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 501 to 526 of 649.
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Rosen, Michael R., 2003, Trends in nitrate and dissolved-solids concentrations in ground water, Carson Valley, Douglas County, Nevada, 1985-2001: U.S. Geological Survey Water-Resources Investigations Report 03-4152, 6 p. 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
Rowe, Jr., G.L., Reutter, D.C., Runkle, D.L., Hambrook, J.A., Janosy, S.D., and Hwang, L.H., 2004, Water quality in the Great and Little Miami River Basins, Ohio and Indiana, 1999-2001: U.S. Geological Survey Circular 1229, 40 p. Available Online
Ruddy, B.C., Lorenz, D.L., and Mueller, D.K., 2006, County-level estimates of nutrient inputs to the land surface of the conterminous United States, 1982-2001: U.S. Geological Survey, Scientific Investigations Report 2006-5012, 17 p. Available Online
Ruetter, David C., 1996, National water-quality assessment of the Trinity River Basin, Texas--Well and water-quality data from the outcrop of Woodbine aquifer in urban Tarrant County, 1993: U.S. Geological Survey Open-File Report 96-413, 32 p. Available Online
Ruetter, David C., and Dunn, David D., 2000, Water-quality assessment of the Trinity River Basin, Texas--Ground-water quality of the Trinity, Carrizo-Wilcox, and Gulf Coast Aquifers, February-August 1994: U.S. Geological Survey Water-Resources Investigations Report 99-4233, 56 p. Available Online
Ruhl, James F., Fong, Alison L., Hanson, Paul E., and Andrews, William J., 2000, Water-quality assessment of part of the Upper Mississippi River Basin, Minnesota and Wisconsin--Ground-water quality in an agricultural area of Sherburne County, Minnesota, 1998: U.S. Geological Survey Water-Resources Investigations Report 00-4107, 33 p. Available Online
Ruhl, Peter M., 1994, Surface-water-quality assessment of the upper Illinois River Basin in Illinois, Indiana, and Wisconsin: Analysis of relations between fish-community structure and environmental conditions in the Fox, Des Plaines, and Du Page River Basins in Illinois, 1982-84: U.S. Geological Survey Water-Resources Investigations Report 94-4094, 50 p. Available Online
Runner, M.S., Turnipseed, D.P., and Coupe, R.H., 2002, Streamflow and nitrogen data for the Yazoo River below Steele Bayou near Long Lake, Mississippi, 1996-2000: U.S. Geological Survey Water-Resources Investigations Report 02-4215, 35 p. Available Online
Rupert, Michael G., 1996, Nitrate (NO2+NO3-N) in ground water of the Upper Snake River Basin, Idaho and Western Wyoming, 1991-95: U.S. Geological Survey Water-Resources Investigations Report 97-4174, 47 p. Available Online
Rupert, Michael G., 1999, Improvements to the DRASTIC ground-water vulnerability mapping method: U.S. Geological Survey Fact Sheet 066-99, 6 p. Available Online
Rupert, Michael G., 1996, Major sources of nitrogen input and loss in the Upper Snake River Basin, Idaho and Western Wyoming, 1990: U.S. Geological Survey Water-Resources Investigations Report 96-4008, 15 p. 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
Rupert, Michael G., 1994, Analysis of data on nutrients and organic compounds in ground water in the Upper Snake River Basin, Idaho and western Wyoming, 1980-91: U.S. Geological Survey Water-Resources Investigations Report 94-4135, 40 p. Available Online
Rupert, Michael G., Stone, M.A.J., and Ott, D.S., 1996, National Water-Quality Assessment Program--Nitrate and pesticides in ground water: Blaine, Cassia, Lincoln, and Minidoka counties, south-central Idaho: U.S. Geological Survey Fact Sheet 246-95, 4 p. Available Online
Ryker, Sarah J., and Jones, Joseph L., 1995, Nitrate concentrations in ground water of the Central Columbia Plateau: U.S. Geological Survey Open File Report 95-445, 4 p. Available Online
Saad, D.A., Schwarz, G.E., Robertson, D.M., and Booth, N.L., 2011, A multi-agency nutrient dataset used to estimate loads, improve monitoring design, and calibrate regional nutrient SPARROW models: Journal of the American Water Resources Association, online 22Aug2011 in advance of print, 17 p. doi: 10.1111/j.1752-1688.2011.00575.x Available Online
Saad, David A., 1997, Effects of land use and geohydrology on the quality of shallow ground water in two agricultural areas in the Western Lake Michigan Drainages, Wisconsin: U.S. Geological Survey Water-Resources Investigations Report 96-4292, 69 p. Available Online
Saad, David A., 1996, Ground-water quality in the western part of the Cambrian-Ordovician aquifer in the Western Lake Michigan Drainages, Wisconsin and Michigan: U.S. Geological Survey Water-Resources Investigations Report 96-4231, 40 p. 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
Saad, David A., 1995, Nitrate in ground water in the Western Lake Michigan Drainage Basin, Wisconsin and Michigan: U.S. Geological Survey Fact Sheet 070-94, 2 p. Available Online
Saad, David A., and Thorstenson Donald C., 1998, Flow and geochemistry along shallow ground-water flowpaths in an agricultural area in southeastern Wisconsin: U.S. Geological Survey Water-Resources Investigations Report 98-4179, 62 p. Available Online
Sadorf, Eric M., and Linhart, S. Michael, 2000, Ground-water quality in alluvial aquifers in the Eastern Iowa Basins, Iowa and Minnesota: U.S. Geological Survey Water-Resources Investigations Report 00-4106, 46 p. Available Online
Sauer, T.J., Alexander, R.B., Brahana, J.V., and Smith, R.A., 2001, The importance and role of watersheds in the transport of nitrogen: in Follett, R.F. and Hatfield, J.L., eds., Chapter 7 Nitrogen in the Environment: Elsevier, p. 147-181. Available Online
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