National Water-Quality Assessment (NAWQA) Program
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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
Alexander, R.B., Brakebill, J.W., Brew, R.E., and Smith, R.A., 1999, ERF1-Enhanced River Reach File 1.2: U.S. Geological Survey Open-File Report 99-457, map. Available Online
Alexander, R.B., Smith, R.A., Schwarz, G.S., Boyer, E.W., Nolan, J.V., and Brakebill, J.W., 2008, Differences in phosphorus and nitrogen delivery to the Gulf of Mexico from the Mississippi River Basin: Environmental Science and Technology, vol. 42, no. 3, p. 822-830. doi: 10.1021/es0716103 Available Online
Alexander, Richard B., Boyer, E.W., Smith, R.A., Schwarz, G.E., and Moore, R.B., 2007, The role of headwater streams in downstream water quality: Journal of the American Water Resources Association, vol. 43, no. 1, p. 41-59. doi: 10.1111/j.1752-1688.2007.00005.x Available Online
Alexander, Richard B., Elliott, Alexander H., Shankar, Ude, and McBride, Graham B., 2002, Estimating the sources and transport of nutrients in the Waikato River Basin, New Zealand: Water Resources Research 2002, 23 p. doi: 10.1029/2001WR000878 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
Alexander, Richard B., Smith, Richard A., and Schwarz, Gregory E., 2000, Effect of stream channel size on the delivery of nitrogen to the Gulf of Mexico: Nature, vol. 403, February 17, 2000, p. 758-761. Available Online
Alexander, Richard B., Smith, Richard A., Schwarz, Gregory E., Preston, Stephen D., Brakebill, John W., Srinivasan, Raghavan, and Pacheco, Percy A., 2000, Atmospheric nitrogen flux from the watersheds of major estuaries of the United States: An application of the SPARROW watershed model: American Geophysical Union, p. 119-170.
Alpers, Charles N., Antweiler, Ronald C., Taylor, Howard E., Dileanis, Peter D., and Domagalski, Joseph L., eds., 2000, Metal transport in the Sacramento River, California, 1996-97: Volume 2: Interpretations of metal loads: U.S. Geological Survey Water-Resources Investigations Report 00-4002, 106 p. Available Online
Anning, D.W., Bauch, N.J., Gerner, S.J., Flynn, M.E., Hamlin, S.N., Moore, S.J., Schaefer, D.H., Anderholm, S.K., and Spangler, L.E., 2007, revised 2010, Dissolved solids in basin-fill aquifers and streams in the southwestern United States: U.S. Geological Survey Scientific Investigations Report 2006-5315, v. 1.1, 168 p. Available Online
Anning, D.W., Paul, A.P., McKinney, T.S., Huntington, J.M., Bexfield, L.M., and Thiros, S.A., 2012, Predicted nitrate and arsenic concentrations in basin-fill aquifers of the southwestern United States: U.S. Geological Survey Scientific Investigations Report 2012-5065, 78 p. Available Online
Anning, D.W., Thiros, S.A., Bexfield, L.M., McKinney, T.S., and Green, J.M., 2009, Southwest principal aquifers regional ground-water quality assessment: U.S. Geological Survey Fact Sheet 2009-3015, 4 p. Available Online
Anning, David W., 2008, Dissolved solids in basin-fill aquifers and streams in the southwestern United States--Executive Summary: U.S. Geological Survey Fact Sheet 2008-3076, 4 p. Available Online
Anning, David W., 2011, Modeled sources, transport, and accumulation of dissolved solids in water resources of the Southwestern United States: Journal of the American Water Resources Association, online 22Aug2011 in advance of print, 23 p. doi: 10.1111/j.1752-1688.2011.00579.x Available Online
Arnold, T.L., Warner, K.L., Groschen, G.E., Caldwell, J.P., and Kalkhoff, S.J., 2008, Hydrochemical regions of the glacial aquifer system, northern United States, and their environmental and water-quality characteristics: U.S. Geological Survey Scientific Investigations Report 2008-5015, 84 p. Available Online
Ashbury, Clyde E., and Oaksford, Edward T., 1997, A comparison of drainage basin nutrient inputs with instream nutrient loads for Seven Rivers in Georgia and Florida, 1986-90: U.S. Geological Survey Water-Resources Investigations Report 97-4006, 8 p. Available Online
Asher, W., Bender, D.A., Zogorski, J.S., and Bartholomay, R.C., 2006, StreamVOC-A deterministic source-apportionment model to estimate volatile organic compound concentrations in rivers and streams: U.S. Geological Survey Scientific Investigations Report 2006-5110, 167 p. Available Online
Asher, W.E., Luo, Wentai, Campo, K.W., Bender, D.A., Robinson, K.W, Zogorski, J.S., and Pankow, J.F., 2007, Application of a source apportionment model in consideration of volatile organic compounds in an urban stream: Environmental Toxicology and Chemistry, vol. 26, no. 8, p. 1606-1613. doi: 10.1897/06-557 Available Online
Ator, Scott W., Denver, Judith M. and Pitchford, Ann M., 2000, Developing Landscape-Indicator Models for Pesticides and Nutrients in Streams of the Mid-Atlantic Coastal Plain : U.S. Geological Survey Fact Sheet FS-157-00, 4 p. Available Online
Ayotte, J.D., Nolan, B.T., Nuckols, J.R., Cantor, K.P., Robinson, Jr., G.R., Baris, Dalsu, Hayes, Laura, Karagas, Margaret, Bress, William, Silverman, D.T., and Lubin, J.H., 2006, Modeling the probability of arsenic in groundwater in New England as a tool for exposure assessment: Environmental Science and Technology, vol. 40, no. 11, p. 3578-3585. doi: 10.1021/es051972f Available Online
Bachman, L.J., Zynjuk, L.D., and Phillips, P.J., 1992, The significance of hydrologic landscapes in estimating nitrogen loads in base flow to estuarine tributaries of Chesapeake Bay: EOS, Transactions, American Geophysical Union, vol. 73, no. 14, Spring Meeting Supplement, p. 113.
Baehr, Arthur L., Charles, Emmanuel G., and Baker, Ronald J., 2001, Methyl tert- butyl either degradation in the unsaturated zone and the relation between MTBE in the atmosphere and shallow ground water: Water Resources Research, vol. 37, no. 2, p. 223-233. 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
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
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