National Water-Quality Assessment (NAWQA) Project
More Information about Methods
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Taglioli, Brandon L., Delzer, Gregory C., and Zogorski, John S., 2001, Study design and analytical results used to evaluate carry-over contamination by volatile organic compounds in surface- and ground-water sampling procedures: U.S. Geological Survey Open-File Report 00-384, 36 p. Available Online
Love, Jason T., Delzer, Gregory C., Abney, Sonja R., and Zogorski, John S., 1999, Study design and analytical results used to evaluate stability of volatile organic compounds in water matrices: U.S. Geological Survey Open-File Report 98-637, 156 p. Available Online
Valder, Joshua F., Delzer, Gregory C., Price, Curtis V., and Sandstrom, Mark W., 2008, Study design and percent recoveries of anthropogenic organic compounds with and without the addition of ascorbic acid to preserve water samples containing free chlorine, 2004-06: U.S. Geological Survey Open-File Report 2008-1226, 86 p. Available Online
Nowell, Lisa H., and Resek, Elizabeth A., 1994, Summary of national standards and guidelines for pesticides in water, bed sediment, and aquatic organisms and their application to water-quality assessments: U.S. Geological Survey Open-File Report 94-44, 115 p. Available Online
Marron, Donna C. and Blanchard, Stephen F., 1995, Surface-water-quality assessment of the Upper Illinois, Indiana, and Wisconsin: Cross sectional and depth variation of water-quality constituents and properties in the Upper Illinois River Basin, 1987-88: U.S. Geological Survey Water-Resources Investigations Report 95-4021, 19 p. Available Online
Gurdak, Jason J., Walvoord, Michelle A., and McMahon, Peter B., 2008, Susceptibility to enhanced chemical migration from depression-focused preferential flow, High Plains aquifer: Vadose Zone Journal, vol. 7, no. 4, p. 1172-1184. doi: 10.2136/vzj2007.0145 Available Online
Huh, S., Dickey, D.A., Meador, M.R., and Ruhl, K.E., 2005, Temporal analysis of the frequency and duration of low and high streamflow: years of record needed to characterize streamflow variability: Journal of Hydrology, vol. 310, p. 78-94. doi: 10.1016/j.jhydrol.2004.12.008 Available Online
Jones, Joseph L., and Roberts, Lonna M., 1999, The relative merits of monitoring and domestic wells for ground water quality investigations: Ground Water Monitoring & Remediation, vol. 19, no. 3, p. 138-144. Available Online
Reilly, T.E., Plummer, L.N., Phillips, P.J., and Busenburg, Eurybiades, 1994, The use as simulation and multiple environmental tracers to quantify groundwater flow in a shallow aquifer: Water Resources Research, vol. 30, no. 2, p. 421-433. Available Online
Jurgens, B.C., Böhlke, J.K., and Eberts, S.M., 2012, TracerLPM (Version 1): An Excel® workbook for interpreting groundwater age distributions from environmental tracer data: U.S. Geological Survey Techniques and Methods Report 4-F3, 60 p. Available Online
Raese, Jon W., Rose, Donna L., and Sandstrom Mark W., 1995, U.S. Geological Survey laboratory method for methyl tert-butyl ether: U.S. Geological Survey Fact Sheet FS-219-95, 4 p. Available Online
Wetherbee, G.A., and Martin, RoseAnn, 2017, Updated operational protocols for the U.S. Geological Survey Precipitation Chemistry Quality Assurance Project in support of the National Atmospheric Deposition Program: U.S. Geological Survey Open-File Report 2016-1213, 18 p. Available Online
Fitzpatrick, F.A., 1999, Use of a geographic information system in the Upper Illinois River Basin pilot project of the National Water-Quality Assessment Program: in Remote Sensing and GIS Application to Nonpoint Source Planning USEPA Northeastern Illinois Planning Commission Workshop, October 1-3, 1990, Chicago, Illinois, p. 55-66.
Bryant, W.L., Goodbred, S.L., Leiker, T.L., Inouye, Laura, and Johnson , B.T., 2007, Use of Chemical Analysis and Assays of Semipermeable Membrane Devices Extracts to Assess the Response of Bioavailable Organic Pollutants in Streams to Urbanization in Six Metropolitan Areas of the United States: U.S. Geological Survey Scientific Investigations Report 2007-5113, 46 p. 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
Baker, N.T., and Morlock, S.E., 1996, Use of global positioning system and an acoustic Doppler current profiler to map river and lake bathymetry in American Water Resources Association Symposium on GIS and Water Resources, Ft. Lauderdale, Florida,1996: Proceedings: American Water Resources Association, Herndon, Virginia, p. 373-381.
Barlow, J.R.B., and Coupe, R.H., 2008, Use of heat to estimate streambed fluxes during extreme events: Water Resources Research, vol. 45, WO1403, 10 p. doi: 10.1029/2007WR006121 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. doi: 10.1029/2007WR006121 Available Online
Edsall, Thomas A.,Behrendt, Thomas E., Cholwek, Gary, Frey, Jeffrey W., Kennedy, Gregory W., and Smith, Stephen B., 1997, Use of remote-sensing techniques to survey the physical habitat of large rivers: U.S. Geological Survey Contribution number 983 of the Great Lakes Science Center, 20 p.
McMahon, Gerard, Bales, J.D., Coles, J.F., Giddings, E.M.P., and Zappia, H., 2003, Use of stage data to characterize hydrologic conditions in an urbanizing environment: Journal of the American Water Resources Association, vol. 39, no. 6, p. 1529-1546. doi: 10.1111/j.1752-1688.2003.tb04437.x Available Online
Thoms, R.B., Johnson, R.L., and Healy, R.W., 2006, User's guide to the variably saturated flow (VSF) process for MODFLOW: U.S. Geological Survey Techniques and Methods, 6-A18, 58 p. Available Online
Cuffney, Thomas F., 2003, User's Manual for the National Water-Quality Assessment Program Invertebrate Data Analysis System (IDAS): U.S. Geological Survey Open-File Report 03-172, 103 p. Available Online
Hamilton, P.A., Welch, A.H., Christenson, S.C., and Alley W.M., 1993, Uses and limitations of existing ground-water-quality data in Alley, W.M., ed.: Regional Ground-Water Quality: New York, Van Nostrand Reinhold, p. 613-622.
Hopkins, Evelyn H., 2003, Using a geographic information system to rank urban intensity of small watersheds for the Chattahoochee, Flint, Ocmulgee, and Oconee River basins in the piedmont ecoregion of Georgia and Alabama: in Hatcher, K.J., ed., Proceedings of the 2003 Georgia Water Resources Conference, April 23-24, University of Georgia, Athens, Georgia, 3 p. Available Online
Puckett, Larry J., Cowdery, Timothy K., McMahon, Peter B., Thornes, Lan H., and Stoner, Jeffrey D., 2002, Using chemical, hydrologic, and age dating analysis to delineate redox processes and flow path in the riparian zone of a glacial outwash aquifer-stream system: Water Resources Research, vol. 38, no. 8, 20 p. doi: 10.1029/2001WR000396 Available Online
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