738 Symposium --Seeing Into the Soil: Noninvasive Characterization of Biophysical Processes in the Soil Critical Zone: I

Oral Session
S01 Soil Physics
This symposium emphasizes on innovative use of indirect measurement methods to improve our understanding of the interacting physical and biological processes in the soil vadose zone. Methods include: Geophysical methods, radiography and computer aided tomography (X-ray, NMR, neutron) techniques, advanced air and space borne imaging. The symposium focus on advances in measurement interpretation through linking hydrological, biological, and instrument response models at different scales. We aim to highlight recent and expected future advances in non-invasive measurement techniques and improved interpretation of these measurements through coupled process and instrument modeling that promise to advance our understanding of biophysical soil processes.
Wednesday, 8 October 2008: 9:25 AM-12:15 PM
George R. Brown Convention Center, 361AB

Ty Ferre and Dani Or
9:25 AM
Introductory Remarks
9:30 AM
Bacterial Growth Habits in the Soil Critical Zone and Importance to Biophysical Processes.
Patricia Holden, Univ. of California, Santa Barbara; Mary Firestone, Univ. of California, Berkeley
9:55 AM
Imaging and Interpretation of Soil-Plant-Water Processes.
Sascha Oswald, Helmholtz Centre for Environmental Research – UFZ
10:20 AM
Using Geophysical Measurements to Infer Subsurface Vegetation Patterns and Processes.
Kelly Caylor, Princeton University; Trenton Franz, Princeton University
10:45 AM
Tree Root Morphology Mapping by Non-Invasive Ground-Penetrating Radar.
Anthony N. Mucciardi, University of Maryland (College Park); Kevin H. Gormally, University of Maryland (College Park)
11:00 AM
11:15 AM
Heterogeneous World Underfoot: Visualizing Soil-Water Interactions in the Critical Zone.
Henry Lin, Pennsylvania State Univ.; Jun Zhang, The Pennsylvania State University; Kenneth Takagi, The Pennsylvania State University; Lifang Luo, The Pennsylvania State University; Qing Zhu, The Pennsylvania State University; Danielle Andrews, The Pennsylvania State University; James Doolittle, USDA-NRCS
11:30 AM
Digital Soil Classification of Proximal and Remotely Sensed Data at the Field Level.
John Triantafilis, The University of New South Wales; Sam Mostyn Buchanan, The University of New South Wales; Belinda Kerridge, The University of New South Wales
11:45 AM
Computed Tomographic Analysis of Soil Pore Characteristics for Agroforestry and Grass Buffers in a Grazed Pasture System.
Sandeep Kumar, University of Missouri-Columbia; Stephen Anderson, Dep. of Soil, Environmental and Atmospheric Sciences; Ranjith Udawatta, Center for Agroforestry
12:00 PM
Saturated Hydraulic Conductivity as Affected by the Macropore Continuity Inferred From CT Scan Data.
Andrey Guber, USDA-ARS; Markus Tuller, University of Arizona; Miguel Angel Martin, Technical University of Madrid; Fernando San Jose Martinez, Technical University of Madrid; Yakov Pachepsky, USDA-ARS
12:15 PM
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