1997 No. 185 -- Restoration of the Lower Mississippi Delta Bottomland Hardwood Forest: Economic and Policy Considerations Gregory Amacher, Jay Sullivan, Leonard Shabman, and Laura Zepp Subjects: Water 1994 No. 184 -- Investigations of Eutrophication in Mountain Lake, Giles County, Virginia Myron H. Beaty and Bruce C. Parker Subjects: Eutrophication, Mountain Lake, nitrogen, phosphorus, oxygen deficits, primary productivity. No. 183 -- Development and Evaluation of a Colorimetric Coliphage Assay Detection System Marian Ijzerman, Charles Hagedorn III, and Raymond Reneau, Jr. Subjects: coliphage detection, fecal contamination, Escherichia coli 1993 No. 182 -- The Concept of Instream Flow and Its Relevance to Drought Management In the James River Basin Robert L. Vadas, Jr., and Diana L. Weigmann Subjects: Minimum instream flow, instream-flow methods, Virginia, James River basin, aquatic ecosystem, riparian ecosystem, water law, water policy, drought management. No. 181 -- Sediment-Water Column Nutrient Exchanges In Southern Chesapeake Bay Nearshore Environments William G. Reay, Daniel Gallagher, and George M. Sjmmons Subjects: Groundwater seepage, estuaries, Chesapeake Bay, nonpoint source pollution, nutrients, groundwater-surface water interactions, sediment solute flux, benthic-pelagic interactions. No. 180 -- An Assessment of the Transferability of Habitat Suitability Criteria for Smallmouth Bass, Micropterus dolomleu Thomas P. Groshens and Donald J. Orth Subjects: Smallmouth bass, Micropterus, dolomieu, habitat suitability depth, mean column velocity, cover, substrate No. 179 -- A Model of Nitrate Leaching from Agricultural Systems In Virginia's Northern Neck Terrence G. Johnson and John C. Parker Subjects: Smailmouth bass, Micropterus dolomieu, habitat suitability, depth, mean column velocity, cover, substrate. No. 178 -- Evaluation of the Performance of Five Aerated Package Treatment Systems J. Lee Kellam, Gregory D. Boardman, Charles Hagedorn, and Raymond B. Reneau Subjects: Aerated package treatment systems (APTS), onsite wastewater treatment systems, Virginia Pollutant Discharge Elimination System (VPDES) General Permit, National Sanitation Foundation (NSF) Standard 40, dry-feed tube chlorinator/dechlorinator, nutrients, biological data. 1992 No. 177 -- The Influence of Microbial Ecology on Subsurface Degradation of Petroleum Contaminants John T. Novak, Carol Yeh, David Gullic, John Eichenberger, and Robert E. Benoit Subjects: Groundwater, biodegradation, bioremediation, gasoline, contamination, gasoline additives, toluene. No. 176 -- Crop Selection, Tillage Practices, and Chemical and Nutrient Applications In Two Regions of the Chesapeake Bay Watershed Darrell J. Bosch, James W. Pease, and Sandra S. Batie Subjects: water quality, nutrients, pesticides, tillage, crop selection, attitudes, farmer characteristics, leaching, sediment loading, Virginia, Chesapeake Bay, nonpoint pollution. No. 175 -- Fate and Transport of Pesticides in a Virginia Coastal Plain Soil Conrad D. Heatwole, Sebastian Zacharias, Saied Mostaghimi, Theo A. Dillaha, R.W. Young Subjects: Surface water, groundwater, runoff, leaching, pesticide, conservation tillage, conventional tillage. No. 174 -- Interactions Between Surface Water and Groundwater in a Virginia Coastal Plain Watershed Keith N. Eshelman, John S. Pollard, Anne Kuebler Subjects: groundwater, groundwater-surface water interactions, nontidal wetlands, watershed hydrology, hillslope hydrology, riparian zone, streamflow, water balance. No. 173 -- Surface Water Quality Trends in Southwestern Virginia, 1970-1989:1. Seasonal Kendall Analysis Carl E. Zipper, Golde I. Holtzman, Sungsue Rheem, Gregory K. Evanylo Subjects: Surface water, land-use practices, monitoring station, statistical analysis, long-term trend. No. 172 -- Biodegradability of Atrazine, Cyanazine, and Dicamba in Wetland Soils J.D. Gu, D.F. Berry, R.H. Taraban, D.C. Martens, H.L. Walker, Jr., and W.J. Edmonds Subjects: Wetland soil, herbicides, degradation, denitrifying conditions, methanogenic conditions. 1991 No. 171 -- Denitrification in Onsite Wastewater Treatment and Disposal Systems Marcia B. Degen, R.B. Reneau, Jr., CharJes Hagedorn, D.C. Martens Subjects: Onsite wastewater treatment and disposal system, denitrification, effluent loading rate, temperature, effluent type, acetylene blocking. No. 170 -- The 1986 Amendments to the Safe Drinking Water Act: Impacts on Virginia's Water Supply Industry William E. Cox, Joseph H. Sherrard, and Christopher D. Gaw Subjects: drinking water, Safe Drinking Water Act, health effects, water contamination, water treatment, water supply industry, waterworks management, cost analysis, intergovernmental relations. No. 169 -- Agricultural BMPs Applicable to Virginia Conrad Heatwole, Theo Dillaha, and Saied Mostaghimi ( Subjects: BMPs; Agriculture; No-till; Water Pollution; Farming No. 168 -- A Helium High-Efficiency Microwave Induced Plasma for the Atomic Spectrometric Determination of Metals and Nonmetals Larry D. Perkins, Curtis B. Motley, Keith A. McClearly, and Gary L. Long Subjects: Helium microwave induced plasma; Metals; Nonmetals; Atomic spectrometric determination 1990 No. 167 -- Effects of Tillage and Nitrogen Fertilization on Nitrogen Losses from Soils Used for Corn Production Menelik, R.B. Reneau, Jr., D.C. Martens T.W. Simpson, G.W. Hawkins Subjects: No-till; Nitrogen leaching; Denitrification, Nitrogen uptake; Sewage sludge; Computer models; Nitrogen balance; Nitrogen carryover No. 166 -- Comparison of Two Tests for Trace-Organic Compounds In Land-Applied Sewage Sludge Andrea M. Dietrich, Sheryl A. Chesnutt, and Lori A. Alderman Subjects: Municipal Wastewater Sludge; Synthetic Organic Chemicals; Pesticides; Gas Chromatography - Mass Spectrometry; Toxicity Extraction Procedure (EP) Toxicity Test; Toxicity Characteristic Leaching Procedure (TCLP) 1989 No. 165 -- An Investigation of the Biodegradation Potential of Groundwater Contaminants John T. Novak, Gary T. Hickman, Mark A. Morris, and Robert E. Benoit Subjects: Groundwater; Contamination; Biodegradation; Gasoline No. 164 -- Variable Source Area Concept for Identifying Critical Runoff-Generating Areas In a Watershed G.V. Loganathan, S.P. Shrestha, T.A. Dillaha, and B.B. Ross Subjects: Partial Watershed Hydrology; Subsurface Flow; Numerical Analysis; Monte Carlo Simulation No. 163 -- A Study of Infiltration Trenches C.Y. Kuo, J.L. Zhu, and L.A. Dollard Subjects: Peak Flow; Runoff; Infiltration; Water Table; Trench Geometry 1988 No. 162 -- Tillage Effects on Runoff Water Quality from Sludge-Amended Soils S. Mostaghimi, M.M. Deizman, T.A. Dillaha, C.D. Heatwole, and J.V. Perumpral Subjects: No-till; Conventional Tillage; Sludge; Nitrogen; Phosphorus; Application Method; Application Rate; Rainfall Simulator; Land Application No. 161 -- Financial Responsibility Provisions for Underground Storage Tanks In Virginia Paul S. Thompson, W. David Conn, and L. Leon Geyer Subjects: Underground Storage Tanks; Financial Responsibility; Petroleum Products; Resource Conservation and Recovery Act; Insurance; Leak Prevention No. 160 -- Underground Storage Tank Disposal: Alternatives, Economics, and Environmental Costs Janet E. Robinson, Denise W. Scott, William Knocke, and W. David Conn Subjects: Underground Storage Tanks; Abandonment; Removal; Disposal; Costs; Environmental Impacts; Resource Conservation and Recovery Act; Comprehensive Emergency Response, Compensation, and Liability Act No. 159 -- Effectiveness of BMPs for Stormwater Management In Urbanized Watersheds C.Y. Kuo, G.V. Loganathan, W.E. Cox, S.P. Shrestha, and K.J. Ying Subjects: Best Management Practices (BMPs); Hydrograph; Pollutograph 1987 No. 158 -- Control of Nonpoint Source Pollution In Virginia: An Assessment of the Local Role William E. Cox and Lorraine M. Herson Subjects: Nonpoint Source Pollution; Erosion and Sediment Control; Land Use Control; State Oversight; Interjurisdictional Approaches; Interdisciplinary Review; Urban Stormwater Control No. 157 -- Effects of Tillage System, Crop Residue Level, and Fertilizer Application Technique on Losses of Phosphorus and Pesticides from Agricultural Lands S. Mostaghimi, V.0. Shanholtz, T.A. Dillaha, A.L. Kenimer, B.B. Ross, and T.M. Younos Subjects: No-till; Conventional Tillage; Atrazine; Phosphorus; Application Technique; Crop Residue Level; Rainfall Simulator No. 156 -- Performance of Three Types of Laundry Detergents In Soft and Hard Water R.P. Lovingood, J.E. Woodard, I.E. Leech, D.E. Hinkle, and J.D. Barber Subjects: Phosphate-built and Carbonate-built Granular Detergents; Unbuilt Liquid Detergents; Soil Removal and Deposition; Carbonate Deposition; Water Properties; Laundering No. 155 -- Evaluating Potential Groundwater Contamination from Contaminated Soils J.R. Pratt, P.V. McCormick, K.W. Pontasch, and J. Cairns, Jr. Subjects: Soil; Leachate; Toxic Waste; Daphnia; Microcosms; Toxicity No. 154 -- Availability and Distribution of Heavy Metals, Nitrogen, and Phosphorus from Sewage Sludge in the Plant-Soil-Water Continuum B.D. Rappaport, J.D. Scott, D.C. Martens, R.B. Reneau, Jr., and T.W. Simpson Subjects: Cadmium; Copper; Groundwater Pollution; Heavy Metal; Phytotoxicity; Land Disposal; Mineralization; Nickel; Nutrient Balance; Sewage Sludge Utilization; Soil Contamination; Zinc 1986 No. 153 -- Long-Term Effectiveness and Maintenance of Vegetative Filter Strips T.A. Dillaha, J.H. Sherrard, and D. Lee Subjects: Vegatative Filter Strips; Buffer Strips; Vegatative Filters; Sediment Transport and Deposition; Nutrient Removal; Water Quality; Nonpoint Source Pollution No. 152 -- Development of a Method for Recommending Instream Flows for Fishes In the Upper James River, Virginia Paul M. Leonard, Donald J. Orth, and Christopher J. Goudreau Subjects: James River; Instream Flow; Stream Flows; Smallmouth Bass; Micropeterus dolomieui; Water Resources; Habitat Preferences; Minimum Flows No. 151 -- Use of Vegetative Filter Strips to Minimize Sediment and Phosphorus Losses from Feedlots: Phase I. Experimental Plot Studies T.A. Dillaha, J.H. Sherrard, D. Lee, V.0. Shanholtz, S. Mostaghimi, and W. L. Magette Subjects: Grass Filters; Filter Strips; Buffer Strips; Vegetative Filters; Sediment Removal; Feedlots; Phosphorus Removal 1985 No. 150 -- Options for Managing Underground Storage of Petroleum Products In Virginia Margaret S. Hrezo and Mattie Quesenberry Subjects: Groundwater; Contamination; Hazardous Materials; Oil Pollution; Underground Storage No. 149 -- Social Feasibility as an Alternative Approach to Water Resource Planning Margaret S. Hrezo and Wayne J. Howe Subjects: Public Participation; Water Resource Planning and Management No. 148 -- Methods of Analyzing Instream Flows G. V. Loganathan, C. Y. Kuo, and T. McCormick Subjects: Frequency Analysis; Low Flows; Transformations; Plotting Positions No. 147 -- A Water Code for Virginia William R. Walker and Phyllis G. Bridgeman Subjects: Water Allocation; Water Law; Water Management; Water Permits; Water Policy; Water Rights; Water Use; Reasonable Use; Beneficial Use; Groundwater Management; Public Trust Doctrine No. 146 -- Assessing the Feasibility and Potential Expansion of Large-Scale Riparian Irrigation in Virginia D.B. Taylor, B. B. Ross, G. Vellidis, and A. B. Lanier Subjects: Irrigation; Riparian; Feasibility; Econometric; Microcomputer; Center Pivot; Traveling Gun; Big Gun; Portable Pipe No. 145 -- Development of Procedures for Improved Resolution of Conflicts Related to Interjurisdictional Water Transfer William E. Cox, Leonard A. Shabman, and Walton Blackburn Subjects: Water Transfer; Political Aspects; Political Constraints; Boundaries; Negotations No. 144 -- Effects of Land Use Practices on Water Resources in Virginia R. Christian Jones and Beatrice H. Holmes Subjects: Land Use; Water Management; Agricultural Runoff; Agricultural Hydrology; Forest Hydrology; Forest Management; Urban Hydrology; Urban Runoff 1984 No. 143 -- Agricultural Use of Sewage Sludge: A Literature Review W.D. Kelly, D. C. Martens, R. B. Reneau, Jr., and T. W. Simpson Subjects: Heavy Metals; Land Application; Micronutrients; Nitrogen; Pathogens; Phosphorus; Soil Pollution; Waste Disposal No. 142 -- Institutional Framework for Rural Water Supply in North Carolina, South Carolina, and Virginia William E. Cox and Kurt S. Patrizi Subjects: water No. 141 -- Adsorption of Metal Ions and Metal Complexes on Minerals John G. Dillard, Deborah L. Crowther, and Catherine V. Schenck Subjects: Cobalt Amino Acid Complexes-Adsorption; X-ray Photoelectron Spectroscopy; Surface Characterization; Adsorption; Montmorillonite; Synthetic Birnessite (MnO2); Electrophoresis Cobalt Amine Complexes-Adsorption; Hydrolysis; Surface Speciation 1983 No. 140 -- In Situ Survival of Enteric Bacteria in Estuarine Environments Martha W. Rhodes and Howard I. Kator Subjects: Enteric Bacteria; Escherichia coli; Salmonella spp.; Water Quality; Estuaries; Environmental Microbiology; Sublethal Stress No. 138 -- Institutional Issues Affecting Water Supply Development: Illustrations from Southeastern Virginia William E. Cox and Leonard A. Shabman Subjects: water No. 137 -- Wastewater Treatment In Soil as a Function of Residence Time In the Root Zone William L. Magette, Eldridge R. Collins, Jr., and Vernon O. Shanholtz Subjects: Land Application; Land Treatment Design; Effluent Irrigation; Nitrate Pollution; Percolation; SPAW Model; Soil Water Model No. 127 -- Seasonal Variation in the Nature and Removability of Reservoir THM Precursors Robert C. Hoehn, Clifford W. Randall, Jill K. Malone, and Kevin L. Dixon Subjects: Trihalomethanes; Drinking Water Treatment; Algae; Trihalomethane Precursors; Lake-Water Organics 1982 No. 139 -- Altered Hydrology of the Missouri River and Its Effects on Floodplain Forest Ecosystems W. Carter Johnson, Peggy W. Reily, L. Scott Andrews, James F. McLellan, and John A. Brophy Subjects: Floodplains; Floodplain Protection; Floods; Forests; Dams; Riparian Ecosystems; Riparian; Vegetation; Rivers; River Meandering; Growth; Survivorship; Land Use; North Dakota; Missouri River No. 136 -- A Financial Assessment of Virginia's Outdoor Recreation Planning Leonard Shabman and Reid Ostrander Subjects: Recreation; Outdoor Recreation; Recreation Planning; Land Use; Public Investment; Linear Programming No. 133 -- Floc Property Effects on Sludge Dewatering Characteristics William R. Knocke and Douglas L. Wakeland Subjects: Sludge Floc Properties; Floc Density; Sludge Filtrate Viscosity; Floc Compressibility; Floc Strength; Sludge Dewatering Characteristics; Sludge Handleability; Particle Size Distribution No. 130 -- Model for Simulating Runoff and Erosion in Ungaged Watersheds B. B. Ross, M. L. Wolfe, V. O. Shanholtz, M. D. Smolen, D. N. Contractor Subjects: water 1981 No. 135 -- Runoff and Pollution Abatement Characteristics of Concrete Grid Pavements Gary E. Day, David R. Smith, and John Bowers Subjects: Pavement; Concrete Grid Pavement; Urban Runuff; Stormwater Runoff; Stormwater Management; Heavy Metals; Nitrogen; Phosphorus; Plant Nutrients No. 134 -- Securing Support for Nonpoint Pollution Control with Local Compensation William Park and Leonard Shabman Subjects: Nonpoint Pollution Control; 208 Planning; Water Quality; Cost Distribution; Benefit Distribution; Occoquan Basin No. 132 -- The Significance of Heavy Metals In Urban Runoff Entering the Occoquan Reservoir Clifford W. Randall, Robert C. Hoehn, Thomas J. Grizzard, Stanley P. Gawlik, Jr., Dennis R. Helsel, and William D. Lorenz, Jr. Subjects: Heavy Metals; Urban Runoff; Stormwater Runoff; Benthic Organisms; Bioaccumulation; Biomagnification; Water Pollution; Urbanization; Occoquan Reservoir; Water Supply No. 116 -- Rock Type and Minimum 7-Day/10-Year Flow in Virginia Streams Rod W. Smith Subjects: Minimum 7Day Per 10Year Flow; 7 Day Per 10Year Low Flow; Q7,10; Virginia Streamflows; Streamflows; Streams; Geohydrology 1980 No. 131 -- Enumeration and Inactivation of Enteric Viruses In Sludge Michael W. Nath and James C. Johnson Subjects: Sludge; Enteric Virus; Inactivation; Evaporation; Enumeration; Plaquing; Efficiencies; Bound-Virus Sludge Solids; Desorption; Extraction and Concentration; Surfactants; Poliovirus-2; Coxsackievirus B-2; Anatid Herpesvirus; Ultracentrifugation; Monitoring; (14)C-Poliovirus No. 129 -- Direct Filtration of Virginia Surface Waters: Feasibility and Costs Richard F. McCormick and Paul H. King Subjects: Water Treatment; Coagulation; Sedimentation; Filtration; Economics No. 128 -- Rapid Assays for Microbial Degradation of 2-Chlorophenol H.S . Pal, T. Murphy, A. C. Carter, and S. W. Drew Subjects: Indicator Organisms; Chlorophenol; Most-Probable-Number; Culture Acclimation; Microbial Subpopulations No. 126 -- Sediment Bacteria as a Water Quality Indicator In the Lynnhaven Estuary Carl W. Erkenbrecher, Jr. Subjects: Total Coliforms; Fecal Coliforms; Fecal Streptococci; Suspended Sediment; Water Quality; Bacteria; Sediment No. 125 -- Agricultural Land Use: Effects on the Chemical Quality of Runoff M.D. Smolen and V.0. Shanholtz Subjects: Agriculture; Water Quality; Hydrology; Background Water Quality; Land Use; Precipitation; Nitrogen; Phosphorus No. 124 -- Septic Tank Drainfield Failures Resulting from Mineralogical Changes L. W. Zelazny, D. A. Lietzke, and H. L. Barwood Subjects: Septic Tank Drainfield Failures; Mineralogical Changes; Soils; Groundwater; Water Pollution; Wastewater No. 123 -- Dynamics and Control of the Asiatic Clam In the New River, Virginia Donald S. Cherry, John H. Rodgers, Jr., Robert L. Graney, and John Cairns, Jr. Subjects: Corbicula; Asiatic Clam; Toxicity; Bioconcentration; Population Density; Bioassays; New River No. 122 -- Measuring the Risks of Waste Disposal by Deep-Well Injection Charles H. Breeden Subjects: Waste Disposal Methods; Deep-Well Waste Disposal; Injection-Well Disposal; Subsurface Waste Disposal; Environmental Risk No. 119 -- Streamflow and Water Quality Modeling of the Chowan River D.N. Contractor and P. H. King Subjects: Chowan River; Numerical Modeling; Water Resources; Flood Routing; Water Quality Modeling; Algal Growth; Implicit Finite Difference Method 1979 No. 121 -- Navigation User Charges: Impact on the Transportation of Agricultural Products James Binkley, Leonard Shabman, Joseph Havlicek, William Luppold, Richard Stillman, Walter Spilka, and David Kenyon Subjects: User Charges; Navigation; Water Resources Policy; Transportation; Inland Waterways No. 120 -- Virginia's Inland Waterways: Legal Rights and Landowners' Perceptions William E. Cox and Keith A. Argow Subjects: Recreation; Public Rights; Canoeing; Fishing; Water Law; Public Access; Navigability; Steambed Ownership; Riparian Rights; Landowner Attitudes; Property Rights; Scenic Rivers No. 118 -- Occurrence and Distribution of Human Bacterial Pathogens in Virginia Surface Waters Stephen L. Wendt, Bruce C. Parker. and Joseph O. Falkinham III Subjects: Waterborne Pathogenic Bacteria; Atypical Mycobacteria; Microlayer; Aerosols; Epidemiology of Atypical Mycobacteria; Adsubble Process; Bubble-Burst Jet-Drop Mechanism; Environmental Microbiology No. 117 -- Effects of Non-Point Pollution on Benthic Invertebrates In the Lynnhaven River System Daniel M. Dauer, W. Wright Robinson, Charles P. Seymour. and A. Thomas Leggett, Jr. Subjects: Non-Point Pollution; Nutrient Enrichment; Macrobenthic Invertebrates; Estuaries No. 114 -- Survey and Evaluation of Social Science Research on Flood-Damage Abatement S. K. Paulson and W. E. Lawrence Subjects: Floods; Flood Prevention; Flood Damage; FloodDamage Abatement; Sociology; Social; Institutions; Values; Atitudes; Beliefs; Behavior; Customs; Bibliography; State of Art; Knowledge; Community; Economics; Energy; Health; Environment; Culture 1978 No. 115 -- Evaluation of Stream Improvement Practices In Southeastern Trout Streams O. Eugene Maughan, Kent L. Nelson, and John J. Ney Subjects: Stream Habitat Improvement; Stream Improvement Structures; Mountain Trout Streams; Gabions; Boulder Emplacements; Log Dams; Instream Cover No. 113 -- Benzimidazole Fungitoxicants in Virginia Soils: Movement, Disappearance, and Effect on Microorganisms D.B. Janutolo and R. J. Stipes Subjects: Fungitoxicants; Fungicides; Fungistats; Residues; Pesticides; Benomyl; Benlate; Lignasan BLP; Carbendazim; Surfactants; Soil ThinLayer Chromatography; Plant Chemotherapy; Plant Disease Control No. 112 -- Wastewater User Charges and Industrial Cost Recovery: Guidelines and Examples Peter M. Ashton and William R. Walker Subjects: User Charges; Industrial Cost Recovery; Industrial Charges; Industrial Assessment; Waste Treatment Charges; Utility Rates for Waste Treatment; Municipal Wastewater Charges No. 111 -- Modeling Sediment Movement in the Turbidity Maximum of an Estuary Albert Kuo, Maynard Nichols, and James Lewis Subjects: Mathematical Model; Estuaries; Sediment Transport; Turbidity Maximum No. 110 -- Swine Lagoon Effluent on a Soil-Plant Environment: An Impact Assessment A.R. Collins, Jr., E. T. Kornegay, and D. C. Martens Subjects: Swine Waste Treatment; Land Disposal; Swine Waste Irrigation No. 106 -- Effects of Temperature on Aquatic Organism Sensitivity to Selected Chemicals John Cairns, Jr., Arthur L. Buikema, Jr., Alan G. Heath, Bruce C. Parker Subjects: Toxicity; Bioassay; Thermal Pollution; Interaction of Toxicants; Aquatic Organisms No. 85 -- A Model for Evaluating the Effect of Land Uses on Flood Flows B.B. Ross, V.0. Shanholtz, D.N. Contractor, and J.C. Carr Subjects: Watershed Model; Land Use Model; Finite Element Model; Surface Flow Modeling; Stormwater Model; Flood Flow Routing; Parametric Model; Watershed Subdivision No. 80 -- Impact of Urban Runoff on Water Quality In the Occoquan Watershed Clifford W. Randall, Thomas J. Grizzard, and Robert C. Hoehn Subjects: Storm Runoff; Urban Runoff; Water Pollution Sources; Biochemical Oxygen Demand; Coliforms; Heavy Metals; Nutrients; Suspended Solids; Total Organic Carbon; Hydrographs 1977 No. 109 -- Phosphate and Tripolyphosphate Adsorption by Clay Minerals and Estuarine Sediments Carol A. Lake and William G. Maclntyre Subjects: Phosphate; Adsorption; Clays; Sediment [Abstract] No. 108 -- Magnetic Separation of Soluble Organic Pollutants from Water J. A. Petruska and J.V. Perumpral Subjects: High Gradient Magnetic Separation; Food Processing Wastewater; Activated Carbon Adsorption; Soluble Organics; Wastewater Treatment; Nutrient Removal; Water Purification [Abstract] No. 105 -- A Computerized Method for Abstracting and Evaluating Environmental Impact Statements Gary F. Martel and Robert T. Lackey Subjects: Environmental Impact Statement; Environmental Analysis; Environmental Assessment; Simulation; Reservoirs and Impoundments; Dams; Probability and Statistics [Abstract] No. 104 -- A Productivity Study of the Roanoke River Above Niagara Dam In Virginia Joseph H. Sherrard and Joyce L. Hoyle Subjects: Eutrophication; Productivity; Algal Growth Potential; Nutrients; Nitrogen; Phosphorus [Abstract] No. 103 -- Effect of Land Use Management on Flood Predictions Rod W. Smith, Donald K. Jamison, and John W. Knapp Subjects: Floods; Flood Prediction; Land Use Practices; Land Use Management [Abstract] No. 102 -- A Watershed Planning and Management System: Design and Synthesis Robert H. Giles, Jr. Subjects: Planning; Watershed Management; Computers; Models; Optimization; Decisionmaking; Urban Ecosystems [Abstract] No. 101 -- Interest Group Perceptions of Development Issues in Tidewater Virginia Kenard E. Smith, Larry M. Springer, and John D. Stephens Subjects: Costal Zone Management; Middlesex County; Virginia; Tidewater Virginia; Chesapeake Bay; Perceptions; Delphi Techniques; Exurbanization; Interest Groups; Constraints to Growth; WasteDisposal Problems; Septic Tanks; Water Pollution; Demography; Leadership Assessment Techniques; Local Perceptions of Growth Potential; Community Perceptions of Environmental Hazards No. 100 -- Pollutant Movement to Shallow Ground Water Tables from Swine Waste Lagoons T.G. Ciravolo, D.C. Martens, D.L. Hallock, E.R. Collins, Jr., and E.T. Kornegay Subjects: Pollutant Movement; Ground Water Monitoring; Lagoon Seepage; Soluble Nutrients; Waste Disposal [Abstract] No. 097 -- Stream Community Response to Road Construction Sediments James R. Reed, Jr. Subjects: Nonpoint Sources; Pollution; Road Construction Effects; Macrobenthos and Fishes; Population Response [Abstract] No. 092 -- Rotifer Sensitivity to Combinations of Inorganic Water Pollutants Arthur L. Buikema, Jr., Carolyn L. See, and John Cairns, Jr. Subjects: Toxicity; Invertebrate Bioassays; Rotifers; Inorganic Compounds; Pollution Hazard Assessment [Abstract] No. 084 -- Water Quality at Five Proposed Industrial Sites on the Roanoke and New Rivers James H. Wilson and Kenneth L. Dickson Subjects: Water Quality; New River; Biological Assessment; Baseline Ecological Surveys; Roanoke River [Abstract] 1976 No. 107 -- Water Resources Administration in Virginia: Analysis and Evaluation William R. Walker and William E. Cox Subjects: Water Resources Management; Administrative Agencies; Institutions; Water Policy; Administrative Decisions; Water Quality Management; Water Resources Development; Water Allocation; Water Supply Development [Abstract] No. 099 -- A Model for Predicting Flood Hazards Due to Specific Land-Use Practices B.B. Ross, D.N. Contractor, E.A. Li, V.0. Shanholtz, J.C. Carr Subjects: Mathematical Models; Computer Models; Model Studies; Agricultural Watersheds; Watershed Management; Finite Element Mehtod; Land Use; Surfaction; Surface Runoff; Floods [Abstract] No. 098 -- Evaluation of Sediment Yields Due to Urban Development Chin Y. Kuo Subjects: Urban Runoff; Sediment Yield; Soil Erosion; Monitoring; NonPoint Pollution Sources; Urban Hydrology; Construction [Abstract] No. 096 -- Citizen Attitudes Toward Management of the Chesapeake Bay Leonard A. Shabman and Peter M. Ashton Subjects: Resources Management; Public Participation; Coastal Zone Management; Chesapeake Bay [Abstract] No. 095 -- Land Prices In Flood Hazard Areas: Applying Methods of Land Value Analysis Demetrios Damianos and Leonard A. Shabman Subjects: Flood Control; Floodplain Management; Economic Analysis; Land Use [Abstract] No. 094 -- A Butane Freezing Process for Dewatering Sludge M.Z. Ali Khan, Clifford W. Randall, and N. Thomas Stephens Subjects: Activated Sludge; Sludge Conditioning; Slurry Freezing; Dewatering; Economic Feasibility; Design Criteria; Vacuum Filtration; Gravity Drainage; Specific Resistance; Setting Velocity [Abstract] No. 093 -- Penetration and Mixing of Heated Discharges Into Waterways J.A. Schetz, C.H Lewis, B.L. Sill, J.C. Chien, and D. Markham Subjects: Thermal Pollution; Waterways; Mixing; Numerical Analysis; Simulation; Water Temperature; Temperature Effects; Destratification; Cooling Water [Abstract] No. 091 -- User Changes for Inland Waterways: A Review of Issues In Policy and Economic Impact Leonard A. Shabman Subjects: Water Policy; Economic Impact; Inland Waterways; User Charges; Cost Analysis; Navigable Waters; Waterways [Abstract] No. 089 -- Wastewater Disinfection: State-of-the-Art Summary C.M. Sawyer Subjects: Residual Chlorine; Chlorine; Disinfection; Chlorination; Ozonation; Halogens; Irradiation; Toxicity; Wastewater; Bacteria; Pathogens; Pathogenic Bacteria; Wastewater Treatment; Water Treatment [Abstract] No. 087 -- Factors Affecting Water Quality at Strip Mine Sites J.F. Connel, D.N. Contractor, and V.0. Shanholtz Subjects: Acid Mine Drainage; Strip Mines; Hydrology; Surface Runoff; Alkalinity; Wa\ter Temperature; Acid Streams; Stream Pollution; Acidity; Deterministic Models [Abstract] No. 086 -- The Effects of Various Tertiary Treatment Nutrient Removal Schemes on Periphyton Communities in Model Laboratory Streams Jerry C. Smrchek, John Cairns, Jr., Kenneth L. Dickson, Paul H. King, Clifford W. Randall, John Crowe, David Huber, and John W. Olver Subjects: Model Studies; Trickling Filters; Eutrophication; Algae; Benthic Flora; Ecological Effects; Stream Biota; Wastewater Pollution; Phosphorus; Carbon; Wastewater; Nitrogen; Aquatic Populations; Ecosystems [Abstract] No. 079 -- Nitrogen, Phosphorus and Carbon Flux in Chesapeake Bay Marshes Donald M. Axeland, Kenneth A. Moore, and Michael E. Bender Subjects: Nitrogen, Phosphorus and Carbon Flux in Chesapeake Bay Marshes [Abstract] 1975 No. 090 -- Residue-Removal Methods for Pesticides and Industrial Chemicals Found In Aquatic Environments Roderick W. Young Subjects: Pesticide; Detection Limits; Polychlorinated Biphenyls; Gas Chromatography; Chemical Wastes; Chemical Analysis; Organic Pesticides; Nonpoint Pollution Sources [Abstract] No. 088 -- A Case Study of Non-Point Source Pollution in Virginia Leland L. Harms and Elizabeth V. Southerland Subjects: NonPoint Pollution Sources; Organic Matter; Sediments; Nutrients; Nitrogen; Phosphorus; Case Studies; Pollution; Wastewater Pollution; Agriculture; Urban; Point Source Pollution; Land Use [Abstract] No. 082 -- Evaluating a Mathematical Model for Predicting Lake Eutrophication G.M. Hornberger, Mahlon G. Kelley, and T.C. Lederman Subjects: Eutrophication; Mathematical Models; Ecological Effects; Computer Models; Nutrients; Phytoplankton [Abstract] No. 078 -- Teaching Water Resource Management with the Aid of a Computer-Implemented Simulator Robert T. Lackey and Franklin B. Titlow Subjects: Computer Models; Education; Resources Management; Decision Making; Land Management; Water Management; Fish Management; Wildlife Management; Training [Abstract] No. 077 -- Recovery and Reuse of Coagulants from Treatment of Water and Wastewater Paul H. King, Ben H.H. Chen, and Kenneth Weeks, Jr. Subjects: Water Treatment; Chemical Coagulation; Chemical Recovery; Economic Feasibility; Aluminum Salt; Iron Salt; Wastewater Treatment; Computer Models; Metals; Alum Sludge; Aluminum; Alum; Iron [Abstract] No. 076 -- Modeling the Assimilative Capacity of a Small Mountain Stream R.E. Hoehn, M. Childrey, and D.N. Contractor Subjects: Computer Models; Dissolved Oxygen; Biochemical Oxygen Demand; Stream Pollution; Wastewater Disposal [Abstract] No. 074 -- Removal of Soluble Mercury from Waste Water by Complexing Techniques Donald L. Michelsen, James A. Gideon, Gerald P Griffith, John E. Pace, and Hidayet L. Kutat Subjects: Tannery Wastes; Wastewater Reclamation; Mercury; Ion Exchange; Resins; Adsorption; Wastewater Treatment; Anion Exchange; Cation Exchange; Heavy Metals [Abstract] No. 073 -- Vertical Electrical Resistivity Soundings To Locate Ground Water Resources: A Feasibility Study Mohamed A. Sabet Subjects: Groundwater; Sounding; Resistivity; Groundwater Availability; Electrical Well Logging; Groundwater Budget; Aquifer Testing [Abstract] 1974 No. 083 -- Guarding Our Water Resources (1974 Annual Report of the Virginia Water Resources Research Center) Subjects: Guarding Our Water Resources No. 081 -- Minimum Oxygen Levels Survived by Stream Invertebrates Eugene W. Surber and William E. Bessey Subjects: Invertebrates; Oxygen; Oxygen Requirements; Water Quality; Aeration; Mollusks; Crustaceans; Insects; Aquatic Insects [Abstract] No. 075 -- National Water Commission: A Review of Some Issues Peter M. Ashton Subjects: Water Resources Development; Water Pollution Control; Pricing; Urban Planning; Social Values; Legal Aspects; Political Aspects [Abstract] No. 072 -- Water Resources Research in Virginia - Annual Report for Fiscal Year 1972 Water Resources Research Center Subjects: Water Resources Institutes; Water Pollution Control; Sludge; Model Studies; Micoorganisms; Industrial Wastewater; Reclaimed Water; Detergents; Monitoring; Fungi [Abstract] No. 071 -- Rotifers as Monitors of Heavy Metal Pollution in Water Arthur L. Buikema, John Cairns, Jr., and Gail W. Sullivan Subjects: Heavy Metals; Bioassay; Rotifers; Invertebrates; Toxins; Pollution; Monitoring [Abstract] No. 070 -- Predicting Pollution in the James River Estuary: A Stochastic Model Harry Bard and Richard G. Krutchkoff Subjects: Mathematical Models; Estuaries; Sensitivity Analysis; Wastewater Disposal; Temperature; Carbon; Nitrogen; Phosphorus; Bacteria; Algae [Abstract] No. 069 -- Water Quality Monitoring: Bacteria as Indicators Noel R. Krieg and Jean H. Bowdre Subjects: Industrial Wastes; Indicators; Bacteria; Toxins; Heavy Metals; Monitoring [Abstract] No. 068 -- Aquatic Fungi in Rivers: Their Distribution and Response David F. Farr and Robert A. Paterson Subjects: Aquatic Environment; Aquatic Fungi; Ecological Effects; Sewage Treatment; Toxicants; Industrial Wastes; Heavy Metals; Detergents; Effluents; Species Composition; Species Diversity; Nutrients [Abstract] No. 067 -- Minimizing Water and Sewage Costs Using TOPAZ John W. Dickey, J. Marshall Anthony, Dale R. Burton,Alan R. Gordon, Kent R. Morgan, Richard M. Peters, Jr., and Michael A. Volpe Subjects: Land Use; Sewer Systems; Cost Analysis; Optimization; Regional Planning; Regional Development; ComputerModels; Water Supply; Water Management [Abstract] No. 066 -- Rehabilitation of Streams Receiving Acid Mine Drainage Edwin E. Herricks and John Cairns, Jr. Subjects: Acid Mine Drainage; Aquatic Environment; Neutralization; Computer Models; Stream Degradation; Aquatic Drift; Aquatic Habitats; Acid Streams; Stream Biota; Stream Pollution; Acidity; Rehabilitation; Species Diversity [Abstract] No. 064 -- Investigations of Freshwater Surface Microlayers Roger F. Hatcher and Bruce C. Parker Subjects: Aquatic Environment; Sampling; Surface Water; Aerosols; Microorganisms; Metals; Pesticide [Abstract] No. 060 -- Stochastic Model for a Dynamic Ecosystem William R. Schofield and Richard G. Krutchkoff Subjects: Model Studies; Estuaries; Eutrophication; Water Quality; Water Pollution Effects; Computer Programs [Abstract] back to top 1973 No. 065 -- Water Resources Research: Annual Report for Fiscal Year 1973 Water Resources Research Center Subjects: Water Resources Institutes; Monitoring; Management Planning; Computers; Acid Mine Drainage; Herbicides; Tidal Marshes; Wastewater Treatment; Sludge; Lagoons; Water Law; Floods; Insurance; Administrative Agencies [Abstract] No. 063 -- Aquatic Invertebrate Recovery in the Clinch River Following Hazardous Spills and Floods John S. Crossman and John Cairns, Jr. Subjects: Benthic Fauna; Hazardous Materials; Fly Ash; Sulfuric Acid; Flooding; Acidity; Mollusks; Clams; Species Diversity; Acid; Species Composition; Stream Degradation; Pollution; Aquatic Drift; Power Plants; Stream Biota [Abstract] No. 062 -- Effect of Detergent-Laden Water on the Growth of Corn Wybe Kroontje, Jesse Judy, and Hermann Hahne Subjects: Detergents; Salinity; Fertilizers; Irrigation Effects; Plant Growth; Phosphorus [Abstract] No. 061 -- Optimal Procedures for the Processing of Waste Activated Sludge Clifford W. Randall, David G. Parker, and Antonio Rivera-Cordero Subjects: Sludge; Sludge Drying; Aerobic Digestion; Anaerobic Digestion; Polymers; Filtration; Compressibility; Chlorination [Abstract] No. 059 -- The Development of an Automated Biological Monitoring System for Water Quality John Cairns, Jr., John W. Hall, Eric L. Morgan, Richard E. Sparks, William T. Walker. and Garson F. Westlake Subjects: Water Quality; Monitoring; Bluegills; Chlorine; Zinc; Industrial Waste; Heavy Metals; Toxicity; Fish; Indicator [Abstract] No. 058 -- Improving Water Quality by Removal of Pesticide Pollutants with Aquatic Plants S.W. Bingman Subjects: Pesticide; Herbicide; Residue Removal; Pollutant Removal; Water Quality; Aquatic Plants; Algae; Herbicide Metabolism [Abstract] No. 057 -- The Effects of Waste Discharges from Radford Army Ammunition Plant on the Biota of the New River, Virginia John Cairns, Jr., and Kenneth L. Dickson Subjects: Stream Survey; Biological Survey; Munition Wastes; TNT Wastes; Nutrient Enrichment [Abstract] back to top 1972 No. 056 -- Some Seismic Measurements on the Virginia Coastal Plain John K. Costain and Edwin S. Robinson Subjects: Seismology; Seismic Properties; Seismic Waves; Wave Refraction, Wave Velocity; Coastal Plains; Stratigraphy [Abstract] No. 055 -- A Pre-Impoundment Study of the North Anna River, Virginia George M. Simmons, Jr. Subjects: Water Quality; Acid Mine Drainage; Reservoirs; Benthic Environment; Oxygen; Nutrients; Bacteria; Radioisotopes; Benthic Fauna; Physical Properties; Chemical Properties; Sediments; Species Diversity [Abstract] No. 054 -- An Ecosystematic Study of the South River, Virginia John Cairns, Jr., and Kenneth L. Dickson Subjects: Organic Enrichment; Biological Survey; Nutrient Enrichment; Diversity [Abstract] No. 053 -- Climatological Summaries for Selected Stations In Virginia Curtis W. Crockett Subjects: Climatic Data; Climates; Air Temperature; Precipitation; Local Precipitation; Weather; Weather Data Collections; Meterological Data Collection [Abstract] No. 052 -- Treatment of Waste Sludges from Water Purification Plants Paul H. King, Henry M. Bugg, John W. Olver, and David G. Argo Subjects: Sludge; Alum Sludge; Sludge Drying; Chemical Coagulation; Polyelectrolytes; Vacuum Filtration; Flocculation; Water Treatment; Sludge Conditioning [Abstract] No. 051 -- Numerical Studies of Unsteady Flow in the James River D.N. Contractor and J.M. Wiggert Subjects: Flood Routing; Numerical Analysis; Computers; Open Channel Flow; Reservoir Stages; Low Flows; River Flow; Hydraulics; Channel Roughness; Flood Flows; James River; Virginia; Smith Mountain Pumped Storage Project; Leesville Reservoir [Abstract] No. 050 -- Measuring Attitudes Toward Water Use Priorities John A. Ballweg Subjects: Water Management; Water Use; Attitudes; Scaling; Statistical Analysis; Surveys; Public Opinions; Recreation; Public Participation [Abstract] No. 049 -- Water Resources In Virginia: 1969-1971 W.R. Walker and T.W. Johnson Subjects: Education; Publications; Research Facilities [Abstract] No. 048 -- The Effects of Heated Waste Waters on Some Microorganisms John Cairns, Jr. and Guy R. Lanza Subjects: Thermal Stress; Thermal Pollution; Microorganisms; Fluorescence [Abstract] No. 045 -- Biological and Chemical Study of Virginia's Estuaries Morris L. Brehmer Subjects: Estuaries; Water Quality; Monitoring; Saline Water; Nitrogen; Phosphorus; Chlorophyll; Nutrients [Abstract] back to top 1971 No. 047 -- Convective Heat and Mass Transfer from Water Surfaces J. Taylor Beard, Charles S. Chen, and Chandrika Prasad Subjects: Heat Transfer; Mass Transfer; Analog Models; AirWater Interfaces; Interferometry; Surface Water [Abstract] No. 046 -- Water Resources Research In Virginia: Annual Report Fiscal Year 1971 Virginia Water Resources Research Center Subjects: Water Resources Institutes; Allotments; Grants; Administration; Water Quality; Water Management [Abstract] No. 044 -- Proceedings: Community Workshop on Flood Insurance James E. Hackett and T.W. Johnson Subjects: Floods; Insurance; Economic Aspects; Local Government; Law; Public Participation [Abstract] No. 043 -- Effects of Zooplankton on Algae in Weshampton Lake John W. Bishop Subjects: Algae; Plankton; Rotifers; Aquariums; Photosynthesis; Zooplankton; Copepods; Vertical Distribution; Chlorophyll [Abstract] No. 042 -- Adsorption of Organic Compounds onto Solids from Aqueous Solutions James P. Wightman, Leslie R. Dole, J. Jones and Clarence A. King Subjects: Adsorption; Pollutants; Phenols; Polymers; Silica; Carbon; Infrared Spectroscopy; Sorption; Decontamination; Cleanup; Solids Contact Processes [Abstract] No. 041 -- A Guide to Aquatic Smartweeds (Polygonum) of the United States Richard S. Mitchell Subjects: Aquatic Weeds; Water Quality; Taxonomy; Systematics; Reservoirs; Wetlands; Aquatic Habitats; Aquatic Plants [Abstract] No. 036 -- Microbial Release of Soluble Phosphate in an Activated Sludge Environment Clifford W. Randall, Bruce S. Hulcher, and Duane W. Marshall Subjects: Wastewater Treatment; Activated Sludge; Eutrophication; Phosphorus Removal; Sludge Conditioning; Sorption; Anaerobic Digestion; Aerobic Digestion; Microorganisms [Abstract] No. 035 -- The Effects of Detergents on Gas Absorption Processes Jerry A. Caskey, Ralph F. Herbert, and Yan Pui To Subjects: SoilWaterPlant Relationships; Evapotranspiration; Infiltration; Plant Growth; Soil Profiles; Computer Models [Abstract] No. 010 -- Flood Damage Abatement Study for Virginia William R. Walker Subjects: Floods; Flood Damage; Flood Plain Management; Legislation; Regulations; Floodways; Encroachment [Abstract] back to top 1970 No. 040 -- Water Resources Research in Virginia - Annual Report for Fiscal Year 1970 Virginia Water Resources Research Center Subjects: Water Resources Institutes; Education; Publications; Nuclear Power Plants; Wastewater Treatment; Phosphorus Removal; Thermal Pollution; Microorganisms; Recreation; Reservoirs; Research Priorities; Thermal Capacity; Phenols; Activated Carbon [Abstract] No. 039 -- Flood Damage Abatement: Federal Assistance to Local Government W.R. Walker and T.W. Johnson Subjects: Floods; Flood Damage; Flood Plain Management; Local Governments; Flood Control; Economic Aspects [Abstract] No. 038 -- A Soil Water Model for Two Contrasting Tillage Systems Vernon O. Shanholtz and J. H. Lillard Subjects: SoilWaterPlant Relationships; Evapotranspiration; Infiltration; Plant Growth; Soil Profiles; Computer Models [Abstract] No. 037 -- Legal Aspects of Water Supply and Water Quality Storage William R. Walker and William E. Cox Subjects: Water Storage; Water Quality; Water Rights; Riparian Rights; Legislation; Federal Jurisdiction; State Jurisdiction; Legal Aspects; Water Law; Water Pollution Control [Abstract] No. 034 -- The Treatment of Disperse Textile Dye Wastes by Foam Fractionation Donald L. Michelsen and Thomas B. Fansler Subjects: Textile Mill Wastes; Foam Separation; Chemical Oxygen Demand; Color Removal; Turbidity; Biological Oxidation; Surfactants; Flocculation; Waste Water Treatment; Polyelectrolytes [Abstract] 1969 No. 033 -- Temperature and Turbulence Effects on the Parameter "Delta" in the Stochastic Model for BOD and DO In Streams Joseph R. Bosley, John J. Cibulka, and Richard G. Krutchkoff Subjects: Model Studies; Water Quality; Biological Oxygen Demand; Dissolved Oxygen; Water Temperature; Turbulent Flow; Steam Pollution; Statistical Models; Oxygen Sag [Abstract] No. 032 -- Removal of Selected Contaminants from Water by Sorption of Coal Paul H. King, Francis R. McNeice, and Pierre S. Warren Subjects: Pesticides; Lindane; Parathion; Herbicides; Phosphorus; Sorption; Activated Carbon; Coal; Wastewater Treatment [Abstract] No. 031 -- Annual Report: Fiscal Year 1969 Virginia Water Resources Research Center Subjects: Water Resources Institutes; Public Relations; Education; Research Priorities; Sludge; Evaporation; Coal; Hydrologic Cycle; Social Aspects; Dissolved Oxygen; Adsorption; Ground Water; Aquatic Weeds; Estuaries; Dye Industrial Wastes; Zooplankton [Abstract] No. 030 -- The Influence of Solar Radiation Reflectance on Water Evaporation J. Taylor Beard and David K. Hollen Subjects: Evaporation; Reservoir Evaporation; Water Loss; Solar Radiation; Computer Models; Numerical Analysis; Reflectance; Optical Properties [Abstract] No. 029 -- Public Perception of Water Resource Problems Charles A. Ibsen and John A. Ballweg Subjects: Social Aspects; Public Opinion; Water Use; Water Cost; Water Pollution; Water Shortage [Abstract] No. 028 -- Generalized Initial Conditions for the Stochastic Model for Pollution and Dissolved Oxygen In Streams Richard H. Moushegian and Richard G. Krutchkoff Subjects: Model Studies; Biological Oxygen Demand; Dissolved Oxygen; Rivers; Water Quality; Mathematical Studies; Computer Programs [Abstract] No. 027 -- Water Evaporation Suppression John L. Gainer, J. Taylor Beard, and Robert T. Thomas Subjects: Water Pollution; Air Pollution; Economic Evaluation; Cost Analysis; Regulations; Economic Aspects; Interdisciplinary Studies; CostBenefit Analysis; Effluent Charges; Subsidies; Waste Management; Government Supports; Property Rights; Unemployment [Abstract] No. 026 -- Economics of Air and Water Pollution Papers from a seminar Subjects: Water Pollution; Air Pollution; Economic Evaluation; Cost Analysis; Regulations; Economic Aspects; Interdisciplinary Studies; CostBenefit Analysis; Effluent Charges; Subsidies; Waste Management; Government Supports; Property Rights; Unemployment [Abstract] No. 025 -- Geologic Control of Rainfall-Runoff Relations in the Peak Creek Watershed, Pulaski, and Wythe Counties, Virginia Byron N. Cooper Subjects: Rainfall; RainfallRunoff Reationships; Gaging; Watersheds; Dams; Small Watersheds; Geologic Formations; Bedrock [Abstract] No. 024 -- Prediction Models for Investment in Urban Drainage Systems John W. Knapp and Walter J. Rawls Subjects: Urban Watersheds; Urban Drainage; Precipitation Rate; Land Use; Cost Analysis; Drainage Systems; Urban Runoff; Urban Planning; Storm Sewers; CostBenefit Analysis; Model Studies [Abstract] No. 023 -- Some Water Quality Aspects of the Upper River Basin with Special Emphasis on Temperature Kenneth B. Cumming and R. Don Estes Subjects: Water Quality; Reservoirs; Pumped Storage; Water Temperature; Water Pollution; Thermal Pollution; Water Analysis; Rivers; Bass; Hydroelectric Power [Abstract] No. 022 -- Stochastic Models for Biological Oxygen Demand and Dissolved Oxygen In Estuaries Stephen W. Custer and Richard Krutchkoff Subjects: Model Studies; Biochemical Oxygen Demand; Dissolved Oxygen; Water Pollution; Oxygen Deficit; Wastewater Pollution [Abstract] No. 021 -- The Effects of Pumped Storage Reservoir Operation on Biological Productivity and Water Quality George Simmons and Stuart E. Neff Subjects: Water Quality; Pumped Storage; Reservoirs; Dissolved Oxygen; Coliforms; Primary Productivity; Bacteria; Nutrients; Water Circulation; Lakes; Enrichment; Thermal Stratification [Abstract] No. 020 -- Probability Forecasts of 30-Day Precipitation John W. Philpot and Richard G. Krutchkoff Subjects: Precipitation; Areal Precipitation; Forecasting; Weather Data Collections; Weather Forecasting; Model Studies [Abstract] No. 015 -- Instantaneous Unit Hydrograph Response by Harmonic Analysis Jonathan T. Phillippe and James M. Wiggert Subjects: Rainstorms; Streamflow; Streamflow Forecasting; Unit Hydrographs; Hydrographs; RainfallRunoff Relationships; Precipitation; Computer Programs; Hydrograph Analysis; Mathematical Studies [Abstract] back to top 1968 No. 019 -- Annual Report: Fiscal Year 1968 Water Resources Research Center Subjects: Water Resources Institutes; Education; Publications; Water Quality; Streptococcus; Wastewater Treatment; Water Treatment; Evaporation Control; Dye Industry Wastes; Hydrologic Models; Estuaries; Ecology; Swamps; Land Use [Abstract] No. 018 -- Water Resources Research in Virginia William R. Walker Subjects: Research Facilities [Abstract] No. 017 -- Water Resources Research Interests in the Colleges and Universities of Virginia William R. Walker Subjects: Education; Organization; Research Facilities; Institutions [Abstract] No. 016 -- Computer System for the Reduction and Analysis of Soil Moisture Data Vernon O. Shanholtz Subjects: Computer Programs; Soil Water; Data Processing; Statistical Analysis; Fortran; Soil Profiles; Analysis of Variance [Abstract] No. 014 -- Hydrologic Aspects of No-Tillage Versus Conventional Tillage Systems for Corn Production Vernon O. Shanholtz and James L. Lillard Subjects: Soil Moisture Retention; Soil Water; Soil Conservation; Plant Growth; Crop Yield; Corn; Statistical Analysis; Evaporation Control; Soil Erosion; Model Studies [Abstract] No. 013 -- The Effect of Water Quality on the Metabolism of the Lactic Streptococci Robert E. Benoit Subjects: Water Quality; Fermentation; Culture Media; Streptococcus; Bacteria; Trace Elements; Metabolism; Dairy Industry; Milk [Abstract] No. 012 -- Analysis of Hydrologic Systems Tsung Ting Chiang and James M. Wiggert Subjects: Artificial Watercourses; Rainfall Runoff Relationships; Simulation; Rainfall Simulators; Openchannel Flow; Mathematical Models; Streamflow Forecasting; Systems Analysis [Abstract] No. 011 -- Multicomponent Mass Transport In Aqueous and Membrane Systems George B. Wills Subjects: Membranes; Conductivity; Mass Transfer; Membrane Filters; Mathematical Models; Ions [Abstract] No. 009 -- Water Resources Laws In Virginia William R. Walker and William E. Cox Subjects: Legal Aspects; Regulations; Legislation; Water Rights; Water Resources [Abstract] back to top 1967 No. 008 -- Annual Report: Fiscal Year 1967 Water Resources Research Center Subjects: Water Resources Institutes; Education; Publications; Pumped Storage; Reservoirs; Mathematical Models; Waste Treatment; Sludge; Algae; Runoff; Drainage Systems; Crop Yield; Herbicides; Water Quality; Political Aspects [Abstract] No. 007 -- Lime Treatment for Removal of Phosphate from Digester Supernatant Liquor William A. Parsons, H.H. Yeh, and J.M. Glennon, Jr. Subjects: Sludge; Sludge Drying; Lime; Chemical Precipitation; Phosphorus Removal; Phosphates; Wastewater Treatment; Aeration; Sludge Excess [Abstract] No. 005 -- Translocation of Growth Regulators in Chara vulgaris, a Non-Vascular Aquatic Plant Found In Virginia's Waters Thomas O. Evrard and William F. Chappell Subjects: Water Quality; Herbicides; Pesticides; Chara; Isotope Studies; Aquatic Weed Control; Streams; Lakes; Ponds [Abstract] back to top 1966 No. 006 -- Annual Report: Fiscal Year 1966 Virginia Water Resources Research Center Subjects: Water Resources Institutes [Abstract] No. 004 -- Water Resources Programs in Virginia Papers from a symposium Subjects: Water Resources Development; Regional Planning; Recreation; Water Quality; Groundwater; Soil Conservation; Streams; Coastal Waters [Abstract] No. 003 -- Stochastic Model for Pollution and Dissolved Oxygen in Streams Richard P. Thayer and Richard G. Krutchkoff Subjects: Model Studies; Biological Oxygen Demand; Dissolved Oxygen; Rivers; Water Quality; Simulation; Mathematical Studies [Abstract] No. 001 -- Water Resources of Virginia: Inventory of Printed Information and Data Frederick E. McJunkin and William R. Walker Subjects: Water Resources [No abstract available]