National Water-Quality Assessment (NAWQA) Program
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Showing results 326 to 351 of 2000.
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Green, C.T., Fisher, L.H., and Bekins, B.A., 2008, Nitrogen fluxes through unsaturated zones in five agricultural settings across the United States: Journal of Environmental Quality, vol. 37, p. 1073-1085. doi: 10.2134/jeq2007.0010 Available Online
Green, C.T., Puckett, L.J., Bohlke, J.K., Bekins, B.A., Phillips, S.P., Kauffman, L.J., Denver, J.M., and Johnson, H.M., 2008, Limited occurrence of denitrification in four shallow aquifers in agricultural areas of the United States: Journal of Environmental Quality, vol. 37, p. 994-1009. doi: 10.2134/jeq2006.0419 Available Online
Gurdak, Jason J., Walvoord, Michelle A., and McMahon, Peter B., 2008, Susceptibility to enhanced chemical migration from depression-focused preferential flow, High Plains aquifer: Vadose Zone Journal, vol. 7, no. 4, p. 1172-1184. doi: 10.2136/vzj2007.0145 Available Online
Hancock, T.C., Sandstrom, M.W., Vogel, J.R., Webb, R.M.T., Bayless, E.R., and Barbash, J.E., 2008, Pesticide fate and transport throughout unsaturated zones in five agricultural settings, USA: Journal of Environmental Quality, vol. 37, p. 1086-1100. doi: 10.2134/jeq2007.0024 Available Online
Harte, Philip T., Robinson, Jr., Gilpin R., Ayotte, Joseph D., and Flanagan, Sarah M., 2008, Framework for evaluating water quality of the New England Crystalline Rock Aquifers: U.S. Geological Survey Open-File Report 2008-1282, 51 p. Available Online
Hirsch, Robert M., Hamilton, Pixie A., Miller, Timothy L., and Myers, Donna N., 2008, Water availability - the connection between water use and quality: U.S. Geological Survey Fact Sheet FS 2008-3015, 4 p. Available Online
Hirsch, Robert, Miller, Timothy L., Hamilton, Pixie, and Gilliom, Robert, 2008, Key water issues now facing our Nation: Water Resources Impact, vol. 10, no. 3, May 2008, p. 31-32.
Hoos, Anne B., Terziotti, Silvia, McMahon, Gerard, Savvas, Katerina, Tighe, Kirsten C., and Alkons-Wolinsky, Ruth, 2008, Data to Support Statistical Modeling of Instream Nutrient Load Based on Watershed Attributes, Southeastern United States, 2002: U.S. Geological Survey Open-File Report 2008-1163, 51 p. Available Online
Jagucki, M.J., Landon, M.K., Clark, B.R., and Eberts, S.M., 2008, Assessing the Vulnerability of Public-Supply Wells to Contamination: High Plains Aquifer Near York, Nebraska: U.S. Geological Survey Fact Sheet FS 2008-3025, 6 p. Available Online
Jurgens, Bryant C., Burow, Karen R., Dalgish, Barbara A., and Shelton, Jennifer L., 2008, Hydrogeology, water chemistry, and factors affecting the transport of contaminants in the zone of contribution of a public-supply well in Modesto, Eastern San Joaquin Valley, California: U.S. Geological Survey Scientific Investigations Report 2008-5156, 94 p. Available Online
Kingsbury, James A., 2008, Relation between flow and temporal variations of nitrate and pesticides in two karst springs in northern Alabama: Journal of the American Water Resources Association, vol. 44, no. 2, p. 478-488. Available Online
Kingsbury, James A., Delzer, Gregory C., and Hamilton, Pixie A. , 2008, Man-Made Organic Compounds in Source Water of Nine Community Water Systems that Withdraw from Streams, 2002-05: U.S. Geological Survey Fact Sheet FS 2008-3094, 6 p. Available Online
Kingsbury, James A., Delzer, Gregory C., and Hopple, Jessica A., 2008, Anthropogenic Organic Compounds in Source Water of Nine Community Water Systems that Withdraw from Streams, 2002-05: U.S. Geological Survey Scientific Investigations Report 2008-5208, 68 p. Available Online
Konrad, C.P., Brasher, A.M.D., and May, J.T., 2008, Assessing streamflow characteristics as limiting factors on benthic invertebrate assemblages in streams across the western United States: Freshwater Biology, vol. 53, no. 10, 16 p. doi: 10.1111/j.1365-2427.2008.02024.x Available Online
Landon, Matthew K., Clark, Brian R., McMahon, Peter B., McGuire, Virginia L., and Turco, Michael J., 2008, Hydrogeology, Chemical Characteristics, and Transport Processes in the Zone of Contribution of a Public-Supply Well in York, Nebraska: U.S. Geological Survey Scientific Investigations Report 2008-5050, 149 p. Available Online
Lutz, Michelle A., Brigham, Mark E., and Marvin-DiPasquale, Mark, 2008, Procedures for Collecting and Processing Streambed Sediment and Pore Water for Analysis of Mercury as Part of the National Water-Quality Assessment Program: U.S. Geological Survey Open-File Report 2008-1279, 69 p. Available Online
Marvin-DiPasquale, M.C., Lutz, M.A., Krabbenhoft, D.P., Aiken, G.R., Orem, W.R., Hall, B.D., DeWild, J.F., and Brigham, M.E., 2008, Total mercury, methylmercury, methylmercury production potential, and ancillary streambed-sediment and pore-water data for selected streams in Oregon, Wisconsin, and Florida, 2003-04: U.S. Geological Survey Data Series 375, 24 p. Available Online
McMahon, P.B., and Chapelle, F.H., 2008, Redox processes and water quality of selected principal aquifer systems: Ground Water, vol. 46, no. 2, 13 p. doi: 10.1111/j.1745-6584.2007.00385.x Available Online
McMahon, P.B., Bohlke, J.K., Kauffman, L.J., Kipp, K.L., Landon, M.K., Crandall, C.A., Burow, K.R., and Brown, C.J., 2008, Source and transport controls on the movement of nitrate to public supply wells in selected principal aquifers of the United States: Water Resources Research, vol. 44, W04401, 17 p. doi: 10.1029/2007WR006252 Available Online
McMahon, P.B., Burow K.R., Kauffman, L.J.,Eberts, S.M., Bohlke, J.K., and Gurdak, J.J., 2008, Simulated response of water quality in public supply wells to land use change: Water Resources Research, vol. 44, W00A06, 16 p. doi: 10.1029/2007WR006731 Available Online
Meador, Michael R., Carlisle, Daren M., and Coles, James F., 2008, Use of tolerance values to diagnose water-quality stressors to aquatic biota in New England streams: Ecological Indicators, vol. 8, no. 5, p. 718-728. doi: 10.1016/j.ecolind.2008.01.002 Available Online
Mize, Scott V., Porter, Stephen D., and Demcheck, Dennis K., 2008, Influence of fipronil compounds and rice-cultivation land-use intensity on macroinvertebrate communities in streams of southwestern Louisiana, USA: Environmental Pollution, vol. 152, p. 491-503. doi: 10.1016/j.envpol.2007.03.021 Available Online
Murdoch, Peter S., Jenkins, Jennifer C., and Birdsey, Richard A., eds., 2008, The Delaware River Basin Collaborative Environmental Monitoring and Research Initiative: Foundation Document: Gen. Tech. Rep. NRS-25 (U.S. Department of Agriculture, Forest Service, Northern Research Station, Newtown Square, PA), 93 p. Available Online
Paschke, Suzanne S., Schaffrath, Keelin R., and Mashburn, Shana L., 2008, Near-Decadal Changes in Nitrate and Pesticide Concentrations in the South Platte River Alluvial Aquifer, 1993-2004: Journal of Environmental Quality, vol. 37, no. 5, p. S281-S295. doi: 10.2134/jeq2007.0656 Available Online
Plummer, L.N., Busenberg, E., Eberts, S.M., Bexfield, L.M., Brown, C.J., Fahlquist, L.S., Katz, B.G., and Landon, M.K., 2008, Low-level detections of halogenated volatile organic compounds in groundwater: Use in vulnerability assessments: Journal of Hydrologic Engineering, vol. 13, no. 11, November 2008, p. 1049-1068. doi: 10.1061/(ASCE)1084-0699(2008)13:11(1049) Available Online
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