National Water-Quality Assessment (NAWQA) Program
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Showing results 251 to 276 of 606.
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Domagalski, J.D., Phillips, S.P., Bayless, E.R., Zamora, Celia, Kendall, Carol, Wildman, R.A., and Hering, J.G., 2008, Influences of the unsaturated, saturated, and riparian zones on the transport of nitrate near the Merced River, California, USA: Hydrogeology Journal, vol. 16, no. 4, p. 675-690. doi: 10.1007/s10040-007-0266-x Available Online
Domagalski, J.L., Ator, S., Coupe, R., McCarthy, K., Lampe, D., Sandstrom, M., and Baker, N., 2008, Comparative study of transport processes of nitrogen, phosphorus, and herbicides to streams in five agricultural basins, USA: Journal of Environmental Quality, vol. 37, p. 1158-1169. doi: 10.2134/jeq2007.0408 Available Online
Duff, J.H., Tesoriero, A.J., Richardson, W.B., Strauss, E.A., and Munn, M.D., 2008, Whole-stream response to nitrate loading in three streams draining agricultural landscapes: Journal of Environmental Quality, vol. 37, p. 1133-1144. doi: 10.2134/jeq2007.0187 Available Online
Essaid, H.I., Zamora, C.M., McCarthy, K.A., Vogel, J.R., and Wilson, J.T. , 2008, Using heat to characterize streambed water flux variability in four stream reaches: Journal of Environmental Quality 2008 (37), p. 1010-1023. doi: 10.2134/jeq2006.0448 Available Online
Fisher, L.H., and Healy, R.W., 2008, Water movement within the unsaturated zone in four agricultural areas of the United States: Journal of Environmental Quality 2008 (37), p. 1051-1063. doi: 10.2134/jeq2006.0561 Available Online
Fox, Garey A., Thelin, Gail P., Sabbagh, John W., and Kelly, Iain D., 2008, Estimating watershed level nonagricultural pesticide use from golf courses using geospatial methods: Journal of the American Water Resources Association, vol. 44, no. 6, p. 1363-1372. doi: 10.1111/j.1752-1688.2008.00229.x Available Online
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
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.
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., 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
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
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
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
Porter, Stephen D., 2008, Algal Attributes: An Autecological Classification of Algal Taxa Collected by the National Water-Quality Assessment Program: U.S. Geological Survey Data Series 329, 18 p. Available Online
Porter, Stephen D., Mueller, David K., Spahr, Norman E., Munn, Mark D., and Dubrovsky, Neil M., 2008, Efficacy of algal metrics for assessing nutrient and organic enrichment in flowing waters: Freshwater Biology, vol. 53, p. 1036-1054. doi: 10.1111/j.1365-2427.2007.01951.x Available Online
Puckett, L.J., Zamora, C., Essaid, H., Wilson, J.T., Johnson, H.M., Brayton, M.J., and Vogel, J.R., 2008, Transport and Fate of Nitrate at the Ground-Water/Surface-Water Interface: Journal of Environmental Quality, vol. 37, p. 1034-1050. doi: 10.2134/jeq2006.0550 Available Online
Rosen, Michael R., and Lapham, Wayne W., 2008, Introduction to the U.S. Geological Survey National Water-Quality Assessment (NAWQA) of Ground-Water Quality Trends and Comparison to Other National Programs: Journal of Environmental Quality, vol. 37, no. 5, p. S190-S198. doi: 10.2134/jeq2008.0049 Available Online
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