National Water-Quality Assessment (NAWQA) Program
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Showing results 1701 to 1726 of 2000.
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Sargent, B. Pierre, Maupin, Molly A., and Hinkle, Stephen R., 2008, Estimated Withdrawals from Stream-Valley Aquifers and Refined Estimated Withdrawals from Selected Aquifers in the United States, 2000: USGS Scientific Investigations Report 2008-5003, 71 p. Available Online
Scudder, B.C., Chasar, L.C., DeWeese, L.R., Brigham, M.E., Wentz, D.A., and Brumbaugh, W.G., 2008, Procedures for collecting and processing aquatic invertebrates and fish for analysis of mercury as part of the National Water-Quality Assessment Program: U.S. Geological Survey Open-File Report 2008-1208, 34 p. Available Online
Short, T.M., DeWeese, L.R., and Dubrovsky, N.M., 2008, Discrimination of trait-based characteristics by trace element bioaccumulation in riverine fishes: Canadian Journal of Fisheries and Aquatic Sciences, v. 65, p. 1087-1100. doi: 10.1139/F08-036 Available Online
Sprague, L.A., and Nowell, L.H., 2008, Comparison of pesticide concentrations in streams at low flow in six metropolitan areas of the United States: Environmental Toxicology and Chemistry, vol. 27, no. 2, p. 288-298. doi: 10.1897/07-276 Available Online
Steele, G.V., Johnson, H.M., Sandstrom, M.W., Capel, P.D., and Barbash, J.E., 2008, Occurrence and fate of pesticides in four contrasting agricultural settings in the United States: Journal of Environmental Quality, vol. 37, p. 1116-1132. doi: 10.2134/jeq2007.0166 Available Online
Stone, W.W., Gilliom, R.J., and Crawford, C.G., 2008, Watershed Regressions for Pesticides (WARP) for predicting annual maximum and maximum moving-average concentrations of atrazine in streams: U.S. Geological Survey Open-File Report 2008-1186, 19 p. Available Online
U.S. Geological Survey, 2008, Relations of Water Quality to Agricultural Chemical Use and Environmental Setting at Various Scales - Results from Selected Studies of the National Water-Quality Assessment Program: U.S. Geological Survey Fact Sheet FS 2007-3088, 6 p. Available Online
Valder, Joshua F., Delzer, Gregory C., Price, Curtis V., and Sandstrom, Mark W., 2008, Study design and percent recoveries of anthropogenic organic compounds with and without the addition of ascorbic acid to preserve water samples containing free chlorine, 2004-06: U.S. Geological Survey Open-File Report 2008-1226, 86 p. Available Online
Vecchia, A.V., Martin, J.D., and Gilliom, R.J., 2008, Modeling variability and trends in pesticide concentrations in streams: Journal of the American Water Resources Assocation, vol. 44, no. 5, October 2008, p. 1308-1324. doi: 10.1111/j.1752-1688.2008.00225.x Available Online
Vogel, J.R., Majewski, M.S., and Capel, P.D., 2008, Pesticides in rain in Four agricultural watersheds in the United States: Journal of Environmental Quality, vol. 37, p. 1101-1115. doi: 10.2134/jeq2007.0079 Available Online
Waite, I.R., Sobieszczyk, S., Carpenter, K.D., Arnsberg, A.J., Johnson, H.M., Hughes, C.A., Sarantou, M.J., and Rinella, F.A., 2008, Effects of Urbanization on Stream Ecosystems in the Willamette River Basin and Surrounding Area, Oregon and Washington: U.S. Geological Survey Scientific Investigations Report 2006-5101-D, 63 p. Available Online
Webb, R.M.T., Wieczorek, M.E., Nolan, B.T., Hancock, T.C., Sandstrom, M.W., Barbash, J.E., Bayless, E.R., Healy, R.W., and Linard, J., 2008, Variations in pesticide leaching related to land use, pesticide properties, and unsaturated zone thickness: Journal of Environmental Quality, vol. 37, p. 1145-1157. doi: 10.2134/jeq2007.0245 Available Online
Wilson, John T., Baker, Nancy T., Moran, Michael J., Crawford, Charles G., Nowell, Lisa H., Toccalino, Patricia L., and Wilber, William G., 2008, Methods and Sources of Data Used to Develop Selected Water-Quality Indicators for Streams and Ground Water for the 2007 Edition of The State of the Nation's Ecosystems Report with Comparisons to the 2002 Edition: U.S. Geological Survey Open-File Report 2008-1110, 61 p. Available Online
Zamora, Celia, 2008, Estimating Water Fluxes Across the Sediment-Water Interface in the Lower Merced River,California: U.S. Geological Survey Scientific Investigations Report 2007-5216, 47 p. Available Online
Alexander, R.B., Bohlke, J.K., Boyer, E.W., David, M.B., Harvey, J.W., Mulholland, P.J., Seitzinger, S.P., Tobias, C.R., Tonitto, C., Wollheim, W.M., 2009, Dynamic modeling of nitrogen losses in river networks unravels the coupled effects of hydrological and biogeochemical processes : Biogeochemistry (2009) 93:91-116, p. 91-116. doi: 10.1007/s10533-008-9274-8 Available Online
Anning, D.W., Thiros, S.A., Bexfield, L.M., McKinney, T.S., and Green, J.M., 2009, Southwest principal aquifers regional ground-water quality assessment: U.S. Geological Survey Fact Sheet 2009-3015, 4 p. Available Online
Banks, W.S.L., and Reyes, B., 2009, Anthropogenic organic compounds in source and finished groundwater of community water systems in the Piedmont Physiographic Province, Potomac River Basin, Maryland and Virginia, 2003-2004: U.S. Geological Survey Scientific Investigations Report 2009-5064, 33 p. Available Online
Barlow, Jeannie R.B., and Coupe, Richard H., 2009, Use of heat to estimate streambed fluxes during extreme hydrologic events: Water Resources Research, vol. 45, W01403, 10 p. doi: 10.1029/2007WR006121 Available Online
Bauch, N.J., Chasar, L.C., Scudder, B.C., Moran, P.W., Hitt, K.J., Brigham, M.E., Lutz, M.A., and Wentz, D.A., 2009, Data on mercury in water, bed sediment, and fish from streams across the United States, 1998-2005: U.S. Geological Survey Data Series 307, 33 p. Available Online
Bender, D.A., Delzer, G.C., Price, C.V., and Zogorski, J.S., 2009, Occurrence of volatile organic compounds in selected urban streams in the United States, 1995-2003: U.S. Geological Survey Scientific Investigations Report 2009-5203, 87 p. Available Online
Berndt, M.P., and Crandall, C.A., 2009, Factors affecting water quality in domestic wells in the Upper Floridan aquifer, southeastern United States: U.S. Geological Survey Scientific Investigations Report 2009-5147, 39 p. Available Online
Bohlke, J.K., Antweiler, R.C., Harvey, J.W., Laursen, A.E., Smith, L.K., Smith R.L., and Voytek, M.A., 2009, Multi-scale measurements and modeling of denitrification: Biogeochemistry (2009) 93:117-141, p. 117-141. doi: 10.1007/s10533-008-9282-8 Available Online
Bradley, P.M., Chapelle, F.H., Journey, C.A., 2009, Comparison of methylmercury production and accumulation in sediments of the Congaree and Edisto River Basins, South Carolina, 2004-06: U.S. Geological Survey Scientific Investigations Report 2009-5021, 9 p. Available Online
Brigham, M.E., Wentz, D.A., Aiken, G.R., and Krabbenhoft, D.P., 2009, Mercury cycling in stream ecosystems- 1. Water column chemistry and transport: Environmental Science and Technology, vol. 43, no. 8, p. 2720-2725. doi: 10.1021/es802694n Available Online
Brown, C.J., Starn, J.J., Stollenwerk, K.G., Mondazzi, R.A., and Trombley, T.J., 2009, Aquifer chemistry and transport processes in the zone of contribution to a public-supply well in Woodbury, Connecticut, 2002-06: U.S. Geological Survey Scientific Investigations Report 2009-5051, 158 p. Available Online
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