Session: Critical Zone Studies of Soils and Weathering: Implications for Interpreting Climate and Landscapes of the Past

Monday, 6 October 2008: 1:30 PM

George R. Brown Convention Center, General Assembly Theater Hall A

Presiding:

Steven G. Driese and Lee C. Nordt

1:30 PM

Critical Zone Studies of Soils and Weathering: Implications for Interpreting Climate and Landscapes of the Past: Overview
Steven G. Driese, Baylor University; Lee C. Nordt, Baylor University

1:45 PM

205-2

Observations Emerging from a Network of Critical Zone Observatories: Shale Weathering at the Susquehanna-Shale Hills Observatory
Susan L. Brantley, Pennsylvania State University; Lixin Jin, Pennsylvania State Universtiy; Timothy White, Pennsylvania State University

2:00 PM

205-3

Mismatches Between Predicted and Observed Mineral Associations in Soils: Keys to Future Paleosol Interpretations
Oliver A. Chadwick, University of California

2:15 PM

205-4

Relict Soils: The Other Kind of Paleosol
Ronald Amundson, University of California, Berkeley; Oliver Chadwick, Univ of California; Warren Sharp; John Valley, Univ of Wisconsin; Angela Ebeling, University of California, Berkeley

2:30 PM

205-5

Soil-Geomorphology and the Reconstruction of Landscapes of the Past
Vance T. Holliday, University of Arizona; Leslie D. McFadden, Univ of New Mexico

2:45 PM

205-6

Interpreting Redoximorphic Features In Paleosols: What They Can and Cannot Tell Us about Ancient Climates
Michael J. Vepraskas, North Carolina State Univ; Debra S. Jennings, Baylor University

3:00 PM

205-7

Linking Ichnology and Paleopedology to Infer Landscape Evolution, Paleoenvironments, Paleohydrology, and Paleoclimate: Future Directions of Integrated Soil and Trace-Fossil Studies
Stephen T. Hasiotis, University of Kansas

3:15 PM

Break

3:30 PM

205-8

Reconstructing Pedogenic Processes, Weathering Environments, and Paleoclimate Using the Chemical Composition of Paleosols
Nathan D. Sheldon, University of Michigan

3:45 PM

205-9

Geochemical Trends along a Modern Vertisol Climosequence Applied to Vertic-Paleosols as Proxy for Physical-Chemical Colloidal Properties and Pedogenic Interpretations
Lee Nordt, Baylor University; Steven Driese, Baylor Univ

4:00 PM

205-10

Temperature Estimates of Soil Processes Based on δd and δ¹⁸O Values of Phyllosilicate: Implications for CO₂ Forcing of Atmospheric Surface Temperatures
Neil Tabor, Southern Methodist University; Craig Rasmussen, University of Arizona

4:15 PM

205-11

Scale and the Isotopic Record of C4 Plants In Pedogenic Carbonate—Biome to Rhizosphere
H. Curtis Monger, New Mexico State Univ; David R. Cole, Oak Ridge National Lab; Brenda Buck

4:30 PM

205-12

Seasonal Biases In δ¹³C Values of Soil and Cave Carbonates
Dan O. Breecker, Univ of New Mexico; Jay Quade, University of Arizona; T.B. Fischer, Penn State University; Leslie McFadden, University of New Mexico; Zachary D. Sharp, Univ of New Mexico

4:45 PM

205-13

Pedogenic Siderite as a Tool for Reconstructing Paleoprecipitation: A Decade of Research on Ancient Hydrologic Cycles and a New Research Frontier for Hydromorphic Soil Systems
Luis A. González, University of Kansas; Greg A. Ludvigson, University of Kansas

5:00 PM

205-14

A new proxy for paleosol carbon dioxide concentrations for use in estimating past atmospheric carbon dioxide
Gregory J. Retallack, University of Oregon

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205 P2. Critical Zone Studies of Soils and Weathering: Implications for Interpreting Climate and Landscapes of the Past(GSA Sedimentary Geology Division; S05 Pedology; GSA Quaternary Geology and Geomorphology Division; Society for Sedimentary Geology (SEPM))

205 P2. Critical Zone Studies of Soils and Weathering: Implications for Interpreting Climate and Landscapes of the Past
(GSA Sedimentary Geology Division; S05 Pedology; GSA Quaternary Geology and Geomorphology Division; Society for Sedimentary Geology (SEPM))