National Water-Quality Assessment (NAWQA) Program
More Information about Methods
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Crawford, Charles G., 2004, Sampling strategies for estimating acute and chronic exposures of pesticides in streams: Journal of the American Water Resources Association, vol. 40, no. 2, p. 485-502. doi: 10.1111/j.1752-1688.2004.tb01045.x Available Online
Connor, B.F., Rose,D.L., Noriega, M.C., Murtagh, L., and Abney, S.R., 1998, Methods of Analysis by the U.S. Geological Survey National Water Quality Laboratory -- Determination of 86 Volatile Organic Compounds in Water by Gas Chromatography/Mass Spectrometry, Including Detections Less Than Reporting Limits: U.S. Geological Survey Open-File Report 97-829, 78 p. Available Online
Coes, Alissa, Gellenbeck, Dorinda, and Towne, Doug, 1997, Collection and analysis of ground-water samples in the Sierra vista Basin, Arizona, 1996: U.S. Geological Survey Fact Sheet FS-107-97, 2 p. Available Online
Church, Clinton D., Isabelle, Lorne M., Pankow, James F., Rose, Donna L., and Tratnyek, Paul G., 1997, Method for determination of methyl tert-butyl ether and its degradation products in water: Environmental Science & Technology, vol. 31, no. 12, p. 3723-3726. doi: 10.1021/es9705452 Available Online
Choquette, A.F., and Katz, B.G., 1989, Grid-based ground water sampling: Lessons from an extensive regional network for 1,2-dibromoethane (EDB) in Florida: in Ragone, S.E., ed., Regional Characterization of Water Quality: Proceedings of the Baltimore Symposium, May 1989, National Association of Hydrological Sciences Publication No. 182, p. 79-86.
Charles, Donald F., Knowles, Candia, and Davis, Robin S., eds., 2002, Protocols for the analysis of algal samples collected as part of the U.S. Geological Survey National Water-Quality Assessment Program: The National Academy of Sciences, Patrick Center for Environmental Research, Report No. 02-06, 124 p. Available Online
Chappell, F.H., McMahon, P.B., Dubrovsky, N.M, Fujii, R.F., Oaksford,E.T., and Vroblesky, D.A., 1995, Deducing the distribution of terminal electron-accepting processes in hydrologically diverse groundwater systems: Water Resources Research, vol. 31, no. 2, p. 359-371. 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, vol. 47, no. 2, March-April 2009, p. 300-305. Available Online
Chang, Ming, Kennen, Jonathan G., and Del Corso, Ellyn, 2000, Evaluating temporal changes in stream condition in three New Jersey river basins by using an index of biotic integrity: Bulletin New Jersey Academy of Sciences, vol. 45, p. 1-12. Available Online
Carter, Donna S., 1996, Determination of atrazine and its major degradation products in soil pore water by solid-phase extraction, chemical derivation, and gas chromatography/mass spectrometry: U.S. Geological Survey Open-File Report 96-459, 12 p. Available Online
Capel, Paul D., Nacionales, Fernando C., and Larson, Steven J., 1995, Precision of a splitting device for water samples: U.S. Geological Survey Open-File Report 95-293, 6 p. Available Online
Capel, Paul D., and Larson, Steven J., 1996, Evaluation of selected information on splitting devices for water samples: U.S. Geological Survey Water-Resources Investigations Report 95-4141, 103 p. Available Online
Capel, P.D., McCarthy, K.A., and Barbash, J.E., 2008, National, holistic, watershed-scale approach to understand the sources, transport, and fate of agricultural chemicals: Journal of Environmental Quality, vol. 37, p. 983-993. doi: 10.2134/jeq2007.0226 Available Online
Capel, P.D., and Larson, S.J., 1995, A chemodynamic approach for estimating losses of target organic chemicals from water during sample holding time: Chemosphere, vol. 30, no. 6, p. 1097-1107. doi: 10.1016/0045-6535(94)00004-EĀ Available Online
Burow, K.R., Weissmann, G.S., Miller, R.D., and Placzek, G., 1997, Hydrogeologic facies characterization of an alluvial fan near Fresno, California, using geophysical techniques: U.S. Geological Survey Open-File Report 97-46, 15 p. Available Online
Burow, K.R., Shelton, J.L., Hevesi, J.A., and Weissmann, G.S., 2004, Hydrogeologic characterization of the Modesto Area, San Joaquin Valley, California: U.S. Geological Survey Scientific Investigations Report 2004-5232, 54 p. Available Online
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
Black, Robert W., Munn, Mark D., and Plotnikoff, Robert W., 2004, Using macroinvertebrates to identify biota--land cover optima at multiple scales in the Pacific Northwest, USA: Journal of the North American Benthological Society, vol. 23, no. 2, p. 340-362. doi: 10.1899/0887-3593(2004)023<0340:UMTIBC>2.0.CO;2 Available Online
Bell, R.W., and Williamson, A.K., 2006, Data delivery and mapping over the Web-National Water-Quality Assessment Data Warehouse: U.S. Geological Survey Fact Sheet 2006-3101, 6 p. Available Online
Bastian, K.Chad, Thurman, E.M., Kleiss, and Rebich, Richard A., 1998, Comparison of enzyme-linked immunoassay with gas chromatography/mass spectrometry for analysis of the cotton herbicide fluometuron: Proceedings of the 28th Mississippi Water Resources Conference, April 7-8 1998, Raymond, MS, p. 45-55.
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
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
Bales, J.D., and Nardi, M.R., 2007, Automated routines for calculating whole-stream metabolism-Theoretical background and user's guide: U.S. Geological Survey Techniques and Methods 4-C2, 33 p. Available Online
Baker, N.T., Wilson, J.T., and Moran, M.J., 2008, Methods and sources of data used to develop selected water-quality indicators for streams and ground water for EPA's 2007 Report on the Environment: U.S. Geological Survey Open-File Report 2008-1096, 23 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.
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