National Water-Quality Assessment (NAWQA) Program
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Showing results 1 to 26 of 607.
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Manning, A.H., Solomon, D.K., and Thiros, S. A., 2005, 3 H/3 He age data in assessing the susceptibility of wells to contamination: Ground Water, vol. 43, no. 3, p. 353-367. doi: 10.1111/j.1745-6584.2005.0028.x Available Online
Carlisle, D.M., and Meador, M.R., 2007, A biological assessment of streams in the eastern United States using a predictive model for macroinvertebrate assemblages: Journal of the American Water Resources Association, vol. 43, p. 1194-1207. doi: 10.1111/j.1752-1688.2007.00097.x Available Online
Alexander, Richard B., Johnes, Penny J., Boyer, Elizabeth W., and Smith, Richard A., 2002, A comparison of models for estimating the riverine export of nitrogen from large watersheds: Biogeochemistry, vol. 57, no. 58, p. 295-339. doi: 10.1023/A:1015752801818 Available Online
Falcone, J., Stewart, J., Sobieszczyk, S., Dupree, J., McMahon, G., and Buell, G., 2007, A comparison of natural and urban characteristics and the development of urban intensity indices across six geographic settings: U.S. Geological Survey Scientific Investigations Report 2007-5123, 43 p. Available Online
McMahon, P.B., Plummer, L.N., Bohlke, J.K., Shapiro, S.D., Hinkle, S.R., 2011, A comparison of recharge rates in aquifers of the United States based on groundwater-age data: Hydrogeology Journal, 22 p., online in advance of print. doi: 10.1007/s10040-011-0722-5 Available Online
Potapova, Marina, Coles, J. F., Giddings, E.M., and Zappia, Humbert, 2005, A comparison of the influences of urbanization on stream benthic algal assemblages in contrasting environmental settings: in Brown, L.R., Gray, R.H., Hughes, R.M., and Meador, M.R., eds., Effects of urbanization on stream ecosystems: American Fisheries Society, Symposium 47, Bethesda, Maryland, p. 333-359. 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
Saad, D.A., Schwarz, G.E., Robertson, D.M., and Booth, N.L., 2011, A multi-agency nutrient dataset used to estimate loads, improve monitoring design, and calibrate regional nutrient SPARROW models: Journal of the American Water Resources Association, online 22Aug2011 in advance of print, 17 p. doi: 10.1111/j.1752-1688.2011.00575.x Available Online
Nolan, Bernard T., Ruddy, Barbara C., Hitt, Kerie J., and Helsel, Dennis R., 1998, A National look at nitrate contamination of ground water: Water Conditioning & Purification, vol. 39, no. 12, January 1998, p. 76-79. Available Online
Gilliom, Robert J., Mueller, David K., Zogorski, John S., and Ryker, Sarah J., 2002, A national look at water quality: Water Resources Impact, vol. 4, no. 4, July 2002, p. 12-16. Available Online
Krabbenhoft, D.P., Wiener, J.G., Brumbaugh, W.G., Olson, M.L., DeWild, J.F., and Sabin, T.J., 1999, A National pilot study of mercury contamination of aquatic ecosystems along multiple gradients: in U.S. Geological Survey Toxic Substances Hydrology Program--Proceedings of the Technical Meeting, Charleston, South Carolina, March 8-12, 1999--Volume 2 of --Contamination of Hydrologic Systems and Related Ecosystems: U.S. Geological Survey Water-Resources Investigations Report 99-4018B, p. 147-160. 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
Grady, S.J., 2003, A national survey of methyl tert-butyl ether and other volatile organic compounds in drinking-water sources: Results of the random survey: U.S. Geological Survey Water-Resources Investigations Report 02-4079, 85 p. Available Online
Squillace, Paul J., Zogorski, John S., Wilber, William G., and Price, Curtis V., 1995, A preliminary assessment of the occurrence and possible sources of MTBE in ground water of the United States, 1993-94: U.S. Geological Survey Open-File Report 95-456, 15 p. Available Online
Squillace, Paul J., Zogorski, John S., Wilber, William G., and Price, Curtis V., 1996, A preliminary assessment of the occurrence and possible sources of MTBE in ground water of the United States, 1993-94: Environmental Science and Technology, vol. 30, no. 5, (also published as USGS Open-File Report 95-456), p. 1721-1730. doi: 10.1021/es9507170 Available Online
Focazio, Michael J., Welch, Alan H., Watkins, Sharon A., Helsel, Dennis R., and Horn, Marilee A., 2000, A retrospective analysis on the occurrence of arsenic in ground-water resources of the United States and limitations in drinking-water-supply characterizations: U.S. Geological Survey Water-Resources Investigations Report WRIR 99-4279, 21 p. Available Online
Delzer, G.C., and Ivahnenko, Tamara, 2003, A review of literature for methyl tert-butyl ether (MTBE) in sources of drinking water in the United States: U.S. Geological Survey Open-File Report 01-322, 16 p. Available Online
Lopes, Thomas J., and Dionne, Shannon G., 1998, A review of semivolatile and volatile organic compound in highway runoff and urban stormwater: U.S. Geological Survey Open-File Report 98-409, 67 p. Available Online
National Research Council, 1990, A Review of the U.S.G.S. National Water-Quality Assessment Pilot Program: National Academy Press, Washington, D.C., 153 p. Available Online
Alley, W.M., and Cohen, Philip, 1991, A scientifically based nationwide assessment of groundwater quality in the United States: Environmental Geology and Water Science, vol. 17, no. 1, p. 17-22. doi: 10.1007/BF01716071 Available Online
Hirsch, R.M., Alley, W.M., and Wilber, W.G., 1988, A summary of the U.S. Geological Survey National Water-Quality Assessment Program: U.S. Geological Survey Open-File Report 88-95, 7 p. Available Online
McCarthy, K.A., and Capel, P.D., 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
Treyens, Cliff (National Ground Water Association), 2009, A Winning Strategy--Follow these four objectives when addressing water quality concerns: Water Well Journal April 2009, p. 38-40 Available Online
Kolpin, D.W., Nations, B.K., Goolsby, D.A., and Thurman, E.M., 1996, Acetochlor in the hydrologic system in the midwestern United States, 1994: Environmental Science & Technology, vol. 30, no. 5, p. 1459-1464. doi: 10.1021/es9503241 Available Online
Martin, J.D., Stone, W.W., Wydoski, D.S., and Sandstrom, M.W., 2009, Adjustment of pesticide concentrations for temporal changes in analytical recovery, 1992-2006: U.S. Geological Survey Scientific Investigations Report 2009-5189, 24 p. Available Online
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