National Water-Quality Assessment (NAWQA) Program
More Information about Nutrients
Nutrients National Synthesis
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Effects of Nutrient Enrichment on Stream Ecosystems |
Sources, Transport, and Fate of Agricultural Chemicals
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Showing results 551 to 576 of 648.
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Paschke, Suzanne S., Schaffrath, Keelin R., and Mashburn, Shana L., 2008, Near-Decadal Changes in Nitrate and Pesticide Concentrations in the South Platte River Alluvial Aquifer, 1993-2004: Journal of Environmental Quality, vol. 37, no. 5, p. S281-S295. doi: 10.2134/jeq2007.0656 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
Rosen, Michael R., Voss, Frank D., and Arufec, Jorge A., 2008, Evaluation of Intra-annual Variation in U.S. Geological Survey National Water Quality Assessment Ground Water Quality Data: Journal of Environmental Quality, vol. 37, no. 5, p. S199-S208. doi: 10.2134/jeq2007.0055 Available Online
Rupert, Michael G., 2008, Decadal-Scale Changes of Nitrate in Ground Water of the United States, 1988-2004: Journal of Environmental Quality, vol. 37, no. 5, p. S240-S248. doi: 10.2134/jeq2007.0055 Available Online
Saad, David A., 2008, Agriculture-Related Trends in Groundwater Quality of the Glacial Deposits Aquifer, Central Wisconsin: Journal of Environmental Quality, vol. 37, p 209-225. doi: 10.2134/jeq2007.0053 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
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
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
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
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
Caskey, B.J., and Frey, J.W., 2009, Biological-community composition in small streams and its relations to habitat, nutrients, and land use in agriculturally dominated landscapes in Indiana and Ohio, 2004, and implications for assessing nutrient conditions in Midwest streams: U.S. Geological Survey Scientific Investigations Report 2009-5055, 21 p. Available Online
Crandall, C.A., Kauffman, L.J., Katz, B.G., Metz, P.A., McBride, W.S., and Berndt, M.P., 2009, Simulations of groundwater flow and particle tracking analysis in the area contributing recharge to a public-supply well near Tampa, Florida, 2002-05: U.S. Geological Survey Scientific Investigations Report 2008-5231, 53 p. Available Online
Denver, J.M., Tesoriero, A.J., and Barbaro, J.R., 2009, Trends and transformation of nutrients and pesticides in a Coastal Plain Aquifer System, United States: Journal of Environmental Quality 2009 39, p. 154-167. doi: 10.2134/jeq2009.0107 Available Online
DeSimone, Leslie A., 2009, Quality of water from domestic wells in principal aquifers of the United States, 1991-2004: U.S. Geological Survey Scientific Investigations Report 2008-5227, 127 p. Available Online
Frankforter, Jill D., Weyers, Holly S., Bales, Jerad D., Moran, Patrick W., and Calhoun, Daniel L., 2009, The relative influence of nutrients and habitat on stream metabolism in agricultural streams: Environmental Monitoring and Assessment, August 15, 2009, 19 p. doi: 10.1007/s10661-009-1127-y 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
Harned, D.A., Staub, E.L., Peak, K.L., Tighe, K.M., and Terziotti, Silvia, 2009, Trends in water quality in the Southeastern United States, 1973-2005: U.S. Geological Survey Scientific Investigations Report 2009-5268, 25 p. Available Online
Hoos, A.B., and McMahon, Gerard, 2009, Spatial analysis of instream nitrogen loads and factors controlling nitrogen delivery to streams in the southeastern United States using spatially referenced regression on watershed attributes (SPARROW) and regional classification frameworks: Hydrological Processes, vol. 23, no. 16, p. 2275-2294. doi: 10.1002/hyp.7323 Available Online
Jagucki, M.L., Katz, B.G., Crandall, C.A., and Eberts, S.M., 2009, Assessing the vulnerability of public-supply wells to contamination - Floridan aquifer system near Tampa, Florida: U.S. Geological Survey Fact Sheet 2009-3062, 6 p. Available Online
Jagucki, Martha L., Jurgens, Bryant C., Burow, Karen R., and Eberts, Sandra M., 2009, Assessing the vulnerability of public-supply wells to contamination - Central Valley aquifer system near Modesto, California: U.S. Geological Survey Fact Sheet 2009-3036, 6 p. Available Online
Johnson, M.R., Clark, J.M., Dickinson, R.G. Sanocki, C.A., and Tranmer A.W., 2009, Riparian land use/land cover data for three study units in group II of the nutrient enrichment effects topical study of the National Water-Quality Assessment Program: U.S. Geological Survey Data Series 2009-483, 6 p. Available Online
Lindsey, B.D., Berndt, M.P., Katz, B.G., Ardis, A.F., and Skach, K.A., 2009, Factors affecting water quality in selected carbonate aquifers in the United States, 1993-2005: U.S. Geological Survey Scientific Investigations Report 2008-5240, 117 p. Available Online
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