National Water-Quality Assessment (NAWQA) Program
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Nowell, L.H., Crawford, C.G., Nakagaki, N., Thelin, G.P., and Wolock, D.M., 2006, Regression model for explaining and predicting concentrations of dieldrin in whole fish from United States streams: U.S. Geological Survey Scientific Investigations Report 2006-5020, 40 p. Available Online
Nystrom, E.A., and Burns, D.A., 2011, TOPMODEL simulations of streamflow and depth to water table in Fishing Brook Watershed, New York, 2007-09: U.S. Geological Survey Scientific Investigations Report 2011-5190, 54 p. Available Online
O'Brien, Anne K., 1997, Presence and distribution of trace elements in New Jersey streambed sediments: American Water Resources Association, vol. 33, no. 2, p 387-403. doi: 10.1111/j.1752-1688.1997.tb03518.x Available Online
Pankow, J.F., Asher, W.E., and Zogorski, J.S., 2006, Source apportionment modeling of volatile organic compounds in streams: Environmental Toxicology and Chemistry, vol. 25, no. 4, p. 921-932. Available Online
Parkhurst, D.L., Christenson, S.C., and Breit, G.N., 1992, Ground-water-quality assessment of the Central Oklahoma aquifer, Oklahoma: Geochemical and geohydrologic investigations: U.S. Geological Survey Open-File Report 92-642, 214 p. Available Online
Parkhurst, David L.,Christenson, Scott C., and Breit, George N., 1996, Ground-water-quality assessment of the central Oklahoma Aquifer, Oklahoma; geochemical and geohydrologic investigations: U.S. Geological Survey Water-Supply Paper 2357-C, 101 p. Available Online
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 1737A, 244 p. Available Online
Phillips, S.P., Burow, K.R., Rewis, D.L., Shelton, J.J., and Jurgens, Bryant, 2007, Hydrogeologic setting and ground-water flow simulations of the San Joaquin Valley Regional Study Area, California, Section 4 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. 4-1 to 4-30. Available Online
Phillips, S.P., Green, C.T., Burow, K.R., Shelton, J.L., and Rewis, D.L., 2007, Simulation of multiscale ground-water flow in part of the Northeastern San Joaquin Valley, California: U.S. Geological Survey Scientific Investigations Report 2007-5009, 55 p. 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
Powell, Jeffrey R., 2003, Response of fish communities to cropland density and natural environmental setting in the Eastern Highland Rim Ecoregion of the lower Tennessee River Basin, Alabama and Tennessee, 1999: U.S. Geological Survey Water-Resources Investigations Report 02-4268, 48 p. Available Online
Preston, S.D., Alexander, R.B., and Wolock, D.M., 2011, SPARROW modeling to understand water-quality conditions in major regions of the United States: A featured collection introduction: Journal of the American Water Resources Association, online 22Aug2011, 4 p. doi: 10.1111/j.1752-1688.2011.00585.x Available Online
Preston, S.D., Alexander, R.B., and Woodside, M.D., 2011, Regional assessments of the Nation's water quality--Improved understanding of stream nutrient sources through enhanced modeling capabilities: U.S. Geological Survey Fact Sheet 2011-3114, 6 p. Available Online
Preston, S.D., Alexander, R.B., Schwarz, G.E., and Crawford, C.G., 2011, Factors affecting stream nutrient loads: A synthesis of regional SPARROW model results for the continental United States: Journal of the American Water Resources Association, online 22Aug2011 in advance of print, 25 p. doi: 10.1111/j.1752-1688.2011.00577.x Available Online
Preston, Stephen D., Alexander, Richard B., Woodside, Michael D., and Hamilton, Pixie A., 2009, SPARROW modeling - Enhancing understanding of the Nation's water quality: U.S. Geological Survey Fact Sheet 2009-3019, 6 p. Available Online
Puckett, L.J., and Hughes, W.B., 2005, Transport and Fate of Nitrate and Pesticides: Hydrogeology and Riparian Zone Processes: Journal of Environmental Quality, vol. 34, no. 6, p 2278-2292. doi: 10.2134/jeq2005.0109 Available Online
Puckett, Larry J., Cowdery, T.K., Lorenz, D.L., and Stoner, J.D., 1999, Estimation of nitrate contamination of an Agro-Ecosystem Outwash Aquifer using a nitrogen mass-balance budget: Journal of Environmental Quality, vol. 28, no. 6, Nov.-Dec. 1999, p. 2015-2025. Available Online
Qian, S.S., Cuffney, T.F., Alameddine, Ibrahim, McMahon, Gerard, and Reckhow, K.H., 2010, On the application of multilevel modeling in environmental and ecological studies: Ecology, vol. 91, no. 2, p. 355-361, published on-line. Available Online
Qian, Song S., and Cuffney, Thomas F., 2012, To threshold or not to threshold? That's the question: Ecological Indicators, vol. 15, no. 1, p. 1-9. doi: 10.1016/j.ecolind.2011.08.019 Available Online
Rebich, R.A., and Demcheck, D.K., 2007, Trends In Nutrient and Sediment Concentrations and Loads In Major River Basins of the South-Central United States, 1993-2004: USGS Scientific Investigations Report 2007-5090, 112 p. Available Online
Rebich, R.A., Houston, N.A., Mize, S.V., Pearson, D.K., Ging, P.B., and Hornig, C.E., 2011, Sources and delivery of nutrients to the northwestern Gulf of Mexico from streams in the South-Central United States: Journal of the American Water Resources Association, online 22Aug2011 in advance of print, 26 p. doi: 10.1111/j.1752-1688.2011.00583.x Available Online
Riva-Murray, K., Bradley, P.M., Scudder Eikenberry, B.C., Knightes, C.D., Journey, C.A., Brigham, M.E., and Button, D.T., 2013, Optimizing stream water mercury sampling for calculation of fish bioaccumulation factors: Environmental Science & Technology, on-line only in advance of print, 9 p. doi: 10.1021/es303758e Available Online
Robertson, D.M., and Saad, D.A., 2001, Nutrient inputs to the Laurentian Great Lakes by source and watershed estimated using SPARROW watershed models: Journal of the American Water Resources Association, online 22Aug2011 in advance of print, 23 p. doi: 10.1111/j.1752-1688.2011.00574.x Available Online
Robertson, Dale M., 1996, Use of frequency-volume analyses to estimate regionalized yields and loads of sediment, phosphorus, and polychlorinated biphenyls to Lakes Michigan and Superior: U.S. Geological Survey Water-Resources Investigations Report 96-4092, 47 p. Available Online
Robertson, Dale M., and Richards, Kevin D., 2000, Influence of different temporal sampling strategies on estimating loads and maximum concentrations in small streams: Conference Proceedings NWQMC National Monitoring Conference 2000, Monitoring for the Millennium, p. 209-223.
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