National Water-Quality Assessment (NAWQA) Program
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Showing results 1 to 26 of 1908.
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Domagalski, J.L., and Johnson, Henry, 2012, Phosphorus and Groundwater: Establishing links between agricultural use and tansport to streams: U.S. Geological Survey Fact Sheet 2012-3004 , 4 p. 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
Anning, David W., 2011, Modeled sources, transport, and accumulation of dissolved solids in water resources of the Southwestern United States: Journal of the American Water Resources Association, online 22Aug2011 in advance of print, 23 p. doi: 10.1111/j.1752-1688.2011.00579.x Available Online
Ayotte, J.D., Gronberg, J.M., and Apodaca, L.E., 2011, Trace elements and radon in groundwater across the United States, 1992-2003: U.S. Geological Survey Scientific Investigations Report 2011-5059, 115 p. Available Online
Ayotte, Joseph, D., Szabo, Zoltan, Focazio, Michael J., and Eberts, Sandra M., 2011, Effects of human-induced alteration of groundwater flow on concentrations of naturally-occurring trace elements at water-supply wells: Applied Geochemistry, 16 p., in press. doi:10.1016/j.apgeochem.2011.01.033 Available Online
Baker, N.T., 2011, Tillage practices in the conterminous United States, 1989-2004 - -Datasets Aggregated by Watershed: U.S. Geological Survey Data Series 573, 13 p., online only. Available Online
Baker, N.T., and Capel, P.D., 2011, Environmental factors that influence the location of crop agriculture in the conterminous United States: U.S. Geological Survey Scientific Investigations Report 2011-5108, 72 p. Available Online
Bradley, Paul M., Burns, Douglas A., Riva-Murray, Karen, Brigham, Mark E., Button, Daniel T., Chasar, Lia C., Marvin-DiPasquale, Mark, Lowery, Mark A., and Journey, Celeste A., 2011, Spatial and seasonal variability of dissolved methylmercury in two stream basins in the eastern United States: Environmental Science and Technology, vol. 46, no. 6, p. 2048-2055. doi: 10.1021/es103923j Available Online
Brakebill, J.W., Wolock, D.M., and Terziotti, S.E., 2011, Digital hydrologic networks supporting applications related to spatially referenced regression modeling: Journal of the American Water Resources Association, online 22Aug2011 in advance of print, 17 p. doi: 10.1111/j.1752-1688.2011.00578.x Available Online
Brown, J.B., Sprague, L.A., and Dupree, J.A., 2011, Nutrient sources and transport in the Missouri River Basin, with emphasis on the effects of irrigation and reservoirs: Journal of the American Water Resources Association, online 22Aug2011 in advance of print, 27 p. doi: 10.1111/j.1752-1688.2011.00584.x Available Online
Brown, Juliane B., 2011, Application of the SPARROW watershed model to describe nutrient sources and transport in the Missouri River Basin: U.S. Geological Survey Fact Sheet 2011-3104, 4 p. Available Online
Chang, F., Simcik, M.F., and Capel, P.D., 2011, Occurrence and fate of the herbicide glyphosate and its degradate aminomethylphosphonic acid in the atmosphere: Environmental Toxicology and Chemistry, vol. 30, no. 3 , p. 548-555. doi: 10.1002/etc.431 Available Online
Coupe, Richard H., Kalkhoff, Stephen J., Capel, Paul D., and Gregoire, Caroline, 2011, Fate and transport of glyphosate and aminomethylphosphonic acid in surface waters of agricultural basins: Pest Management Science, 15 p., online in advance of print. doi: 10.1002/ps.2212 Available Online
Cuffney, T.F., Kashuba, R., Qain, S.S., Alameddine, I., Cha, Y.K., and Lee, B., 2011, Multilevel regression models describing regional patterns of invertebrate and algal responses to urbanization across the USA: Journal of the North American Benthological Society, vol. 30, no. 3, p. 797-819. doi: 10.1899/10-140.1 Available Online
Domagalski, J.L., and Johnson, H.M., 2011, Subsurface transport of orthophosphate in five agricultural watersheds, USA: Journal of Hydrology, in press, doi:10.1016/j.jhydrol.2011.08.014 Available Online
Frey, J.W., Bell, A.H., Hambrook Berkman, J.A., and Lorenz, D.L., 2011, Assessment of nutrient enrichment by use of algal-, invertebrate-, and fish-community attributes in wadeable streams in ecoregions surrounding the Great Lakes: U.S. Geological Survey Scientific Investigations Report 2011-5009, 49 p. Available Online
Garcia, Ana Maria, Hoos, Anne B., and Terzitti, Silvia, 2011, A regional modeling framework of phosphorus sources and transport in streams of the southeastern United States: Journal of the American Water Resources Association, 10 Mar 2011, online in advance of print, 20 p. doi: 10.1111/j.1752-1688.2010.00517.x Available Online
Heimann, D.C., Cline, T.L., and Glaspie, L.M., 2011, Suspended-sediment and suspended-sand concentrations and loads for selected streams in the Mississippi River Basin, 1940-2009: U.S. Geological Survey Data Series 593, 6 p. Available Online
Hubbard, L., Kolpin, D.W., Kalkhoff, S.J., and Robertson, D.M., 2011, Nutrient and sediment concentrations and corresponding loads during the historic June 2008 flooding in eastern Iowa: Journal of Environmental Quality, vol. 40, p. 166-175. doi: 10.2134/jeq2010.0257 Available Online
Hughes, W.B., Younker, C.L., 2011, Organic compounds assessed in Chattahoochee River water used for public supply near Atlanta, Georgia, 2004-05: U.S. Geological Survey Fact Sheet 2011-3062, 6 p. Available Online
Jagucki, M.L., Musgrove, M., Lindgren, R.J., Fahlquist, L., and Eberts, S.M., 2011, Assessing the vulnerability of public-supply wells to contamination--Edwards aquifer near San Antonio, Texas: U.S. Geological Survey Fact Sheet FS 2011-3142, 6 p. Available Online
Johnson, G.C., Zimmerman, T.M., Lindsey, B.D., and Gross, E.L., 2011, Factors affecting groundwater quality in the Valley and Ridge aquifers, eastern United States, 1993-2002: U.S. Geological Survey Scientific Investigations Report 2011-5115, 70 p. Available Online
Johnson, R.L., Clark, B.R., Landon, M.K., Kauffman, L.J., and Eberts, S.M., 2011, Modeling the potential impact of seasonal and inactive multi-aquifer wells on contaminant movement to public water-supply wells: Journal of the American Water Resources Association, 9 p., online only in advance of print. doi: 10.1111/j.1752-1688.2011.00526.x Available Online
Katz, B.G., Eberts, S.M., and Kauffman, L.J., 2011, Using Cl/Br ratios and other indicators to assess potential impacts on groundwater quality from septic systems: A review and examples from principal aquifers in the United States: Journal of Hydrology, vol. 397, no. 3-4, p. 151-166. doi: 10.1016/j.jhydrol.2010.11.017 Available Online
Kratzer, C.R., Kent, R.H., Saleh, D.K., Knifong, D.L., Dileanis, P.D., and Orlando, J.L., 2011, Trends in nutrient concentrations, loads, and yields in streams in the Sacramento, San Joaquin, and Santa Ana Basins, California, 1975-2004: U.S. Geological Survey Scientific Investigations Report 2010-5228, 112 p. Available Online
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