National Water-Quality Assessment (NAWQA) Program
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Showing results 276 to 301 of 607.
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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
Maupin, M.A., and Ivahnenko, T., 2011, Nutrient loadings to streams of the continental United States from municipal and industrial effluent: Journal of the American Water Resources Association, online 22Aug2011 in advance of print, 15 p. doi: 10.1111/j.1752-1688.2011.00576.x Available Online
Robertson, D.M., and Saad, D.A., 2001, Nutrient inputs to the Laurentian Great Lakes by source and watershed estimated using SPARROW watershed models: Journal of the American Water Resources Association, online 22Aug2011 in advance of print, 23 p. doi: 10.1111/j.1752-1688.2011.00574.x Available Online
Clark, Gregory M., Mueller, David K., and Mast M. Alisa, 2000, Nutrient concentrations and yields in undeveloped stream basins of the United States: Journal of the American Water Resources Association, vol. 36, no. 4, August 2000, p. 849-860. doi: 10.1111/j.1752-1688.2000.tb04311.x 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
Lopes, Thomas J., and Bender, David A., 1998, Nonpoint sources of volatile organic compounds in urban areas--Relative importance of land surfaces and air: Environmental Pollution, vol. 101 (1998), p. 221-230. doi: 10.1016/S0269-7491(98)00048-7Â Available Online
Puckett, Larry J., 1994, Nonpoint and point sources of nitrogen in major watersheds of the United States: U.S. Geological Survey Water-Resources Investigations Report 94-4001, 9 p. Available Online
Weeks, E.P., and McMahon, P.B., 2007, Nitrous oxide fluxes from cultivated areas and rangeland: U.S. High Plains: Vadose Zone Journal, vol. 6, p. 496-510. doi: 10.2136/vzj2006.0164 Available Online
Bonn, Bernadine A., Wentz, Dennis A., and Hinkle, Stephen R., 1996, Nitrogen in streams and ground water, 1980-90: U.S. Geological Survey Open-File Report 96-227, 4 p. Available Online
Burkart, M.R., and Stoner, J.D., 2001, Nitrogen in groundwater associated with agricultural systems : in Follett, R.F. and Hatfield, J.L., eds., Chapter 6 Nitrogen in the Environment: Elsevier, p. 123-145. 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, vol. 37, p. 1073-1085. doi: 10.2134/jeq2007.0010 Available Online
Puckett, Larry J., Tesoriero, Anthony J., and Dubrovsky, Neil M., 2010, Nitrogen contamination of surficial aquifers - - A growing legacy: Environmental Science and Technology, vol. 45, no. 3, p. 839-844. doi: 10.1021/es1038358 Available Online
Burow, K.R., Nolan, B.T., Rupert, M.G., and Dubrovsky, N.M., 2010, Nitrate in groundwater of the United States, 1991-2003: Environmental Science & Technology, vol. 44, no. 13, 10 p. doi: 10.1021/es100546y Available Online
Nolan, B.T., and Ruddy, B.C., 1996, Nitrate in ground waters of the United States--Assessing the risk: U.S. Geological Survey Fact Sheet 092-96, 4 p. Available Online
Hitt, K.J., and Nolan, B.T., 2005, Nitrate in ground water--using a model to simulate the probability of nitrate contamination of shallow ground water in the conterminous United States: U.S. Geological Survey Scientific Investigations Map 2881, 2 sheets. Available Online
Nolan, Bernard T., 1999, Nitrate behavior in ground waters of the southeastern USA: Journal of Environmental Quality, vol. 28, no. 5, Sept.-Oct. 1999, p. 1518-1527. Available Online
Munn, Mark D., and Hamilton, Pixie A., 2003, New studies initiated by the U.S. Geological Survey--Effects of nutrient enrichment on stream ecosystems: U.S. Geological Survey Fact Sheet 118-03, 4 p. Available Online
U.S. Geological Survey, 2004, New reports on our Nation's water quality: U.S. Geological Survey Fact Sheet 2004-3045, 2 p. Available Online
New England Interstate Water Pollution Control Commission (NEIWPCC), 2004, New England SPARROW water quality model: IWR (Interstate Water Report newsletter), vol. 1, no. 3, Summer 2004, p. 6-7.
Wong, Charles S., Capel, Paul D., and Nowell, Lisa H., 2001, National-scale, field-based evaluation of the biota--Sediment accumulation factor model: Environmental Science & Technology, vol. 35, no. 9, p. 1709-1715. doi: 10.1021/es0016452 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, vol. 37, p. 983-993. doi: 10.2134/jeq2007.0226 Available Online
Hamilton, P.A., 1992, National Water-Quality Assessment: Public outreach and involvement: U.S. Geological Survey Yearbook, Fiscal Year 1992, p.42-45.
Cohen, Philip, Alley, W.M., and Wilber, W.G., 1988, National water-quality assessment: Future directions of the U.S. Geological Survey: American Water Resources Association Water Resources Bulletin, vol 24, no 6, p. 1147-1151. doi: 10.1111/j.1752-1688.1988.tb03032.x Available Online
National Research Council, 1994, National Water-Quality Assessment Program: The challenge of national synthesis: National Academy Press, 1994, Washington, D.C., 51 p. Available Online
Delzer, G.C., and Hamilton, P.A., 2007, National Water-Quality Assessment Program-source Water-Quality Assessments: U.S. Geological Survey Fact Sheet 2007-3069, 2 p. Available Online
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