation of the aluminum terminated surface, the two water process was found to be the most exothermic, occurring within 10-2 s. I. Introduction As one of the most important ceramic materials, R-aluminum oxide

  15. Surface Plasmon Resonance (SPR) Reflectance Imaging: A Label-Free/Real-Time Mapping of Microscale Mixture Concentration Fields (Water+Ethanol)

    E-Print Network [OSTI]

    Kihm, IconKenneth David

    Mixture Concentration Fields (Water+Ethanol) Iltai Kim and Kenneth D. Kihm Department of Mechanical (water+ethanol) concentration fields with surface plasmon resonance (SPR) reflectance technique based the refractive index and mixture concentration fields. The presented results show that ethanol penetrates

  16. COMPARISON OF RESULTS FOR QUARTER 2 SURFACE WATER SPLIT SAMPLES COLLECTED AT THE NUCLEAR FUEL SERVICES SITE, ERWIN, TENNESSEE

    SciTech Connect (OSTI)

    none,

    2013-01-21T23:59:59.000Z

    Oak Ridge Associated Universities (ORAU), under the Oak Ridge Institute for Science and Education (ORISE) contract, collected split surface water samples with Nuclear Fuel Services (NFS) representatives on November 15, 2012. Representatives from the U.S. Nuclear Regulatory Commission and Tennessee Department of Environment and Conservation were also in attendance. Samples were collected at four surface water stations, as required in the approved Request for Technical Assistance number 11-018. These stations included Nolichucky River upstream (NRU), Nolichucky River downstream (NRD), Martin Creek upstream (MCU), and Martin Creek downstream (MCD). Both ORAU and NFS performed gross alpha and gross beta analyses, and the results are compared using the duplicate error ratio (DER), also known as the normalized absolute difference. A DER {<=} 3 indicates that, at a 99% confidence interval, split sample results do not differ significantly when compared to their respective one standard deviation (sigma) uncertainty (ANSI N42.22). The NFS split sample report does not specify the confidence level of reported uncertainties (NFS 2012). Therefore, standard two sigma reporting is assumed and uncertainty values were divided by 1.96. In conclusion, all DER values were less than 3 and results are consistent with low (e.g., background) concentrations.

  17. Hawaii Application for Surface Water Use Permit for Proposed New Use in a

    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 CenterFranconia, Virginia: Energy Resources Jump to: navigation,Ohio:Greer County is8584°,HardyIowaHaskellHaverstraw,Designated Surface

  18. Abstracts and parameter index database for reports pertaining to the unsaturated zone and surface water-ground water interactions at the Idaho National Engineering Laboratory

    SciTech Connect (OSTI)

    Bloomsburg, G.; Finnie, J.; Horn, D.; King, B.; Liou, J. [Idaho Univ., Moscow, ID (United States)

    1993-05-01T23:59:59.000Z

    This report is a product generated by faculty at the University of Idaho in support of research and development projects on Unsaturated Zone Contamination and Transport Processes, and on Surface Water-Groundwater Interactions and Regional Groundwater Flow at the Idaho National Engineering Laboratory. These projects are managed by the State of Idaho`s INEL Oversight Program under a grant from the US Department of Energy. In particular, this report meets project objectives to produce a site-wide summary of hydrological information based on a literature search and review of field, laboratory and modeling studies at INEL, including a cross-referenced index to site-specific physical, chemical, mineralogic, geologic and hydrologic parameters determined from these studies. This report includes abstracts of 149 reports with hydrological information. For reports which focus on hydrological issues, the abstracts are taken directly from those reports; for reports dealing with a variety of issues beside hydrology, the abstracts were generated by the University of Idaho authors concentrating on hydrology-related issues. Each abstract is followed by a ``Data`` section which identifies types of technical information included in a given report, such as information on parameters or chemistry, mineralogy, stream flows, water levels. The ``Data`` section does not include actual values or data.

  19. Recent Approaches to Modeling Transport of Mercury in Surface Water and Groundwater - Case Study in Upper East Fork Poplar Creek, Oak Ridge, TN - 13349

    SciTech Connect (OSTI)

    Bostick, Kent; Daniel, Anamary [Professional Project Services, Inc., Bethel Valley Road, Oak Ridge, TN, 37922 (United States)] [Professional Project Services, Inc., Bethel Valley Road, Oak Ridge, TN, 37922 (United States); Tachiev, Georgio [Florida International University, Applied Research Center 10555 W. Flagler St., EC 2100 Miami Florida 33174 (United States)] [Florida International University, Applied Research Center 10555 W. Flagler St., EC 2100 Miami Florida 33174 (United States); Malek-Mohammadi, Siamak [Bradley University, 413A Jobst Hall, Preoria, IL 61625 (United States)] [Bradley University, 413A Jobst Hall, Preoria, IL 61625 (United States)

    2013-07-01T23:59:59.000Z

    In this case study, groundwater/surface water modeling was used to determine efficacy of stabilization in place with hydrologic isolation for remediation of mercury contaminated areas in the Upper East Fork Poplar Creek (UEFPC) Watershed in Oak Ridge, TN. The modeling simulates the potential for mercury in soil to contaminate groundwater above industrial use risk standards and to contribute to surface water contamination. The modeling approach is unique in that it couples watershed hydrology with the total mercury transport and provides a tool for analysis of changes in mercury load related to daily precipitation, evaporation, and runoff from storms. The model also allows for simulation of colloidal transport of total mercury in surface water. Previous models for the watershed only simulated average yearly conditions and dissolved concentrations that are not sufficient for predicting mercury flux under variable flow conditions that control colloidal transport of mercury in the watershed. The transport of mercury from groundwater to surface water from mercury sources identified from information in the Oak Ridge Environmental Information System was simulated using a watershed scale model calibrated to match observed daily creek flow, total suspended solids and mercury fluxes. Mercury sources at the former Building 81-10 area, where mercury was previously retorted, were modeled using a telescopic refined mesh with boundary conditions extracted from the watershed model. Modeling on a watershed scale indicated that only source excavation for soils/sediment in the vicinity of UEFPC had any effect on mercury flux in surface water. The simulations showed that colloidal transport contributed 85 percent of the total mercury flux leaving the UEFPC watershed under high flow conditions. Simulation of dissolved mercury transport from liquid elemental mercury and adsorbed sources in soil at former Building 81-10 indicated that dissolved concentrations are orders of magnitude below a target industrial groundwater concentration beneath the source and would not influence concentrations in surface water at Station 17. This analysis addressed only shallow concentrations in soil and the shallow groundwater flow path in soil and unconsolidated sediments to UEFPC. Other mercury sources may occur in bedrock and transport though bedrock to UEFPC may contribute to the mercury flux at Station 17. Generally mercury in the source areas adjacent to the stream and in sediment that is eroding can contribute to the flux of mercury in surface water. Because colloidally adsorbed mercury can be transported in surface water, actions that trap colloids and or hydrologically isolate surface water runoff from source areas would reduce the flux of mercury in surface water. Mercury in soil is highly adsorbed and transport in the groundwater system is very limited under porous media conditions. (authors)

  20. Determination of Large-Scale Cloud Ice Water Concentration by Combining Surface Radar and Satellite Data in Support of ARM SCM Activities

    SciTech Connect (OSTI)

    Liu, Guosheng

    2013-03-15T23:59:59.000Z

    Single-column modeling (SCM) is one of the key elements of Atmospheric Radiation Measurement (ARM) research initiatives for the development and testing of various physical parameterizations to be used in general circulation models (GCMs). The data required for use with an SCM include observed vertical profiles of temperature, water vapor, and condensed water, as well as the large-scale vertical motion and tendencies of temperature, water vapor, and condensed water due to horizontal advection. Surface-based measurements operated at ARM sites and upper-air sounding networks supply most of the required variables for model inputs, but do not provide the horizontal advection term of condensed water. Since surface cloud radar and microwave radiometer observations at ARM sites are single-point measurements, they can provide the amount of condensed water at the location of observation sites, but not a horizontal distribution of condensed water contents. Consequently, observational data for the large-scale advection tendencies of condensed water have not been available to the ARM cloud modeling community based on surface observations alone. This lack of advection data of water condensate could cause large uncertainties in SCM simulations. Additionally, to evaluate GCMsâ�� cloud physical parameterization, we need to compare GCM results with observed cloud water amounts over a scale that is large enough to be comparable to what a GCM grid represents. To this end, the point-measurements at ARM surface sites are again not adequate. Therefore, cloud water observations over a large area are needed. The main goal of this project is to retrieve ice water contents over an area of 10 x 10 deg. surrounding the ARM sites by combining surface and satellite observations. Built on the progress made during previous ARM research, we have conducted the retrievals of 3-dimensional ice water content by combining surface radar/radiometer and satellite measurements, and have produced 3-D cloud ice water contents in support of cloud modeling activities. The approach of the study is to expand a (surface) point measurement to an (satellite) area measurement. That is, the study takes the advantage of the high quality cloud measurements (particularly cloud radar and microwave radiometer measurements) at the point of the ARM sites. We use the cloud ice water characteristics derived from the point measurement to guide/constrain a satellite retrieval algorithm, then use the satellite algorithm to derive the 3-D cloud ice water distributions within an 10�° (latitude) x 10�° (longitude) area. During the research period, we have developed, validated and improved our cloud ice water retrievals, and have produced and archived at ARM website as a PI-product of the 3-D cloud ice water contents using combined satellite high-frequency microwave and surface radar observations for SGP March 2000 IOP and TWP-ICE 2006 IOP over 10 deg. x 10 deg. area centered at ARM SGP central facility and Darwin sites. We have also worked on validation of the 3-D ice water product by CloudSat data, synergy with visible/infrared cloud ice water retrievals for better results at low ice water conditions, and created a long-term (several years) of ice water climatology in 10 x 10 deg. area of ARM SGP and TWP sites and then compared it with GCMs.

  1. Bridge scour evaluation with a one-dimensional water surface profile model

    E-Print Network [OSTI]

    Zhou, Ke

    2012-06-07T23:59:59.000Z

    neglected. Later, Laursen (1962) modified equation (18) and presented the following equa; tions for estimating the long contraction scour at bridge piers for live ? bed scour ? = 5. 5( ? ) [( ? + 1)' ? I] (19) and for clear-water scour b D (~+1) ~ ? =5... whose support lea. d me to the completion. Also, a. special note of thanks to all my friends for their support. vi TABLE OF CONTENTS Pa. ge I INTRODUCTION . I. 1 Genera. l I. 2 General Category of Scour I. 3 The Objectives of This Research II...

  2. Literature and data review for the surface-water pathway: Columbia River and adjacent coastal areas

    SciTech Connect (OSTI)

    Walters, W.H.; Dirkes, R.L.; Napier, B.A.

    1992-04-01T23:59:59.000Z

    As part of the Hanford Environmental Dose Reconstruction Project, Pacific Northwest Laboratory reviewed literature and data on radionuclide concentrations and distribution in the water, sediment, and biota of the Columbia River and adjacent coastal areas. Over 600 documents were reviewed including Hanford reports, reports by offsite agencies, journal articles, and graduate theses. Certain radionuclide concentration data were used in preliminary estimates of individual dose for the 1964--1966 time period. This report summarizes the literature and database review and the results of the preliminary dose estimates.

  3. 5 CCR 1002-31 Basic Standards and Methodologies for Surface Water

    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 Home5b9fcbce19 NoPublic Utilities Address: 160 East 300 SouthWater Rights, Substantive Jump to:Species |2008 |44

  4. Manmade organic compounds in the surface waters of the United States: A review of current understanding

    SciTech Connect (OSTI)

    Smith, J.A.; Witkowski, P.J.; Fusillo, T.V.

    1990-01-01T23:59:59.000Z

    On the basis of their aqueous solubilities, nonionic organic compounds partition themselves between water, dissolved organic matter, particulate organic matter, and the lipid reservoirs of aquatic organisms. Ionized organic compounds can be adsorbed to sediments, thereby reducing their aqueous concentrations. Transformation processes of photolysis, hydrolysis, biodegradation, and volatilization can attenuate organic compounds, and attenuation rates commonly follow a first-order kinetic process. Eight groups of manmade organic compounds are discussed: (1) polychlorinated biphenyls and organochlorine insecticides; (2) carbamate and organophosphorus; (3) herbicides; (4) phenols; (5) halogenated aliphatic and monocyclic aromatic hydrocarbons; (6) phthalate esters; (7) polychlorinated dibenzo-p-dioxins, and (8) polycyclic aromatic hydrocarbons. For each compound group, data pertaining to use, production, and properties are presented and discussed. Process that influence the environmental fate of each group, as determined primarily through laboratory studies, are reviewed, and important fate process are identified. Environmental concentrations of compounds from each group in water, biota, and sediment are given to demonstrate representative values for comparison to concentrations determined during ongoing research. Finally, where sufficient data exist, regional and temporal contamination trends in the US are discussed. 699 refs., 26 figs., 47 tabs.

  5. Effects of land disposal of municipal sewage sludge on soil, streambed sediment, and ground- and surface-water quality at a site near Denver, Colorado

    SciTech Connect (OSTI)

    Gaggiani, N.G.

    1991-01-01T23:59:59.000Z

    The report describes the effects of burial and land application of municipal sewage sludge on soil and streambed sediment and water quality in the underlying aquifers and surface water within and around the Lowry sewage-sludge-disposal area. The existing ground-water observation-well network at the disposal area was expanded for the study. Surface-water-sampling sites were selected so that runoff could be sampled from intense rainstorms or snowmelt. The sampling frequency for ground-water and surface-water runoff was changed from yearly to quarterly, and soil samples were collected. Four years of data were collected from 1984 to 1987 during the expanded monitoring program at the Lowry sewage-sludge-disposal area. These data, in addition to the data collected by the U.S. Geological Survey from 1981 to 1983, were used to determine effects of sewage-sludge-disposal on soil and streambed sediment and surface- and ground-water quality at the disposal area.

  6. Water Footprint | Argonne National Laboratory

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

    Footprint Blue water represents water withdrawn from surface water and groundwater for feedstock irrigation and refinery processing. Blue water represents water withdrawn from...

  7. Preliminary study of the potential environmental concerns associated with surface waters and geothermal development of the Valles Caldera

    SciTech Connect (OSTI)

    Langhorst, G.J.

    1980-06-01T23:59:59.000Z

    A preliminary evaluation is presented of possible and probable problems that may be associated with hydrothermal development of the Valles Caldera Known Geothermal Resource Area (KGRA), with specific reference to surface waters. Because of the history of geothermal development and its associated environmental impacts, this preliminary evaluation indicates the Valles Caldera KGRA will be subject to these concerns. Although the exact nature and size of any problem that may occur is not predictable, the baseline data accumulated so far have delineated existing conditions in the streams of the Valles Caldera KGRA. Continued monitoring will be necessary with the development of geothermal resources. Further studies are also needed to establish guidelines for geothermal effluents and emissions.

  8. COMPARISON OF RESULTS FOR QUARTER 4 SURFACE WATER SPLIT SAMPLES COLLECTED AT THE NUCLEAR FUELS SERVICES SITE, ERWIN, TN

    SciTech Connect (OSTI)

    none,

    2013-08-15T23:59:59.000Z

    Oak Ridge Associated Universities (ORAU), under the Oak Ridge Institute for Science and Education (ORISE) contract, collected split surface water samples with Nuclear Fuel Services (NFS) representatives on June 12, 2013. Representatives from the U.S. Nuclear Regulatory Commission (NRC) and the Tennessee Department of Environment and Conservation were also in attendance. Samples were collected at four surface water stations, as required in the approved Request for Technical Assistance number 11-018. These stations included Nolichucky River upstream (NRU), Nolichucky River downstream (NRD), Martin Creek upstream (MCU), and Martin Creek downstream (MCD). Both ORAU and NFS performed gross alpha and gross beta analyses, and Table 1 presents the comparison of results using the duplicate error ratio (DER), also known as the normalized absolute difference. A DER ≤ 3 indicates at a 99% confidence interval that split sample results do not differ significantly when compared to their respective one standard deviation (sigma) uncertainty (ANSI N42.22). The NFS split sample report specifies 95% confidence level of reported uncertainties (NFS 2013). Therefore, standard two sigma reporting values were divided by 1.96. In conclusion, most DER values were less than 3 and results are consistent with low (e.g., background) concentrations. The gross beta result for sample 5198W0014 was the exception. The ORAU gross beta result of 6.30 ? 0.65 pCi/L from location NRD is well above NFS?s non-detected result of 1.56 ? 0.59 pCi/L. NFS?s data package includes no detected result for any radionuclide at location NRD. At NRC?s request, ORAU performed gamma spectroscopic analysis of sample 5198W0014 to identify analytes contributing to the relatively elevated gross beta results. This analysis identified detected amounts of naturally-occurring constituents, most notably Ac-228 from the thorium decay series, and does not suggest the presence of site-related contamination.

  9. COMPARISON OF RESULTS FOR QUARTER 1 SURFACE WATER SPLIT SAMPLES COLLECTED AT THE NUCLEAR FUEL SERVICES SITE ERWIN, TENNESSEE

    SciTech Connect (OSTI)

    David A. King, CHP, PMP

    2012-10-10T23:59:59.000Z

    Oak Ridge Associated Universities (ORAU), under the Oak Ridge Institute for Science and Education (ORISE) contract, collected split surface water samples with Nuclear Fuel Services (NFS) representatives on August 22, 2012. Representatives from the U.S. Nuclear Regulatory Commission and Tennessee Department of Environment and Conservation were also in attendance. Samples were collected at four surface water stations, as required in the approved Request for Technical Assistance number 11-018. These stations included Nolichucky River upstream (NRU), Nolichucky River downstream (NRD), Martin Creek upstream (MCU), and Martin Creek downstream (MCD). Both ORAU and NFS performed gross alpha and gross beta analyses. The comparison of results using the duplicate error ratio (DER), also known as the normalized absolute difference. A DER ? 3 indicates that, at a 99% confidence interval, split sample results do not differ significantly when compared to their respective one standard deviation (sigma) uncertainty. The NFS split sample report does not specify the confidence level of reported uncertainties. Therefore, standard two sigma reporting is assumed and uncertainty values were divided by 1.96. A comparison of split sample results, using the DER equation, indicates one set with a DER greater than 3. A DER of 3.1 is calculated for gross alpha results from ORAU sample 5198W0003 and NFS sample MCU-310212003. The ORAU result is 0.98 ± 0.30 pCi/L (value ± 2 sigma) compared to the NFS result of -0.08 ± 0.60 pCi/L. Relatively high DER values are not unexpected for low (e.g., background) analyte concentrations analyzed by separate laboratories, as is the case here. It is noted, however, NFS uncertainties are at least twice the ORAU uncertainties, which contributes to the elevated DER value. Differences in ORAU and NFS minimum detectable activities are even more pronounced. comparison of ORAU and NFS split samples produces reasonably consistent results for low (e.g., background) concentrations.

  10. Surface Environmental Surveillance Project: Locations Manual Volume 1 – Air and Water Volume 2 – Farm Products, Soil & Vegetation, and Wildlife

    SciTech Connect (OSTI)

    Fritz, Brad G.; Patton, Gregory W.; Stegen, Amanda; Poston, Ted M.

    2009-01-01T23:59:59.000Z

    This report describes all environmental monitoring locations associated with the Surface Environmental Surveillance Project. Environmental surveillance of the Hanford site and surrounding areas is conducted by the Pacific Northwest National Laboratory (PNNL) for the U.S. Department of Energy (DOE). Sampling is conducted to evaluate levels of radioactive and nonradioactive pollutants in the Hanford environs, as required in DOE Order 450.1, Environmental Protection Program, and DOE Order 5400.5, Radiation Protection of the Public and the Environment. The environmental surveillance sampling design is described in the Hanford Site Environmental Monitoring Plan, United States Department of Energy, Richland Operation Office (DOE/RL-91-50). This document contains the locations of sites used to collect samples for the Surface Environmental Surveillance Project (SESP). Each section includes directions, maps, and pictures of the locations. A general knowledge of roads and highways on and around the Hanford Site is necessary to successfully use this manual. Supplemental information (Maps, Gazetteer, etc.) may be necessary if user is unfamiliar with local routes. The SESP is a multimedia environmental surveillance effort to measure the concentrations of radionuclides and chemicals in environmental media to demonstrate compliance with applicable environmental quality standards and public exposure limits, and assessing environmental impacts. Project personnel annually collect selected samples of ambient air, surface water, agricultural products, fish, wildlife, and sediments. Soil and vegetation samples are collected approximately every 5 years. Analytical capabilities include the measurement of radionuclides at very low environmental concentrations and, in selected media, nonradiological chemicals including metals, anions, volatile organic compounds, and total organic carbon.

  11. The significance of organic carbon and sediment surface area to the benthic biogeochemistry of the slope and deep water environments of the northern Gulf of Mexico

    E-Print Network [OSTI]

    Beazley, Melanie J.

    2004-09-30T23:59:59.000Z

    at the Geochemical & Environmental Research Group for map construction. I thank Dr. Andreas Luttge and Dr. Rolf Arvidson at Rice University for use of the surface area analyzer. Dr. Luis Cifuentes and Brian Jones at Texas A&M University provided equipment.... ______________ This thesis follows the style and format of Geochimica et Cosmochimica Acta. 2 As the detritus sinks through the water it is subject to break down, or remineralization, by bacterial activity releasing dissolved nutrients to the water...

  12. Genesis and evolution of surface species during Pt atomic layer deposition on oxide supports characterized by in-situ XAFS analysis and water-gas shift reaction.

    SciTech Connect (OSTI)

    Setthapun, W.; Williams, W.; Kim, S.; Feng, H.; Elam, J.; Rabuffetti, F.; Poeppelmeier, K.; Stair, P.; Stach, E.; Ribeiro, F.; Miller, J.; Marshall, C.; Northwestern Univ.; Purdue Univ.

    2010-06-03T23:59:59.000Z

    Platinum atomic layer deposition (ALD) using MeCpPtMe{sub 3} was employed to prepare high loadings of uniform-sized, 1-2 nm Pt nanoparticles on high surface area Al{sub 2}O{sub 3}, TiO{sub 2}, and SrTiO{sub 3} supports. X-ray absorption fine structure was utilized to monitor the changes in the Pt species during each step of the synthesis. The temperature, precursor exposure time, treatment gas, and number of ALD cycles were found to affect the Pt particle size and density. Lower-temperature MeCpPtMe{sub 3} adsorption yielded smaller particles due to reduced thermal decomposition. A 300 C air treatment of the adsorbed MeCpPtMe{sub 3} leads to PtO. In subsequent ALD cycles, the MeCpPtMe{sub 3} reduces the PtO to metallic Pt in the ratio of one precursor molecule per PtO. A 200 C H{sub 2} treatment of the adsorbed MeCpPtMe{sub 3} leads to the formation of 1-2 nm, metallic Pt nanoparticles. During subsequent ALD cycles, MeCpPtMe{sub 3} adsorbs on the support, which, upon reduction, yields additional Pt nanoparticles with a minimal increase in size of the previously formed nanoparticles. The catalysts produced by ALD had identical water-gas shift reaction rates and reaction kinetics to those of Pt catalysts prepared by standard solution methods. ALD synthesis of catalytic nanoparticles is an attractive method for preparing novel model and practical catalysts.

  13. Water at Hydrophobic Surfaces: When Weaker Is Better Dennis K. Hore, Dave S. Walker, and Geraldine L. Richmond*

    E-Print Network [OSTI]

    Richmond, Geraldine L.

    ) or with carbon tetrachloride, dichlo- romethane, or chloroform. The organic models and associated point charges interfaces. Air-water (black), carbon tetrachloride-water (red), chloroform-water (blue), and dichloromethane

  14. COMPARISON OF RESULTS FOR QUARTER 3 SURFACE WATER SPLIT SAMPLES COLLECTED AT THE NUCLEAR FUEL SERVICES SITE, ERWIN, TENNESSEE

    SciTech Connect (OSTI)

    none,

    2013-05-28T23:59:59.000Z

    Oak Ridge Associated Universities (ORAU), under the Oak Ridge Institute for Science and Education (ORISE) contract, collected split surface water samples with Nuclear Fuel Services (NFS) representatives on March 20, 2013. Representatives from the U.S. Nuclear Regulatory Commission and the Tennessee Department of Environment and Conservation were also in attendance. Samples were collected at four surface water stations, as required in the approved Request for Technical Assistance number 11-018. These stations included Nolichucky River upstream (NRU), Nolichucky River downstream (NRD), Martin Creek upstream (MCU), and Martin Creek downstream (MCD). Both ORAU and NFS performed gross alpha and gross beta analyses, and Table 1 presents the comparison of results using the duplicate error ratio (DER), also known as the normalized absolute difference. A DER {<=} 3 indicates that at a 99% confidence interval, split sample results do not differ significantly when compared to their respective one standard deviation (sigma) uncertainty (ANSI N42.22). The NFS split sample report does not specify the confidence level of reported uncertainties (NFS 2013). Therefore, standard two sigma reporting is assumed and uncertainty values were divided by 1.96. In conclusion, most DER values were less than 3 and results are consistent with low (e.g., background) concentrations. The gross beta result for sample 5198W0012 was the exception. The ORAU result of 9.23 {+-} 0.73 pCi/L from location MCD is well above NFS?s result of -0.567 {+-} 0.63 pCi/L (non-detected). NFS?s data package included a detected result for U-233/234, but no other uranium or plutonium detection, and nothing that would suggest the presence of beta-emitting radionuclides. The ORAU laboratory reanalyzed sample 5198W0012 using the remaining portion of the sample volume and a result of 11.3 {+-} 1.1 pCi/L was determined. As directed, the laboratory also counted the filtrate using gamma spectrometry analysis and identified only naturally occurring or ubiquitous man-made constituents, including beta emitters that are presumably responsible for the elevated gross beta values.

  15. Chemical and Isotopic Composition and Gas Concentrations of Ground Water and Surface Water from Selected Sites At and Near the Idaho National Engineering and Environmental Laboratory, Idaho, 1994-97

    SciTech Connect (OSTI)

    E. Busenberg; L. N. Plummer; M. W. Doughten; P. K. Widman; R. C. Bartholomay (USGS)

    2000-05-30T23:59:59.000Z

    >From May 1994 through May 1997, the US Geological Survey, in cooperation with the US Department of Energy, collected water samples from 86 wells completed in the Snake River Plain aquifer at and near the Idaho National Engineering and Environmental Laboratory. The samples were analyzed for a variety of chemical constituents including all major elements and 22 trace elements. Concentrations of scandium, yttrium, and the lanthanide series were measured in samples from 11 wells and 1 hot spring. The data will be used to determine the fraction of young water in the ground water. The fraction of young water must be known to calculate the ages of ground water using chlorofluorocarbons. The concentrations of the isotopes deuterium, oxygen-18, carbon-13, carbon-14, and tritium were measured in many ground water, surface-water and spring samples. The isotopic composition will provide clues to the origin and sources of water in the Snake River Plain aquifer. Concentrations ! of helium-3 , helium-4, total helium, and neon were measured in most groundwater samples, and the results will be used to determine the recharge temperature, and to date the ground waters.

  16. Groundwater and surface water supplies in the Williston and Powder River structural basins are necessary for future development in these regions. To help determine

    E-Print Network [OSTI]

    Torgersen, Christian

    #12;i Abstract Groundwater and surface water supplies in the Williston and Powder River structural of streams, and quantify reservoir interaction in the Williston and Powder River structural basins the loss to underlying aquifers was 7790 ft3 /s. Both the Powder River and Williston basins contain gaining

  17. Surface Rheology of Monolayers of Poly(1-alkylene-co-maleic acid) at the Air/Water Interface: Surface Light Scattering Studies

    E-Print Network [OSTI]

    Kim, Chanjoong

    Institute and State UniVersity, Blacksburg, Virginia 24061; and Agricultural Products, BASF shown to produce a wide range of surface viscoelastic films, from an elasticity-dominant film to a viscosity-dominant film. On the other hand, in the semidilute surface mass density regime, the film

  18. Time-resolved surface infrared spectroscopy during atomic layer deposition of TiO{sub 2} using tetrakis(dimethylamido)titanium and water

    SciTech Connect (OSTI)

    Sperling, Brent A., E-mail: brent.sperling@nist.gov; Hoang, John; Kimes, William A.; Maslar, James E. [Chemical Sciences Division, National Institute of Standards and Technology, 100 Bureau Dr., Stop 8320, Gaithersburg, Maryland 20899-8320 (United States); Steffens, Kristen L. [Biomolecular Measurement Division, National Institute of Standards and Technology, 100 Bureau Dr., Stop 8362, Gaithersburg, Maryland 20899-8362 (United States); Nguyen, Nhan V. [Semiconductor and Dimensional Metrology Division, National Institute of Standards and Technology, 100 Bureau Dr., Stop 8120, Gaithersburg, Maryland 20899-8120 (United States)

    2014-05-15T23:59:59.000Z

    Atomic layer deposition of titanium dioxide using tetrakis(dimethylamido)titanium (TDMAT) and water vapor is studied by reflection-absorption infrared spectroscopy (RAIRS) with a time resolution of 120?ms. At 190?°C and 240?°C, a decrease in the absorption from adsorbed TDMAT is observed without any evidence of an adsorbed product. Ex situ measurements indicate that this behavior is not associated with an increase in the impurity concentration or a dramatic change in the growth rate. A desorbing decomposition product is consistent with these observations. RAIRS also indicates that dehydroxylation of the growth surface occurs only among one type of surface hydroxyl groups. Molecular water is observed to remain on the surface and participates in reactions even at a relatively high temperature (110?°C) and with long purge times (30?s)

  19. Inorganic and organic carbon variations in surface water, Konza prairie LTER site, USA, and Maolan karst experimental site, China

    E-Print Network [OSTI]

    Liu, Huan

    2014-05-31T23:59:59.000Z

    at the Maolan Karst Experimental (Maolan) Site, China. For the stream at the Konza LTER site, little variation in water chemistry was observed among the upstream, midstream and downstream locations, indicating the groundwater and stream water chemistry...

  20. Understanding Spatio-Temporal Variability and Associated Physical Controls of Near-Surface Soil Moisture in Different Hydro-Climates

    E-Print Network [OSTI]

    Joshi, Champa

    2013-05-06T23:59:59.000Z

    Near-surface soil moisture is a key state variable of the hydrologic cycle and plays a significant role in the global water and energy balance by affecting several hydrological, ecological, meteorological, geomorphologic, and other natural processes...

  1. The 6th International Symposium on Gas Transfer at Water Surfaces Kyoto, Japan, May 17-21, 2010

    E-Print Network [OSTI]

    Garbe, Christoph S.

    of a wind wave, including the generation of parasitic capillary ripples on the wind-ward surface and the formation of along-wind vortex pairs asso- ciated with the nonlinear interaction between the surface waves periodic, along-wind eddies. In contrast to the well-known surface-renewal model, the non

  2. The Freshening of Surface Waters in High Latitudes: Effects on the Thermohaline and Wind-Driven Circulations

    E-Print Network [OSTI]

    to freshen over the next few decades should polar ice caps melt or should precipitation increase in those re involves meridional overturning, but its variations and critical transitions affect mainly the Tropics of the critical parameters that affect the relative strength of the two circulation components and hence

  3. Strategies for Compliance with Stage 2 Disinfectants and Disinfection Byproducts Rule for Surface Water Treatment Facilities in Northeastern Oklahoma.

    E-Print Network [OSTI]

    Wintle, Brian N.

    2012-01-01T23:59:59.000Z

    ??The Environmental Protection Agency (EPA) recently created new regulations that better protect human health but that also make achieving compliance more difficult for existing water… (more)

  4. Estimations of the extent of migration of surficially applied water for various surface conditions near the potential repository perimeter; Yucca Mountain Site Characterization Project

    SciTech Connect (OSTI)

    Sobolik, S.R.; Fewell, M.E.

    1993-12-01T23:59:59.000Z

    The Yucca Mountain Site Characterization Project is studying Yucca Mountain in southwestern Nevada as a potential site for a high-level nuclear waste repository. Site characterization includes surface-based and underground testing. Analyses have been performed to support the design of site characterization activities so to have minimal impact on the ability of the site to isolate waste, and on tests performed as part of the characterization process. Two examples of site characterization activities are the construction of an Exploratory Studies Facility, which may include underground shafts, drifts, and ramps, and surface-based testing activities, which may require borehole drilling, excavation of test pits, and road watering for dust control. The information in this report pertains to two-dimensional numerical calculations modeling the movement of surficially applied water and the potential effects of that water on repository performance and underground experiments. This document contains information that has been used in preparing recommendations for two Yucca Mountain Site Characterization Project documents: Appendix I of the Exploratory Studies Facility Design Requirements document, and the Surface-Based Testing Field Requirements Document.

  5. MEASUREMENTS OF PAST 14C LEVELS AND 13C/12C RATIOS IN THE SURFACE WATERS OF THE WORLD'S SUBPOLAR OCEANS.

    SciTech Connect (OSTI)

    Brown, T A

    2010-04-22T23:59:59.000Z

    Under this project we have developed methods that allow the reconstruction of past {sup 14}C levels of the surface waters of the subpolar North Pacific Ocean by measuring the {sup 14}C contents of archived salmon scales. The overall goal of this research was to reduce of the uncertainty in the uptake of fossil CO{sub 2} by the oceans and thereby improve the quantification of the global carbon cycle and to elucidate the fate of anthropogenic CO{sub 2}. Ocean General Circulation Models (OGCMs), with their three dimensional global spatial coverage and temporal modeling capabilities, provide the best route to accurately calculating the total uptake of CO{sub 2} by the oceans and, hence, to achieving the desired reduction in uncertainty. {sup 14}C has played, and continues to play, a central role in the validation of the OGCMs calculations, particularly with respect to those model components which govern the uptake of CO{sub 2} from the atmosphere and the transport of this carbon within the oceans. Under this project, we have developed time-series records of the {sup 14}C levels of the surface waters of three areas of the subpolar North Pacific Ocean. As the previously available data on the time-history of oceanic surface water {sup 14}C levels are very limited, these time-series records provide significant new {sup 14}C data to constrain and validate the OGCMs.

  6. E-Print Network 3.0 - affecting soil fauna Sample Search Results

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

    on florafauna or human health; *affect on landscape and natural... result in : *air pollution; *soil and water pollution; *affect on florafauna or human health; *affect... ......

  7. E-Print Network 3.0 - affecting soil loss Sample Search Results

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

    affected by salts, especially sodium (Na), and soils affected by fluctuating high water tables... that affect rooting. Rooting problems can be caused by-- abrupt...

  8. Materials for light-induced water splitting: In situ controlled surface preparation of GaPN epilayers grown lattice-matched on Si(100)

    SciTech Connect (OSTI)

    Supplie, Oliver, E-mail: oliver.supplie@tu-ilmenau.de [Technische Universität Ilmenau, Institut für Physik, Gustav-Kirchhoff-Str. 5, 98684 Ilmenau (Germany); Helmholtz-Zentrum Berlin, Institute for Solar Fuels, Hahn-Meitner-Platz 1, 14109 Berlin (Germany); Humboldt-Universität zu Berlin, Institut für Physik, Newtonstr. 15, 12489 Berlin (Germany); May, Matthias M.; Stange, Helena [Helmholtz-Zentrum Berlin, Institute for Solar Fuels, Hahn-Meitner-Platz 1, 14109 Berlin (Germany); Humboldt-Universität zu Berlin, Institut für Physik, Newtonstr. 15, 12489 Berlin (Germany); Höhn, Christian [Helmholtz-Zentrum Berlin, Institute for Solar Fuels, Hahn-Meitner-Platz 1, 14109 Berlin (Germany); Lewerenz, Hans-Joachim [Helmholtz-Zentrum Berlin, Institute for Solar Fuels, Hahn-Meitner-Platz 1, 14109 Berlin (Germany); California Institute of Technology, Joint Center for Artificial Photosynthesis, 1200 East California Boulevard, Pasadena, California 91125 (United States); Hannappel, Thomas [Technische Universität Ilmenau, Institut für Physik, Gustav-Kirchhoff-Str. 5, 98684 Ilmenau (Germany); Helmholtz-Zentrum Berlin, Institute for Solar Fuels, Hahn-Meitner-Platz 1, 14109 Berlin (Germany)

    2014-03-21T23:59:59.000Z

    Energy storage is a key challenge in solar-driven renewable energy conversion. We promote a photochemical diode based on dilute nitride GaPN grown lattice-matched on Si(100), which could reach both high photovoltaic efficiencies and evolve hydrogen directly without external bias. Homoepitaxial GaP(100) surface preparation was shown to have a significant impact on the semiconductor-water interface formation. Here, we grow a thin, pseudomorphic GaP nucleation buffer on almost single-domain Si(100) prior to GaPN growth and compare the GaP{sub 0.98}N{sub 0.02}/Si(100) surface preparation to established P- and Ga-rich surfaces of GaP/Si(100). We apply reflection anisotropy spectroscopy to study the surface preparation of GaP{sub 0.98}N{sub 0.02} in situ in vapor phase epitaxy ambient and benchmark the signals to low energy electron diffraction, photoelectron spectroscopy, and x-ray diffraction. While the preparation of the Ga-rich surface is hardly influenced by the presence of the nitrogen precursor 1,1-dimethylhydrazine (UDMH), we find that stabilization with UDMH after growth hinders well-defined formation of the V-rich GaP{sub 0.98}N{sub 0.02}/Si(100) surface. Additional features in the reflection anisotropy spectra are suggested to be related to nitrogen incorporation in the GaP bulk.

  9. Chapter 10 Water Quality Standards (Kentucky)

    Broader source: Energy.gov [DOE]

    This administrative regulation establishes procedures to protect the surface waters of the Commonwealth, and thus protect water resources. It states the designated uses of surface water and...

  10. Mitigation, Adaptation, Uncertainty -- Growing Water

    E-Print Network [OSTI]

    Felsen, Martin; Dunn, Sarah

    2008-01-01T23:59:59.000Z

    system for harvesting and returning clean water to Lakeharvesting for landscape and species health, and surface water and

  11. A shallow water model for the numerical simulation of overland flow on surfaces with ridges and furrows

    E-Print Network [OSTI]

    induces problems at watershed scale for soil conservation (decrease of soil thickness by erosion, nutrient (drinking water) and sustainability of aquatic ecosystems (chemical pollution). These troubles can be prevented by watershed management. Improving watershed management in relationships with overland flow

  12. Seasonal and interannual differences in surface chlorophyll stocks and integrated water column chlorophyll stocks in the northeastern Gulf of Mexico

    E-Print Network [OSTI]

    Fletcher, William Wallerich

    2005-11-01T23:59:59.000Z

    stations, but also strongly affects offshore stations and extends as far eastward as 84 o W longitude. There is no direct correlation between river flow and freshwater abundance within the study area for the summer cruises. Summer, 1999 (N6) has a...

  13. Correlation between Charge State of Insulating NaCl Surfaces and Ionic Mobility Induced by Water Adsorption: A Combined Ambient Pressure X-ray Photoelectron Spectroscopy and Scanning Force Microscopy Study

    SciTech Connect (OSTI)

    Verdaguer, Albert; Jose Segura, Juan; Fraxedas, Jordi; Bluhm, Hendrik; Salmeron, Miquel

    2008-09-03T23:59:59.000Z

    In situ ambient pressure X-ray photoelectron spectroscopy (APPES) and scanning force microscopy were used to characterize the surface discharge induced by water layers grown on (001) surfaces of sodium chloride single crystals. The APPES studies show that both kinetic energy (KE) and full width at half-maximum (FWHM) of the Na 2s and Cl 2p core level peaks, monitored as a function of relative humidity (RH), mimic surface conductivity curves measured using scanning force microscopy. The KE position and FWHM of the core level peaks therefore are directly related to the solvation and diffusion of ions at the NaCl(100) surface upon adsorption of water.

  14. E-Print Network 3.0 - affected granular soils Sample Search Results

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

    platy, prismlike, and blocklike (see Figure 3... ). Soil structure affects soil water movement when a soil is saturated with water. Water can move quickly... between...

  15. Site characterization summary report for dry weather surface water sampling upper East Fork Poplar Creek characterization area Oak Ridge Y-12 Plant, Oak Ridge, Tennessee

    SciTech Connect (OSTI)

    NONE

    1996-08-01T23:59:59.000Z

    This report describes activities associated with conducting dry weather surface water sampling of Upper East Fork Poplar Creek (UEFPC) at the Oak Ridge Y-12 Plant, Oak Ridge, Tennessee. This activity is a portion of the work to be performed at UEFPC Operable Unit (OU) 1 [now known as the UEFPC Characterization Area (CA)], as described in the RCRA Facility Investigation Plan for Group 4 at the Oak- Ridge Y-12 Plant, Oak Ridge, Tennessee and in the Response to Comments and Recommendations on RCRA Facility Investigation Plan for Group 4 at the Oak Ridge Y-12 Plant, Oak Ridge, Tennessee, Volume 1, Operable Unit 1. Because these documents contained sensitive information, they were labeled as unclassified controlled nuclear information and as such are not readily available for public review. To address this issue the U.S. Department of Energy (DOE) published an unclassified, nonsensitive version of the initial plan, text and appendixes, of this Resource Conservation and Recovery Act (RCRA) Facility Investigation (RFI) Plan in early 1994. These documents describe a program for collecting four rounds of wet weather and dry weather surface water samples and one round of sediment samples from UEFPC. They provide the strategy for the overall sample collection program including dry weather sampling, wet weather sampling, and sediment sampling. Figure 1.1 is a schematic flowchart of the overall sampling strategy and other associated activities. A Quality Assurance Project Plan (QAPJP) was prepared to specifically address four rounds of dry weather surface water sampling and one round of sediment sampling. For a variety of reasons, sediment sampling has not been conducted and has been deferred to the UEFPC CA Remedial Investigation (RI), as has wet weather sampling.

  16. Controlling ice nucleation through surface hydrophilicity

    E-Print Network [OSTI]

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

    2015-01-08T23:59:59.000Z

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

  17. Sensitivity study of borehole-to-surface and crosswell electromagnetic measurements acquired with energized steel casing to water

    E-Print Network [OSTI]

    Torres-Verdín, Carlos

    with energized steel casing to water displacement in hydrocarbon-bearing layers David Pardo1 , Carlos Torres- gized steel casing in the presence of subsurface variations of electrical resistivity. Casing- gized steel casing are performed with a goal-oriented hp- adaptive finite-element method

  18. Combined use of passive sampling and in vitro bioassays for the detection of emerging pollutants in surface water

    E-Print Network [OSTI]

    Boyer, Edmond

    , the monitoring of environmental contaminants in water use discrete sampling but it gives an incomplete picture: nicolas.creusot@ineris.fr 1. Introduction River systems are contaminated by various chemicals, including), progestagen (PR) receptors...] have been shown to be activated by environmental ligands like pesticides

  19. Water bathing synthesis of high-surface-area nanocrystal-assembled SnO{sub 2} particles

    SciTech Connect (OSTI)

    Masuda, Yoshitake, E-mail: masuda-y@aist.go.jp [National Institute of Advanced Industrial Science and Technology (AIST), 2266-98 Anagahora, Shimoshidami, Moriyama-ku, Nagoya 463-8560 (Japan); Ohji, Tatsuki; Kato, Kazumi [National Institute of Advanced Industrial Science and Technology (AIST), 2266-98 Anagahora, Shimoshidami, Moriyama-ku, Nagoya 463-8560 (Japan)

    2012-05-15T23:59:59.000Z

    Nanocrystal assembled SnO{sub 2} particles were synthesized in aqueous solutions. The particles showed high BET surface area of 276 m{sup 2}/g. It was much higher than that of our previous studies. BJH analyses indicated that the particles had pores of about 2-5 nm. The particles included two kinds of morphologies. The first particles were about 300-1000 nm in diameter, which were assemblies of acicular crystals of 5-10 nm in width and 100-200 nm in length. They contributed high BET surface area. The second particles were about 10,000-3000 nm in diameter, which were assemblies of ellipse crystals of 100-200 in width and 200-400 nm in length. The ellipse crystals consisted of sheet crystals. They connected with a certain angle and arranged their long direction parallel. - Graphical abstract: Acicular crystal assembled SnO{sub 2} particles and ellipse crystal assembled SnO{sub 2} particles were synthesized in the aqueous solutions. They showed high BET surface area of 276 m{sup 2}/g. Highlights: Black-Right-Pointing-Pointer Unique SnO{sub 2} nanocrystals were synthesized in an aqueous solution. Black-Right-Pointing-Pointer They were acicular crystals and ellipse crystals. Black-Right-Pointing-Pointer They had high BET surface area of 276 m{sup 2}/g.

  20. VOLUME 80, NUMBER 4 P H Y S I C A L R E V I E W L E T T E R S 26 JANUARY 1998 Mixed Dissociative and Molecular Adsorption of Water on the Rutile (110) Surface

    E-Print Network [OSTI]

    - istry at oxide surfaces is of central importance. Titanium dioxide, widely used in powder form and Molecular Adsorption of Water on the Rutile (110) Surface Philip J. D. Lindan and N. M. Harrison Daresbury dissociative adsorption which would be predicted from studies at lower coverage. The proposed mixed adsorption

  1. Leaching action of EJ-13 water on unirradiated UO{sub 2} surfaces under unsaturated conditions at 90{degree}C: Interim report

    SciTech Connect (OSTI)

    Wronkiewicz, D.J.; Bates, J.K.; Gerding, T.J.; Veleckis, E.; Tani, B.S.

    1991-07-01T23:59:59.000Z

    A set of experiments, based on the application of the Unsaturated Test method to the reaction of UO{sub 2} with EJ-13 water, has been conducted over a period of 182.5 weeks. One half of the experiments have been terminated, while one half are still ongoing. Solutions that have dripped from UO{sub 2} specimens have been analyzed for all experiments, while the reacted UO{sub 2} surfaces have been examined for only the terminated experiments. A pulse of uranium release from the UO{sub 2} solid, in conjunction with the formation of dehydrated schoepite on the surface of the UO{sub 2}, was observed during the 39- to 96-week period. Thereafter, the uranium release decreased and a second set of secondary phases was observed. The latter phases incorporate cations from the EJ-13 water and include boltwoodite, uranophane, sklodowskite, compreignacite, and schoepite. The experiments are being continued to monitor for additional changes in solution composition and secondary phase formation, and have now reached the 319-week period. 9 refs., 17 figs., 25 tabs.

  2. USGS Professional Paper 1703--Ground-Water Recharge in the Arid and Semiarid Southwestern United States--

    E-Print Network [OSTI]

    water at the land surface can occur at discreet locations, such as in stream channels, or be distributed on temperature include viscosity, density, and surface tension, all of which affect hydraulic conductivity the sun, radiant cooling into space, and evapotranspi- ration, in addition to the advective and conductive

  3. The geology, ground water, and surface subsidence of the Baytown-La Porte area, Harris County, Texas

    E-Print Network [OSTI]

    Gray, Eddie Vaughn

    2012-06-07T23:59:59.000Z

    intezbedded in them. The sand layers have thin laminae of clay interbedded in them also The alternating sands snd cIaps of the Lkssie formation can be diuided into two units, the upper one containing more claP snd the lover one mox'e sand. The uyyer unit...?Calif'ornia. The theory is that the bottom of the casing, vhich is set in sand, remains stationary, and as the strata betveer the aquifer and the surface ccmpsct, i;he vali head is left suspended in six, supported only by ?he casing. This phcncmenon has occurred at...

  4. Establishment, growth and water use of Quercus virginiana (Mill.) on lignite surface-mined soils in response to irrigation

    E-Print Network [OSTI]

    Duncan, Jacalyn E.

    1991-01-01T23:59:59.000Z

    1 percent slope and an aspect of 95'. The plot location is at latitude 30'35'N and longitude 96 06'W at an elevation of 85 meters. The study site is in the Post Oak Savannah region of Texas which is characterized by gently rolling to hilly... applied to 12 live oak seedlings on reclaimed lignite surface-mined soils in central Texas as a means to study the physiology and growth of seedlings during establishment. The study period was 4 July 1990 through 30 September 1990. Transpiration...

  5. Yellow perch embryo-larval survival and growth in surface waters associated with oil-sands mining

    SciTech Connect (OSTI)

    Peters, L.E.; Heuvel, M.R. van den; Dixon, D.G. [Univ. of Waterloo, Ontario (Canada); Power, M. [Univ. of Manitoba, Winnipeg, Manitoba (Canada); Boerger, H.; MacKinnon, M.D.; Meer, T. Van [Syncrude Canada, Fort McMurray, Alberta (Canada)

    1995-12-31T23:59:59.000Z

    As part of their land reclamation strategy, Syncrude Canada Ltd. is currently developing environmentally acceptable tailings disposal methods. Fine tailings, a suspension of clay and residual bitumen, is the waste product from oil sands extraction. Fine-tailings contain naphthenic acids, a group of saturated aliphatic and alicyclic carboxylic acids, which occur naturally in petroleum and are partly responsible for the toxicity of process water. The wet landscape method involves covering fine tails with a layer of water such that a self-sustaining ecosystem can be established. A 5 ha demonstration pond with a bottom of fine-tailings was constructed and stocked with yellow perch for experimental purposes. Two other reclaimed ponds formed with oil-sands overburden material were also stocked with perch. Adult perch sampled in the fall of 1995 from the experimental and reclaimed ponds exhibited a 2-fold induction of MFO activity compared to the source lake; indicating organic compound exposure. Perch from one of the reclaimed ponds showed significantly reduced circulating reproductive hormone levels, gonad size and smaller ovarian follicles. Reproductive parameters were not different between the source lake and the remaining ponds. Paired lab and field experiments were conducted to determine if contaminants present would be detrimental to egg viability and development of larvae either through direct exposure of spawned eggs or indirectly by effecting oogenesis. An early life stage toxicity test was also performed using commercially available naphthenic acid standard. Endpoints measured were percent fertilization, percent hatch, mortality, deformities, timing of developmental periods and larval growth.

  6. Ground water provides drinking water, irrigation for

    E-Print Network [OSTI]

    Saldin, Dilano

    Ground water provides drinking water, irrigation for crops and water for indus- tries. It is also connected to surface waters, and maintains the flow of rivers and streams and the level of wetlands- tion of those along Lake Michigan, most communi- ties, farms and industries still rely on ground water

  7. Water Resources Policy & Economics

    E-Print Network [OSTI]

    Buehrer, R. Michael

    Water Resources Policy & Economics FOR 4984 Selected Course Topics · Appropriative and riparian water institutions · Incentives for conservation · Water rights for in-stream environmental use · Surface water-groundwater management · Water quality regulations · Water markets · Economic and policy

  8. Groundwater Management and the Cost of Reduced Surface Water Deliveries to Urban Areas: The Case of the Central and West Coast Basins of Southern California

    E-Print Network [OSTI]

    Sunding, David L.; Hamilton, Stephen F; Ajami, Newsha K

    2009-01-01T23:59:59.000Z

    represents the annual water shortage that cannot be met fromservice associated with water shortage events. Total Costscost to consumers of a water shortage. 11 LCPSIM optimizes

  9. Impact of Pacific and Atlantic sea surface temperatures on interannual and decadal variations of GRACE land water storage in tropical South America

    E-Print Network [OSTI]

    de Linage, Caroline; Kim, Hyungjun; Famiglietti, James S; Yu, Jin-Yi

    2013-01-01T23:59:59.000Z

    stress, i.e. , the ground water storage [Toomey et al. ,and longer time scales, as ground water storage multidecadal

  10. Evaluation Of Calendar Year 1997 Groundwater and surface Water Quality Data For the Bear Creek Hydrogeologic regime At The U.S. Department of Energy Y-12 Plant, Oak Ridge, Tennessee

    SciTech Connect (OSTI)

    Jones, S.B.

    1998-09-01T23:59:59.000Z

    This report presents an evaluation of the groundwater and surface water monitoring data obtained in the Bear Creek Hydrogeologic Regime (Bear Creek Regime) during calendar year (CY) 1997. The monitoring data were obtained in compliance with the Resource Conservation and Recovery Act (RCRA) post-closure permit for the Bear Creek Regime and U.S. Department of Energy (DOE) Order 5400.1, and are reported ixx Calendar Year 1997 Annual Groundwater A40nitoringReport for the Bear Creek Hydrogeolo@"c Regime at the US. Department ofEnergy Y-12 Plant, Oak Ridge, Tennessee (AJA Technical Services, Inc. 1998a). This report provides an evaluation of the monitoring data with respect to historical results for each sampling location, the regime-wide extent of groundwater and surface water contamination, and long-term concentration trends for selected groundwater and surface water contaminants.

  11. Water Sustainability Program Challenges to Sustainable Water

    E-Print Network [OSTI]

    Cushing, Jim. M.

    · Drought, Climate Change · Growth and the need for additional supplies · Water and Energy · Water the Southwest, nation, semi-arid and arid regions, and the world. · Today's program provides just a glimpse to and utilization of renewable supplies · Transboundary water issues · The surface water/groundwater interface

  12. Turing Water into Hydrogen Fuel

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

    Turning Water into Hydrogen Fuel Turning Water into Hydrogen Fuel New method creates highly reactive catalytic surface, packed with hydroxyl species May 15, 2012 | Tags: Franklin,...

  13. Stick-Slip Control in Nanoscale Boundary Lubrication by Surface Wettability

    E-Print Network [OSTI]

    Wei Chen; Adam S. Foster; Mikko J. Alava; Lasse Laurson

    2015-02-13T23:59:59.000Z

    We study the effect of atomic scale surface-lubricant interactions on nanoscale boundary-lubricated friction, by considering two example surfaces - hydrophilic mica and hydrophobic graphene - confining thin layers of water in molecular dynamics simulations. We observe stick-slip dynamics for thin water films confined by mica sheets, involving periodic breaking-reforming transitions of atomic scale capillary water bridges formed around the potassium ions of mica. However, only smooth sliding without stick-slip events is observed for water confined by graphene, as well as for thicker water layers confined by mica. Thus, our results illustrate how atomic scale details affect the wettability of the confining surfaces, and consequently control the presence or absence of stick-slip dynamics in nanoscale friction.

  14. Coal conversion siting on coal mined lands: water quality issues

    SciTech Connect (OSTI)

    Triegel, E.K.

    1980-01-01T23:59:59.000Z

    The siting of new technology coal conversion facilities on land disturbed by coal mining results in both environmental benefits and unique water quality issues. Proximity to mining reduces transportation requirements and restores disrupted land to productive use. Uncertainties may exist, however, in both understanding the existing site environment and assessing the impact of the new technology. Oak Ridge National Laboratory is currently assessing the water-related impacts of proposed coal conversion facilities located in areas disturbed by surface and underground coal mining. Past mining practices, leaving highly permeable and unstable fill, may affect the design and quality of data from monitoring programs. Current mining and dewatering, or past underground mining may alter groundwater or surface water flow patterns or affect solid waste disposal stability. Potential acid-forming material influences the siting of waste disposal areas and the design of grading operations. These and other problems are considered in relation to the uncertainties and potentially unique problems inherent in developing new technologies.

  15. Walking on water

    E-Print Network [OSTI]

    Bush, John W. M.

    The ingenious methods employed by insects and spiders to move across a water surface rely on microphysics that is of little use to larger water walkers but of considerable interest to the microfluidics community.

  16. Regional terrestrial water storage change and evapotranspiration from terrestrial and atmospheric water balance computations

    E-Print Network [OSTI]

    Yeh, Pat J.-F.; Famiglietti, J. S

    2008-01-01T23:59:59.000Z

    like to thank Illinois State Water Survey for providing thecollected by the Illinois State Water Survey (ISWS) fromSurface water balance of the continental United States,

  17. Nanoscale modification of key surface parameters to augment pool boiling heat transfer and critical heat flux in water and dielectric fluids

    E-Print Network [OSTI]

    Forrest, Eric Christopher

    2009-01-01T23:59:59.000Z

    Surface effects on pool boiling heat transfer and the critical heat flux are well documented but poorly understood. This study investigates the pool boiling characteristics of various fluids, and demonstrates that surface ...

  18. Iowa Water Center Annual Technical Report

    E-Print Network [OSTI]

    influence water quality and restoration potential? How does stream channelization influence water quality of the United States. Human activities have altered stream hydrology that affects water quality. Stream-2010 Iowa Water Center research program is on stream dynamics affecting water quality. We are interested

  19. Fluidstructure interaction with pipe-wall viscoelasticity during water hammer

    E-Print Network [OSTI]

    Tijsseling, A.S.

    rights reserved. 1. Introduction There are four important items, which may affect classical water-hammer

  20. Infrastructure systems, such as buildings, schools, roads, bridges, water lines, sewage systems, communication systems, and power plants, are a fundamental part of daily life. Both rapid and gradual climate changes can affect

    E-Print Network [OSTI]

    and gradual climate changes can affect these systems and have significant impacts on society. Extreme weather infrastructure sector make practical decisions in order to adapt to climate changes and variations systems, communication systems, and power plants, are a fundamental part of daily life. Both rapid

  1. Water Resources Act (Ontario, Canada)

    Broader source: Energy.gov [DOE]

    The Ontario Water Resources Act is designed to conserve, protect and manage Ontario's water resources for efficient and sustainable use. The act focuses on both groundwater and surface water...

  2. Mississippi Water Resources Research Institute Annual Technical Report

    E-Print Network [OSTI]

    include: water quality, surface and groundwater management, water quality management and water resources Category: Water Quality Focus Category: Wetlands, Water Quality, Management and Planning Descriptors; to assist state agencies in the development and maintenance of a state water management plan

  3. Optimization of Single and Layered Surface Texturing

    E-Print Network [OSTI]

    Bair, Alethea S.

    2010-07-14T23:59:59.000Z

    In visualization problems, surface shape is often a piece of data that must be shown effectively. One factor that strongly affects shape perception is texture. For example, patterns of texture on a surface can show the surface orientation from...

  4. Factors Affecting Photosynthesis!

    E-Print Network [OSTI]

    Kudela, Raphael M.

    Factors Affecting Photosynthesis! Temperature Eppley (1972) Light Sverdrup's Critical Depth-493, but the general concept is still valid! ! #12;PB opt & Temperature! #12;Photosynthesis & Temperature! Remember: in the laboratory, we can measure photosynthesis versus irradiance (PvsE) and calculate Ek, Pmax, and alpha

  5. Impact of Pacific and Atlantic sea surface temperatures on interannual and decadal variations of GRACE land water storage in tropical South America

    E-Print Network [OSTI]

    de Linage, Caroline; Kim, Hyungjun; Famiglietti, James S; Yu, Jin-Yi

    2013-01-01T23:59:59.000Z

    re season severity in South America using sea surface tem-storage in tropical South America, J. Geophys. Res. Atmos. ,hydroclimatology of tropical South America is characterized

  6. A critical evaluation of factors affecting reservoir yield estimates

    E-Print Network [OSTI]

    Bergman, Carla Elaine

    1987-01-01T23:59:59.000Z

    Statement of Problem Estimation of reservoir yield is fundamental to water resources planning and management. Effective management of the surface water resource of a river basin requires an understanding of the amount of water which can be provided... and approaches used in handling various complicating factors. Water supply planning and management involves complex institutional, legal, hydrologic, and physical systems. Streamflow, reservoir sedimentation, evaporation, water demands, and other variables...

  7. University of Wisconsin Water Resources Institute Annual Technical Report

    E-Print Network [OSTI]

    modeling studies and applications designed to preserve or improve groundwater quality. The following reportUniversity of Wisconsin Water Resources Institute Annual Technical Report FY 2000 Introduction: groundwater, surface water, groundwater/surface water interactions, and drinking water initiatives. Faculty

  8. International Lige Colloquium on Ocean Dynamics, GAS TRANSFER AT WATER SURFACES, May 2 -6 2005 Estimation of air-sea gas and heat fluxes from infrared imagery and

    E-Print Network [OSTI]

    Jaehne, Bernd

    2005 Estimation of air-sea gas and heat fluxes from infrared imagery and surface wave measurements and much higher heat fluxes. In addition, the infrared imagery analysis reveals potentially significant the infrared images. It is also shown that the difference in the surface boundary conditions for heat and gas

  9. Baseline risk assessment of ground water contamination at the uranium mill tailings site near Durango, Colorado. Revision 1

    SciTech Connect (OSTI)

    NONE

    1995-09-01T23:59:59.000Z

    For the UMTRA Project site located near Durango, Colorado (the Durango site), the Surface Project cleanup occurred from 1986 to 1991. An evaluation was made to determine whether exposure to ground water contaminated by uranium processing could affect people`s health. Exposure could occur from drinking water pumped from a hypothetical well drilled in the contaminated ground water area. In addition, environmental risks may result if plants or animals are exposed to contaminated ground water, or surface water that has mixed with contaminated ground water. This risk assessment report is the first site-specific document prepared for the UMTRA Ground Water Project at the Durango site. The results of this report and further site characterization of the Durango site will be used to determine what is necessary to protect public health and the environment, and to comply with the EPA standards.

  10. Cooling water distribution system

    DOE Patents [OSTI]

    Orr, Richard (Pittsburgh, PA)

    1994-01-01T23:59:59.000Z

    A passive containment cooling system for a nuclear reactor containment vessel. Disclosed is a cooling water distribution system for introducing cooling water by gravity uniformly over the outer surface of a steel containment vessel using an interconnected series of radial guide elements, a plurality of circumferential collector elements and collector boxes to collect and feed the cooling water into distribution channels extending along the curved surface of the steel containment vessel. The cooling water is uniformly distributed over the curved surface by a plurality of weirs in the distribution channels.

  11. Factors Affecting Photosynthesis!

    E-Print Network [OSTI]

    Kudela, Raphael M.

    grow faster, die younger as temperature increases ·In general, warm water species are smaller and have transporters (nutrients) It slows down (curves) because the dark reactions can't process fast enough Light and NADPH Therefore, some of the energy from PSII and PSI goes to nutrients, NOT to the Calvin- Benson

  12. Groundwater Management and the Cost of Reduced Surface Water Deliveries to Urban Areas: The Case of the Central and West Coast Basins of Southern California

    E-Print Network [OSTI]

    Sunding, David L.; Hamilton, Stephen F; Ajami, Newsha K

    2009-01-01T23:59:59.000Z

    basin to recover the economic incentives for water trading.Economic incentives for inter-basin transfers arise when thein which the economic incentive to trade implies a movement

  13. How the Koontz Decision May Affect Climate Change Policy

    Broader source: Energy.gov [DOE]

    Please join us for a Sept. 10 webinar to discuss the Supreme Court's controversial decision in Koontz v. St. Johns River Water Management District and explore how the decision may affect the...

  14. Would the heat of an oil pipeline buried 4 feet underground affect ground or surface water temperature or the roots of typical Nebraska crops like corn, soybeans, alfalfa? Would

    E-Print Network [OSTI]

    Nebraska-Lincoln, University of

    temperature or the roots of typical Nebraska crops like corn, soybeans, alfalfa? Would crop yield likely

  15. Modeling water use at thermoelectric power plants

    E-Print Network [OSTI]

    Rutberg, Michael J. (Michael Jacob)

    2012-01-01T23:59:59.000Z

    The withdrawal and consumption of water at thermoelectric power plants affects regional ecology and supply security of both water and electricity. The existing field data on US power plant water use, however, is of limited ...

  16. Water Impacts of the Electricity Sector (Presentation)

    SciTech Connect (OSTI)

    Macknick, J.

    2012-06-01T23:59:59.000Z

    This presentation discusses the water impacts of the electricity sector. Nationally, the electricity sector is a major end-user of water. Water issues affect power plants throughout the nation.

  17. Chapter 13 Water Resources Hoover Dam

    E-Print Network [OSTI]

    Pan, Feifei

    management Water shortage linked to food supply Learning Objectives #12; The global water cycleChapter 13 Water Resources #12;Hoover Dam #12;The Colorado River Basin Population growth Urbanization Climate change #12; Water cycle Water use Surface water and groundwater processes Water

  18. State of ISRAEL Water Resources Management

    E-Print Network [OSTI]

    Einat, Aharonov

    Supply System #12;State of ISRAEL Complexity of the water distribution system · Different Sources to the main system: ground water, surface water, desalinated water · Utilization of the different sources. Water wells purification and aquifers water quality improvement. Increasing capacity of waste water

  19. texas water resources institute Water management is one of the most significant challenges facing Texas today. Major water quantity and water quality

    E-Print Network [OSTI]

    texas water resources institute Water management is one of the most significant challenges facing Texas today. Major water quantity and water quality problems exist, affecting the environment and economy. Texas needs solutions. At the Texas Water Resources Institute, we help solve these pressing water

  20. Water Wizdom Marsha M. Wright1

    E-Print Network [OSTI]

    in their drinking water. Go to 6 3 What contaminant in drinking water affects mostly babies less than one year old. Lead can be a hazard in drinking water, but #12;does not become airborne if it is present in water. GoSR-IWM-5 Water Wizdom By Marsha M. Wright1 R. Craig Runyan2 1 Soil & Water Conservation Specialist

  1. Correlation of Oil-Water and Air-Water Contact Angles of Diverse...

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

    Oil-Water and Air-Water Contact Angles of Diverse Silanized Surfaces and Relationship to Fluid Interfacial Correlation of Oil-Water and Air-Water Contact Angles of Diverse...

  2. Center for Water Resources Research Annual Technical Report

    E-Print Network [OSTI]

    in assessing the susceptibility of surface water supplies to pollution from current and future activities, Hydrology, Models Descriptors: Drinking Water, Source Water, Pollution Sources, Watershed Management Supply Descriptors: Drinking water, source water, pollution sources, watershed management Primary PI

  3. Protecting Our Water: Tracking Sources of Bacterial Contamination Numerous surface waterbodies in Texas are classified as having high levels of fecal coliform bacteria, an indicator of fecal pollution.

    E-Print Network [OSTI]

    in Texas are classified as having high levels of fecal coliform bacteria, an indicator of fecal pollution. coli and other fecal coliform bacteria do not provide information on whether the source of pollution of pollution need to be identified to implement effective pollution control strategies to improve water quality

  4. Sampling and analytical testing of groundwater and surface water at the Colorado School of Mines Research Institute (CSMRI) has been conducted on a quarterly basis since early

    E-Print Network [OSTI]

    is being consumed, changing the water chemistry, and leading to lower uranium concentrations with flow, Th-230, Th-232, and uranium), and metals (arsenic, barium calcium, cadmium, chromium, lead, manganese and analytical testing for radium, calcium, magnesium, potassium, sodium, uranium, and zinc will continue

  5. A method to predict the soil susceptibility to compaction of surface layers as a function of water content and bulk density

    E-Print Network [OSTI]

    Boyer, Edmond

    of the stress/strain relationship, as well as the mechanical parameters and their variation with different soil between soil mechanical properties and easily measurable soil properties as well as water content and bulk an important role in clayey and loamy soils. In contrast, for sandy soils, the mechanical parameters were less

  6. Field Summary Report for Remedial Investigation of Hanford Site Releases to the Columbia River, Hanford Site, Washington, Collection of Surface Water, River Sediments, and Island Soils

    SciTech Connect (OSTI)

    L. C. Hulstrom

    2009-09-28T23:59:59.000Z

    This report has been prepared in support of the remedial investigation of Hanford Site Releases to the Columbia River and describes the 2008/2009 data collection efforts. This report documents field activities associated with collection of sediment, river water, and soil in and adjacent to the Columbia River near the Hanford Site and in nearby tributaries.

  7. Water Resources Water Quality and Water Treatment

    E-Print Network [OSTI]

    Sohoni, Milind

    Water Resources TD 603 Lecture 1: Water Quality and Water Treatment CTARA Indian Institute of Technology, Bombay 2nd November, 2011 #12;OVERVIEW Water Quality WATER TREATMENT PLANTS WATER TREATMENT PLANTS WATER TREATMENT PLANTS WATER TRE OVERVIEW OF THE LECTURE 1. Water Distribution Schemes Hand Pump

  8. Speciation and structural characterization of plutonium and actinide-organic complexes in surface and ground waters. Annual progress report, September 1996--September 1997

    SciTech Connect (OSTI)

    Buessler, K.O.; Repeta, D.J.

    1997-12-31T23:59:59.000Z

    'The authors proposed research is designed to study the association of actinides with dissolved organic complexes in subsurface waters. Actinide-humic matter associations in natural waters have been investigated previously, but they have postulated that much of the actinide binding activity may be supported by colloidal biopolymers. To investigate this, they are developing techniques to sample and identify organic constituents in groundwater, and to measure the Pu associated with different fractions of organic matter. Year 1 activities have focused on: (1) sampling techniques to minimize contamination and artifact formation, and to establish mass balances, (2) separation of Pu isotopes by oxidation state, and (3) analytical development of techniques for separation and identification of organic constituents from natural waters. Their proposed research calls for field work at the Savannah River and Hanford Sites (SRS and HS, respectively). Towards this, they have been working on establishing protocols for ultra-clean (fg level) cross-flow filtration (CFF) techniques suitable for thermal ionization mass spectrometric (TIMS) analysis. A series of tests have been completed and the results have shown no Pu contamination from the CFF system was observable as long as the system is rigorously cleaned with acid, base and nano-pure water. They have also collected a water sample from a pond near the laboratory in Woods Hole, MA to test blank conditions in the field, and to determine system mass balances. Blank levels were found to be satisfactory, and the mass balance is 100--210% for both {sup 239}Pu and {sup 240}Pu, the only two isotopes measurable in the sample. This is one of the major assurances for the success of the project because CFF will be the major sampling tool the authors will use to study natural Pu-organic complexes. Another important result from the field test is that > 80 % of the dissolved Pu (based on the TIMS measurements) is in colloidal form.'

  9. Speciation and structural characterization of plutonium and actinide-organic complexes in surface and ground waters. Annual progress report, September 1996--September 1997

    SciTech Connect (OSTI)

    Buessler, K.O.; Repeta, D.J.

    1997-01-01T23:59:59.000Z

    'The authors proposed research is designed to study the association of actinides with dissolved organic complexes in subsurface waters. Actinide-humic matter associations in natural waters have been investigated previously, but the authors have postulated that much of the actinide binding activity may be supported by colloidal biopolymers. To investigate this, they are developing techniques to sample and identify organic constituents in groundwater, and to measure the Pu associated with different fractions of organic matter. Year 1 activities have focused on: (1) sampling techniques to minimize contamination and artifact formation, and to establish mass balances, (2) separation of Pu isotopes by oxidation state, and (3) analytical development of techniques for separation and identification of organic constituents from natural waters. The authors proposed research calls for field work at the Savannah River and Hanford Sites (SRS and HS, respectively). Towards this, they have been working on establishing protocols for ultra-clean (fg level) cross-flow filtration (CFF) techniques suitable for thermal ionization mass spectrometric (TIMS) analysis. A series of tests have been completed and the results have shown no Pu contamination from the CFF system was observable as long as the system is rigorously cleaned with acid, base and nano-pure water (Table 1). They have also collected a water sample from a pond near the laboratory in Woods Hole, MA to test blank conditions in the field, and to determine system mass balances. Blank levels were found to be satisfactory, and the mass balance is 100 \\261 10% for both {sup 239}Pu and {sup 240}Pu, the only two isotopes measurable in the sample. This is one of the major assurances for the success of the project because CFF will be the major sampling tool the authors will use to study natural Pu-organic complexes. Another important result from the field test is that > 80% of the dissolved Pu (based on the TIMS measurements) is in colloidal form.'

  10. Climate and Hydrological Factors Affecting Variation in Chlorophyll

    E-Print Network [OSTI]

    Collin, Rachel

    in the region, accompanied by scant wastewater treatment. In contrast, water clarity increased significantlyClimate and Hydrological Factors Affecting Variation in Chlorophyll Concentration and Water Clarity organisms. In the Caribbean, changes in nutrient loading that result from rapid development are thought

  11. Transport Theory for Shallow Water Propagation with Rough Boundaries

    SciTech Connect (OSTI)

    Thorsos, Eric I.; Henyey, Frank S.; Elam, W. T.; Hefner, Brian T.; Reynolds, Stephen A.; Yang Jie [Applied Physics Laboratory, University of Washington, 1013 NE 40th Street, Seattle, WA 98105 (United States)

    2010-09-06T23:59:59.000Z

    At frequencies of about 1 kHz and higher, forward scattering from a rough sea surface (and/or a rough bottom) can strongly affect shallow water propagation and reverberation. The need exists for a fast, yet accurate method for modeling such propagation where multiple forward scattering occurs. A transport theory method based on mode coupling is described that yields the first and second moments of the field. This approach shows promise for accurately treating multiple forward scattering in one-way propagation. The method is presently formulated in two space dimensions, and Monte-Carlo rough surface PE simulations are used for assessing the accuracy of transport theory results.

  12. Vadose zone water fluxmeter

    DOE Patents [OSTI]

    Faybishenko, Boris A.

    2005-10-25T23:59:59.000Z

    A Vadose Zone Water Fluxmeter (WFM) or Direct Measurement WFM provides direct measurement of unsaturated water flow in the vadose zone. The fluxmeter is a cylindrical device that fits in a borehole or can be installed near the surface, or in pits, or in pile structures. The fluxmeter is primarily a combination of tensiometers and a porous element or plate in a water cell that is used for water injection or extraction under field conditions. The same water pressure measured outside and inside of the soil sheltered by the lower cylinder of the fluxmeter indicates that the water flux through the lower cylinder is similar to the water flux in the surrounding soil. The fluxmeter provides direct measurement of the water flow rate in the unsaturated soils and then determines the water flux, i.e. the water flow rate per unit area.

  13. Nebraska Water Resources Center Annual Technical Report

    E-Print Network [OSTI]

    : Groundwater, Models, Water Use Descriptors: Aquifer parameters, conjuntive use, groundwater modeling, surface-groundwater modeling, Surface- groundwater Relationships, Well hydraulics Problem and research objectives: ProblemNebraska Water Resources Center Annual Technical Report FY 2000 Introduction Welcome

  14. affected surface produced: Topics by E-print Network

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

    includes the production of the mold. Let us look at an example: To produce a curved glass-fibre reinforced con- crete panel, a mold is produced from styrofoam. The cheapest way of...

  15. affects leaf surface: Topics by E-print Network

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

    Derived Leaf Area Index over the High-Latitude Northern Hemisphere. Part II: Earth System Models CiteSeer Summary: Abstract: Leaf Area Index (LAI) is a key parameter in the...

  16. WATER RESOURCES NEWS NEBRASKA WATER RESOURCES RESEARCH INSTITUTE

    E-Print Network [OSTI]

    Nebraska-Lincoln, University of

    BUILDING THE UNIVERSITY OF NEBRASKA LINCOLN, NEBRASKA 68503 Volume 5 Number 6 FROM THE DESK OF THE DIRECTOR of Water Use; (2) Nonpoint Source Pollution; (3) Meeting Water Requirements; (4) Energy-Water Relationships; (5) Maintenance of Environmental Quality; and (6) Conjunctive Management of Ground and Surface Water

  17. Fresh Water Increased temperature means higher proportion of water

    E-Print Network [OSTI]

    Houston, Paul L.

    Fresh Water Increased temperature means higher proportion of water falling on surface higher evaporation higher rainfall greater intensity of floods and droughts. Water use has grown four on How much storage compared to average flow Demand as percentage of supply How much ground water is used

  18. Evaluation of Calendar Year 1996 groundwater and surface water quality data for the Upper East Fork Poplar Creek Hydrogeologic Regime at the US Department of Energy Y-12 Plant, Oak Ridge, Tennessee

    SciTech Connect (OSTI)

    NONE

    1997-09-01T23:59:59.000Z

    This report presents an evaluation of the groundwater monitoring data obtained in the Upper East Fork Poplar Creek Hydrogeologic Regime (East Fork Regime) during calendar year (CY) 1996. The East Fork Regime encompasses several confirmed and suspected sources of groundwater contamination within industrialized areas of the US Department of Energy (DOE) Y-12 Plant in Bear Creek Valley (BCV) southeast of Oak Ridge, Tennessee. The CY 1996 groundwater and surface water monitoring data are presented in Calendar Year 1996 Annual Groundwater Monitoring Report for the Upper East Fork Poplar Creek Hydrogeologic Regime at the US Department of Energy Y-12 Plant, Oak Ridge, Tennessee, along with the required data evaluations specified in the Resource Conservation and Recovery Act (RCRA) post-closure permit for the East Fork Regime. This report provides additional evaluation of the CY 1996 groundwater and surface water monitoring data with an emphasis on regime-wide groundwater contamination and long-term concentration trends for regulated and non-regulated monitoring parameters.

  19. Evaluation of Calendar Year 1996 groundwater and surface water quality data for the Bear Creek Hydrogeologic Regime at the US Department of Energy Y-12 Plant, Oak Ridge, Tennessee

    SciTech Connect (OSTI)

    NONE

    1997-08-01T23:59:59.000Z

    This report presents an evaluation of the groundwater monitoring data obtained in the Bear Creek Hydrogeologic Regime (Bear Creek Regime) during calendar year (CY) 1996. The monitoring data were collected for the multiple programmatic purposes of the Y-12 Plant Groundwater Protection Program (GWPP) and have been reported in Calendar Year 1996 Annual Groundwater Monitoring Report for the Bear Creek Hydrogeologic Regime at the US Department of Energy Y-12 Plant, Oak Ridge, Tennessee. The Annual Monitoring report presents only the results of the monitoring data evaluations required for waste management sites addressed under the Resource Conservation and Recovery Act (RCRA) post-closure permit for the Bear Creek Regime. The Annual Monitoring Report also serves as a consolidated reference for the groundwater and surface water monitoring data obtained throughout the Bear Creek Regime under the auspices of the Y-12 GWPP. This report provides an evaluation of the CY 1996 monitoring data with an emphasis on regime-wide groundwater and surface water quality and long-term concentration trends of regulated and non-regulated monitoring parameters.

  20. Surface layering of liquids: Is surface tension the dominant factor? Oleg Shpyrko,1

    E-Print Network [OSTI]

    Fukuto, Masafumi

    Surface layering of liquids: Is surface tension the dominant factor? Oleg Shpyrko,1 Masafumi Fukuto near a hard flat surface and at first it is tempt- ing to think that the large surface tension that the free surface of water, which has nearly the same surface tension as K, does not exhibit SL features

  1. Baseline risk assessment of ground water contamination at the Uranium Mill Tailings Site near Shiprock, New Mexico. Revision 1

    SciTech Connect (OSTI)

    Not Available

    1994-04-01T23:59:59.000Z

    This baseline risk assessment at the former uranium mill tailings site near Shiprock, New Mexico, evaluates the potential impact to public health or the environment resulting from ground water contamination at the former uranium mill processing site. The tailings and other contaminated material at this site were placed in an on-site disposal cell in 1986 through the US Department of Energy (DOE) Uranium Mill Tailings Remedial Action (UMTRA) Project. Currently, the UMTRA Project is evaluating ground water contamination. This risk assessment is the first document specific to this site for the Ground Water Project. There are no domestic or drinking water wells in the contaminated ground water of the two distinct ground water units: the contaminated ground water in the San Juan River floodplain alluvium below the site and the contaminated ground water in the terrace alluvium area where the disposal cell is located. Because no one is drinking the affected ground water, there are currently no health or environmental risks directly associated with the contaminated ground water. However, there is a potential for humans, domestic animals, and wildlife to the exposed to surface expressions of ground water in the seeps and pools in the area of the San Juan River floodplain below the site. For these reasons, this risk assessment evaluates potential exposure to contaminated surface water and seeps as well as potential future use of contaminated ground water.

  2. E-Print Network 3.0 - affecting born mineral Sample Search Results

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

    mineral mines may affect air quality. As with water pollution, mines can contribute to air pollution... Chapter 15 Mineral Resources and the Environment 12;Minerals found in a...

  3. E-Print Network 3.0 - affect calcium handling Sample Search Results

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

    of Health, Safety and Environment Summary: ) Irrigate with water. b) Submerge affected finger(s) in the 23% calcium gluconate solution. c) Add ice... and then apply calcium...

  4. E-Print Network 3.0 - affected zones exposed Sample Search Results

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

    shore zone. Especially if water levels fluctuate... ). Shore zone animals also are affected by the ... Source: Strayer, David L. - Cary Institute of Ecosystem Studies...

  5. E-Print Network 3.0 - affects microbial activity Sample Search...

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

    products and affect bacteria composition ... Source: Jawitz, James W. - Soil and Water Science Department, University of Florida Collection: Environmental Sciences and...

  6. E-Print Network 3.0 - affect aggregate turnover Sample Search...

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

    of GRSP research has focused on its relationship with aggregate water stability... ecosystem warming positively affects arbuscular mycor- rhizae but ... Source: Rilli, Matthias...

  7. E-Print Network 3.0 - affecting phytoplankton growth Sample Search...

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

    on the growth of brackish water phytoplankton but that different algal groups may be affected... underwater light intensity of the freshwater tidal reaches, growth of...

  8. Water Quality Regulations (Rhode Island)

    Broader source: Energy.gov [DOE]

    The purpose of these regulations is to establish water quality standards for the state's surface waters. These standards are intended to restore, preserve and enhance the physical, chemical and...

  9. Clean Water Partnership Law (Minnesota)

    Broader source: Energy.gov [DOE]

    The main purpose of the Clean Water Partnership Law is to provide financial and technical assistance to local governments for the protection, enhancement, and restoration of surface waters. However...

  10. Changing climatic conditions in the Colorado River Basin: Implications for water resources management in the Las Vegas Valley.

    E-Print Network [OSTI]

    Dawadi, Srijana

    2011-01-01T23:59:59.000Z

    ??Climate change affects the water available in a region. It also affects the water demand, because of the increase in temperature. A system dynamics model… (more)

  11. Relative efficiency of land surface energy balance components

    E-Print Network [OSTI]

    Bateni, S. M.

    [1] The partitioning of available energy into dissipative fluxes over land surfaces is dependent on the state variable of the surface energy balance (land surface temperature) and the state variable of the surface water ...

  12. University of Wisconsin Water Resources Institute Annual Technical Report

    E-Print Network [OSTI]

    modeling studies and applications designed to preserve or improve groundwater quality. ChargedUniversity of Wisconsin Water Resources Institute Annual Technical Report FY 2001 Introduction into the following four thematic areas: groundwater, surface water, groundwater/surface water interactions

  13. Literature and data review for the surface-water pathway: Columbia River and adjacent coastal areas. Hanford Environmental Dose Reconstruction Project

    SciTech Connect (OSTI)

    Walters, W.H.; Dirkes, R.L.; Napier, B.A.

    1992-04-01T23:59:59.000Z

    As part of the Hanford Environmental Dose Reconstruction Project, Pacific Northwest Laboratory reviewed literature and data on radionuclide concentrations and distribution in the water, sediment, and biota of the Columbia River and adjacent coastal areas. Over 600 documents were reviewed including Hanford reports, reports by offsite agencies, journal articles, and graduate theses. Certain radionuclide concentration data were used in preliminary estimates of individual dose for the 1964--1966 time period. This report summarizes the literature and database review and the results of the preliminary dose estimates.

  14. Spontaneous Charging and Crystallization of Water Droplets in Oil

    E-Print Network [OSTI]

    Joost de Graaf; Jos Zwanikken; Markus Bier; Arjen Baarsma; Yasha Oloumi; Mischa Spelt; Rene van Roij

    2008-07-31T23:59:59.000Z

    We study the spontaneous charging and the crystallization of spherical micron-sized water-droplets dispersed in oil by numerically solving, within a Poisson-Boltzmann theory in the geometry of a spherical cell, for the density profiles of the cations and anions in the system. We take into account screening, ionic Born self-energy differences between oil and water, and partitioning of ions over the two media. We find that the surface charge density of the droplet as induced by the ion partitioning is significantly affected by the droplet curvature and by the finite density of the droplets. We also find that the salt concentration and the dielectric constant regime in which crystallization of the water droplets is predicted is enhanced substantially compared to results based on the planar oil-water interface, thereby improving quantitative agreement with recent experiments.

  15. Method and apparatus for measuring surface contour on parts with elevated temperatures

    DOE Patents [OSTI]

    Horvath, Mark S. (Canton, MI); Nance, Roy A. (McMurray, PA); Cohen, George H. (Pittsburgh, PA); Fodor, George (Pittsburgh, PA)

    1991-01-01T23:59:59.000Z

    The invention is directed to a method and apparatus for measuring the surface contour of a test piece, such as the bow of a radioactive fuel rod, which is completely immersed in water. The invention utilizes ultrasonic technology and is capable of measuring surface contours of test pieces which are at a higher temperature than the surrounding water. The presence of a test piece at a higher temperature adversely affects the distance measurements by causing thermal variations in the water near the surface of the test piece. The contour measurements depend upon a constant temperature of the water in the path of the ultrasonic wave to provide a constant acoustical velocity (the measurement is made by the time of flight measurement for an ultrasonic wave). Therefore, any variations of water temperature near the surface will introduce errors degrading the measurement. The present invention overcomes these problems by assuring that the supply of water through which the ultrasonic waves travel is at a predetermined and constant temperature.

  16. atrazine exposure affects: Topics by E-print Network

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

    A reversed-phase gradient of 0.1% acetic acid in water and 0.1% acetic acid in acetonitrile The transport of atrazine and its byproducts in soil and in groundwater and surface...

  17. WATER AND ENERGY SECTOR VULNERABILITY TO CLIMATE

    E-Print Network [OSTI]

    WATER AND ENERGY SECTOR VULNERABILITY TO CLIMATE WARMING IN THE SIERRA NEVADA: Water Year explores the sensitivity of water indexing methods to climate change scenarios to better understand how water management decisions and allocations will be affected by climate change. Many water management

  18. Contribution of seasonal sub-Antarctic surface water variability to millennial-scale changes in atmospheric CO2over the last deglaciation and Marine Isotope Stage 3

    E-Print Network [OSTI]

    Gottschalk, Julia; Skinner, Luke C.; Waelbroeck, Claire

    2014-12-17T23:59:59.000Z

    . bulloides (dark red) and N. pachyderma (s.) (dark blue) based on the eferences to color in this figure legend, the reader is referred to the web version ronology between 68 and 27 ka BP strongly depend on the tie- int density and amount to about 1600 ± 500... and the Atlantic Sector of the Southern Ocean: a) surface ocean currents eterson and Stramma, 1991; Stramma and England, 1999) and the position of major fronts (from south to north: Polar Front (dark grey line), sub-Antarctic Front (grey e), sub-Tropical Front...

  19. Optimization of Cooling Water

    E-Print Network [OSTI]

    Matson, J.

    A cooling water system can be optimized by operation at the highest possible cycles of concentration without risking sealing and fouling on heat exchanger surfaces. The way to optimize will be shown, with a number of examples of new systems....

  20. Report on Produced Water

    Office of Scientific and Technical Information (OSTI)

    of the pond, as well as the quality of the produced water. In semiarid regions, hot, dry air moving from a land surface will result in high evaporation rates for smaller ponds. As...

  1. Simulation study of the effects of surface chemistry and temperature on the conformations of ssDNA oligomers near hydrophilic and hydrophobic surfaces

    SciTech Connect (OSTI)

    Elder, Robert M.; Jayaraman, Arthi, E-mail: arthi.jayaraman@colorado.edu [Department of Chemical and Biological Engineering, University of Colorado, 3415 Colorado Avenue, UCB 596, Boulder, Colorado 80303 (United States)] [Department of Chemical and Biological Engineering, University of Colorado, 3415 Colorado Avenue, UCB 596, Boulder, Colorado 80303 (United States)

    2014-04-21T23:59:59.000Z

    We study the effects of the presence of a hydrophilic and a hydrophobic surface on the conformations and interactions of a single-stranded DNA (ssDNA) oligomer using atomistic molecular dynamics, umbrella sampling, and temperature-replica exchange. Our simulations capture the expected interactions between the ssDNA and the two surfaces (e.g., hydrogen bonds, hydrophobic interactions), but we find that the surface chemistry does not strongly affect the exposure of the relatively hydrophobic nucleobases or the hydrophilic phosphate backbone in a 16-base ssDNA. Likewise, the surfaces do not strongly affect the preferred size of the ssDNA compared to bulk solution, although the hydrophilic surface does favor slightly more compact ssDNA conformations than the hydrophobic surface. In more compact conformations, the negative charge of the ssDNA is more concentrated, and the energetic interactions of the DNA and DNA-bound counterions with the hydrophilic surface are more favorable, which consequently favors smaller ssDNA sizes. Increasing temperature, regardless of the presence or chemistry of a surface, makes it less unfavorable for the ssDNA to assume both compact and extended conformations. With increasing temperature the free energy cost of assuming a compact conformation is reduced to a greater extent than the cost of assuming an extended conformation. The reason for this difference is the entropically favorable release of DNA-bound water molecules upon assuming a compact conformation. Increasing temperature decreases water-DNA interactions while surprisingly increasing counterion-DNA interactions, changes which are attributed to the relative balance of entropic and energetic contributions for water molecules and counterions bound to the ssDNA.

  2. Nuclear magnetic resonance imaging of water content in the subsurface

    SciTech Connect (OSTI)

    J. Hendricks; T. Yao; A. Kearns

    1999-01-21T23:59:59.000Z

    Previous theoretical and experimental studies indicated that surface nuclear magnetic resonance (NMR) has the potential to provide cost-effective water content measurements in the subsurface and is a technology ripe for exploitation in practice. The objectives of this investigation are (a) to test the technique under a wide range of hydrogeological conditions and (b) to generalize existing NMR theories in order to correctly model NMR response from conductive ground and to assess properties of the inverse problem. Twenty-four sites with different hydrogeologic settings were selected in New Mexico and Colorado for testing. The greatest limitation of surface NMR technology appears to be the lack of understanding in which manner the NMR signal is influenced by soil-water factors such as pore size distribution, surface-to-volume ratio, paramagnetic ions dissolved in the ground water, and the presence of ferromagnetic minerals. Although the theoretical basis is found to be sound, several advances need to be made to make surface NMR a viable technology for hydrological investigations. There is a research need to investigate, under controlled laboratory conditions, how the complex factors of soil-water systems affect NMR relaxation times.

  3. 2015 Pearson Education, Inc. Chapter 4 Atmosphere and Surface Energy

    E-Print Network [OSTI]

    Pan, Feifei

    surface versus rough surface · Light color surface versus dark color surface · Albedo of water surface energy through the atmosphere or water. Solar radiation transfer in the atmosphere #12;© 2015 Pearson of radiation by molecules of matter and its conversion from one form of energy to another. Solar radiation

  4. ELLIPSOMETRY OF SURFACE LAYERS ON LEAD AND LITHIUM

    E-Print Network [OSTI]

    Peters, Richard Dudley

    2011-01-01T23:59:59.000Z

    Surface Layers on Lead and Lithium By Richard Dudley Peterssulfuric acid and and lithium to water, Acid concentrationsbeen observed in the reaction of lithium with water vapor. i

  5. Surface Soil

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

    Surface Soil Surface Soil We compare local soil samples with samples collected from northern New Mexico locations that are beyond the range of potential influence from normal...

  6. Geothermal Water Use: Life Cycle Water Consumption, Water Resource Assessment, and Water Policy Framework

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

    Schroeder, Jenna N.

    This report examines life cycle water consumption for various geothermal technologies to better understand factors that affect water consumption across the life cycle (e.g., power plant cooling, belowground fluid losses) and to assess the potential water challenges that future geothermal power generation projects may face. Previous reports in this series quantified the life cycle freshwater requirements of geothermal power-generating systems, explored operational and environmental concerns related to the geochemical composition of geothermal fluids, and assessed future water demand by geothermal power plants according to growth projections for the industry. This report seeks to extend those analyses by including EGS flash, both as part of the life cycle analysis and water resource assessment. A regional water resource assessment based upon the life cycle results is also presented. Finally, the legal framework of water with respect to geothermal resources in the states with active geothermal development is also analyzed.

  7. Geothermal Water Use: Life Cycle Water Consumption, Water Resource Assessment, and Water Policy Framework

    SciTech Connect (OSTI)

    Schroeder, Jenna N.

    2014-06-10T23:59:59.000Z

    This report examines life cycle water consumption for various geothermal technologies to better understand factors that affect water consumption across the life cycle (e.g., power plant cooling, belowground fluid losses) and to assess the potential water challenges that future geothermal power generation projects may face. Previous reports in this series quantified the life cycle freshwater requirements of geothermal power-generating systems, explored operational and environmental concerns related to the geochemical composition of geothermal fluids, and assessed future water demand by geothermal power plants according to growth projections for the industry. This report seeks to extend those analyses by including EGS flash, both as part of the life cycle analysis and water resource assessment. A regional water resource assessment based upon the life cycle results is also presented. Finally, the legal framework of water with respect to geothermal resources in the states with active geothermal development is also analyzed.

  8. The Mystery of Water

    SciTech Connect (OSTI)

    Nilsson, Anders

    2005-11-21T23:59:59.000Z

    Water is essential for our existence on this planet - critical to countless physical, biological, geological and chemical processes - it has defied scientific understanding. Exhibiting peculiar properties such as increased density upon melting and high surface tension, water is one of the most intriguing problems in condensed matter and chemical physics. Current research at SSRL, however, is illuminating the nature of H-bonding, presenting exciting new avenues of research and challenging existing models of water's structure.

  9. Present concept on current water protection and remediation activities for the areas contaminated by the 1986 Chernobyl accident

    SciTech Connect (OSTI)

    Voitsekhovitch, O.; Prister, B.; Nasvit, O.; Los, I.; Berkovski, V.

    1996-07-01T23:59:59.000Z

    The results of radiation monitoring data and migration pathway analysis of water bodies within areas affected by the 1986 Chernobyl accident provide a unique opportunity for decision-makers working in other extensively contaminated regions to optimize their approaches to surface and groundwater protection. Most engineering measures within the Chernobyl 30-km exclusion zone were focused on preventing secondary contamination of surface and groundwater from entering the Pripyat River and the Kiev Reservoir. However, implementation of these measures required huge financial and human resources. Therefore, lessons about post-accidental water protection activities can be learned form the Chernobyl example. 9 refs., 9 figs.

  10. Field-deployable, nano-sensing approach for real-time detection of free mercury, speciation and quantification in surface stream waters and groundwater samples at the U.S. Department of Energy contaminated sites

    SciTech Connect (OSTI)

    Campiglia, Andres D. [UCF; Hernandez, Florencio E. [UCF

    2014-08-28T23:59:59.000Z

    The detrimental effects on human health caused by long-term exposure to trace contamination of toxic metals have been documented in numerous epidemiological and toxicological studies. The fact that metals are non-biodegradable and accumulate in the food chain poses a severe threat to the environment and human health. Their monitoring in drinking water, aquatic ecosystems, food and biological fluids samples is then essential for global sustainability. While research efforts employing established methodology continue to advance conceptual/computational models of contaminant behavior, the increasing awareness and public concern with environmental and occupational exposure to toxic metals calls for sensing devices capable to handle on-site elemental analysis in short analysis time. Field analysis with potable methodology prevents unnecessary scrutiny of un-contaminated samples via laboratory-bound methods, reduces analysis cost and expedites turnaround time for decision making and remediation purposes. Of particular toxicological interest are mercury and its species. Mercury is recognized as a major environmental pollution issue. The field-portable sensor developed in this project provides a unique and valuable tool for the on-site, real-time determination of inorganic mercury in surface waters. The ability to perform on-site analysis of mercury should prove useful in remote locations with difficult accessibility. It should facilitate data collection from statistically meaningful population sizes for a better understanding of the dose-effect role and the water-soil-plant-animal-human transfer mechanisms. The acquired knowledge should benefit the development of efficient environmental remediation processes, which is extremely relevant for a globally sustainable environment.

  11. Water adsorption on SrTiO3(001): II. Water, water, everywhere A.E. Becerra-Toledo a,

    E-Print Network [OSTI]

    Marks, Laurence D.

    Water adsorption on SrTiO3(001): II. Water, water, everywhere A.E. Becerra-Toledo a, , J January 2012 Available online 17 January 2012 Keywords: Strontium titanate Density functional theory Water adsorption Surface reconstruction X-ray photoelectron spectroscopy Oxide surfaces The role of water

  12. Gold, Copper, and Platinum Nanoparticles Dispersed on CeOx/TiO2(110) Surfaces: High Water-Gas Shift Activity and the Nature of the Mixed-Metal Oxide at the Nanometer Level

    SciTech Connect (OSTI)

    Park, J.; Graciani, J; Evans, J; Stacchiola, D; Senanayake, S; Barrio, L; Liu, P; Fdez. Sanz, J; Hrbek, J; Rodriguez, J

    2010-01-01T23:59:59.000Z

    At small coverages of ceria on TiO{sub 2}(110), the CeO{sub x} nanoparticles have an unusual coordination mode. Scanning tunneling microscopy and density-functional calculations point to the presence of Ce{sub 2}O{sub 3} dimers, which form diagonal arrays that have specific orientations of 0, 24, and 42{sup o} with respect to the [1 -1 0] direction of the titania substrate. At high coverages of ceria on TiO{sub 2}(110), the surface exhibits two types of terraces. In one type, the morphology is not very different from that observed at low ceria coverage. However, in the second type of terrace, there is a compact array of ceria particles with structures that do not match the structures of CeO{sub 2}(111) or CeO{sub 2}(110). The titania substrate imposes on the ceria nanoparticles nontypical coordination modes, enhancing their chemical reactivity. This phenomenon leads to a larger dispersion of supported metal nanoparticles (M = Au, Cu, Pt) and makes possible the direct participation of the oxide in catalytic reactions. The M/CeO{sub x}/TiO{sub 2}(110) surfaces display an extremely high catalytic activity for the water-gas shift reaction that follows the sequence Au/CeO{sub x}/TiO{sub 2}(110) < Cu/CeO{sub x}/TiO{sub 2}(110) < Pt/CeO{sub x}/TiO{sub 2}(110). For low coverages of Cu and CeO{sub x}, Cu/CeO{sub x}/TiO{sub 2}(110) is 8-12 times more active than Cu(111) or Cu/ZnO industrial catalysts. In the M/CeO{sub x}/TiO{sub 2}(110) systems, there is a strong coupling of the chemical properties of the admetal and the mixed-metal oxide: The adsorption and dissociation of water probably take place on the oxide, CO adsorbs on the admetal nanoparticles, and all subsequent reaction steps occur at the oxide-admetal interface. The high catalytic activity of the M/CeO{sub x}/TiO{sub 2}(110) surfaces reflects the unique properties of the mixed-metal oxide at the nanometer level.

  13. Gold, Copper and Platinum Nanoparticles Dispersed on CeOx/TiO2(110) Surfaces: High Water-Gas Shift Activity and the Nature of the Mixed-Metal Oxide at the Nanometer Level

    SciTech Connect (OSTI)

    Rodriguez, J.A.; Park, J.B.; Graciani, J.; Evans, J.; Stacchiola, D.; Senanayake, S.D.; Barrio, L.; Liu, P.; Sanz, J.F.; Hrbek, J.

    2010-01-13T23:59:59.000Z

    At small coverages of ceria on TiO{sub 2}(110), the CeO{sub x} nanoparticles have an unusual coordination mode. Scanning tunneling microscopy and density-functional calculations point to the presence of Ce{sub 2}O{sub 3} dimers, which form diagonal arrays that have specific orientations of 0, 24, and 42{sup o} with respect to the [1 -1 0] direction of the titania substrate. At high coverages of ceria on TiO{sub 2}(110), the surface exhibits two types of terraces. In one type, the morphology is not very different from that observed at low ceria coverage. However, in the second type of terrace, there is a compact array of ceria particles with structures that do not match the structures of CeO{sub 2}(111) or CeO{sub 2}(110). The titania substrate imposes on the ceria nanoparticles nontypical coordination modes, enhancing their chemical reactivity. This phenomenon leads to a larger dispersion of supported metal nanoparticles (M = Au, Cu, Pt) and makes possible the direct participation of the oxide in catalytic reactions. The M/CeO{sub x}/TiO{sub 2}(110) surfaces display an extremely high catalytic activity for the water-gas shift reaction that follows the sequence Au/CeO{sub x}/TiO{sub 2}(110) < Cu/CeO{sub x}/TiO{sub 2}(110) < Pt/CeO{sub x}/TiO{sub 2}(110). For low coverages of Cu and CeO{sub x}, Cu/CeO{sub x}/TiO{sub 2}(110) is 8-12 times more active than Cu(111) or Cu/ZnO industrial catalysts. In the M/CeO{sub x}/TiO{sub 2}(110) systems, there is a strong coupling of the chemical properties of the admetal and the mixed-metal oxide: The adsorption and dissociation of water probably take place on the oxide, CO adsorbs on the admetal nanoparticles, and all subsequent reaction steps occur at the oxide-admetal interface. The high catalytic activity of the M/CeO{sub x}/TiO{sub 2}(110) surfaces reflects the unique properties of the mixed-metal oxide at the nanometer level.

  14. Other Surface Impoundments and Land Applications (Oklahoma)

    Broader source: Energy.gov [DOE]

    A water quality permit is required from the Department of Environmental Quality to construct, install, operate or close any industrial surface impoundment, industrial septic tank or treatment...

  15. Energy -Matter Interactions: Water Open water covers about 74% of the

    E-Print Network [OSTI]

    Frank, Thomas D.

    Energy - Matter Interactions: Water #12;Open water covers about 74% of the earth's surface. Oceans's Terra satellite on March 5, 2001 shows the murky brown water of the Mississippi mixing with the dark this material come from? #12;Energy - Matter Interactions As incident light strikes the water surface, some

  16. II. Properties of Water 1. Ice and Liquid water structure

    E-Print Network [OSTI]

    Frey, Terry

    Heat Capacity 4. Solvent Properties 5. Dissociation: Acids & Bases / pH II. Organic Chemistry A transport in plants #12;Water has a high specific heat capacity specific heat capacity = amount of energyII. Properties of Water 1. Ice and Liquid water structure 2. Cohesion / Surface Tension 3. High

  17. Ground water elevation monitoring at the Uranium Mill Tailings Remedial Action Salt Lake City, Utah, Vitro processing site

    SciTech Connect (OSTI)

    NONE

    1995-04-01T23:59:59.000Z

    In February 1994, a ground water level monitoring program was begun at the Vitro processing site. The purpose of the program was to evaluate how irrigating the new golf driving range affected ground water elevations in the unconfined aquifer. The program also evaluated potential impacts of a 9-hole golf course planned as an expansion of the driving range. The planned golf course expansion would increase the area to be irrigated and, thus, the water that could infiltrate the processing site soil to recharge the unconfined aquifer. Increased water levels in the aquifer could alter the ground water flow regime; contaminants in ground water could migrate off the site or could discharge to bodies of surface water in the area. The potential effects of expanding the golf course have been evaluated, and a report is being prepared. Water level data obtained during this monitoring program indicate that minor seasonal mounding may be occurring in response to irrigation of the driving range. However, the effects of irrigation appear small in comparison to the effects of precipitation. There are no monitor wells in the area that irrigation would affect most; that data limitation makes interpretations of water levels and the possibility of ground water mounding uncertain. Limitations of available data are discussed in the conclusion.

  18. Ground-water effects of the UCG experiments at the Hoe Creek site in northeastern Wyoming

    SciTech Connect (OSTI)

    Mead, S.W.; Wang, F.T.; Stuermer, D.H.

    1981-06-01T23:59:59.000Z

    Ground-water changes and subsidence effects associated with three underground coal gasification (UCG) experiments have been monitored at the Hoe Creek site in northeastern Wyoming. Ground-water quality measurements have extended over a period of four years and have been supplemented by laboratory studies of contaminant sorption by coal. It was found that a broad range of residual gasification products are introduced into the ground-water system. These contaminants may be of environmental significance if they find their way, in sufficient concentrations, into surface waters, or into aquifers from which water is extracted for drinking or agricultural purposes. Fortunately, the concentrations of these contaminants are substantially reduced by sorption on the surrounding coal. However, recent field measurements indicate that there may be significant limitations on this natural cleansing process. The contaminants of potential concern, and the mechanisms that affect their deposition and persistence have been identified.

  19. WATER DISTRIBUTION SYSTEM OPERATION: APPLICATION OF

    E-Print Network [OSTI]

    Mays, Larry W.

    CHAPTER 5 WATER DISTRIBUTION SYSTEM OPERATION: APPLICATION OF SIMULATED ANNEALING Fred E. Goldman Arizona State University, Tempe, Arizona 5.1 INTRODUCTION The operation of water distribution systems affects the water quality in these systems. EPA regulations require that water quality be maintained

  20. How intimacy affects resource conceptualization

    E-Print Network [OSTI]

    Dunn, Allison L

    2001-01-01T23:59:59.000Z

    Previous research regarding Foa and Foa's Resource Theory does not address whether the level of intimacy shared between the actors affects their resource conceptualization. Furthermore, siblings have not been utilized as a separate intimacy group...

  1. Guidelines for Developing Soil and Water Management Programs: Irrigated Pecans

    E-Print Network [OSTI]

    Miyamoto, S.

    The book describes the performance of pecan trees; water testing; determining how water quality may affect tree growth; improving drainage; selecting an irrigation system, and water conditioning to manage nutrients. It also describes how to estimate...

  2. E-Print Network 3.0 - affects pseudomonas aeruginosa Sample Search...

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

    Desalination and Water... Biofilm formation of Pseudomonas aeruginosa on the surface of a reverse osmosis (RO) membrane was studied... osmosis; biofilms; Pseudomonas aeruginosa ......

  3. What's In My Water?

    E-Print Network [OSTI]

    Provin, Tony; Pitt, John L.

    2003-04-21T23:59:59.000Z

    .The salts in conductivity levels are conductivity levels. allow for too much water to evaporate water are not just table high, evaluate other from the surface, or where soils are salt, but are often a individual characteristics naturally high in salts...- tive safety margin. You can have your water analyzed by a government agency or a private company. 13 Salt: an organic or inorganic com- pound that is subject to dissociation when water is added, resulting in a dis- tinct increase in specific anions...

  4. Getting Our Feet Wet: Water Management at Mt. Laguna in Cleveland National Forest

    E-Print Network [OSTI]

    Mumby, William Cade

    2013-01-01T23:59:59.000Z

    The mountain lacks potable surface water sources causingNo concerns about water scarcity due to lack of largecontaminated water or faulty infrastructure and lack the

  5. Downscaled climate change impacts on agricultural water resources in Puerto Rico

    E-Print Network [OSTI]

    Harmsen, E.W.

    2010-01-01T23:59:59.000Z

    impacts uncertainty for water resources in the San JoaquinJournal of the American Water Resources Association.approach for surface subsurface water transport modeling in

  6. Designing liquid repellent surfaces for fabrics, feathers and fog

    E-Print Network [OSTI]

    Chhatre, Shreerang S. (Shreerang Sharad)

    2013-01-01T23:59:59.000Z

    Omniphobicity refers to a property of surfaces which are not wetted by water, oils, alcohols and other low surface tension liquids. Robust omniphobic surfaces can be applied in many areas including fabrics with chemical / ...

  7. Liquid-Water Uptake and Removal in PEM Fuel-Cell Components

    SciTech Connect (OSTI)

    Das, Prodip K.; Gunterman, Haluna P.; Kwong, Anthony; Weber, Adam Z.

    2011-09-23T23:59:59.000Z

    Management of liquid water is critical for optimal fuel-cell operation, especially at low temperatures. It is therefore important to understand the wetting properties and water holdup of the various fuel-cell layers. While the gas-diffusion layer is relatively hydrophobic and exhibits a strong intermediate wettability, the catalyst layer is predominantly hydrophilic. In addition, the water content of the ionomer in the catalyst layer is lower than that of the bulk membrane, and is affected by platinum surfaces. Liquid-water removal occurs through droplets on the surface of the gas-diffusion layer. In order to predict droplet instability and detachment, a force balance is used. While the pressure or drag force on the droplet can be derived, the adhesion or surface-tension force requires measurement using a sliding-angle approach. It is shown that droplets produced by forcing water through the gas-diffusion layer rather than placing them on top of it show much stronger adhesion forces owing to the contact to the subsurface water.

  8. Surface Water Sampling | 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 Home5b9fcbce19 No revisionEnvReviewNonInvasiveExplorationUT-g GrantAtlas (PACAOpenSummerside WindSolarSampling Jump to:Sampling Jump

  9. Enhanced convective and film boiling heat transfer by surface gas injection

    SciTech Connect (OSTI)

    Duignan, M.R.; Greene, G.A. [Brookhaven National Lab., Upton, NY (United States); Irvine, T.F., Jr. [State Univ. of New York, Stony Brook, NY (United States). Dept. of Mechanical Engineering

    1992-04-01T23:59:59.000Z

    Heat transfer measurements were made for stable film boiling of water over a horizontal, flat stainless steel plate from the minimum film boiling point temperature, T{sub SURFACE} {approximately}500K, to T{sub SURFACE} {approximately}950K. The pressure at the plate was approximately 1 atmosphere and the temperature of the water pool was maintained at saturation. The data were compared to the Berenson film-boiling model, which was developed for minimum film-boiling-point conditions. The model accurately represented the data near the minimum film-boiling point and at the highest temperatures measured, as long it was corrected for the heat transferred by radiation. On the average, the experimental data lay within {plus_minus}7% of the model. Measurements of heat transfer were made without film boiling for nitrogen jetting into an overlying pool of water from nine 1-mm- diameter holes, drilled in the heat transfer plate. The heat flux was maintained constant at approximately 26.4 kW/m{sup 2}. For water-pool heights of less than 6cm the heat transfer coefficient deceased linearly with a decrease in heights. Above 6cm the heat transfer coefficient was unaffected. For the entire range of gas velocities measured [0 to 8.5 cm/s], the magnitude of the magnitude of the heat transfer coefficient only changed by approximately 20%. The heat transfer data bound the Konsetov model for turbulent pool heat transfer which was developed for vertical heat transfer surfaces. This agreement suggests that surface orientation may not be important when the gas jets do not locally affect the surface heat transfer. Finally, a database was developed for heat transfer from the plate with both film boiling and gas jetting occurring simultaneously, in a pool of water maintained at its saturation temperature. The effect of passing nitrogen through established film boiling is to increase the heat transfer from that surface. 60 refs.

  10. Enhanced convective and film boiling heat transfer by surface gas injection

    SciTech Connect (OSTI)

    Duignan, M.R.; Greene, G.A. (Brookhaven National Lab., Upton, NY (United States)); Irvine, T.F., Jr. (State Univ. of New York, Stony Brook, NY (United States). Dept. of Mechanical Engineering)

    1992-04-01T23:59:59.000Z

    Heat transfer measurements were made for stable film boiling of water over a horizontal, flat stainless steel plate from the minimum film boiling point temperature, T{sub SURFACE} {approximately}500K, to T{sub SURFACE} {approximately}950K. The pressure at the plate was approximately 1 atmosphere and the temperature of the water pool was maintained at saturation. The data were compared to the Berenson film-boiling model, which was developed for minimum film-boiling-point conditions. The model accurately represented the data near the minimum film-boiling point and at the highest temperatures measured, as long it was corrected for the heat transferred by radiation. On the average, the experimental data lay within {plus minus}7% of the model. Measurements of heat transfer were made without film boiling for nitrogen jetting into an overlying pool of water from nine 1-mm- diameter holes, drilled in the heat transfer plate. The heat flux was maintained constant at approximately 26.4 kW/m{sup 2}. For water-pool heights of less than 6cm the heat transfer coefficient deceased linearly with a decrease in heights. Above 6cm the heat transfer coefficient was unaffected. For the entire range of gas velocities measured (0 to 8.5 cm/s), the magnitude of the magnitude of the heat transfer coefficient only changed by approximately 20%. The heat transfer data bound the Konsetov model for turbulent pool heat transfer which was developed for vertical heat transfer surfaces. This agreement suggests that surface orientation may not be important when the gas jets do not locally affect the surface heat transfer. Finally, a database was developed for heat transfer from the plate with both film boiling and gas jetting occurring simultaneously, in a pool of water maintained at its saturation temperature. The effect of passing nitrogen through established film boiling is to increase the heat transfer from that surface. 60 refs.

  11. Complex Forces Affect China's Biodiversity

    E-Print Network [OSTI]

    global efforts have been put into biodiversity conservation, but biodiversity loss continues rapidly in biodiversity conservation to the global level and help protect biodiversity in other developing countries Wiley & Sons, Ltd. #12;208 ConservationBiology COMPLEXITY OF INTERACTING FORCES AFFECTING BIODIVERSITY

  12. UNIVERSITIES COUNCIL ON WATER RESOURCES JOURNAL OF CONTEMPORARY WATER RESEARCH & EDUCATION

    E-Print Network [OSTI]

    Delaware, University of

    . It is shown that water use affects primarily the generation and consumptive aspects of the energy sector that exploits the synergies between the energy and water sectors. Synergic benefits derived from water, whereas~ energy utilization ilnpacts all aspects of the water sector. In California, around 19 percent

  13. Water Management: Clearing Cloudy and Muddy Water in Ponds and Lakes

    E-Print Network [OSTI]

    , including bass, to see and capture prey. Muddy waters may impart a bad flavor to fish. Such waters also can- tion for game fish and other aquatic animals. Cloudy water interferes with the ability of certain fish-feeding fish such as carp and bullheads also can affect water clarity. These animals root and stir up

  14. GROUND WATER USE FOR COOLING: ASSOCIATED AQUIFER TEMPERATURE CHANGES

    E-Print Network [OSTI]

    Lippmann, Marcelo J.

    2012-01-01T23:59:59.000Z

    steam-electric power plants, large voluMes of surface waters are used for cooling the planes condensers

  15. Pump station for radioactive waste water

    DOE Patents [OSTI]

    Whitton, John P.; Klos, Dean M.; Carrara, Danny T.; Minno, John J.

    2003-11-18T23:59:59.000Z

    A pump station for transferring radioactive particle containing waste water, includes: (a.) an enclosed sump having a vertically elongated right frusto conical wall surface and a bottom surface and (b.) a submersible volute centrifugal pump having a horizontally rotating impeller and a volute exterior surface. The sump interior surface, the bottom surface and the volute exterior surface are made of stainless steel having a 30 Ra or finer surface finish. A 15 Ra finish has been found to be most cost effective. The pump station is used for transferring waste water, without accumulation of radioactive fines.

  16. Nationwide water availability data for energy-water modeling.

    SciTech Connect (OSTI)

    Tidwell, Vincent Carroll; Zemlick, Katie M.; Klise, Geoffrey Taylor

    2013-11-01T23:59:59.000Z

    The purpose of this effort is to explore where the availability of water could be a limiting factor in the siting of new electric power generation. To support this analysis, water availability is mapped at the county level for the conterminous United States (3109 counties). Five water sources are individually considered, including unappropriated surface water, unappropriated groundwater, appropriated water (western U.S. only), municipal wastewater and brackish groundwater. Also mapped is projected growth in non-thermoelectric consumptive water demand to 2035. Finally, the water availability metrics are accompanied by estimated costs associated with utilizing that particular supply of water. Ultimately these data sets are being developed for use in the National Renewable Energy Laboratories' (NREL) Regional Energy Deployment System (ReEDS) model, designed to investigate the likely deployment of new energy installations in the U.S., subject to a number of constraints, particularly water.

  17. Texas Water Resources Institute Annual Technical Report

    E-Print Network [OSTI]

    water in Houston and its adjoining communities was produced from surface water. The remainingTexas Water Resources Institute Annual Technical Report FY 2000 Introduction The 2000 research, the evaluation of membrane technologies to treat drinking water, and the use of well nests to monitor recharge

  18. The Magic and Mysteries of Water

    E-Print Network [OSTI]

    Richmond, Geraldine L.

    The Magic and Mysteries of Water Speaker: Prof. Geri Richmond University of Oregon Water is ubiquitous in our lives. Covering more than two thirds of this planet, water surfaces provide a unique role in controlling our climate. In our bodies, water is the `canal of life', transporting and passing

  19. Water Resources Center Annual Technical Report

    E-Print Network [OSTI]

    for overall water quality and quantity research and implementation in Delaware include: enhanced management the federal Clean Water Act's rating system of designated uses (such as drinking water supply, swimming, fishing, etc.). Delaware has promulgated surface water quality standards which are designed to protect

  20. Water Resources Center Annual Technical Report

    E-Print Network [OSTI]

    for overall water quality and quantity research and implementation in Delaware include: enhanced management that have been classified using the federal Clean Water Act's rating system of designated uses (such as drinking water supply, swimming, fishing, etc.). Delaware has promulgated surface water quality standards

  1. Mississippi Water Resources Research Institute Annual Technical Report

    E-Print Network [OSTI]

    ; to assist state agencies in the development and maintenance of a state water management plan; and to facilitate and stimulate planning and management that: deals with water policy issues, supports state water include: water quality, surface and groundwater management, water quality management and water resources

  2. TEX-A-SYST: Reducing the Risk of Ground Water Contamination by Improving Milking Center Wastewater Treatment

    E-Print Network [OSTI]

    Harris, Bill L.; Hoffman, D.; Mazac Jr., F. J.

    1997-08-29T23:59:59.000Z

    be affected by manure, milk solids, ammonia, phosphorus, and detergents. Wastewater from the dairy milking center is made up of waste from the milking parlor (manure, feed solids, hoof dirt, bulk tank rinse water and detergent used in cleaning), and should... topics: 1. Combining wastes 2. Application methods 3. Slow surface infiltration Combining Wastes When milking center wastes are combined with manure a common disposal system can be used for both types of waste. A liquid manure storage facility, properly...

  3. Water Pollution Control Permit Regulations (Vermont)

    Broader source: Energy.gov [DOE]

    These regulations outline the permits and permitting processes for point discharges to surface waters and outline the monitoring and reporting requirements.

  4. Reservoir Management in Mediterranean Climates through the European Water Framework Directive

    E-Print Network [OSTI]

    O'Reilly, Clare; Silberblatt, Rafael

    2009-01-01T23:59:59.000Z

    By 2015, member states to the Water Framework Directive arestate and a Mediterranean-climate country, surface water andPlans member states may designate surface water bodies as

  5. Interactions of Water and Energy Mediate Responses of High-Latitude Terrestrial Ecosystems to Climate Change

    E-Print Network [OSTI]

    Subin, Zachary Marc

    2012-01-01T23:59:59.000Z

    to Inclusion of Inland Water Surfaces. J. Clim. , 8, 2691-Estimating sensitivities of water and carbon budgets. J.H. , 1955: Wind Stress Over a Water Surface. Quart. J. Roy.

  6. Ch.9 Water Resources ! Hydrologic cycle

    E-Print Network [OSTI]

    Pan, Feifei

    Energy Balance G Ts Td H LE Q t = Rn - LE - H - G where Q/t is the heat storage change of soil column in the liquid or solid phase at or near the land surface becomes water vapor. Water Bare soil Vegetated of the water molecules to a solid surface (e.g., soil or glass). #12;A simple soil-water-balance equation

  7. Remedial action plan and site design for stabilization of the inactive Uranium Mill Tailing site Maybell, Colorado. Attachment 3, ground water hydrology report, Attachment 4, water resources protection strategy. Final report

    SciTech Connect (OSTI)

    Not Available

    1994-06-01T23:59:59.000Z

    The U.S. Environmental Protection Agency (EPA) has established health and environmental regulations to correct and prevent ground water contamination resulting from former uranium processing activities at inactive uranium processing sites (40 CFR Part 192 (1993)) (52 FR 36000 (1978)). According to the Uranium Mill Tailings Radiation Control Act (UMTRCA) of 1978 (42 USC {section} 7901 et seq.), the U.S. Department of Energy (DOE) is responsible for assessing the inactive uranium processing sites. The DOE has decided that each assessment will include information on hydrogeologic site characterization. The water resources protection strategy that describes the proposed action compliance with the EPA ground water protection standards is presented in Attachment 4, Water Resources Protection Strategy. Site characterization activities discussed in this section include the following: (1) Definition of the hydrogeologic characteristics of the environment, including hydrostratigraphy, aquifer parameters, areas of aquifer recharge and discharge, potentiometric surfaces, and ground water velocities. (2) Definition of background ground water quality and comparison with proposed EPA ground water protection standards. (3) Evaluation of the physical and chemical characteristics of the contaminant source and/or residual radioactive materials. (4) Definition of existing ground water contamination by comparison with the EPA ground water protection standards. (5) Description of the geochemical processes that affect the migration of the source contaminants at the processing site. (6) Description of water resource use, including availability, current and future use and value, and alternate water supplies.

  8. X-rays at Solid-Liquid Surfaces

    SciTech Connect (OSTI)

    Dosch, Helmut (Max Planck Institute for Metals Research) [Max Planck Institute for Metals Research

    2007-05-02T23:59:59.000Z

    Solid-liquid interfaces play an important role in many areas of current and future technologies, and in our biosphere. They play a key role in the development of nanofluidics and nanotribology, which sensitively depend on our knowledge of the microscopic structures and phenomena at the solid-liquid interface. The detailed understanding of how a fluid meets a wall is also a theoretical challenge. In particular, the phenomena at repulsive walls are of interest, since they affect many different phenomena, such as water-repellent surfaces or the role of the hydrophobic interaction in protein folding. Recent x-ray reflectivity studies of various solid-liquid interfaces have disclosed rather intriguiing phenomena, which will be discussed in this lecture: premelting of ice in contact with silica; liquid Pb in contact with Si; water in contact with hydrophobic surfaces. These experiments, carried out with high-energy x-ray microbeams, reveal detailed insight into the liquid density profile closest to the wall. A detailed insight into atomistic phenomena at solid-liquid interfaces is also a prerequisite in the microscopic control of electrochemical reactions at interfaces. Recent x-ray studies show the enormous future potential of such non-destructive analytical tools for the in situ observation of (electro-)chemical surface reactions. This lecture will review recent x-ray experiments on solid-liquid interfaces.

  9. DOE ZERH Webinar: Efficient Hot Water Distribution II: How to Get it Right

    Broader source: Energy.gov [DOE]

    Zero Energy Ready Homes include critical systems to ensure both energy efficiency and performance.  Hot water distribution is one of these critical systems – affecting energy use , water...

  10. E-Print Network 3.0 - american water flea Sample Search Results

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

    earth at reducing populations Summary: affected than those that must metabolize water from their food sources. Both fleas and blow flies... lost water faster and more...

  11. DOE ZERH Webinar: Efficient Hot Water Distribution I: What's at Stake

    Broader source: Energy.gov [DOE]

    Zero Energy Ready Homes include critical systems to ensure both energy efficiency and performance.  Hot water distribution is one of these critical systems – affecting energy use , water...

  12. Water Intoxication

    E-Print Network [OSTI]

    Lingampalli, Nithya

    2013-01-01T23:59:59.000Z

    2008, May 14). Too much water raises seizure risk in babies.id=4844 9. Schoenly, Lorry. “Water Intoxication and Inmates:article/246650- overview>. 13. Water intoxication alert. (

  13. Analysis of Transportation and Logistics Challenges Affecting...

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

    of Transportation and Logistics Challenges Affecting the Deployment of Larger Wind Turbines: Summary of Results Analysis of Transportation and Logistics Challenges Affecting...

  14. Surface Dependent Representations for Illumination Insensitive Image Comparison

    E-Print Network [OSTI]

    Lindenbaum, Michael

    . Lighting variation significantly affects surface appearance and makes image comparison difficultSurface Dependent Representations for Illumination Insensitive Image Comparison Margarita Osadchy the problem of matching images to tell whether they come from the same scene viewed under different lighting

  15. An Investigation of Hydrological Aspects of Water Harvesting

    E-Print Network [OSTI]

    Wilke, O.; Runkles, J.; Wendt, C.

    Water harvesting is a potential source of water for arid and semiarid lands. The objectives of this study were to determine combinations of land surface treatments and land forming which result in efficient but inexpensive water harvesting...

  16. Water Quality

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

    of desalination research. The primary technological method of generating additional water supplies is through desalination and enhanced water reuse and recycling technologies....

  17. Soil type, crop and irrigation technique affect nitrogen leaching to groundwater

    E-Print Network [OSTI]

    Letey, John; Vaughan, Peter

    2013-01-01T23:59:59.000Z

    water contamination with MTBE (methyl tertiary-butyl ether,that areas vulnerable to MTBE are also vulner- able tothat affect the movement of MTBE. If only a small amount of

  18. 33 CFR 322: Permits for Structures or Work in or Affecting Navigable...

    Open Energy Info (EERE)

    to library Legal Document- RegulationRegulation: 33 CFR 322: Permits for Structures or Work in or Affecting Navigable Waters of the United StatesLegal Abstract These regulations...

  19. Center for Water Resources Research Annual Technical Report

    E-Print Network [OSTI]

    in assessing the susceptibility of surface water supplies to pollution from current and future activities water, source water, pollution sources, watershed management Primary PI: Darwin L. Sorensen Other PIs of surface water supplies to pollution from current and future activities in the watershed. The major

  20. METHANE SOURCES AND SINKS IN UPPER OCEAN WATERS

    E-Print Network [OSTI]

    Luther, Douglas S.

    METHANE SOURCES AND SINKS IN UPPER OCEAN WATERS A DISSERTATION SUBMITTED TO THE GRADUATE DIVISION the distribution of dissolved methane in ocean surface waters were investigated. Water column and sediment trap and Antarctic waters to the oliogotrophic ocean off Hawaii. The methane concentrations in most of the surface

  1. Impact of drought on U.S. steam electric power plant cooling water intakes and related water resource management issues.

    SciTech Connect (OSTI)

    Kimmell, T. A.; Veil, J. A.; Environmental Science Division

    2009-04-03T23:59:59.000Z

    This report was funded by the U.S. Department of Energy's (DOE's) National Energy Technology Laboratory (NETL) Existing Plants Research Program, which has an energy-water research effort that focuses on water use at power plants. This study complements their overall research effort by evaluating water availability at power plants under drought conditions. While there are a number of competing demands on water uses, particularly during drought conditions, this report focuses solely on impacts to the U.S. steam electric power plant fleet. Included are both fossil-fuel and nuclear power plants. One plant examined also uses biomass as a fuel. The purpose of this project is to estimate the impact on generation capacity of a drop in water level at U.S. steam electric power plants due to climatic or other conditions. While, as indicated above, the temperature of the water can impact decisions to halt or curtail power plant operations, this report specifically examines impacts as a result of a drop in water levels below power plant submerged cooling water intakes. Impacts due to the combined effects of excessive temperatures of the returned cooling water and elevated temperatures of receiving waters (due to high ambient temperatures associated with drought) may be examined in a subsequent study. For this study, the sources of cooling water used by the U.S. steam electric power plant fleet were examined. This effort entailed development of a database of power plants and cooling water intake locations and depths for those plants that use surface water as a source of cooling water. Development of the database and its general characteristics are described in Chapter 2 of this report. Examination of the database gives an indication of how low water levels can drop before cooling water intakes cease to function. Water level drops are evaluated against a number of different power plant characteristics, such as the nature of the water source (river vs. lake or reservoir) and type of plant (nuclear vs. fossil fuel). This is accomplished in Chapter 3. In Chapter 4, the nature of any compacts or agreements that give priority to users (i.e., which users must stop withdrawing water first) is examined. This is examined on a regional or watershed basis, specifically for western water rights, and also as a function of federal and state water management programs. Chapter 5 presents the findings and conclusions of this study. In addition to the above, a related intent of this study is to conduct preliminary modeling of how lowered surface water levels could affect generating capacity and other factors at different regional power plants. If utility managers are forced to take some units out of service or reduce plant outputs, the fuel mix at the remaining plants and the resulting carbon dioxide emissions may change. Electricity costs and other factors may also be impacted. Argonne has conducted some modeling based on the information presented in the database described in Chapter 2 of this report. A separate report of the modeling effort has been prepared (Poch et al. 2009). In addition to the U.S. steam electric power plant fleet, this modeling also includes an evaluation of power production of hydroelectric facilities. The focus of this modeling is on those power plants located in the western United States.

  2. Water quality management plan for Cherokee Reservoir

    SciTech Connect (OSTI)

    Not Available

    1984-01-01T23:59:59.000Z

    The management plan provides an assessment of Cherokee Reservoir's current water quality, identifies those factors which affect reservoir water quality, and develops recommendations aimed at restoring or maintaining water quality at levels sufficient to support diverse beneficial uses. 20 references, 8 figures, 15 tables. (ACR)

  3. Kansas Water Office November 14, 2012

    E-Print Network [OSTI]

    adequate quantities of good quality water to meet future needs. #12;#12;Kansas Reservoir Loss of Capacity 0 that adversely affect the water quality of Kansas lakes and streams. Ensure that water quality conditions are maintained at a level equal to or better than year 2000 conditions. Reduce total nitrogen and phosphorus

  4. Arkansas Water Resources Center Annual Technical Report

    E-Print Network [OSTI]

    by the Water Resources Research Act of 1964. The AWRC in cooperation with the US Geological Survey and pollution, water quality, and ecosystems. AWRC acts as a liaison between funding groups and the scientists-term runoff water quality in response to natural rainfall as affected by poultry litter application rate

  5. Embedded fiducials in optical surfaces

    DOE Patents [OSTI]

    Sommargren, Gary E. (Santa Cruz, CA)

    2000-01-01T23:59:59.000Z

    Embedded fiducials are provided in optical surfaces and a method for embedding the fiducials. Fiducials, or marks on a surface, are important for optical fabrication and alignment, particularly when individual optical elements are aspheres. Fiducials are used during the course of the polishing process to connect interferometric data, and the equation describing the asphere, to physical points on the optic. By embedding fiducials below the surface of the optic and slightly outside the clear aperture of the optic, the fiducials are not removed by polishing, do not interfere with the polishing process, and do not affect the performance of the finished optic.

  6. Drinking Water Problems: Corrosion

    E-Print Network [OSTI]

    Drinking Water Problems: Corrosion Mark L. McFarland, Tony L. Provin, and Diane E. Boellstorff and fail. Corrosion can cause three types of damage: · The entire metal surface gradually thins and red (Fig. 1). · Deep pits appear that can penetrate pipe or tank walls. This type of corrosion may not add

  7. Arkansas Water Resources Center

    E-Print Network [OSTI]

    Soerens, Thomas

    nutrient loading of surface streams and reservoirs in northwest Arkansas, identifying and evaluating the viability of alternate water supplies using abandoned, flooded coal mines for the City of Greenwood Phosphorus Flux in Streams and Reservoirs: Effect of Chemical Amendments Basic Information Title: Phosphorus

  8. Programmable surfaces

    E-Print Network [OSTI]

    Sun, Amy (Amy Teh-Yu)

    2012-01-01T23:59:59.000Z

    Robotic vehicles walk on legs, roll on wheels, are pulled by tracks, pushed by propellers, lifted by wings, and steered by rudders. All of these systems share the common character of momentum transport across their surfaces. ...

  9. Detection of Heavy Metal Ions in Drinking Water Using a

    E-Print Network [OSTI]

    Chen, Wilfred

    Detection of Heavy Metal Ions in Drinking Water Using a High-Resolution Differential Surface-resolution differential surface plasmon resonance (SPR) sensor for heavy metal ion detection. The sensor surface the sensing surface with peptides NH2- Gly-Gly-His-COOH and NH2-(His)6-COOH. Cu2+ in drinking water was tested

  10. A Subbasin-based framework to represent land surface processes in an Earth System Model

    SciTech Connect (OSTI)

    Tesfa, Teklu K.; Li, Hongyi; Leung, Lai-Yung R.; Huang, Maoyi; Ke, Yinghai; Sun, Yu; Liu, Ying

    2014-05-20T23:59:59.000Z

    Realistically representing spatial heterogeneity and lateral land surface processes within and between modeling units in earth system models is important because of their implications to surface energy and water exchange. The traditional approach of using regular grids as computational units in land surface models and earth system models may lead to inadequate representation of lateral movements of water, energy and carbon fluxes, especially when the grid resolution increases. Here a new subbasin-based framework is introduced in the Community Land Model (CLM), which is the land component of the Community Earth System Model (CESM). Local processes are represented assuming each subbasin as a grid cell on a pseudo grid matrix with no significant modifications to the existing CLM modeling structure. Lateral routing of water within and between subbasins is simulated with the subbasin version of a recently-developed physically based routing model, Model for Scale Adaptive River Routing (MOSART). As an illustration, this new framework is implemented in the topographically diverse region of the U.S. Pacific Northwest. The modeling units (subbasins) are delineated from high-resolution Digital Elevation Model while atmospheric forcing and surface parameters are remapped from the corresponding high resolution datasets. The impacts of this representation on simulating hydrologic processes are explored by comparing it with the default (grid-based) CLM representation. In addition, the effects of DEM resolution on parameterizing topography and the subsequent effects on runoff processes are investigated. Limited model evaluation and comparison showed that small difference between the averaged forcing can lead to more significant difference in the simulated runoff and streamflow because of nonlinear horizontal processes. Topographic indices derived from high resolution DEM may not improve the overall water balance, but affect the partitioning between surface and subsurface runoff. More systematic analyses are needed to determine the relative merits of the subbasin representation compared to the commonly used grid-based representation, especially when land surface models are approaching higher resolutions.

  11. Optimal arrangement of structural and functional parts in a flat plate integrated collector storage solar water heater (ICSSWH)

    SciTech Connect (OSTI)

    Gertzos, K.P.; Caouris, Y.G. [Department of Mechanical Engineering and Aeronautics, University of Patras, 265 00 Patras (Greece)

    2008-04-15T23:59:59.000Z

    Parameters that affect the efficiency of a flat plate integrated collector storage solar water heater (ICSSWH) are examined experimentally and numerically. This specific ICSSWH contains water that is not refreshed. The service water is heated indirectly through an immersed heat exchanger (HE) in contact with the front and back major surfaces. A forced convection mechanism consisting of a pump that brings the storage water into motion by recirculation is used for heat transfer intensification. The two major (front and back) flat plate surfaces need to be well interconnected so that they are not deformed by the weight of the contained water and the exerted high-pressure. Two main factors that influence the performance are optimized: the position and size of the recirculation ports and the arrangement and size of the interconnecting fins. Both factors are explored to maximize the velocity flow field of the recirculated storage water. Consequently, the heat transfer rate between the two water circuits is maintained at high levels. Various 3D computational fluid dynamics (CFD) models are developed using the FLUENT package. An experimental model, made by Plexiglas, is used for the visualization of the flow field. Flow velocities are measured using a laser doppler velocimetry (LDV) system. The optimal arrangement increases the mean storage water velocity by 65% and raises the outlet temperatures up to 8 C. (author)

  12. Water vapor and the dynamics of climate changes

    E-Print Network [OSTI]

    Schneider, Tapio; Levine, Xavier

    2009-01-01T23:59:59.000Z

    Water vapor is not only Earth's dominant greenhouse gas. Through the release of latent heat when it condenses, it also plays an active role in dynamic processes that shape the global circulation of the atmosphere and thus climate. Here we present an overview of how latent heat release affects atmosphere dynamics in a broad range of climates, ranging from extremely cold to extremely warm. Contrary to widely held beliefs, atmospheric circulation statistics can change non-monotonically with global-mean surface temperature, in part because of dynamic effects of water vapor. For example, the strengths of the tropical Hadley circulation and of zonally asymmetric tropical circulations, as well as the kinetic energy of extratropical baroclinic eddies, can be lower than they presently are both in much warmer climates and in much colder climates. We discuss how latent heat release is implicated in such circulation changes, particularly through its effect on the atmospheric static stability, and we illustrate the circul...

  13. Wetting and friction on superoleophobic surfaces March 20, 2009

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    then focus on their friction properties, and es- tablish an important condition for their use as super-lubricating,15­18 . Similar surfaces can be produced to repel oil, but repelling both oil and water with the same surface is a true challenge since surfaces that repel water are usu- ally attracting oils. The recently introduced

  14. Marketing water

    E-Print Network [OSTI]

    Wythe, Kathy

    2008-01-01T23:59:59.000Z

    management, water conservation programs Story by Kathy Wythe tx H2O | pg. 17 public information programs and materials that increase awareness about regional water issues. The company recently opened the TecH2O, a water resource learning center...tx H2O | pg. 16 W ith rapid population growth and the memory of the worst drought in 50 years, cities and groups are promoting programs that educate their constituents about water quality, water conservation, and landscape management. Many...

  15. INEEL Source Water Assessment

    SciTech Connect (OSTI)

    Sehlke, Gerald

    2003-03-01T23:59:59.000Z

    The Idaho National Engineering and Environmental Laboratory (INEEL) covers approximately 890 mi2 and includes 12 public water systems that must be evaluated for Source water protection purposes under the Safe Drinking Water Act. Because of its size and location, six watersheds and five aquifers could potentially affect the INEEL’s drinking water sources. Based on a preliminary evaluation of the available information, it was determined that the Big Lost River, Birch Creek, and Little Lost River Watersheds and the eastern Snake River Plain Aquifer needed to be assessed. These watersheds were delineated using the United States Geologic Survey’s Hydrological Unit scheme. Well capture zones were originally estimated using the RESSQC module of the Environmental Protection Agency’s Well Head Protection Area model, and the initial modeling assumptions and results were checked by running several scenarios using Modflow modeling. After a technical review, the resulting capture zones were expanded to account for the uncertainties associated with changing groundwater flow directions, a thick vadose zone, and other data uncertainties. Finally, all well capture zones at a given facility were merged to a single wellhead protection area at each facility. A contaminant source inventory was conducted, and the results were integrated with the well capture zones, watershed and aquifer information, and facility information using geographic information system technology to complete the INEEL’s Source Water Assessment. Of the INEEL’s 12 public water systems, three systems rated as low susceptibility (EBR-I, Main Gate, and Gun Range), and the remainder rated as moderate susceptibility. No INEEL public water system rated as high susceptibility. We are using this information to develop a source water management plan from which we will subsequently implement an INEEL-wide source water management program. The results are a very robust set of wellhead protection areas that will protect the INEEL’s public water systems yet not too conservative to inhibit the INEEL from carrying out its missions.

  16. O of water vapour, evapotranspiration and the sites of leaf water evaporation in a soybean canopy

    E-Print Network [OSTI]

    Lee, Xuhui

    , leaving surface water pools more enriched in the heavy isotopo- logues (H2 18 O). The enrichment is linkedd18 O of water vapour, evapotranspiration and the sites of leaf water evaporation in a soybean Department of Soil, Water, and Climate, University of Minnesota, St. Paul, MN 55108, USA and 3 Agricultural

  17. Polyamide desalination membrane characterization and surface modification to enhance fouling resistance.

    SciTech Connect (OSTI)

    Sharma, Mukul M. (Univeristy of Texas at Austin, Austin, TX); Freeman, Benny D. (Univeristy of Texas at Austin, Austin, TX); Van Wagner, Elizabeth M. (Univeristy of Texas at Austin, Austin, TX); Hickner, Michael A. (Pennsylvania State University, University Park, PA); Altman, Susan Jeanne

    2010-08-01T23:59:59.000Z

    The market for polyamide desalination membranes is expected to continue to grow during the coming decades. Purification of alternative water sources will also be necessary to meet growing water demands. Purification of produced water, a byproduct of oil and gas production, is of interest due to its dual potential to provide water for beneficial use as well as to reduce wastewater disposal costs. However, current polyamide membranes are prone to fouling, which decreases water flux and shortens membrane lifetime. This research explored surface modification using poly(ethylene glycol) diglycidyl ether (PEGDE) to improve the fouling resistance of commercial polyamide membranes. Characterization of commercial polyamide membrane performance was a necessary first step before undertaking surface modification studies. Membrane performance was found to be sensitive to crossflow testing conditions. Concentration polarization and feed pH strongly influenced NaCl rejection, and the use of continuous feed filtration led to higher water flux and lower NaCl rejection than was observed for similar tests performed using unfiltered feed. Two commercial polyamide membranes, including one reverse osmosis and one nanofiltration membrane, were modified by grafting PEGDE to their surfaces. Two different PEG molecular weights (200 and 1000) and treatment concentrations (1% (w/w) and 15% (w/w)) were studied. Water flux decreased and NaCl rejection increased with PEGDE graft density ({micro}g/cm{sup 2}), although the largest changes were observed for low PEGDE graft densities. Surface properties including hydrophilicity, roughness and charge were minimally affected by surface modification. The fouling resistance of modified and unmodified membranes was compared in crossflow filtration studies using model foulant solutions consisting of either a charged surfactant or an oil in water emulsion containing n-decane and a charged surfactant. Several PEGDE-modified membranes demonstrated improved fouling resistance compared to unmodified membranes of similar initial water flux, possibly due to steric hindrance imparted by the PEG chains. Fouling resistance was higher for membranes modified with higher molecular weight PEG. Fouling was more extensive for feeds containing the cationic surfactant, potentially due to electrostatic attraction with the negatively charged membranes. However, fouling was also observed in the presence of the anionic surfactant, indicating hydrodynamic forces are also responsible for fouling.

  18. Membrane Desalination of Agricultural Drainage Water: Water Recovery Enhancement and Brine Minimization

    E-Print Network [OSTI]

    Cohen, Yoram

    2008-01-01T23:59:59.000Z

    Pilot-scale testing of reverse osmosis using conventionalY. Cohen, High- Recovery Reverse Osmosis Using IntermediateUltra-Low Pressure Reverse Osmosis for Surface Water

  19. The waters of Southeastern Wisconsin are vast but vulnerable. We depend on our waters for drinking water, irrigation, industry, transportation, power production,

    E-Print Network [OSTI]

    Saldin, Dilano

    . Understanding our region's water-related issues and future challenges can help us protect clean, abundant water and industry, public health and ecosystem health. Water quality gains more at- tention during summer, when cause illness. The bacteria and other pollutants that affect our water quality come from a variety

  20. UVM Central Heating & Cooling Plant Annual Maintenance Shutdown 2013 Affected Buildings

    E-Print Network [OSTI]

    Hayden, Nancy J.

    UVM Central Heating & Cooling Plant Annual Maintenance Shutdown 2013 Affected Buildings Sunday 19 heating, hot water and critical air conditioning > NO CAGE WASHING > NO AUTOCLAVES > Given Boiler Plant will be in operation to provide heating, hot water and critical air conditioning > NO CAGE WASHING > NO AUTOCLAVES

  1. Effects of Storage Container Color and Shading on Water Temperature

    E-Print Network [OSTI]

    Clayton, James Brent

    2012-07-16T23:59:59.000Z

    RWH systems has become a concern. Water temperature is a parameter of water quality and storage container color and shading affect this temperature. Four different colors and three different shadings were applied to twelve rainwater storage barrels...

  2. Boiler System Efficiency Improves with Effective Water Treatment

    E-Print Network [OSTI]

    Bloom, D.

    Water treatment is an important aspect of boiler operation which can affect efficiency or result in damage if neglected. Without effective water treatment, scale can form on boiler tubes, reducing heat transfer, and causing a loss of boiler...

  3. MSC Publication 102.2008 | Arkansas Water Resources Center ARKANSAS WATER RESOURCES CENTER ANNUAL

    E-Print Network [OSTI]

    Soerens, Thomas

    as affected by poultry litter application rate; 2) Source of Geosmin and MIB in drinking water: Identifying by the Water Resources Research Act of 1964. The AWRC in cooperation with the US Geological Survey and pollution, water quality, and ecosystems. AWRC acts as a liaison between funding groups and the scientists

  4. AiR surface: AiR surface 1

    E-Print Network [OSTI]

    Tanaka, Jiro

    AiR surface: 1 PDA AiR surface 1 1: AiR surface () () 2 [1] [2] 3 AiR surface AiR surface surface surface surface 3.1 surface [3]( 3 ) surface 3.2 surface surface AiR surface 4 AiR surface surface AiR surface: Virtual Touch Panel

  5. Preliminary analysis of surface mining options for Naval Oil Shale Reserve 1

    SciTech Connect (OSTI)

    Not Available

    1981-07-20T23:59:59.000Z

    The study was undertaken to determine the economic viability of surface mining to exploit the reserves. It is based on resource information already developed for NOSR 1 and conceptual designs of mining systems compatible with this resource. Environmental considerations as they relate to surface mining have been addressed qualitatively. The conclusions on economic viability were based primarily on mining costs projected from other industries using surface mining. An analysis of surface mining for the NOSR 1 resource was performed based on its particular overburden thickness, oil shale thickness, oil shale grade, and topography. This evaluation considered reclamation of the surface as part of its design and cost estimate. The capital costs for mining 25 GPT and 30 GPT shale and the operating costs for mining 25 GPT, 30 GPT, and 35 GPT shale are presented. The relationship between operating cost and stripping ratio, and the break-even stripping ratio (BESR) for surface mining to be competitive with room-and-pillar mining, are shown. Identification of potential environmental impacts shows that environmental control procedures for surface mining are more difficult to implement than those for underground mining. The following three areas are of prime concern: maintenance of air quality standards by disruption, movement, and placement of large quantities of overburden; disruption or cutting of aquifers during the mining process which affect area water supplies; and potential mineral leaching from spent shales into the aquifers. Although it is an operational benefit to place spent shale in the open pit, leaching of the spent shales and contamination of the water is detrimental. It is therefore concluded that surface mining on NOSR 1 currently is neither economically desirable nor environmentally safe. Stringent mitigation measures would have to be implemented to overcome some of the potential environmental hazards.

  6. TQ4. Human Health and Urbanization How does urbanization affect the local, regional, and global

    E-Print Network [OSTI]

    Christian, Eric

    -Questions · How do changes in land cover and land use affect surface energy balance and the sustainability areas are considerably warmer than their rural counterparts and this phenomenon is known as the urban: ·Satellite observations for measurement of surface temperature, energy balance, energy fluxes, emissivity

  7. Selecting activated carbon for water and wastewater treatability studies

    SciTech Connect (OSTI)

    Zhang, W.; Chang, Q.G.; Liu, W.D.; Li, B.J.; Jiang, W.X.; Fu, L.J.; Ying, W.C. [East China University of Chemical Technology, Shanghai (China)

    2007-10-15T23:59:59.000Z

    A series of follow-up investigations were performed to produce data for improving the four-indicator carbon selection method that we developed to identify high-potential activated carbons effective for removing specific organic water pollutants. The carbon's pore structure and surface chemistry are dependent on the raw material and the activation process. Coconut carbons have relatively more small pores than large pores; coal and apricot nutshell/walnut shell fruit carbons have the desirable pore structures for removing adsorbates of all sizes. Chemical activation, excessive activation, and/or thermal reactivation enlarge small pores, resulting in reduced phenol number and higher tannic acid number. Activated carbon's phenol, iodine, methylene blue, and tannic acid numbers are convenient indicators of its surface area and pore volume of pore diameters < 10, 10-15, 15-28, and > 28 angstrom, respectively. The phenol number of a carbon is also a good indicator of its surface acidity of oxygen-containing organic functional groups that affect the adsorptive capacity for aromatic and other small polar organics. The tannic acid number is an indicator of carbon's capacity for large, high-molecular-weight natural organic precursors of disinfection by-products in water treatment. The experimental results for removing nitrobenzene, methyl-tert-butyl ether, 4,4-bisphenol, humic acid, and the organic constituents of a biologically treated coking-plant effluent have demonstrated the effectiveness of this capacity-indicator-based method of carbon selection.

  8. Interaction of water with epoxy.

    SciTech Connect (OSTI)

    Powers, Dana Auburn

    2009-07-01T23:59:59.000Z

    The chemistries of reactants, plasticizers, solvents and additives in an epoxy paint are discussed. Polyamide additives may play an important role in the absorption of molecular iodine by epoxy paints. It is recommended that the unsaturation of the polyamide additive in the epoxy cure be determined. Experimental studies of water absorption by epoxy resins are discussed. These studies show that absorption can disrupt hydrogen bonds among segments of the polymers and cause swelling of the polymer. The water absorption increases the diffusion coefficient of water within the polymer. Permanent damage to the polymer can result if water causes hydrolysis of ether linkages. Water desorption studies are recommended to ascertain how water absorption affects epoxy paint.

  9. Clean Boiler Waterside Heat Transfer Surfaces

    SciTech Connect (OSTI)

    Not Available

    2006-01-01T23:59:59.000Z

    This revised ITP tip sheet on cleaning boiler water-side heat transfer surfaces provides how-to advice for improving industrial steam systems using low-cost, proven practices and technologies.

  10. Environmental management of water projects

    SciTech Connect (OSTI)

    Gangstad, E.O.; Stanley, R.A.

    1987-01-01T23:59:59.000Z

    This book is divided in three parts and contains the following: PART I: ENVIRONMENTAL ASSESSMENTS. Environmental conditions for water resource projects. Characteristics of some large scale reservoirs. Biological parameters of the TVA Eurasian watermilfoil management program. Ecological parameters influencing aquatic plant growth. Biological parameters influencing growth and reproduction of hydrilla. PART II: EVALUATION OF SELECTED AQUATIC HERBICIDES. Technical review of the factors affecting 2,4-D for aquatic use. Technical review of the factors affecting endothall for aquatic use. Technical review of factors affecting diquat for aquatic use. Technical review of the factors affecting use of dicamba. Technical review of the factors affecting aquatic use of dichlobenil. PART III: EVALUATION OF VEGETATION MANAGEMENT PROGRAMS. Strategies for aquatic vegetation management. (A) conversion of factors for U.S. and metric units. (B) Glossary of terms. Index.

  11. Technology in water conservation

    E-Print Network [OSTI]

    Finch, Dr. Calvin

    2013-01-01T23:59:59.000Z

    be accomplished with instruments a#22;ached to pipelines at manholes. #27;ese devices ?listen? to the water #16;ow in the pipe; when they detect the characteristic sound of a leak, they report by radio to permanent or mobile collection points. Even a small... leak can be detected. Rainwater catchment may be a good way to replace water from other potable sources. In some situations, this involves using the simple technology of capturing rainfall runo#21; from a roof or another surface. In a hot, dry...

  12. Water at an electrochemical interface - a simulation study

    SciTech Connect (OSTI)

    Willard, Adam; Reed, Stewart; Madden, Paul; Chandler, David

    2008-08-22T23:59:59.000Z

    The results of molecular dynamics simulations of the properties of water in an aqueous ionic solution close to an interface with a model metallic electrode are described. In the simulations the electrode behaves as an ideally polarizable hydrophilic metal, supporting image charge interactions with charged species, and it is maintained at a constant electrical potential with respect to the solution so that the model is a textbook representation of an electrochemical interface through which no current is passing. We show how water is strongly attracted to and ordered at the electrode surface. This ordering is different to the structure that might be imagined from continuum models of electrode interfaces. Further, this ordering significantly affects the probability of ions reaching the surface. We describe the concomitant motion and configurations of the water and ions as functions of the electrode potential, and we analyze the length scales over which ionic atmospheres fluctuate. The statistics of these fluctuations depend upon surface structure and ionic strength. The fluctuations are large, sufficiently so that the mean ionic atmosphere is a poor descriptor of the aqueous environment near a metal surface. The importance of this finding for a description of electrochemical reactions is examined by calculating, directly from the simulation, Marcus free energy profiles for transfer of charge between the electrode and a redox species in the solution and comparing the results with the predictions of continuum theories. Significant departures from the electrochemical textbook descriptions of the phenomenon are found and their physical origins are characterized from the atomistic perspective of the simulations.

  13. Multiscale modeling of clay-water systems

    E-Print Network [OSTI]

    Ebrahimi, Davoud

    2014-01-01T23:59:59.000Z

    The engineering properties of soils are highly affected by clay content and clay-water interactions. However, existing macro-scale continuum models have no length scale to describe the evolution of the clay microstructure ...

  14. Water Resources Research Institute Annual Technical Report

    E-Print Network [OSTI]

    Information Title: Development of a Kenaf-Based Biosorptive Water Treatment Process Project Number: B-20 Start surface waters and groundwaters currently undergoing treatment or scheduled for treatment contain organic contain contamination levels requiring treatment. The treatment of these waters pose both technical

  15. Core design study of a supercritical light water reactor with double row fuel rods

    SciTech Connect (OSTI)

    Zhao, C.; Wu, H.; Cao, L.; Zheng, Y. [School of Nuclear Science and Technology, Xi'an Jiaotong Univ., No. 28, Xianning West Road, Xi'an, ShannXi, 710049 (China); Yang, J.; Zhang, Y. [China Nuclear Power Technology Research Inst., Yitian Road, ShenZhen, GuangDong, 518026 (China)

    2012-07-01T23:59:59.000Z

    An equilibrium core for supercritical light water reactor has been designed. A novel type of fuel assembly with dual rows of fuel rods between water rods is chosen and optimized to get more uniform assembly power distributions. Stainless steel is used for fuel rod cladding and structural material. Honeycomb structure filled with thermal isolation is introduced to reduce the usage of stainless steel and to keep moderator temperature below the pseudo critical temperature. Water flow scheme with ascending coolant flow in inner regions is carried out to achieve high outlet temperature. In order to enhance coolant outlet temperature, the radial power distributions needs to be as flat as possible through operation cycle. Fuel loading pattern and control rod pattern are optimized to flatten power distribution at inner regions. Axial fuel enrichment is divided into three parts to control axial power peak, which affects maximum cladding surface temperature. (authors)

  16. Biosand filtration of high turbidity water : modified filter design and safe filtrate storage

    E-Print Network [OSTI]

    Collin, Clair

    2009-01-01T23:59:59.000Z

    Unsafe drinking water is a major cause of water-related diseases that predominantly affect people living in developing countries. The most prevalent water-related disease is diarrhea, estimated to kill 1.8 million children ...

  17. Drinking Water Systems, Hydrology, and Childhood GastrointestinalIllnessinCentralandNorthernWisconsin

    E-Print Network [OSTI]

    Wisconsin at Madison, University of

    water monitoring and surface water treatment. Com- munity municipal water systems without water treatment tend to have higher rates of water- borne disease.4,5 Water treatment refers to multiple methods, pathogens that survive treatment or infiltrate finished water distribution systems cause a sizeable GI

  18. UNL WATER CENTER WATER CURRENT

    E-Print Network [OSTI]

    Nebraska-Lincoln, University of

    ................ Sidney Area Deals with Drought 6................ Water and Electricity Are Inseparable 10's East Campus. "Consolidating administration,faculty and staff and facilities is costeffectiveandper or commercial products constitute endorsement by the U.S. Government. WATER CURRENT Water Center University

  19. UNL WATER CENTER WATER CURRENT

    E-Print Network [OSTI]

    Nebraska-Lincoln, University of

    INSIDE UNL WATER CENTER WATER CURRENT PROTECTING NEBRASKAíS WATER RESOURCES THROUGH RESEARCH with a vision, thereís an untapped market using resources right under our feet,î the University of Nebraska outdoors in India, Bangladesh, China and Viet- nam. Thousands of them have been grown to harvest

  20. The effect of ozone on nicotine desorption from model surfaces:evidence for heterogeneous chemistry

    SciTech Connect (OSTI)

    Destaillats, Hugo; Singer, Brett C.; Lee, Sharon K.; Gundel, LaraA.

    2005-05-01T23:59:59.000Z

    Assessment of secondhand tobacco smoke exposure using nicotine as a tracer or biomarker is affected by sorption of the alkaloid to indoor surfaces and by its long-term re-emission into the gas phase. However, surface chemical interactions of nicotine have not been sufficiently characterized. Here, the reaction of ozone with nicotine sorbed to Teflon and cotton surfaces was investigated in an environmental chamber by monitoring nicotine desorption over a week following equilibration in dry or humid air (65-70 % RH). The Teflon and cotton surfaces had N{sub 2}-BET surface areas of 0.19 and 1.17 m{sup 2} g{sup -1}, and water mass uptakes (at 70 % RH) of 0 and 7.1 % respectively. Compared with dry air baseline levels in the absence of O{sub 3}, gas phase nicotine concentrations decrease, by 2 orders of magnitude for Teflon after 50 h at 20-45 ppb O{sub 3}, and by a factor of 10 for cotton after 100 h with 13-15 ppb O{sub 3}. The ratios of pseudo first-order rate constants for surface reaction (r) to long-term desorption (k) were r/k = 3.5 and 2.0 for Teflon and cotton surfaces, respectively. These results show that surface oxidation was competitive with desorption. Hence, oxidative losses could significantly reduce long-term re-emissions of nicotine from indoor surfaces. Formaldehyde, N-methylformamide, nicotinaldehyde and cotinine were identified as oxidation products, indicating that the pyrrolidinic N was the site of electrophilic attack by O{sub 3}. The presence of water vapor had no effect on the nicotine-O{sub 3} reaction on Teflon surfaces. By contrast, nicotine desorption from cotton in humid air was unaffected by the presence of ozone. These observations are consistent with complete inhibition of ozone-nicotine surface reactions in an aqueous surface film present in cotton but not in Teflon surfaces.

  1. Water Conservation and Water Use Efficiency (Wisconsin)

    Broader source: Energy.gov [DOE]

    Wisconsin has several statutes that promote water conservation and controlled water use, and this legislation establishes mandatory and voluntary programs in water conservation and water use...

  2. Arnold Schwarzenegger WATER HEATERS AND HOT WATER

    E-Print Network [OSTI]

    Arnold Schwarzenegger Governor WATER HEATERS AND HOT WATER DISTRIBUTION SYSTEMS: Lutz J.D. (Lawrence Berkeley National Laboratory). 2008. Water Heaters and Hot Water Distribution

  3. E-Print Network 3.0 - anechoic water tank Sample Search Results

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

    1, 2, and 3 including steam drums, water drums, firebox, and exhaust stack. All tanks including... Side of Surface Condenser < Fuel Oil Storage Tanks < Chilled Water...

  4. Occurrence of Pesticides in Water, Sediment, and Soil from the Yolo Bypass, California

    E-Print Network [OSTI]

    Smalling, Kelly L.; Orlando, James L.; Kuivila, Kathryn M.

    2007-01-01T23:59:59.000Z

    water and sediment from Yolo Bypass, California, 2004-2005.L. 2002. California’s Yolo Bypass: Evidence that floodfish. KEYWORDS pesticides, Yolo Bypass, fish, surface water,

  5. Ground Water Ground Sky Sky Water Vegetation Ground Vegetation Water

    E-Print Network [OSTI]

    Chen, Tsuhan

    Bear Snow Vegetation RhinoWater Vegetation Ground Water Ground Sky Sky Rhino Water Vegetation Ground Vegetation Water Rhino Water Vegetation Ground Rhino Water Rhino Water Ground Ground Vegetation Water Rhino Vegetation Rhino Vegetation Ground Rhino Vegetation Ground Sky Rhino Vegetation Ground Sky

  6. Water Resources Data Ohio: Water year 1994. Volume 1, Ohio River Basin excluding Project Data

    SciTech Connect (OSTI)

    NONE

    1994-12-31T23:59:59.000Z

    The Water Resources Division of the US Geological Survey (USGS) in cooperation with State agencies, obtains a large amount of data each water year (a water year is the 12-month period from October 1 through September 30 and is identified by the calendar year in which it ends) pertaining to the water resources of Ohio. These data, accumulated during many years, constitute a valuable data base for developing an improved understanding of the water resources of the State. To make these data readily available to interested parties outside the USGS, they are published annually in this report series entitled ``Water Resources Data--Ohio.`` This report (in two volumes) includes records on surface water and ground water in the State. Specifically, it contains: (1) Discharge records for streamflow-gaging stations, miscellaneous sites, and crest-stage stations; (2) stage and content records for streams, lakes, and reservoirs; (3) water-quality data for streamflow-gaging stations, wells, synoptic sites, and partial-record sit -aid (4) water-level data for observation wells. Locations of lake-and streamflow-gaging stations, water-quality stations, and observation wells for which data are presented in this volume are shown in figures 8a through 8b. The data in this report represent that part of the National Water Data System collected by the USGS and cooperating State and Federal agencies in Ohio. This series of annual reports for Ohio began with the 1961 water year with a report that contained only data relating to the quantities of surface water. For the 1964 water year, a similar report was introduced that contained only data relating to water quality. Beginning with the 1975 water year, the report was changed to present (in two or three volumes) data on quantities of surface water, quality of surface and ground water, and ground-water levels.

  7. Seeing in the Dark: Searching for Water on

    E-Print Network [OSTI]

    Christian, Eric

    1 Seeing in the Dark: Searching for Water on the Moon Learning Objectives: · To understand where, which uses ultraviolet light to detect water ice on the surface of the Moon and the LAMP technology used on LRO to detect water on the Moon's surface. Note: students must have learned

  8. Magnetic Bottles on Riemann Surfaces

    E-Print Network [OSTI]

    Gavriel Segre

    2011-01-17T23:59:59.000Z

    Yves Colin de Verdiere's quantization formalism of magnetic bottles on Riemann surfaces of non null genus is shown to be affected, owing to the Homotopy Superselection Rule, by the phenomenon of the existence of multiple inequivalent quantizations mathematically analogous to the phenomenon of the existence of multiple inequivalent prequantizations of a multiply-connected symplectic manifold in the framework of Souriau-Kostant's Geometric Quantization.

  9. Interfacial water on crystalline silica: A comparative molecular dynamics simulation study

    SciTech Connect (OSTI)

    Ho, Tuan A. [University of Oklahoma, Norman; Argyris, D. [University of Oklahoma, Norman; Cole, David [Ohio State University; Striolo, Alberto [Oklahoma University

    2011-01-01T23:59:59.000Z

    All-atom molecular dynamics simulations were conducted to study the dynamics of aqueous electrolyte solutions confined in slit-shaped silica nanopores of various degrees of protonation. Five degrees of protonation were prepared by randomly removing surface hydrogen atoms from fully protonated crystalline silica surfaces. Aqueous electrolyte solutions containing NaCl or CsCl salt were simulated at ambient conditions. In all cases, the ionic concentration was 1 M. The results were quantified in terms of atomic density distributions within the pores, and the self-diffusion coefficient along the direction parallel to the pore surface. We found evidence for ion-specific properties that depend on ion surface, water ion, and only in some cases ion ion correlations. The degree of protonation strongly affects the structure, distribution, and the dynamic behavior of confined water and electrolytes. Cl ions adsorb on the surface at large degrees of protonation, and their behavior does not depend significantly on the cation type (either Na+ or Cs+ ions are present in the systems considered). The cations show significant ion-specific behavior. Na+ ions occupy different positions within the pore as the degree of protonation changes, while Cs+ ions mainly remain near the pore center at all conditions considered. For a given degree of protonation, the planar self-diffusion coefficient of Cs+ is always greater than that of Na+ ions. The results are useful for better understanding transport under confinement, including brine behavior in the subsurface, with important applications such as environmental remediation.

  10. Developing Novel Biointerfaces and Biomaterials with Surface Plasmon Resonance and SPR Imaging

    E-Print Network [OSTI]

    Linman, Matthew James

    2011-01-01T23:59:59.000Z

    the spinach leaves were rinsed with deionized water topeptone water (2 mL) was added to the spinach leaves 10 inspinach leaves were surface sterilized by immersion in 70% methanol in water

  11. Computerized Waters

    E-Print Network [OSTI]

    Wythe, Kathy

    2006-01-01T23:59:59.000Z

    - ing 2002?2005 and documented in TWRI?s Technical Report 284 released in January 2006, include: ? Capabilities for short-term reliability analyses based on current storage conditions (Or what is the likelihood of meeting water needs in the near... System Reference Manual. TWRI Technical Report 255, Second Edition, April 2005. ? Water Rights Analysis Package Modeling System Users Manual. TWRI Technical Report 256, Second Edition, April 2005. ? Fundamentals of Water Availability Modeling...

  12. Water Quality

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

    which can lead to public health problems. * MtBE (Methyl tert Butyl Ether), a gasoline additive, has begun to contaminate ground water supplies. * Similarly, perchlorate has...

  13. Water Management

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

    Water Management This department applies multi-disciplinary science and technology-based modeling to assess complex environmental systems. It integrates ecology, anthropology, and...

  14. Specific adhesion of peptides on semiconductor surfaces in experiment and simulation

    E-Print Network [OSTI]

    Bachmann, Michael

    with distilled water and drying in air, sample surfaces have been investigated by atomic-force microscopy (AFM phases of peptides on inorganic semiconductor surfaces. The peptide-covered surface fraction can differ

  15. Water and Climate 1. Peter Rhines

    E-Print Network [OSTI]

    affects 2 billion people · water-borne diseases kill ... · Environmental crises..... · global warming · 5 Human water resources and environmental tension 1 El ciclo hidrológico mundial 2 Transporte de: the layered oceans and atmosphere · convection: how to move energy, mass, chemical tracers · general

  16. The Montana University System Water Center, located at Montana State University-Bozeman, was established by a 1964 Act of Congress that created Water Resources Research Institutes at universities in 50 states and four

    E-Print Network [OSTI]

    Lawrence, Rick L.

    to quantify the amount ofx water contributed to surface water from coal aquifers targeted for coalbed methane that can be used for comprehensive studies. Montana Water Center Coalbed natural gas product water enters

  17. Water inventory management in condenser pool of boiling water reactor

    DOE Patents [OSTI]

    Gluntz, D.M.

    1996-03-12T23:59:59.000Z

    An improved system for managing the water inventory in the condenser pool of a boiling water reactor has means for raising the level of the upper surface of the condenser pool water without adding water to the isolation pool. A tank filled with water is installed in a chamber of the condenser pool. The water-filled tank contains one or more holes or openings at its lowermost periphery and is connected via piping and a passive-type valve (e.g., squib valve) to a high-pressure gas-charged pneumatic tank of appropriate volume. The valve is normally closed, but can be opened at an appropriate time following a loss-of-coolant accident. When the valve opens, high-pressure gas inside the pneumatic tank is released to flow passively through the piping to pressurize the interior of the water-filled tank. In so doing, the initial water contents of the tank are expelled through the openings, causing the water level in the condenser pool to rise. This increases the volume of water available to be boiled off by heat conducted from the passive containment cooling heat exchangers. 4 figs.

  18. Water inventory management in condenser pool of boiling water reactor

    DOE Patents [OSTI]

    Gluntz, Douglas M. (San Jose, CA)

    1996-01-01T23:59:59.000Z

    An improved system for managing the water inventory in the condenser pool of a boiling water reactor has means for raising the level of the upper surface of the condenser pool water without adding water to the isolation pool. A tank filled with water is installed in a chamber of the condenser pool. The water-filled tank contains one or more holes or openings at its lowermost periphery and is connected via piping and a passive-type valve (e.g., squib valve) to a high-pressure gas-charged pneumatic tank of appropriate volume. The valve is normally closed, but can be opened at an appropriate time following a loss-of-coolant accident. When the valve opens, high-pressure gas inside the pneumatic tank is released to flow passively through the piping to pressurize the interior of the water-filled tank. In so doing, the initial water contents of the tank are expelled through the openings, causing the water level in the condenser pool to rise. This increases the volume of water available to be boiled off by heat conducted from the passive containment cooling heat exchangers. 4 figs.

  19. Clean Water Action Plan: Restoring and protecting America`s waters

    SciTech Connect (OSTI)

    NONE

    1998-02-01T23:59:59.000Z

    On October 18, 1997, the 25th anniversary of the enactment of the Clean Water Act, the Vice President called for a renewed effort to restore and protect water quality. The Vice President asked that the Secretary of Agriculture and the Administrator of the Environmental Protection Agency (EPA), working with other affected agencies, develop a Clean Water Action Plan that builds on clean water successes and addresses three major goals: (1) enhanced protection from public health threats posed by water pollution; (2) more effective control of polluted runoff; and (3) promotion of water quality protection on a watershed basis.

  20. TABLE 3.-Comparison of this work with literature values for the concentration of PCB's and DDT residues in surface films and subsurface waters. All values in nanograms per liter, and are the sum

    E-Print Network [OSTI]

    TABLE 3.-Comparison of this work with literature values for the concentration of PCB's and DDT of filtrate and filter from Table 2 where applicable. PCB's DDT residues Subsurface Subsurface Reference has been to es- tablish open ocean concentrations of PCB's and DDT residues in surface films

  1. Effect of soil erosion on the long-term stability of FUSRAP near-surface waste-burial sites

    SciTech Connect (OSTI)

    Knight, M.J.

    1983-04-01T23:59:59.000Z

    Decontamination of FUSRAP sites could result in the generation of large volumes (in excess of 400,000 m/sup 3/) of low-activity radioactive wastes (primarily contaminated soil and building materials) requiring subsequent disposal. It is likely that near-surface burial will be seriously considered as an option for disposal of these materials. A number of factors - including soil erosion - could adversely affect the long-term stability of a near-surface waste-burial site. The majority of FUSRAP sites are located in the humid eastern United States, where the principal cause of erosion is the action of water. This report examines the effect of soil erosion by water on burial-site stability based on analysis of four hypothetical near-surface burial sites. The Universal Soil Loss Equation was employed to estimate average annual soil loss from burial sites and the 1000-year effects of soil loss on the soil barrier (burial trench cap) placed over low-activity wastes. Results suggest that the land use of the burial site and the slope gradient of the burial trench cap significantly affect the rate of soil erosion. The development of measures limiting the potential land use of a burial site (e.g., mixing large rocks into the burial trench cap) may be required to preserve the integrity of a burial trench for long periods of time.

  2. Surface Power Radiative Cooling Tests

    SciTech Connect (OSTI)

    Vaughn, Jason; Schneider, Todd [Environmental Effects Branch, EM50, NASA Marshall Space Flight Center, AL 35812 (United States)

    2006-01-20T23:59:59.000Z

    Terrestrial nuclear power plants typically maintain their temperature through convective cooling, such as water and forced air. However, the space environment is a vacuum environment, typically 10-8 Torr pressure, therefore in proposed missions to the lunar surface, power plants would have to rely on radiative cooling to remove waste heat. Also, the Martian surface has a very tenuous atmosphere (e.g. {approx}5 Torr CO2), therefore, the main heat transfer method on the Martian surface is also radiative. Because of the lack of atmosphere on the Moon and the tenuous atmosphere on Mars, surface power systems on both the Lunar and Martian surface must rely heavily on radiative heat transfer. Because of the large temperature swings on both the lunar and the Martian surfaces, trying to radiate heat is inefficient. In order to increase power system efficiency, an effort is underway to test various combinations of materials with high emissivities to demonstrate their ability to survive these degrading atmospheres to maintain a constant radiator temperature improving surface power plant efficiency. An important part of this effort is the development of a unique capability that would allow the determination of a materials emissivity at high temperatures. A description of the test capability as well as initial data is presented.

  3. Polishing compound for plastic surfaces

    DOE Patents [OSTI]

    Stowell, M.S.

    1993-01-01T23:59:59.000Z

    A polishing compound for plastic surfaces is disclosed. The compound contains by weight approximately 4 to 17 parts at least one petroleum distillate lubricant, 1 to 6 parts mineral spirits, 2.5 to 15 parts abrasive particles, and 2.5 to 10 parts water. The abrasive is tripoli or a similar material that contains colloidal silica. Preferably, most of the abrasive particles are less than approximately 10 microns, more preferably less than approximately 5 microns in size. The compound is used on PLEXIGLAS{sup TM}, LEXAN{sup TM}, LUCITE{sup TM}, polyvinyl chloride (PVC) and similar plastic materials whenever a smooth, clear polished surface is desired.

  4. Polishing compound for plastic surfaces

    DOE Patents [OSTI]

    Stowell, M.S.

    1995-08-22T23:59:59.000Z

    A polishing compound for plastic surfaces is disclosed. The compound contains by weight approximately 4 to 17 parts at least one petroleum distillate lubricant, 1 to 6 parts mineral spirits, 2.5 to 15 parts abrasive particles, and 2.5 to 10 parts water. The abrasive is tripoli or a similar material that contains fine particles silica. Preferably, most of the abrasive particles are less than approximately 10 microns, more preferably less than approximately 5 microns in size. The compound is used on PLEXIGLAS{trademark}, LEXAN{trademark}, LUCITE{trademark}, polyvinyl chloride (PVC) and similar plastic materials whenever a smooth, clear polished surface is desired. 5 figs.

  5. Polishing compound for plastic surfaces

    DOE Patents [OSTI]

    Stowell, Michael S. (New Ellenton, SC)

    1995-01-01T23:59:59.000Z

    A polishing compound for plastic surfaces. The compound contains by weight approximately 4 to 17 parts at least one petroleum distillate lubricant, 1 to 6 parts mineral spirits, 2.5 to 15 parts abrasive particles, and 2.5 to 10 parts water. The abrasive is tripoli or a similar material that contains fine particles silica. Preferably, most of the abrasive particles are less than approximately 10 microns, more preferably less than approximately 5 microns in size. The compound is used on PLEXIGLAS.TM., LEXAN.TM., LUCITE.TM., polyvinyl chloride (PVC) and similar plastic materials whenever a smooth, clear polished surface is desired.

  6. Dissociation of Water at the MgO(100)-Water Interface: Comparison of Theory with Experiment

    E-Print Network [OSTI]

    Goodman, Wayne

    Dissociation of Water at the MgO(100)-Water Interface: Comparison of Theory with Experiment MichaelVed: September 16, 1998 Dissociative chemisorption of H2O at the MgO(100)-water interface has been investigated) was used to image the density of occupied states on the MgO(100)/Mo(100) surface for various degrees

  7. Climate Change and Water Resources Management: Adaptations for Flood Control and Water Supply

    E-Print Network [OSTI]

    Lund, Jay R.

    of climate warming can be very significant. Integrated water resources management is a promising wayClimate Change and Water Resources Management: Adaptations for Flood Control and Water Supply climate warming impacts on surface runoff, groundwater inflows and reservoir evaporation for distributed

  8. OIL IN THE OPEN WATER Oil in the open water may a ect the health of

    E-Print Network [OSTI]

    OIL IN THE OPEN WATER Oil in the open water may a ect the health of microscopic plants and animals. Far beneath the surface, corals and other deepwater communities might also be a ected. OIL AND HUMAN AND SEDIMENTS · Water quality surveys · Transect surveys to detect submerged oil · Oil plume modeling · Sediment

  9. THEORETICAL SPECTRA OF TERRESTRIAL EXOPLANET SURFACES

    SciTech Connect (OSTI)

    Hu Renyu; Seager, Sara [Department of Earth, Atmospheric and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139 (United States); Ehlmann, Bethany L., E-mail: hury@mit.edu [Division of Geological and Planetary Sciences, California Institute of Technology, Pasadena, CA 91125 (United States)

    2012-06-10T23:59:59.000Z

    We investigate spectra of airless rocky exoplanets with a theoretical framework that self-consistently treats reflection and thermal emission. We find that a silicate surface on an exoplanet is spectroscopically detectable via prominent Si-O features in the thermal emission bands of 7-13 {mu}m and 15-25 {mu}m. The variation of brightness temperature due to the silicate features can be up to 20 K for an airless Earth analog, and the silicate features are wide enough to be distinguished from atmospheric features with relatively high resolution spectra. The surface characterization thus provides a method to unambiguously identify a rocky exoplanet. Furthermore, identification of specific rocky surface types is possible with the planet's reflectance spectrum in near-infrared broad bands. A key parameter to observe is the difference between K-band and J-band geometric albedos (A{sub g}(K) - A{sub g}(J)): A{sub g}(K) - A{sub g}(J) > 0.2 indicates that more than half of the planet's surface has abundant mafic minerals, such as olivine and pyroxene, in other words primary crust from a magma ocean or high-temperature lavas; A{sub g}(K) - A{sub g}(J) < -0.09 indicates that more than half of the planet's surface is covered or partially covered by water ice or hydrated silicates, implying extant or past water on its surface. Also, surface water ice can be specifically distinguished by an H-band geometric albedo lower than the J-band geometric albedo. The surface features can be distinguished from possible atmospheric features with molecule identification of atmospheric species by transmission spectroscopy. We therefore propose that mid-infrared spectroscopy of exoplanets may detect rocky surfaces, and near-infrared spectrophotometry may identify ultramafic surfaces, hydrated surfaces, and water ice.

  10. Microscale Confinement features in microfluidic devices can affect biofilm

    SciTech Connect (OSTI)

    Kumar, Aloke [ORNL] [ORNL; Karig, David K [ORNL] [ORNL; Neethirajan, Suresh [University of Guelph] [University of Guelph; Acharya, Rajesh K [ORNL] [ORNL; Mukherjee, Partha P [ORNL] [ORNL; Retterer, Scott T [ORNL] [ORNL; Doktycz, Mitchel John [ORNL] [ORNL

    2013-01-01T23:59:59.000Z

    Biofilms are aggregations of microbes that are encased by extra-cellular polymeric substances (EPS) and adhere to surfaces and interfaces. Biofilm development on abiotic surfaces is a dynamic process, which typically proceeds through an initial phase of adhesion of plankntonic microbes to the substrate, followed by events such as growth, maturation and EPS secretion. However, the coupling of hydrodynamics, microbial adhesion and biofilm growth remain poorly understood. Here, we investigate the effect of semiconfined features on biofilm formation. Using a microfluidic device and fluorescent time-lapse microscopy, we establish that confinement features can significantly affect biofilm formation. Biofilm dynamics change not only as a function of confinement features, but also of the total fluid flow rate, and our combination of experimental results and numerical simulations reveal insights into the link between hydrodynamics and biofilm formation.

  11. Passive containment cooling water distribution device

    DOE Patents [OSTI]

    Conway, Lawrence E. (Hookstown, PA); Fanto, Susan V. (Plum Borough, PA)

    1994-01-01T23:59:59.000Z

    A passive containment cooling system for a nuclear reactor containment vessel. Disclosed is a cooling water distribution system for introducing cooling water by gravity uniformly over the outer surface of a steel containment vessel using a series of radial guide elements and cascading weir boxes to collect and then distribute the cooling water into a series of distribution areas through a plurality of cascading weirs. The cooling water is then uniformly distributed over the curved surface by a plurality of weir notches in the face plate of the weir box.

  12. Hydrogeologic factors affecting cavern morphology within rocks of Mississippian age in northwestern Arkansas

    SciTech Connect (OSTI)

    Fanning, B.J. (Univ. of Arkansas, Fayetteville, AR (United States). Dept. of Geology); Brahana, J.V. (Univ. of Arkansas , Fayetteville, AR (United States). Geological Survey)

    1993-02-01T23:59:59.000Z

    Cavern development within rocks of Mississippian age in northwestern Arkansas is associated with two Pleistocene erosional features, the Boston Mountains Plateau and the Springfield Plateau. Each plateau is characterized by a distinct stratigraphic sequence with unique lithologies. Cavern morphology (both cross-sectional and planimetric) in each plateau is the result of the complex interaction of numerous hydrogeologic factors. Four of the most dominant factors which affect cavern morphology appear to be: (1) composition and continuity of the confining units; (2) percentage of noncarbonate components in rocks of the cavern-forming interval; (3) nature and distribution of ground-water recharge to the cavern-forming interval; and (4) nature and distribution of fractures within the cavern-forming interval. Network maze patterns typically develop in the Pitkin Limestone, the formation in which most caverns form beneath the Boston Mountains Plateau. The Pitkin, a bioclastic limestone, is confined above by siltstones of the Cane Hill member of the Hale Formation and below by shales of the Fayetteville Formation. The maze pattern indicates that these caverns probably were formed by dissolution of the rock matrix by diffuse recharge moving vertically through leaky confining units. Single rooms are the dominant cavern morphology in the chert-dominated Boone Formation of the Springfield Plateau. Where the concentration of chert is greater than 50 percent, the Boone lacks structural integrity and fails to develop well-integrated conduit networks. Point recharge features in outcrop areas of the Boone Formation are not visible in most of the Springfield Plateau because the insoluble residuum masks the upper bedrock surface. Where the Boone Formation is less than 7 meters thick, surface karst features are more prevalent.

  13. Carbon-based electric double layer capacitors for water desalination

    E-Print Network [OSTI]

    Fellman, Batya A. (Batya Ayala)

    2010-01-01T23:59:59.000Z

    In capacitive deionization (CDI), salt water is passed through two polarized electrodes, whereby salt is adsorbed onto the electrode surface and removed from the water stream. This approach has received renewed interest ...

  14. Real-time Water Waves with Wave Particles

    E-Print Network [OSTI]

    Yuksel, Cem

    2010-10-12T23:59:59.000Z

    This dissertation describes the wave particles technique for simulating water surface waves and two way fluid-object interactions for real-time applications, such as video games. Water exists in various different forms in our environment...

  15. Effect of makeup water properties on the condenser fouling in power planr cooling system

    SciTech Connect (OSTI)

    Safari, I.; Walker, M.; Abbasian, J.; Arastoopour, H.; Hsieh, M-K.; Dzombak, D.; Miller, D.

    2011-01-01T23:59:59.000Z

    The thermoelectric power industry in the U.S. uses a large amount of fresh water. As available freshwater for use in thermoelectric power production becomes increasingly limited, use of nontraditional water sources is of growing interest. Utilization of nontraditional water, in cooling systems increases the potential for mineral precipitation on heat exchanger surfaces. In that regard, predicting the accelerated rate of scaling and fouling in condenser is crucial to evaluate the condenser performance. To achieve this goal, water chemistry should be incorporated in cooling system modeling and simulation. This paper addresses the effects of various makeup water properties on the cooling system, namely pH and aqueous speciation, both of which are important factors affecting the fouling rate in the main condenser. Detailed modeling of the volatile species desorption (i.e. CO{sub 2} and NH{sub 3}), the formation of scale in the recirculating system, and the relationship between water quality and the corresponding fouling rates is presented.

  16. Large grain growth of Ge-rich Ge{sub 1?x}Sn{sub x} (x???0.02) on insulating surfaces using pulsed laser annealing in flowing water

    SciTech Connect (OSTI)

    Kurosawa, Masashi, E-mail: kurosawa@alice.xtal.nagoya-u.ac.jp [Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8603 (Japan); JSPS, 5-3-1 Kojimachi, Chiyoda-ku, Tokyo 102-0083 (Japan); Taoka, Noriyuki; Nakatsuka, Osamu; Zaima, Shigeaki [Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8603 (Japan); Ikenoue, Hiroshi [Graduate School of Information Science and Electrical Engineering, Kyushu University, 744 Motooka, Fukuoka 819-0395 (Japan)

    2014-02-10T23:59:59.000Z

    We investigate Sn incorporation effects on the growth characteristics of Ge-rich Ge{sub 1?x}Sn{sub x} (x?water. Despite the very low Sn content of 2%, Sn atoms within the GeSn layers play a role in preventing ablation and aggregation of the layers during these PLA. Raman and electron backscatter diffraction measurements demonstrate achievement of large-grain (?800?nm?) growth of Ge{sub 0.98}Sn{sub 0.02} polycrystals by using PLA in water. These polycrystals also show a tensile-strain of ?0.68%. This result opens up the possibility for developing GeSn-based devices fabricated on flexible substrates as well as Si platforms.

  17. Center for Water Resources Research Annual Technical Report

    E-Print Network [OSTI]

    in assessing the susceptibility of surface water supplies to pollution from current and future activities, Hydrology, Models Descriptors: drinking water, source water, pollution sources, watershed management, source water, pollution sources, watershed management Primary PI: Darwin L. Sorensen Other PIs David G

  18. Decision Center for a Desert City Water/Climate Briefings

    E-Print Network [OSTI]

    Zhang, Junshan

    Water and its Role in Mitigation of Surface/Ground water depletion ­ Max Krzyzewski Climate Change EfDecision Center for a Desert City Water/Climate Briefings A place where multiple perspectives with the public policy community to investigate water, climate, decision-making and vulnerability

  19. DEVELOPMENTS IN GROUND WATER HYDROLOGY : AN OVERVIEW C. P. Kumar

    E-Print Network [OSTI]

    Kumar, C.P.

    . Surface water storage and ground water withdrawal are traditional engineering approaches which of storage and circulation as ground water. The large alluvial tract extending over 2000 km in length from which allows ground water storage in the weathered residium and its circulation in the underlying

  20. Bright Water- hydrosols, water conservation and climate change

    E-Print Network [OSTI]

    Seitz, Russell

    2010-01-01T23:59:59.000Z

    Since air-water and water-air interfaces are equally refractive, cloud droplets and microbubbles dispersed in bodies of water reflect sunlight in much the same way. The lifetime of sunlight-reflecting microbubbles, and hence the scale on which they may be applied, depends on Stokes Law and the influence of ambient or added surfactants. Small bubbles backscatter light more efficiently than large ones, opening the possibility of using highly dilute micron-radius hydrosols to substantially brighten surface waters. Such microbubbles can noticeably increase water surface reflectivity, even at volume fractions of parts per million and such loadings can be created at an energy cost as low as J m-2 to initiate and milliwatts m-2 to sustain. Increasing water albedo in this way can reduce solar energy absorption by as much as 100 W m-2, potentially reducing equilibrium temperatures of standing water bodies by several Kelvins. While aerosols injected into the stratosphere tend to alter climate globally, hydrosols can be...