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 201 to 226 of 648.
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Peters, N.E., and Kandell, S.J., 1997, Evaluation of streamwater quality in the Atlanta region: in Hatcher, K.J., ed., U.S. Geological Survey reprints from proceedings of the 1997 Georgia Water Resources Conference, March 20-22, 1997, The University of Georgia, Athens, Georgia, p. 51-55.
Peters, Charles A., Robertson, D.M., Saad, D.A., Sullivan, D.J., Scudder B.C., Fitzgerald, F.A., Richards, K.D., Stewart, J.S., Fitzgerald, S.A., and Lenz, B.N., 1998, Water quality in the Western Lake Michigan drainages, Wisconsin and Michigan, 1992-95: U.S. Geological Survey Circular 1156, 40 p. Available Online
Peck, Michael F., and Garrett, Jerry W., 1994, Quality of surface and ground water in the White Creek and Mossy Creek watersheds, White County, Georgia, 1992-93: U.S. Geological Survey Open-File Report 94-540, 31 p. Available Online
Paybins, Katherine S., Messinger, Terence, Eychaner, James H., Chambers, Douglas B., and Kozar, Mark D., 2001, Water quality in the Kanawha-New River Basin, West Virginia, Virginia, and North Carolina, 1996-98: U.S. Geological Survey Circular 1204, 32 p. Available Online
Paul, Angela P., Seiler, Ralph L., Rowe, Timothy G., and Rosen, Michael R., 2007, Effects of Agriculture and Urbanization on Quality of Shallow Ground Water in the Arid to Semiarid Western United States, 1993-2004: U.S. Geological Survey Scientific Investigations Report 2007-5179, 56 p. Available Online
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
Parnell, James M., 2000, Shallow ground-water quality in the Platte River Valley alluvium, Nebraska, October-November 1997: U.S. Geological Survey Fact Sheet FS-151-00, 6 p. Available Online
Parkhurst, David L., Christenson, Scott C., and Schlottmann, Jamie L., 1994, Ground-water-quality assessment of the Central Oklahoma--Analysis of available water-quality data through 1987: U.S. Geological Survey Water-Supply Paper 2357-B, 74 p. Available Online
Parkhurst, D.L., Christenson, S.C., and Schlottmann, J.L., 1989, Ground-water quality assessment of the Central Oklahoma Aquifer, Oklahoma--Analysis of available water-quality data through 1987: U.S. Geological Survey Open-File Report 88-728, 80 p. Available Online
Parkhurst, D.L., Christenson, S.C., and Breit, G.N., 1992, Ground-water-quality assessment of the Central Oklahoma aquifer, Oklahoma: Geochemical and geohydrologic investigations: U.S. Geological Survey Open-File Report 92-642, 214 p. Available Online
Ott, Douglas S., 1998, Water-quality assessment of the Upper Snake River Basin, Idaho and Western Wyoming--Quality-control data, water years 1992-96: U.S. Geological Survey Open-File Report 98-179, 172 p. Available Online
Oaksford, Edward T., 1994, National Water-Quality Assessment Program--Preliminary results: Agricultural chemicals in the Suwannee River Basin, Georgia-Florida Coastal Plain Study Unit: U.S. Geological Survey Open-File Report 94-103, 2 p. Available Online
North Carolina Cooperative Extension Service, North Carolina State University College of Agriculture & Life Sciences, 1996, Technical Notes--Nutrients in ground water and surface water of the United States: NWQEP Notes: The NCSU Water Quality Group Newsletter, no. 76, March 1996, p. 1-6.
Nolan, Bernard T., Ruddy, Barbara C., Hitt, Kerie J., and Helsel, Dennis R., 1998, A National look at nitrate contamination of ground water: Water Conditioning & Purification, vol. 39, no. 12, January 1998, p. 76-79. Available Online
Nolan, Bernard T., Ruddy, Barbara C., Hitt, Kerie J., and Helsel, Dennis R., 1997, Risk of nitrate in ground waters of the United States-- A national perspective: Environmental Science and Technology, vol. 31, no. 8, p. 229-236. doi: 10.1021/es960818d Available Online
Nolan, Bernard T., Puckett, Larry J., Ma, Liwang, Green, Christopher T., Bayless, Randall, and Malone, Robert W., 2010, Predicting unsaturated zone nitrogen mass balances in agricultural settings of the United States: Journal of Environmental Quality, vol. 39, no. 3, p. 1051-1065. doi: 10.2134/jeq2009.0310 Available Online
Nolan, Bernard T., Hitt, Kerie J., and Ruddy, Barbara C., 2002, Probability of nitrate contamination of recently recharged groundwaters in the conterminous United States: Environmental Science & Technology, vol. 36, no. 10, p. 2138-2145. doi: 10.1021/es0113854 Available Online
Nolan, Bernard T., Baehr, Arthur L., and Kauffman, Leon J., 2003, Spatial variability of groundwater recharge and its effect on shallow groundwater quality in southern New Jersey: Vadose Zone Journal, vol. 2, p. 677-691. Available Online
Nolan, Bernard T., and Stoner, Jeffrey D., 2000, Nutrients in groundwaters of the conterminous United States, 1992-1995: Environmental Science and Technology, vol. 34, no. 7, p. 1156-1165. doi: 10.1021/es9907663 Available Online
Nolan, Bernard T., and Hitt, Kerie J., 2003, Nutrients in shallow ground waters beneath relatively undeveloped areas in the conterminous United States: U.S. Geological Survey Water-Resources Investigations Report 02-4289, 17 p. Available Online
Nolan, Bernard T., and Hitt, Kerie J., 2006, Vulnerability of shallow groundwater and drinking-water wells to nitrate in the United States: Environmental Science and Technology, vol. 40, no. 24, p. 7834-7840. doi: 10.1021/es060911u Available Online
Nolan, Bernard T., 1998, Modeling approaches for assessing the risk of nonpoint- source contamination of ground water: U.S. Geological Survey Open-File Report 98-531, 15 p. Available Online
Nolan, Bernard T., 2001, Relating nitrogen sources and aquifer susceptibility to nitrate in shallow ground waters of the United States: Ground Water, vol. 39, no. 2, p. 290-299. 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
Nolan, B.T., Malone, RW., Gronberg, J.A., Thorp, K.R., and Ma, L., 2011, Verifiable metamodels for nitrate losses to drains and groundwater in the Corn Belt, USA: Environmental Science and Technology, online in advance of print, 8 p. doi: 10.1021/es202875e Available Online
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