111 Symposium--the Role of Pedology in Earth System Sciences: Studies of Soil Formation, Weathering, and Biogeochemistry in the Critical Zone: I

Oral Session
S05 Pedology

Studies of Soil Formation and Weathering in the Critical Zone includes the land surface, vegetation, and water bodies, and extends through the pedosphere, unsaturated vadose zone, and saturated groundwater zone. An array of important physical, chemical, and biological interfacial processes and reactions occur in the critical zone over a range of spatial and temporal scales. These processes impact mass and energy exchange necessary for biomass productivity, chemical recycling, and water storage. The symposium will explore research needs and opportunities involving four major questions: What processes in the Critical Zone control fluxes of carbon, particulates, and atmospherically reactive trace gases between the land surface and the atmosphere and how do these processes change over different timescales?; How do important biogeochemical processes and mechanisms at Critical Zone interfaces govern long-term sustainability of soil and water resources?; How do chemical and physical weathering processes impact the establishment of the Critical Zone and how is this weathering perturbed by global environmental change?


Pedology, Soil Mineralogy
Monday, November 1, 2010: 8:10 AM-12:15 PM
Hyatt Regency Long Beach, Regency Ballroom A, Third Floor

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Patrick Drohan
Eugene Kelly
8:10 AM
Introductory Remarks
9:05 AM
Interagency Perspectives On Investigations of the Critical Zone.
David Lesmes, U.S. Department of Energy; Michael Kuperberg, U. S. Department of Energy
10:10 AM
Case Study, Southern Sierra CZO.
Jan W. Hopmans, University of California; Roger Bales, Sierra Nevada Research Institute
10:30 AM
11:00 AM
Case Study: The Role of Pedology In Christina River Basin CZO.
Kyungsoo Yoo, University of Minnesota; Anthony Aufdenkampe, Stroud Water Research Center; Donald Sparks, University of Delaware
10:45 AM
11:20 AM
The Jemez River Basin - Santa Catalina Mountains Critical Zone Observatory (JRB-SCM CZO).
Jon Chorover, University of Arizona; Peter Troch, University of Arizona; Craig Rasmussen, University of Arizona; Paul Brooks, University of Arizona; Jon Pelletier, University of Arizona; Jennifer McIntosh, University of Arizona; Marcel Schaap, University of Arizona; Kathleen Lohse, University of Arizona; David Breshears, University of Arizona; Thomas Meixner, University of Arizona; Shirley Papuga, University of Arizona; Travis Huxman, University of Arizona
11:40 AM
12:00 PM
Biological Soil Crusts and the Fertile Island Effect: Soil-Geomorphic Insights From the Mojave Desert, USA.
Amanda Williams, University of Nevada, Las Vegas; Brenda Buck, University of Nevada - Las Vegas; Deborah Soukup, University of Nevada Las Vegas; Douglas Merkler, USDA
12:15 PM
Panel Discussion
12:30 PM
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