Tuesday, November 6, 2007: 9:25 AM
Convention Center, Room 221, Second Floor
180: Soil Structure and Hydraulic Properties
Sponsor:S01 Soil Physics
Presiding:Horst Gerke, Center-Ag Landscape/Land Use Res.
9:25 AM Introductory Remarks
9:30 AM180-1Cracking Behavior across a Landscape of Shrink-Swell Soil.
Cristine L.S. Morgan, Texas A&M Univ., Andrea Kishné, Texas A&M University
9:45 AM180-23D Optical Scanning for Non-Contact Soil Clod Shrinkage Curve Determination.
Horst Gerke, Center-Ag Landscape/Land Use Res., Till Sander, Center-Ag Landscape/Land Use Res.
10:00 AM180-3Unsaturated Hydraulic Conductivity of Aggregated Soils Under Compression.
Markus Berli, Desert Research Institute, Andrea Carminati, Helmholtz Centre for Environmental Research, Teamrat Ghezzehei, Lawrence Berkeley National Laboratory, Dani Or, EPFL Ecole Polytechnique Federale
10:15 AM180-4Modeling Hydromechanics of the Rhizosphere.
Teamrat Ghezzehei, Lawrence Berkeley National Lab
10:30 AM180-5A Conceptual Model to Quantify Plant Root Induced Changes in Soil Hydraulic Conductivity and Water Retention.
Craig Scanlan, University of Western Australia, Christoph Hinz, AUSTRALIA, Univ. of W. Australia
10:45 AM180-6Porous Media Water Retention in Microgravity: The ISS ORZS Experiment.
Robert Heinse, Utah State University, Scott Jones, Utah State University, Dani Or, EPFL Ecole Polytechnique Federale, T. Shane Topham, Space Dynamics Laboratory, Igor G. Podolskiy, Institute of Biomedical Problems, Gail E. Bingham, Space Dynamics Laboratory
11:00 AM Break
11:15 AM180-7Measurement of Soil Water Diffusivity on Intact Soil Cores.
David Matthew Deery, CSIRO Plant Industry, John Passioura, CSIRO Plant Industry, Asitha Katupitiya, Charles Sturt University, Jason Condon, Charles Sturt University
11:30 AM180-8Multilayer Diffusion Model and Apply to Gas Diffusion apparatus.
Gang Liu, China agricultural university,, Bing Cheng Si, University of Saskatchewan
11:45 AM180-9New Pedotransfer Functions for Estimating Soil Hydraulic Parameters Using the Support Vector Machines Method.
Navin Kumar Twarakavi, University of california-Riverside, Jirka Simunek, University of California-Riverside
12:00 PM180-10Water Retention Properties along a Carbon Dioxide/Temperature Gradient.
Daniel Giménez, Rutgers, The State University of New Jersey, Hyen Chung Chun, Rutgers, The state university of New jersey, Lewis Ziska, USDA-ARS, Richard Heck, University of Guelph
12:15 PM Adjourn

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