National Water-Quality Assessment (NAWQA) Program
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Showing results 1701 to 1726 of 2003.
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Stell, Susan M., Hopkins, Evelyn H., Buell, Gary R., and Hippe, Daniel J., 1995, Use and occurrence of pesticides in the Apalachicola-Chattahoochee-Flint River Basin, Georgia, Alabama, and Florida, 1960-91: U.S. Geological Survey Open-File Report 95-739, 65 p. Available Online
Stephens, Verlin C., and Deacon, Jeffrey R., 1998, Distribution and concentrations of selected organochlorine pesticides and PCB's in streambed sediment and whole-body fish in the Upper Colorado River Basin, 1995-96: U.S. Geological Survey Fact Sheet FS-167-97, 6 p. Available Online
Stets, E.G., Kelly, V.J., Broussad, W.P., III, Smith, T.E., and Crawford, C.G., 2012, Century-scale perspective on water quality in selected river basins of the conterminous United States: U.S. Geological Survey Scientific Investigations Report 2012-5225, 108 p. Available Online
Steuer, J.J., 2010, A generalized watershed disturbance-invertebrate relation applicable in a range of environmental settings across the continental United States: Urban Ecosystems, 10 p. doi: 10.1007/s11252-010-0131-x Available Online
Steuer, J.J. Stensvold, K.A., and Gregory, M.B., 2010, Determination of biologically significant hydrologic condition metrics in urbanizing watersheds: an empirical analysis over a range of environmental settings: Hydrobiologia, vol. 654, no. 1, 34 p., online only. doi: 10.1007/s10750-010-0362-0 Available Online
Steuer, J.J., Bales, J.D., and Giddings, E.M.P., 2009, Relationship of stream ecological conditions to simulated hydraulic metrics across a gradient of basin urbanization: Journal North American Benthological Society, vol. 28, no. 4, p. 955-976. doi: 10.1899/08-157.1 Available Online
Stewart, J.S., 1995, Stratification of landsat thematic mapper data, based on regional landscape patterns, to improve land-cover classification accuracy of large study areas: American Congress on Surveying and Mapping and the American Society for Photogrammetry and Remote Sensing Proceedings, p. 826-835.
Stewart, Jana S., 1998, Combining satellite data with ancillary data to produce a refined land-use/land-cover map: U.S. Geological Survey Water-Resources Investigations Report 97-4203, 11 p. Available Online
Stewart, Jana S., 1994, Assessment of alternative methods for stratifying landsat TM data to improve land cover classification accuracy across areas with physiographic variation: University of Wisconsin-Madison, Master of Science thesis, 159 p.
Stogner, Robert W., Sr., 2001, Nitrate concentrations, 1936-99, and pesticide concentrations, 1990-99, in the unconfined aquifer in the San Luis Valley, Colorado: U.S. Geological Survey Water-Resources Investigations Report 01-4131, 12 p. Available Online
Stolp, B.J. , 2007, Hydrogeologic Setting and Ground-Water Flow Simulations of the Salt Lake Valley Regional Study Area, Utah, Section 2 in Paschke, S.S., ed., 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. 2-1 to 2-22. Available Online
Stone, W.W., 2013, Estimated annual agricultural pesticide use for counties of the conterminous United States, 1992-2009: U.S. Geological Survey Data Series 752, 1 p. Available Online
Stone, W.W., and Gilliom, R.J., 2012, Watershed Regressions for Pesticides (WARP) models for predicting atrazine concentrations in corn belt streams: Journal of the American Water Resources Association, vol. 48, no. 5, p. 970-986. doi: 10.1111/j.1752-1688.2012.00661.x Available Online
Stone, W.W., and Gilliom, R.J., 2009, Update of watershed regressions for pesticides (WARP) for predicting atrazine concentration in streams: U.S. Geological Survey Open-File Report 2009-1122, 22 p. Available Online
Stone, W.W., and Wilson, J.T., 2006, Preferential flow estimates to an agricultural tile drain with implications for glyphosate transport: Journal of Environmental Quality, vol. 35, no. 5, p. 1825-1835. doi:10.2134/jeq2006.0068 Available Online
Stone, W.W., Gilliom, R.J., and Crawford, C.G., 2008, Watershed Regressions for Pesticides (WARP) for predicting annual maximum and maximum moving-average concentrations of atrazine in streams: U.S. Geological Survey Open-File Report 2008-1186, 19 p. Available Online
Stone, Wesley W., and Gilliom, Robert J., 2011, Watershed regressions for pesticides (WARP) for predicting atrazine concentration in Corn Belt streams: U.S. Geological Survey Open-File Report 2011-1141, 18 p. Available Online
Stoner, J.D., 1991, National Water-Quality Assessment Program--Red River of the North: U.S. Geological Survey Open-File Report 91-151, 2 p. Available Online
Stoner, J.D., and Lorenz, D.L., 1995, National Water-Quality Assessment Program: Data Collection in the Red River of the North Basin, Minnesota, North Dakota, and South Dakota, 1992-95: U.S. Geological Survey Fact Sheet 172-95, 4 p. Available Online
Stoner, J.D., Cowdery, T.K., and Puckett, L.J., 1997, Ground-water age dating and other tools used to assess land-use effects on water quality: U.S. Geological Survey Water-Resources Investigations Report 97-4150, 6 p. Available Online
Stoner, J.D., Lorenz, D.L., Goldstein, R.M., Brigham, M.E., and Cowdery, T.K., 1998, Water quality in the Red River of the North Basin, Minnesota, North Dakota, and South Dakota, 1992-95: U.S. Geological Survey Circular 1169, 33 p. Available Online
Stoner, Jeffrey D., Lorenz, David L., Wiche, Gregg J., and Goldstein, Robert M., 1993, Red River of the North Basin Minnesota, North Dakota, and South Dakota: American Water Resources Association Water Resources Bulletin July/August 1993, vol. 29, no. 4, p. 575-615. doi: 10.1111/j.1752-1688.1993.tb03229.x Available Online
Stribling, J.B., Moulton II, S.R., and Lester, G.T., 2003, Determining the quality of taxonomic data: North American Benthological Society, vol. 22, p. 621-631 Available Online
Strobel, M.L., and Gerla, P.J., 1992, Effects of saline ground-water discharge on water quality in the Red River of the North, northeastern North Dakota: Preliminary observations of the hydrologic setting: North Dakota Water Quality Symposium Proceedings 1992 Bismarck, North Dakota, p. 60-82.
Strobel, M.L., and Haffield, N.D., 1995, Salinity in surface water in the Red River of the North Basin, Northeastern North Dakota: U.S. Geological Survey Water-Resources Investigations Report 95-4082, 14 p. Available Online
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