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 426 to 451 of 648.
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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
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
Anning, David W., 2011, Modeled sources, transport, and accumulation of dissolved solids in water resources of the Southwestern United States: Journal of the American Water Resources Association, online 22Aug2011 in advance of print, 23 p. doi: 10.1111/j.1752-1688.2011.00579.x Available Online
Green, C.T., Bohlke, J.K., Bekins, B.A., and Phillips, S.P., 2010, Mixing effects on apparent reaction rates and isotope fractionation during denitrification in a heterogeneous aquifer: Water Resources Research, vol. 46, W08525, 19 p. doi: 10.1029/2009WR008903 Available Online
Goolsby, D.A., 2000, Mississippi Basin nitrogen flux believed to cause Gulf hypoxia: EOS Transactions, American Geophysical Union, vol. 81, no. 29, p. 321 & 326-327.
Lindsey, B.D., and Rupert, M.G., 2012, Methods for evaluating temporal groundwater quality data and results of decadal-scale changes in chloride, dissolved solids, and nitrate concentrations in groundwater in the United States, 1988-2010: U.S. Geological Survey Scientific Investigations Report 2012-5049, 46 p. Available Online
McMahon, Gerard, Tervelt, Larinda, and Donehoo, William, 2007, Methods for Estimating Annual Wastewater Nutrient Loads in the Southeastern United States: U.S. Geological Survey Open-File Report 2007-1040, 81 p. Available Online
Gilliom, Robert J., Mueller, David K., and Nowell, Lisa H., 1998, Methods for comparing water-quality conditions among National Water-Quality Assessment Study Units, 1992-1995: U.S. Geological Survey Open-File Report 97-589, 54 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
Baker, N.T., Wilson, J.T., and Moran, M.J., 2008, Methods and sources of data used to develop selected water-quality indicators for streams and ground water for EPA's 2007 Report on the Environment: U.S. Geological Survey Open-File Report 2008-1096, 23 p. Available Online
Tesoriero, Anthony J., Liebscher, Hugh, and Cox, Stephen E., 2000, Mechanism and rate of denitrification in an agricultural watershed: Electron and mass balance along groundwater flow paths: Water Resources Research, vol. 36, no. 6, p. 1545-1559. 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
Wynn, Kirby H., and Spahr, Norman E., 1998, Low-flow water-quality characterization of the Gore Creek watershed, Upper Colorado River Basin, Colorado, August 1996: U.S. Geological Survey Fact Sheet FS-160-97, 4 p. Available Online
Mueller, David K., Ruddy, Barbara C., and Battaglin, William A., 1997, Logistic model of nitrate in streams of the upper-midwestern United States: Journal of Environmental Quality, vol. 26, no.5, p. 1223-1230. Available Online
Hinkle, S.R., Duff, J.H., Triska, F.J., Laenen, A., Gates, E.B., Bencala, K.E., Wentz, D.A., and Silva, S.R., 2001, Linking hyporheic flow and nitrogen cycling near the Willamette River-- A large river in, Oregon, USA: Journal of Hydrology, vol. 244, p. 157-180. doi: 10.1016/S0022-1694(01)00335-3 Available Online
Tesoriero, Anthony J., Saad, David A., Burow, Karen R., Frick, Elizabeth A., Puckett, Larry J., and Barbash, Jack E., 2007, Linking ground-water age and chemistry data along flow paths: Implications for trends and transformations of nitrate and pesticides: Journal of Contaminant Hydrology, vol. 94, p. 139-155. doi: 10.1016/j.jconhyd.2007.05.007 Available Online
Bauch, Nancy J., and Malick, Matt, 2003, Limnology of Blue Mesa, Morrow Point, and Crystal Reservoirs, Curecanti National Recreation Area, during 1999, and a 25-year retrospective of nutrient conditions in Blue Mesa Reservoir, Colorado: U.S. Geological Survey Water-Resources Investigations Report 02-4199, 101 p. 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, vol. 37, p. 994-1009. doi: 10.2134/jeq2006.0419 Available Online
Gurdak, J.J., McCray, J.E., Thyne, G.D., and Qi, S.L., 2007, Latin hypercube approach to estimate uncertainty in ground water vulnerability: Ground Water, vol. 45, p. 348-361. doi: 10.1111/j.1745-6584.2006.00298.x Available Online
Woodside, M.D., 1994, Land use in and water quality of the Pea Hill arm of Lake Gaston, Virginia and North Carolina, 1988-90: U.S. Geological Survey Water-Resources Investigations Report 94-4140, 54 p. Available Online
Woodside, Michael D., and Simeri, Benjamin R., 1995, Land use and nutrient concentrations and yields in selected streams in the Albemarle-Pamlico Drainage Basin, North Carolina and Virginia: U.S. Geological Survey Open-File Report 95-457, 4 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
Spahr, Norman E., and Boulger, Robert W., 1997, Interim results of quality- control sampling of surface water for the Upper Colorado River National Water-Quality study unit, water years 1995-96: U.S. Geological Survey Water-Resources Investigations Report 97-4227, 34 p. Available Online
Brown, Larry R., Kratzer, Charles R., and Dubrovsky, Neil M., 2000, Integrating chemical, water quality, habitat, and fish assemblage data from the San Joaquin River drainage, California: Integrated Assessment of Ecosystem Health, Chapter 3 (conference proceedings) CRC Press LLC, p. 25-62.
Harris, Sandra L., 1997, Inorganic and organic constituents and grain-size distribution in streambed sediment and ancillary data for the Connecticut, Housatonic, and Thames River Basins Study Unit, 1992-94: U.S. Geological Survey Open-File Report 96-397, 39 p. Available Online
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