National Water-Quality Assessment (NAWQA) Program
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Showing results 826 to 851 of 2001.
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McMahon, P.B., 1995, Some bacteria are beneficial!: U.S. Geological Survey Fact Sheet 102-95, 2 p. Available Online
McMahon, P.B., 2012, Use of classes based on redox and groundwater age to characterize the susceptibility of principal aquifers to changes in nitrate concentrations, 1991 to 2010: U.S. Geological Survey Scientific Investigations Report 2012-5220, 41 p. Available Online
McMahon, Gerard, Wiken, E.B., and Gautier, D.A., 2004, Toward a scientifically rigorous basis for developing mapped ecological regions: Environmental Management, vol. 34 (Supplement 1), p. S111-S124. doi: 10.1007/s00267-004-0170-2 Available Online
McMahon, Gerard, Tervelt, Larinda, and Donehoo, William, 2007, Methods for Estimating Annual Wastewater Nutrient Loads in the Southeastern United States: U.S. Geological Survey Open-File Report 2007-1040, 81 p. Available Online
McMahon, Gerard, Gregonis, Steven M., Waltman, Sharon W., Omernik, James M., Thorson, Thor D., Freeouf, Jerry A., Rorick, Andrew H., and Keys, James E., 2001, Developing a spatial framework of common ecological regions for the conterminous United States: Environmental Management, vol. 28, no. 3, p. 293-316. Available Online
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
McMahon, Gerard, and Lloyd, Jr., Orville B., 1995, Water-quality assessment of the Albemarle-Pamlico Drainage Basin, North Carolina and Virginia-- Environmental setting and water-quality issues: U.S. Geological Survey Open-File Report 95-136, 72 p. Available Online
McMahon, Gerard, and Cuffney, Thomas, 2000, Quantifying urban intensity in drainage basins for assessing stream ecological conditions: Journal of the American Water Resources Association, vol. 36, no. 6, December 2000, p. 1247-1261. doi: 10.1111/j.1752-1688.2000.tb05724.x Available Online
McMahon, Gerard and Woodside, Michael D., 1997, Nutrient mass balance for the Albemarle-Pamlico Drainage Basin, North Carolina and Virginia, 1999: Journal of the American Water Resources Association, vol. 33, no. 3, June 1997, p. 573-589. doi: 10.1111/j.1752-1688.1997.tb03533.x Available Online
McMahon, Gerald, Alexander, R.B., and Qian, S., 2003, Support of Total Maximum Daily Load programs using spatially referenced regression models: ASCE Journal of Water Resources Planning and Management, vol. 129, no. 4, p. 315-329. doi: 10.1061/(ASCE)0733-9496(2003)129:4(315) Available Online
McMahon, Gerald and Roessler, Chris, 2002, A regression-based approach to understand baseline total nitrogen loading for TMDL planning: Proceedings of Water Environment Federation National TMDL Science and Policy 2002 Specialty Conference, Phoenix, Arizona, November 13-16,2002, 27 p.
McMahon, G., Harned, D., Douglas, R., Bell, A., Sadorf, E., Caire, T., Ippolito, F., DiLeo, J., Garcia, A.M., and Williams, N., 2010, The Effects of Urbanization on Stream Ecosystems (extended) Part II: Study Design: U.S. Geological Survey Multimedia Gallery Home Video 240, 5:12 minutes. Available Online
McMahon, G., Harned, D., Douglas, R., Bell, A., Sadorf, E., Caire, T., Ippolito, F., DiLeo, J., Garcia, A.M., and Williams, N., 2010, The Effects of Urbanization on Stream Ecosystems (extended) Part III: Study Results: U.S. Geological Survey Multimedia Gallery Home Video 241, 6:42 minutes Available Online
McMahon, G., Harned, D., Bell, A., Sadorf, E., Caire, T., Ippolito, F., Dileo, J., Garcia, A.M., and Williams, N., 2010, The Effects of Urbanization on Stream Ecosystems (extended) Part I: Introduction: U.S. Geological Survey Multimedia Gallery Home Video 239, 5:06 minutes. Available Online
McMahon, G., and Harned, D.A., 1998, Effect of environmental setting on sediment, nitrogen, and phosphorus concentrations in the Albemarle- Pamlico Drainage Basin, North Carolina and Virginia, USA: Environmental Management, vol. 22, no. 6, p. 887-903. Available Online
McMahon, G., 2007, Consequences of land-cover misclassification in models of impervious surface: Photogrammetric Engineering & Remote Sensing, vol. 73, no. 12, p. 1343-1353. Available Online
McKenzie, S.W., and Rinella, J.F., 1987, Surface-water-quality assessment of the Yakima River Basin, Washington: Project Description: U.S. Geological Survey Open-File Report 87-238, 35 p. Available Online
McKenzie, S.W., and Curtiss, D.A., 1989, Surface-water-quality assessment of the Yakima River Basin, Washington: A Pilot Study: U.S. Geological Survey Open-File Report 89-60, 6 p. Available Online
McCarthy, K.A., Rose, C.E., and Kalkhoff, S.J., 2012, Environmental settings of the South Fork Iowa River basin, Iowa, and the Bogue Phalia basin, Mississippi, 2006-10: U.S. Geological Survey Scientific Investigations Report 2012-5021, 22 p. Available Online
McCarthy, K.A., Lampe, D.C., and Capel, P.D., 2011, Discrete and continuous water-quality data and hydrologic parameters from seven agricultural watersheds in the United States, 2002-09: U.S. Geological Survey Data Series 603, 10 p. Available Online
McCarthy, K.A., and Johnson, H.M., 2009, Effect of agricultural practices on hydrology and water chemistry in a small irrigated catchment, Yakima River basin, Washington: U.S. Geological Survey Scientific Investigations Report 2009-5030, 22 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
McAuley, Steven D., 1995, National Water-Quality Assessment Program--The Allegheny-Monongahela River Basin: U.S. Geological Survey Fact Sheet 137- 95, 2 p. Available Online
McAuley, S.D., Brown, J.B., Sams III, J. I., 1997, National Water-Quality Assessment Program--The Allegheny-Monongahela River Basin: U.S. Geological Survey Open-File Report 97-246, 6 p. Available Online
McAuley, S.D., and Kozar, M.D., 2006, Ground-water quality in unmined areas and near reclaimed surface coal mines in the northern and central Appalachian coal regions, Pennsylvania and West Virginia: U.S. Geological Survey Scientific Investigations Report 2006-5059, 57 p. Available Online
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