National Water-Quality Assessment (NAWQA) Program
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Groschen, George E., Arnold, Terri L., Morrow, William S., and Warner, Kelly L., 2009, Occurrence and distribution of iron, manganese, and selected trace elements in ground water in the glacial aquifer system of the Northern United States: U.S. Geological Survey Scientific Investigations Report 2009-5006, 89 p. Available Online
Gurdak, J.J., McMahon, P.B., Dennehy, K.F., and Qi, S.L., 2009, Water quality in the High Plains aquifer, Colorado, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming, 1999-2004: U.S. Geological Survey Circular 1337, 63 p. Available Online
Hinkle, S.R., Kauffman, L.J., Thomas, M.A., Brown, C.J., McCarthy, K.A., 2009, Combining particle-tracking and geochemical data to assess public supply well vulnerability to arsenic and uranium: Journal of Hydrology, v. 376, p. 132-142. Available Online
McCarthy, K.A., 2009, A whole-system approach to understanding agricultural chemicals in the environment: U.S. Geological Survey Fact Sheet 2009-3042, 6 p., on-line only. Available Online
Robertson, Dale M., Schwarz, Gregory E., Saad, David A., and Alexander, Richard B., 2009, Incorporating Uncertainty into the Ranking of SPARROW Model Nutrient Yields from the Mississippi/Atchafalaya River Basin Watersheds: Journal of the American Water Resources Association, Vol. 45, No. 2, April 2009, p. 534-549. doi: 10.1111/j.1752-1688.2009.00310.x Available Online
Sullivan, D.J., Vecchia, A.V., Lorenz, D.L., Gilliom, R.J., and Martin, J.D., 2009, Trends in pesticide concentrations in corn-belt streams, 1996-2006: U.S. Geological Survey Scientific Investigations Report 2009-5132, 75 p. Available Online
Tesoriero, Anthony J., Duff, J.H., Wolock, D.M., Spahr, N.E., and Almendinger, J.E., 2009, Identifying Pathways and Processes Affecting Nitrate and Orthophosphate Inputs to Streams in Agricultural Watersheds: Journal of Environmental Quality 38:1892-1900, 9 p. doi: 10.2134/jeq2008.0484 Available Online
Vecchia, Aldo V., Gilliom, Robert J., Sullivan, Daniel J., Lorenz, David L., and Martin, Jeffrey D., 2009, Trends in concentrations and use of agricultural herbicides for Corn Belt rivers, 1996-2006: Environmental Science & Technology, accepted Oct. 20, 2009, 7 p. doi: 10.1021/es902122j Available Online
Alexander, R.B., Smith, R.A., Schwarz, G.S., Boyer, E.W., Nolan, J.V., and Brakebill, J.W., 2008, Differences in phosphorus and nitrogen delivery to the Gulf of Mexico from the Mississippi River Basin: Environmental Science and Technology, v. 42, no. 3, p. 822-830. doi: 10.1021/es0716103 Available Online
Arnold, T.L., Warner, K.L., Groschen, G.E., Caldwell, J.P., and Kalkhoff, S.J., 2008, Hydrochemical regions of the glacial aquifer system, northern United States, and their environmental and water-quality characteristics: U.S. Geological Survey Scientific Investigations Report 2008-5015, 84 p. Available Online
Brightbill, R.A., and Munn, M.D., 2008, Environmental and biological data of the nutrient enrichment effects on stream ecosystems project of the National Water Quality Assessment Program, 2003-04: U.S. Geological Survey Data Series 345, 12 p. Available Online
Capel, P.D., McCarthy, K.A., and Barbash, J.E., 2008, National, Holistic, Watershed-Scale Approach to Understand the Sources, Transport, and Fate of Agricultural Chemicals: Journal of Environmental Quality 2008 37, p. 983-993. doi: 10.2134/jeq2007.0226 Available Online
Carlisle, Daren M., Falcone, James, and Meador, Michael R. , 2008, Predicting the biological condition of streams: use of geospatial indicators of natural and anthropogenic characteristics of watersheds: Environmental Monitoring and Assessment, 0167-6369 (Print) 1573-2959 (Online) May 21, 2008, p. 143-160. doi: 10.1007/s10661-008-0256-z Available Online
Clark, B.R., Landon, M.K., Kauffman, L.J., and Hornberger, G.Z., 2008, Simulations of Ground-Water Flow, Transport, Age, and Particle Tracking near York, Nebraska, for a Study of Transport of Anthropogenic and Natural Contaminants (TANC) to Public-Supply Wells: U.S. Geological Survey Scientific Investigations Report 2007-5068, 47 p. 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 2008 (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 2008-37, 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
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 2008 (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 2008 (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, 7(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 2008 (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
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
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
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, v. 44, W04401, 17 p. doi: 10.1029/2007WR006252 Available Online
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