2008 Joint Meeting of The Geological Society of America, Soil Science Society of America, American Society of Agronomy, Crop Science Society of America, Gulf Coast Association of Geological Societies with the Gulf Coast Section of SEPM
Session No. 347 Thursday, 9 October 2008
8:00 AM-12:00 PM, George R. Brown Convention Center: 310BE

T124. Roles of Speciation and Molecular Structure in Soil Processes (Gulf Coast Association of Geological Societies)

Owen Duckworth and Alan T. Stone, Presiding
 Paper #Start Time
347-18:00 AM Molecular Modeling of Surface Complexes: KUBICKI, James D., Dept. of Geosciences, The Pennsylvania State University, 335 Deike Bldg, University Park, PA 16802-2712, kubicki@geosc.psu.edu
347-28:15 AM Redox Chemistry and Transformation of Arsenic and Selenium in Agricultural Drainage Disposal Ponds: GAO, Suduan, San Joaquin Valley Agricultural Sciences Center, USDA-ARS, 9611 S. Riverbend Ave, Water Management Research Unit, PArlier, CA 93648, Suduan.Gao@ars.usda.gov and RYU, Ji-hun, Hydrologic Science, Desert Research Institute, 2215 Raggio Pkwy, Reno, NV 89512-1095
347-38:30 AM Mechanisms of Uranium Reduction In the Subsurface: DENG, Baolin and HUA, Bin, Department of Civil and Environmental Engineering, University of Missouri-Columbia, Columbia, MO 65211, dengb@missouri.edu
347-48:45 AM Fe Crust In Spodosols. A Chemical Barrier towards Many Groundwater Contaminants: CHARLET, Laurent, Earth and Planetary Science Department (LGIT-OSUG), Universite Joseph Fourier, BP 53, 38041 Grenoble, Grenoble 38041 France, laurent.charlet@ujf-grenoble.fr
347-59:05 AM Reactions of Organic Acids at the Water-Mineral Interface: Competitive Adsorption and Dissolution Reactions at a Molecular Level: PERSSON, Per, LINDEGREN, Malin, and LORING, John S., Department of Chemistry, Umea University, Linnaeus v. 6, Umea, SE-90187, Sweden, Per.Persson@chem.umu.se
347-69:25 AM Chelating Agent Structure-Reactivity Relationships Pertaining to Metal Ion Uptake by Grasses: STONE, Alan T.1, BOLAND, Nathan E.1, and CHANEY, Rufus L.2, (1) Department Geography and Environmental Engineering, Johns Hopkins University, G.W.C. Whiting School of Engineering, 313 Ames Hall, 3400 North Charles Street, Baltimore, MD 21218, astone@jhu.edu, (2) Environmental Management & By-Products Utilization Laboratory, USDA-Agricultural Research Service, Building 007, BARC-West, Beltsville, MD 20705
347-79:40 AM Sorption of Iron from Siderophore Complexes by Mn Oxides: DUCKWORTH, Owen, Soil Science, NCSU, 101 Derieux St, Raleigh, NC 27695, owen_duckworth@ncsu.edu, BARGAR, John R., Stanford Synchrotron Radiation Lightsource, 2575 Sand Hill Rd, Menlo Park, CA 94025, and SPOSITO, Garrison, Division of Ecosystem Science, University of California-Berkeley, Berkeley, CA 94720-3114
347-89:55 AM Dissolved Organic Carbon in High Arctic Soil Water: The Influence of Periglacial Features and Ecology on Chemical Structure: KENNELL, Thomas J., Department of Earth and Space Sciences, University of Washington, Box 351310, Seattle, WA 98195-1310, tjk4@u.washington.edu, SLETTEN, Ronald S., Quaternary Research Center, Univ of Washington, 19 Johnson Hall, University of Washington Box 351360, Seattle, WA 98195, and HAGEDORN, Birgit, Applied Science and Technology Laboratory, University of Alaska Anchorage, 3211 Providence Drive, Anchorage, AK 99508

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