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| 56-1 | 8:00 AM | Rock to Regolith Conversion: Producing "User-Friendly" Material for Terrestrial Ecosystems: GRAHAM, Robert C., Soil & Water Sciences Program, Univ. of California, Riverside, CA 92521-0424, robert.graham@ucr.edu |
| 56-2 | 8:15 AM | Distinguishing Between Biogenic and Lithogenic Processes Controlling Mineral Nutrients In Soils: WHITE, Art, U. S. Geological Survey, 345 Middlefield Rd, MS 420, Menlo Park, CA 94025, afwhite@usgs.gov, SCHULZ, Marjorie, U.S. Geological Survey, 345 Middlefield Road MS420, Menlo Park, CA 94025, and VIVIT, Davison, U.S. Geological Survey, 345 Middlefield Rd., Building 15, Menlo park, CA 94025 |
| 56-3 | 8:30 AM | The Importance of Chemical Equilibrium in Controlling Chemical Weathering Rates: Insights from Reactive Transport Modeling of Soil Chronosequences: MAHER, Kate, Dept. of Geological and Environmental Science, Stanford University, Green Earth Sciences 253, 367 Panama St, Stanford, CA 94305, kmaher@stanford.edu, STEEFEL, Carl, Earth Sciences Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Mail Stop 90-1116, Berkeley, CA 94720, WHITE, Art, U. S. Geological Survey, 345 Middlefield Rd, MS 420, Menlo Park, CA 94025, and STONESTROM, David, US Geological Survey, 345 Middlefield Road MS-420, Menlo Park, CA 94025 |
| 56-4 | 8:45 AM | Response of Root Depth to Climate - a Hydrologist's View of the Critical Zone: GUSWA, Andrew J., Picker Engineering Program, Smith College, 51 College Lane, Northampton, MA 01063, aguswa@email.smith.edu |
| 56-5 | 9:00 AM | Rhizogenic Fe Redox Cycling: A Biogeochemical Process Linking Uplands and Wetlands: FIMMEN, Ryan L., Battelle - Environmental Restoration, 505 King Ave, Columbus, OH 43201, FimmenR@BATTELLE.ORG and RICHTER, Daniel deB., Nicholas School of Environment and Earth Sciences, Duke University, Box 90328, LSRC, Durham, NC 27708, drichter@duke.edu |
| 56-6 | 9:15 AM | Iron Mass Balance in a Chronosequence of Upland Soils: Surficial Accumulation Due to Biological Lifting of Mineral Iron: SCHULZ, Marjorie S., WHITE, Art F., FITZPATRICK, John, and BULLEN, Tom, US Geological Survey, 345 Middlefield Road MS 420, Menlo Park, CA 94025, mschulz@usgs.gov |
| 56-7 | 9:30 AM | The Imprint of Soil Biota Over Annual to Millennial Timescales: WILKINSON, Marshall, Department of Geography, University of Kentucky, 1457 Patterson Office Tower, Lexington, KY 40503, mwilk2@email.uky.edu and PIETSCH, Tim, Land and Water, CSIRO, GPO Box 1666, Canberra, ACT, 2601, Australia |
| | 9:45 AM | Break |
| 56-8 | 10:00 AM | Controls on 87Sr/86Sr of Plant- Available Ions and Soil Minerals across the Hawaiian Archipelago: CHADWICK, Oliver A., Univ California - Santa Barbara, 3611 Ellison Hall, Santa Barbara, CA 93106, oac@geog.ucsb.edu and DERRY, Louis A., Earth & Atmospheric Sciences, Cornell University, 2112 Snee Hall, Ithaca, NY 14817 |
| 56-9 | 10:15 AM | Quantitative Feedback Between the Rates of Soil Chemical Weathering and Colluvial Sediment Transport along a Hillslope Transect: YOO, Kyungsoo, Plant and Soil Sciences Dept. and Dept. of Geological Sciences, University of Delaware, 531 S. College Ave, Newark, DE 19716, kyoo@udel.edu, MUDD, Simon, Marius, School of GeoSciences, University of Edinburgh, Drummond Street, Edinburgh, EH8 9XP, United Kingdom, SANDERMAN, Jonathan, Earth and Planetary Sciences, UC Santa Cruz, 800 Buchanan Street, Room 2125, Albany, CA 94710, AMUNDSON, Ronald, Division of Ecosystem Sciences, U.C. Berkeley, Mulford Hall, Berkeley, CA 94720, and BLUM, Alex, USGS, Boulder, CO 80303 |
| 56-10 | 10:30 AM | Paper Withdrawn |
| 56-11 | 10:45 AM | Opposing Effects of Rainfall and Aerosol Washout on Soil Silicon Isotope Ratios: BERN, Carleton R.1, BRZEZINSKI, Mark2, BEUCHER, Charlotte2, and CHADWICK, Oliver A.3, (1) Dept. of Geography, UC Santa Barbara, Santa Barbara, CA 93106, cbern@usgs.gov, (2) Dept. of Ecology, Evolution & Marine Biology, UC Santa Barbara, Santa Barbara, CA 93106, (3) Univ California - Santa Barbara, 3611 Ellison Hall, Santa Barbara, CA 93106 |
| 56-12 | 11:00 AM | Organic Matter Composition and Soil Mineral Interactions across a Substrate Age Gradient in Hawai'i: KRAMER, Marc Gerald, Earth and Planetary Sciences, UC Santa Cruz, 1156 High Street, Santa Cruz, CA 95064, mkramer@es.ucsc.edu and CHADWICK, Oliver, Department of Geography, Univ of California, Santa Barbara |
| 56-13 | 11:15 AM | Using Rare Earth Element Signatures to Probe Cumulative Effects of Short-Term Biogeochemical Processes Over Long (0.3 – 4100 ky) Time Scales: THOMPSON, Aaron1, RUSHFORTH, Richard R.R.2, CHADWICK, Oliver3, and CHOROVER, Jon2, (1) Crop and Soil Sciences, Univeristy of Georgia, Athens, GA 30602, AaronT@uga.edu, (2) Department of Soil, Water and Environmental Science, University of Arizona, 525 Shantz Bldg, Tucson, AZ 85721-0038, (3) Department of Geography, Univ of California, Santa Barbara |
| 56-14 | 11:30 AM | Albite Dissolution Kinetics Under near-Equilbrium Conditions: OFFNER, Alexis1, ARVIDSON, Rolf S.2, and LUTTGE, Andreas2, (1) Department of Earth Science MS-126, Rice University, 6100 S Main Street, Houston, TX 77005, offner@rice.edu, (2) Dept. of Earth Science, Rice Univ, 6100 Main Street, Houston, TX 77005 |
| 56-15 | 11:45 AM | The Relationship Between Reactivity and Topography of Crystal Surfaces: FISCHER, Cornelius1, ARVIDSON, Rolf S.2, ZHANG, Li3, and LUTTGE, Andreas2, (1) Department of Earth Science MS-126, Rice University, 6100 South Main Street, Houston, TX 77005, cornelius@rice.edu, (2) Dept. of Earth Science, Rice Univ, 6100 Main Street, Houston, TX 77005, (3) Dept. of Earth Science, University of Southern California, Los Angeles, CA 90089 |
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