National Water-Quality Assessment (NAWQA) Program
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Showing results 1726 to 1751 of 2000.
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Burow, Karen R., Stork, Sylvia V.,and Dubrovsky, Neil M., 1998, Nitrate and pesticides in ground water in the Eastern San Joaquin Valley, California: Occurrence and trends: U.S. Geological Survey Water-Resources Investigations Report 98-4040, 33 p. Available Online
Burow, Karen R., Shelton, Jennifer L., and Dubrovsky, Neil.M., 2008, Regional nitrate and pesticide trends in ground water in the Eastern San Joaquin Valley, California: Journal of Environmental Quality 2008 37, p. S249-S263. doi: 10.2134/jeq2007.0061 Available Online
Burow, Karen R., Shelton, Jennifer L., and Dubrovsky, Neil.M., 1998, Occurrence of nitrate and pesticides in ground water beneath three agricultural land- use settings in the eastern San Joaquin Valley, California, 1993-1995: U.S. Geological Survey Water-Resources Investigations Report 97-4284, 51 p. Available Online
Burow, Karen R., Panshin, Sandra Y., Dubrovsky, Neil.M., Vanbrocklin, David, and Fogg, Graham E., 1999, Evaluation of processes affecting 1,2-dibromo-3- chloropropane (DBCP) concentrations in ground water in the eastern San Joaquin Valley, California: Analysis of chemical data and ground-water flow and transport simulations: U.S. Geological Survey Water-Resources Investigations Report 99-4059, 57 p. Available Online
Burow, Karen R., Jurgens, Bryant C., Kauffman, Leon J., Phillips, Steven P., Dalgish, Barbara A., and Shelton, Jennifer L., 2008, Simulations of ground-water flow and particle pathline analysis in the zone of contribution of a public-supply well in Modesto, Eastern San Joaquin Valley, California: U.S. Geological Survey Scientific Investigations Report 2008-5035, 41 p. Available Online
Burow, K.R., Weissmann, G.S., Miller, R.D., and Placzek, G., 1997, Hydrogeologic facies characterization of an alluvial fan near Fresno, California, using geophysical techniques: U.S. Geological Survey Open-File Report 97-46, 15 p. Available Online
Burow, K.R., Shelton, J.L., Hevesi, J.A., and Weissmann, G.S., 2004, Hydrogeologic characterization of the Modesto Area, San Joaquin Valley, California: U.S. Geological Survey Scientific Investigations Report 2004-5232, 54 p. 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
Burow, K.R., Dubrovsky, N.M., and Shelton, J. L., 2007, Temporal trends in concentrations of DBCP and nitrate in groundwater in the eastern San Joaquin Valley, California, USA: Hydrogeology Journal (2007), v. 15, p. 991-1007. doi: 10.1007/s10040-006-0148-7 Available Online
Burow, K.R., and Green, C.T., 2008, Spatial and temporal trends in nitrate concentration in the Eastern San Joaquin Valley Regional Aquifer and implications for nitrogen fertilizer management: California Plant and Soil Conference: Conservation of Agricultural Resources, February 5 & 6, 2008, Visalia, California, p. 47-52. Available Online
Burns, D.A., Riva-Murray K., Bradley, P.M., Aiken,G.R., and Brigham, M.E., 2012, Landscape controls on total and methyl Hg in the upper Hudson River basin, New York, USA: Journal of Geophysical Research, vol. 117, G01034, 15 p. 10.1029/2011JG001812 Available Online
Burns, D.A., Aiken, G.R., Bradley, P.M., Journey, C.A., and Schelker, J., 2012, Specific ultra-violet absorbance as an indicator of mercury sources in an Adirondack River basin: Online First section of Biogeochemistry, 16 p. doi: 10.1007/s10533-012-9773-5 Available Online
Burns, D., and Murray, K., 2008, On the trail of mercury in the Upper Hudson River watershed: Spruce Moose, Fall 2008, p. 9-11. Available Online
Burkart, M.R., Kolpin, D.W., Jaquis, R.J., and Cole, K.J., 1999, Agrichemicals in ground water of the midwestern USA: Journal of Environmental Quality, vol. 28, no. 6, p. 1908-1915. Available Online
Burkart, M.R., Kolpin, D.W., and James, D.E., 1999, Assessing groundwater vulnerability to agrichemical contamination in the Midwest US: Water Science & Technology, vol. 39, no. 3, p. 103-112. 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
Burkart, M., Kolpin, D.W., Jaquis, R., and Cole, K, 2001, Soil characteristics and agrichemicals in groundwater of the Midwestern United States: Water Science and Technology, vol. 43, no. 9, p. 251-260. Available Online
Buell, G.R., 1997, Transport of trace elements and semi-volatile organic compounds in fluvial sediments of the lower Flint River (Georgia) and Apalachicola River (Georgia, Florida, Alabama) basins during Tropical Storm Alberto, July 1994: 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. 24-32.
Bryson, Jeannie R., Wates, Michelle L., and Kleiss, Barbara A., 2001, Concentrations of organic compounds in bed sediment in the Mississippi Embayment Study Unit: Proceedings of the 31st Mississippi Water Resources Conference, April 10-11, 2001 Raymond, MS, p. 2-8.
Bryant, W.L., Goodbred, S.L., Leiker, T.L., Inouye, Laura, and Johnson , B.T., 2007, Use of Chemical Analysis and Assays of Semipermeable Membrane Devices Extracts to Assess the Response of Bioavailable Organic Pollutants in Streams to Urbanization in Six Metropolitan Areas of the United States: U.S. Geological Survey Scientific Investigations Report 2007-5113, 46 p. Available Online
Bryant, W.L., and Carlisle, D.M., 2012, The relative importance of physicochemical factors to stream biological condition in urbanizing basins: evidence from multimodel inference: Freshwater Science, vol. 31, no. 1, p. 154-166 doi: 10.1899/10-131.1 Available Online
Bryant, Jr., Wade L., and Goodbred, Steven L., 2008, The response of hydrophobic organics and potential toxicity in streams to urbanization of watersheds in six metropolitan areas of the United States: Environmental Monitoring and Assessment, 29 p. doi: 10.1007/s10661-008-0546-5 Available Online
Brumbaugh, W.G., Krabbenhoft, D.P., Helsel, D.R., Wiener, J.G., and Echols, K.R., 2001, A national pilot study of mercury contamination of aquatic ecosystems along multiple gradients-bioaccumulation in fish: U.S. Geological Survey USGS/BRD/BSR 2001-0009, 32 p. Available Online
Bruce, Breton, W., and Oelsner, Gretchen P., 2001, Contrasting water quality from paired domestic/public supply wells, Central High Plains: Journal of the American Water Resources Association, vol. 37, no. 5, p. 1389-1403. doi: 10.1111/j.1752-1688.2001.tb03647.x Available Online
Bruce, Breton W., and McMahon, Peter B., 1998, Shallow ground-water quality of selected land-use/aquifer settings in the South Platte River Basin, Colorado and Nebraska, 1993-95: U.S. Geological Survey Water-Resources Investigations Report 97-4229, 48 p. Available Online
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