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. 56
Monday, 6 October 2008: 8:00 AM-12:00 PM

J20. Soils through Time: Critical Zone Studies of Processes and Their Effects

GSA Quaternary Geology and Geomorphology Division; Geochemical Society; S05 Pedology

 

Marjorie S. Schulz, David Stonestrom and Daniel D. Richter Jr, Conveners/Advocates
Paper #
Start Time
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, robert.graham@ucr.edu
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, 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, afwhite@usgs.gov, afwhite@usgs.gov
3
8:30 AM
The Importance of Chemical Equilibrium in Controlling Chemical Weathering Rates: Insights from Reactive Transport Modeling of Soil Chronosequences
MAHER, Kate, Department of Geological Sciences, Stanford University, 450 Serra Mall, Building 320, Stanford, CA 94305, STEEFEL, Carl I., Earth Sciences Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, 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 Rd, Menlo Park, CA 94025, kmaher@stanford.edu, kmaher@stanford.edu
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, aguswa@email.smith.edu
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 and RICHTER, Daniel deB., Nicholas School of Environment and Earth Sciences, Duke University, Box 90328, LSRC, Durham, NC 27708, drichter@duke.edu, drichter@duke.edu
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.1, WHITE, Art F.2, FITZPATRICK, John2 and BULLEN, Tom2, (1)US Geological Survey, 345 Middlefield Road, Menlo Park, CA 94025, (2)US Geological Survey, 345 Middlefield Road MS 420, Menlo Park, CA 94025, mschulz@usgs.gov, mschulz@usgs.gov
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 and PIETSCH, Tim, Land and Water, CSIRO, GPO Box 1666, Canberra, ACT, 2601, Australia, mwilk2@email.uky.edu, mwilk2@email.uky.edu
 
9:45 AM
Break
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 and DERRY, Louis A., Earth & Atmospheric Sciences, Cornell University, Snee Hall, Ithaca, NY 14817, oac@geog.ucsb.edu, oac@geog.ucsb.edu
9
10:15 AM
Quantitative Feedback Between the Rates of Soil Chemical Weathering and Colluvial Sediment Transport along a Hillslope Transect
YOO, Kyungsoo, Soil, Water, and Climate, University of Minnesota, 1991 Upper Buford Circle, St. Paul, MN 55108, 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, kyoo@umn.edu, kyoo@umn.edu
10
10:30 AM
Withdrawn
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, (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, cbern@usgs.gov, cbern@usgs.gov
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 and CHADWICK, Oliver, Department of Geography, Univ of California, Santa Barbara, mkramer@es.ucsc.edu, mkramer@es.ucsc.edu
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, (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, AaronT@uga.edu, AaronT@uga.edu
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, (2)Dept. of Earth Science, Rice Univ, 6100 Main Street, Houston, TX 77005, offner@rice.edu, offner@rice.edu
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, (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, cornelius@rice.edu, cornelius@rice.edu
See more of: JOINT SESSIONS