National Water-Quality Assessment (NAWQA) Program
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Showing results 576 to 601 of 606.
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McCarthy, K.A., Rose, C.E., and Kalkhoff, S.J., 2012, Environmental settings of the South Fork Iowa River basin, Iowa, and the Bogue Phalia basin, Mississippi, 2006-10: U.S. Geological Survey Scientific Investigations Report 2012-5021, 22 p. Available Online
McMahon, P.B., 2012, Use of classes based on redox and groundwater age to characterize the susceptibility of principal aquifers to changes in nitrate concentrations, 1991 to 2010: U.S. Geological Survey Scientific Investigations Report 2012-5220, 41 p. Available Online
Moran, Patrick W., Calhoun, Dan L., Nowell, Lisa H., Kemble, Nile E., Ingersoll, Chris G., Hladik, Michelle L., Kuivila, Kathryn M., Falcone, J., and Gilliom R.J., 2012, Contaminants in stream sediments from seven U.S. metropolitan areas: Data summary of a National Pilot Study: U.S. Geological Survey Scientific Investigations Report 2011-5092, 66 p. Available Online
Nakagaki, Naomi, Hitt, K.J., Price, C.V., and Falcone, J.A., 2012, Methods to characterize environmental settings of stream and groundwater sampling sites for National Water-Quality Assessment: U.S. Geological Survey Scientific Investigations Report 2012-5194, 56 p. Available Online
National Research Council, 2012, Preparing for the third decade of the National Water-Quality Assessment Program: National Academy Press, Washington, D.C., 185 p. Available Online
Norman, J.E., Kuivila, K.M., and Nowell, L.H., 2012, Prioritizing pesticide compounds for analytical methods development: U.S. Geological Survey Scientific Investigations Report 2012-5045, 206 p. Available Online
Nowell, L.H., Moran, P.W., Gilliom, R.J., Calhoun, D.L., Ingersoll, C.G., Kemble, N.E., Kuivila, K.M., Phillips, P.J., 2012, Contaminants in stream sediments from seven U.S. metropolitan areas: I. Distribution in relation to urbanization: Archives of Environmental Contamination and Toxicology (2013) vol. 64, p. 32-51. doi: 10.1007/s00244-012-9813-0 Available Online
Paul, A.P., Paretti, N.V., MacCoy, D.E., and Brasher, A.M.D., 2012, The occurrence of trace elements in bed sediment collected from areas of varying land use and potential effects on stream macroinvertebrates in the conterminous western United States, Alaska, and Hawaii, 1992-2000: U.S. Geological Survey Scientific Investigations Report 2012-5272, 55 p. Available Online
Qian, Song S., and Cuffney, Thomas F., 2012, To threshold or not to threshold? That's the question: Ecological Indicators, vol. 15, no. 1, p. 1-9. doi: 10.1016/j.ecolind.2011.08.019 Available Online
Qian, Song S., Cuffney, Thomas F., and McMahon, Gerard, 2012, Multinomial regression for analyzing macroinvertebrate assemblage composition data: Freshwater Science, vol. 31, no. 3, p. 681-694. doi: 10.1899/11-026.1 Available Online
Riva-Murray, K., Bradley, P.M., Chasar, L.C., Button, D.T., Brigham, M.E., Scudder Eikenberry, B.C., Journey, C.A., and Lutz, M.A., 2012, Influence of dietary carbon source on mercury bioaccumulation in small streams of the Adirondack Mountains and the Coastal Plain of South Carolina: Ecotoxicology, published in Online First section of Ecotoxicology on 26 October 2012, 12 p. doi: 10.1007/s10646-012-1003-3 Available Online
Scudder Eikenberry, B.C., Riva-Murray, Karen, Smith, M.J., Bradley, P.M., Button, D.T., Clark, J.M., Burns, D.A., and Journey, C.A., 2012, Environmental settings of selected streams sampled for mercury in New York and South Carolina, 2005-09: U.S. Geological Survey Open-File Report 2011-1318, 36 p. Available Online
Skinner, K.D., and Rupert, M.G., 2012, Numerical model simulations of nitrate concentrations in groundwater using various nitrogen input scenarios, mid-Snake region, south-central Idaho: U.S. Geological Survey Scientific Investigations Report 2012-5237, 30p. Available Online
Sprague, Lori A., and Gronberg, JoAnn M., 2012, Relating management practices and nutrient export in agricultural watersheds of the United States: Journal of Environmental Quality, vol. 41, no. 6, p. 1939-1950. doi: 10.2134/jeq2012.0073 Available Online
Stackelberg, Paul E., Barbash, Jack E., Gilliom, Robert J., Stone, Wesley W., and Wolock David M., 2012, Regression models for estimating concentrations of atrazine plus deethylatrazine in shallow groundwater in agricultural areas of the United States: Journal of Environmental Quality, vol. 41, no. 2, 16 p. doi:10.2134/jeq2011.0200 Available Online
Starn, Jeffrey J., Bagtzoglou, Amvrossios C., and Robbins, Gary A., 2012, Methods for simulating solute breakthrough curves in pumping groundwater wells: Computers & Geoscience, online in advance of print, January 2012, 12 p. 10.1016/j.cageo.2012.01.011 Available Online
Stets, E.G., Kelly, V.J., Broussad, W.P., III, Smith, T.E., and Crawford, C.G., 2012, Century-scale perspective on water quality in selected river basins of the conterminous United States: U.S. Geological Survey Scientific Investigations Report 2012-5225, 108 p. Available Online
Szabo, Zoltan, dePaul, Vincent T., Fischer, Jeffrey M., Kraemer, Thomas F., and Jacolsen, Eric, 2012, Occurrence and geochemistry of radium in water from principal drinking-water aquifer systems of the United States: Applied Geochemistry, vol. 27, Issue 3, March 2012, p. 729-752. doi: 10.1016/j.apgeochem.2011.11.002 Available Online
Szabo, Zoltan, Fischer, J.M., and Hancock, T.C., 2012, Principal aquifers can contribute radium to sources of drinking water under certain geochemical conditions: U.S. Geological Survey Fact Sheet 2010-3113, 6 p. Available Online
Terziotti, Silvia, McMahon, Gerard, and Bell, A.H., 2012, Representation of regional urban development conditions using a watershed-based gradient study design: U.S. Geological Survey Scientific Investigations Report 2012-5070, 109 p. Available Online
Toccalino, P.L., Norman, J.E., Booth, N.L, Thompson, J.L., and Zogorski, J.S., 2012, Health-based screening levels: benchmarks for evaluating water-quality data: U.S. Geological Survey, National Water-Quality Assessment Program website, at http://water.usgs.gov/nawqa/HBSL/. Available Online
Toccalino, Patricia L., Norman, Julia E., and Scott, Jonathon C., 2012, Chemical mixtures in untreated water from public-supply wells in the U.S. -- Occurrence, composition, and potential toxicity: Science of The Total Environment, 2012, vol. 431, p. 262-270. 10.1016/j.scitotenv.2012.05.044 Available Online
Waite, I.R., Kennen, J.G., May, J.T., Brown, L.R., Cuffney, T.F., Jones, K.A., Orlando, J.L., 2012, Comparison of stream invertebrate response models for bioassessment metrics: Journal of the American Water Resources Association, vol. 48, no. 3, p. 570-583. doi: 10.1111/j.1752-1688.2011.00632.x Available Online
Zuellig, R.E., Carlisle, D.M., Meador, M.R., and Potapova, M., 2012, Variance partitioning of stream diatom, fish, and invertebrate indicators of biological condition: Freshwater Science, vol. 31, no. 1, p. 182-190. doi: 10.1899/11-040.1 Available Online
Bradley, P.M., Journey, C.A., Brigham, M.E., Burns, D.A., Button, D.T., and Riva-Murray, K., 2013, Intra- and inter-basin mercury comparisons--importance of basin scale and time-weighted methylmercury estimates: Environmental Pollution, vol. 172, January 2013, (published online, 17 September 2012), p. 42-52. Available Online
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