National Water-Quality Assessment (NAWQA) Program
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Showing results 1551 to 1576 of 2001.
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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
Saleh, D.K., Kratzer, C.R., Green, C.H., and Evans, D.G., 2009, Using the Soil and Water Assessment Tool (SWAT) to simulate runoff in Mustang Creek Basin, California: U.S. Geological Survey Scientific Investigations Report 2009-5031, 28 p. Available Online
Sams III, James I., and Beer, Kevin M., 2000, Effects of coal-mine drainage on stream water quality in the Allegheny and Monongahela Basins, sulfate transport and trends: U.S. Geological Survey Water-Resources Investigations Report 99-4208, 17 p. Available Online
Sandstrom, M.W., Wydoski, D.S., Schroeder, M.P., Zamboni, J.L., and Foreman, W.T., 1992, Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory--Determination of organonitrogen herbicides in water by solid-phase extraction and capillary-column gas chromatography/ mass spectrometry with selected-ion monitoring: U.S. Geological Survey Open-File Report 91-519, 34 p. Available Online
Sandstrom, Mark W., 1995, Filtration of water-sediment samples for the determination of organic compounds: U.S. Geological Survey Water-Resources Investigations Report 95-4105, 13 p. Available Online
Sandstrom, Mark W., Stroppel, Max E., Foreman, William T., and Schroeder, Michael P., 2001, Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory - determination of moderate-use pesticides and selected degradates in water by C-18 solid-phase extraction and gas chromatography/mass spectrometry : U.S. Geological Survey Water-Resources Investigations Report 2001-4098, 70 p. Available Online
Sargent, B. Pierre, Maupin, Molly A., and Hinkle, Stephen R., 2008, Estimated Withdrawals from Stream-Valley Aquifers and Refined Estimated Withdrawals from Selected Aquifers in the United States, 2000: USGS Scientific Investigations Report 2008-5003, 71 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
Savoca, Mark E., Sadorf, Eric M., and Akers, Kymm K., 1999, Ground-water quality in the eastern part of the Silurian-Devonian and Upper Carbonate aquifers in the Eastern Iowa Basins, Iowa and Minnesota, 1996: U.S. Geological Survey Water-Resources Investigations Report 98-4224, 31 p. Available Online
Savoca, Mark E., Sadorf, Eric M., Linhart, S. Mike, and Akers, Kymm K.B., 2000, Effects of land use and hydrogeology on the water quality of alluvial aquifers in eastern Iowa and southern Minnesota, 1997: U.S. Geological Survey Water-Resources Investigations Report 99-4246, 38 p. Available Online
Savoca, Mark E., Tobias, Jennifer, L., Sadorf, Eric M., and Birkenholtz, Trevor L., 1997, Herbicides and nitrates in the Iowa River alluvial aquifer prior to changing land use, Iowa County, Iowa, 1996: U.S. Geological Survey Fact Sheet FS-085-97, 4 p. Available Online
Scanlon, B.R., Reedy, R.C., Stonestrom, D.A., Prudic, D.E., and Dennehy, K.F., 2005, Impact of land use and land cover change on groundwater recharge and quality in the southwestern US: Global Change Biology, vol. 11, p. 1577-1593. doi: 10.1111/j.1365-2486.2005.01026.x Available Online
Schaefer, D.H., Green,J.M., and Rosen, M.R., 2007, Hydrogeologic Settings and Ground-Water Flow Simulations of the Eagle Valley and Spanish Springs Valley Regional Study Areas, Nevada, Section 3 in Paschke, Suzanne S., ed., 2007, Hydrogeologic settings and ground-water flow simulations for regional studies of the transport of anthropogenic and natural contaminants to public-supply wells--studies begun in 2001: U.S. Geological Survey Professional Paper 1737-A, p. 3-1 to 3-31. Available Online
Schaefer, D.H., Thiros, S.A., Rosen, M.R., 2006, Ground-water quality in the carbonate-rock aquifer of the Great Basin, Nevada and Utah, 2003: U.S. Geological Survey Scientific Investigations Report 2005-5232, 32 p. Available Online
Schapp, Bryan D., and Zogorski, John S., 2006, Occurrence of trihalomethanes in the Nation's ground water and drinking-water supply wells, 1985-2002: U.S. Geological Survey Scientific Investigations Report 2006-5068, 64 p. Available Online
Schelker, J., Burns, D.A., Weiler, M., and Laudon, H., 2011, Hydrological mobilization of mercury and dissolved organic carbon in a snow-dominated, forested watershed: Conceptualization and modeling : Journal of Geophysical Research, vol. 116, G01002, 17 p. doi:10.1029/2010JG001330 Available Online
Schlottmann, J.L., and Funkhouser, R.A., 1991, Chemical analyses of water samples and geophysical logs from cored test holes drilled in the Central Oklahoma aquifer, Oklahoma: U.S. Geological Survey Open-File Report 91- 464, 58 p. Available Online
Schmidt, Arthur R., and Blanchard, Stephen F., 1997, Surface-water-quality assessment of the Upper Illinois River Basin in Illinois, Indiana, and Wisconsin--Results of investigations through April 1992: U.S. Geological Survey Water-Resources Investigations Report 96-4223, 63 p. Available Online
Schnoebelen, D.J., Kalkhoff, S.J., Becher, K.D., and Thurman, E.M., 2003, Water-quality assessment of the Eastern Iowa Basins: Selected pesticides and pesticide degradates in streams, 1996-98: U.S. Geological Survey Water-Resources Investigations Report 03-4075, 62 p. Available Online
Schnoebelen, Douglas J., Becher, Kent D., Bobier, Matthew W., and Wilton, Thomas, 1999, Selected nutrients and pesticides in streams of the Eastern Iowa Basins, 1970-95: U.S. Geological Survey Water-Resources Investigations Report 99-4028, 65 p. Available Online
Schnoebelen, Douglas J., Fenelon, Joseph M., Baker, Nancy T., Martin, Jeffrey D., Bayless, E. Randall, Jacques, David V., and Crawford, Charles G., 1999, Environmental setting and natural factors and human influences affecting water quality in the White River Basin, Indiana: U.S. Geological Survey Water-Resources Investigations Report 97-4260, 66 p. Available Online
Schwarz, G.E., Alexander, R.B., Smith, R.A., and Preston, S.D., 2011, The regionalization of national-scale SPARROW models for stream nutrients: Journal of the American Water Resources Association, online 22Aug2011 in advance of print, 22 p. doi: 10.1111/j.1752-1688.2011.00581.x Available Online
Scott, J.C., 1991, Computer software for converting ground-water and water-quality data from the National Water Information System for use in a geographic information system: U.S. Geological Survey Water-Resources Investigations Report 90-4200, 55 p. Available Online
Scott, J.C., 1990, Computerized stratified random site-selection approaches for design of a ground-water-quality sampling network: U.S. Geological Survey Water-Resources Investigations Report 90-4101, 109 p. Available Online
Scott, J.C., 1989, A computerized data-base system for land-use and land-cover data collected at ground-water sampling sites in the pilot National water-quality Assessment Program: U.S. Geological Survey Water-Resources Investigations Report 89-4172, 139 p. Available Online
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