National Water-Quality Assessment (NAWQA) Program
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Showing results 1 to 26 of 397.
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Alexander, R.B., Bohlke, J.K., Boyer, E.W., David, M.B., Harvey, J.W., Mulholland, P.J., Seitzinger, S.P., Tobias, C.R., Tonitto, C., Wollheim, W.M., 2009, Dynamic modeling of nitrogen losses in river networks unravels the coupled effects of hydrological and biogeochemical processes : Biogeochemistry (2009) 93:91-116, p. 91-116. doi: 10.1007/s10533-008-9274-8 Available Online
Barlow, Jeannie R.B., and Coupe, Richard H., 2009, Use of heat to estimate streambed fluxes during extreme hydrologic events: Water Resources Research, vol. 45, W01403, 10 p. Available Online
Bauch, N.J., Chasar, L.C., Scudder, B.C., Moran, P.W., Hitt, K.J., Brigham, M.E., Lutz, M.A., and Wentz, D.A., 2009, Data on mercury in water, bed sediment, and fish from streams across the United States, 1998-2005: U.S. Geological Survey Data Series 307, 33 p. Available Online
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
Brigham, M.E., Wentz, D.A., Aiken, G.R., and Krabbenhoft, D.P., 2009, Mercury cycling in stream ecosystems- 1. Water column chemistry and transport: Environmental Science and Technology, Vol. 43, No. 8, p. 2720-2725. doi: 10.1021/es802694n Available Online
Brown, L.R., Cuffney, T.F., Coles, J.F., Fitzpatrick, F., McMahon, G., Steuer, J., Bell A.H., and May, J.T., 2009, Urban streams across the USA: lessons learned from studies in 9 metropolitan areas: Journal of the North American Benthological Society, 2009, 28(4), p. 1051-1069. doi: 10.1899/08-153.1 Available Online
Brown, Larry R., Gregory, M. Brian, and May, Jason T., 2009, Relation of urbanization to stream fish assemblages and species traits in nine metropolitan areas of the United States: Urban Ecosystems published on-line 28 January 2009, 26 p. doi:10.1007/s11252-009-0082-2 Available Online
Carlisle, Daren M., Falcone, James, Wolock, David M., Meador, Michael R., and Norris, Richard H., 2009, Predicting the natural flow regime: Models for assessing hydrological alteration in streams: River Research and Applications (2009), 17 p. doi: 10.1002/rra.1247 Available Online
Carpenter, Kurt and McGhee, Gordon, 2009, Organic Compounds in Clackamas River Water Used for Public Supply near Portland, Oregon, 2003-05: U.S. Geological Survey Fact Sheet 2009-3030, 6 p. Available Online
Chapelle, F.H., Bradley, P.M., Thomas, M.A., and McMahon, P.B., 2009, Distinguishing Iron-Reducing from Sulfate-Reducing Conditions: Ground Water, Volume 47, No. 2, March-April 2009, p. 300-305. Available Online
Chasar, L.C., Scudder, B.C., Stewart, A.R., Bell, A.H., and Aiken, G.R., 2009, Mercury cycling in stream ecosystems- 3. Trophic dynamics and methylmercury bioaccumulation: Environmental Science and Technology, Vol. 43, No. 8, p. 2733-2739. doi: 10.1021/es8027567 Available Online
Cuffney, Thomas F., and Falcone, James A., 2009, Derivation of Nationally Consistent Indices Representing Urban Intensity Within and Across Nine Metropolitan Areas of the Conterminous United States: U.S. Geological Survey Scientific Investigations Report 2008-5095, 37 p. Available Online
DeSimone, Leslie A., 2009, Quality of Water from Domestic Wells in Principal Aquifers of the United States, 1991-2004: U.S. Geological Survey Scientific Investigations Report 2008-5227, 127 p. Available Online
DeSimone, Leslie A., Hamilton, Pixie A., and Gilliom, Robert J., 2009, Quality of Water from Domestic Wells in Principal Aquifers of the United States, 1991-2004--Overview of Major Findings: U.S. Geological Survey Circular 1332, 48 p. Available Online
DeSimone, Leslie A., Hamilton, Pixie A., and Gilliom, Robert J., 2009, Quality of Ground Water from Private Domestic Wells: Water Well Journal April 2009, p. 33-37. Available Online
Falcone, James A., Carlisle, Daren M., and Weber, Lisa C., 2009, Quantifying human disturbance in watersheds: Variable selection and performance of a GIS-based disturbance index for predicting the biological condition of perennial streams: Ecological Indicators, article in press. doi:10.1016/j.ecolind.2009.05.005 Available Online
Frankforter, Jill D., Weyers, Holly S., Bales, Jerad D., Moran, Patrick W., and Calhoun, Daniel L., 2009, The relative influence of nutrients and habitat on stream metabolism in agricultural streams: Environmental Monitoring and Assessment, August 15, 2009, 19 p. doi: 10.1007/s10661-009-1127-y Available Online
Hinkle, S.R., Kauffman, L.J., Thomas, M.A., Brown, C.J., McCarthy, K.A., 2009, Combining particle-tracking and geochemical data to assess public supply well vulnerability to arsenic and uranium: Journal of Hydrology, v. 376, p. 132-142. Available Online
Hoos, A.B., and McMahon, Gerard, 2009, Spatial analysis of instream nitrogen loads and factors controlling nitrogen delivery to streams in the southeastern United States using spatially referenced regression on watershed attributes (SPARROW) and regional classification frameworks: Hydrologic Processes, 20 p. Available Online
Jagucki, Martha L., Jurgens, Bryant C., Burow, Karen R., and Eberts, Sandra M., 2009, Assessing the Vulnerability of Public-Supply Wells to Contamination: Central Valley Aquifer System near Modesto, California: U.S. Geological Survey Fact Sheet 2009-3036, 6 p. Available Online
Jurgens, Bryant C., McMahon, Peter B., Chapelle, Francis H., and Eberts, Sandra M. , 2009, An Excel® Workbook for Identifying Redox Processes in Ground Water: U.S. Geological Survey Open-File Report 2009-1004, 8 p. Available Online
Marvin-DiPasquale, M.C., Lutz, M.A., Brigham, M.E., Krabbenhoft, D.P., Aiken, G.R., Orem, W.R., and Hall, B.D., 2009, Mercury cycling in stream ecosystems- 2. Benthic methylmercury production and bed sediment pore water partitioning: Environmental Science and Technology, Vol. 43, No. 8, p. 2726-2732. doi: 10.1021/es802698v Available Online
McCarthy, K.A., 2009, A whole-system approach to understanding agricultural chemicals in the environment: U.S. Geological Survey Fact Sheet 2009-3042, 6 p., on-line only. Available Online
McCarthy, K.A., and Johnson, H.M., 2009, Effect of agricultural practices on hydrology and water chemistry in a small irrigated catchment, Yakima River basin, Washington: U.S. Geological Survey Scientific Investigations Report 2009-5030, 22 p. Available Online
McMahon, P.B., Cowdery, T.K., Chapelle, F.H., and Jurgens, B.C., 2009, Redox conditions in selected principal aquifers of the United States: U.S. Geological Survey Fact Sheet 2009-3041, 6 p. Available Online
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