Tuesday, November 14, 2006: 7:55 AM
Indiana Conv. Center, Room 122, First Floor
183: Symposium--Biogeochemical and Biophysico-Chemical Characterizations of Soil Microsite Processes
Sponsor:S02 Soil Chemistry
Presidings:Nancy Cavallaro, USDA/CSREES
Alvin Smucker, Michigan State Univ, Dept of Plants and Soils
Dean Hesterberg, North Carolina State Univ
7:55 AMIntroductory Remarks
8:00 AM3D synchrotron microtomography of soil micropores and biophysical implications. 
Stephan Peth, Christian Albrecht University, Rainer Horn, Christian Albrecht University, Alvin J.M. Smucker, Michigan State University
8:30 AMProtection of Organic Carbon in Soil Microaggregates Occurs via Restructuring of Aggregate Porosity and Filling of Pores with Accumulating Organic Matter.
John McCarthy, University of Tennessee, Jan Ilavsky, Argonne National Laboratory, Lawrence Mayer, Darling Marine Center, Julie Jastrow, Argonne National Laboratory, Edmund Perfect, University of Tennessee, Jie Zhuang, University of Tennessee
9:00 AMThe Colloidal Structure of Soils--Characterized by X-ray Spectromicroscropy. 
Jürgen Thieme, Institute of X-Ray Physics, University of Göttingen
9:30 AMDiscussion
9:45 AMBreak
10:00 AMChemical speciation of organic matter on mineral surfaces and in micro-pores using NEXAFS. 
Johannes Lehmann, Dept. of Crop & Soil, Dawit Solomon, Dept. of Crop & Soil, James Kinyangi, Dept. of Crop & Soil
10:30 AMSpatially-Variable Redox Processes in Soils. 
Dean Hesterberg, North Carolina State University, Michael Vepraskas, NC State University
11:00 AMIs soil complex enough?.
John W. Crawford, University of Abertay Dundee, Xiaoxian Zhang, University of Abertay Dundee, Iain M. Young, University of Abertay Dundee
11:30 AMRelationships between the speciation of sulfur and iron in oxic and anoxic soils and soil aggregates as revealed by synchrotron-based X-ray spectromicroscopy. 
Joerg Prietzel, Chair of Soil Science, Technische Universität München, Nora Tyufekchieva, Chair of Soil Science, Technische Universität München, Karin Eusterhues, Chair of Soil Science, Technische Universität München, Jürgen Thieme, Institute of X-Ray Physics, University of Göttingen, Diane Eichert, ID 21, European Synchrotron Radiation Facility, David Paterson, Advanced Photon Source, Argonne National Laboratory
11:45 AMDiscussion
12:00 PMLunch
1:15 PMEnhanced Allocation of Root-Derived Lignin and Aliphatic Biopolymers to Soil Organic Matter under Elevated Atmospheric CO2 in the Sweetgum Free Air CO2 Enrichment (FACE) Experiment.
Timothy Filley, Purdue University, EAS Dept., Julie Jastrow, Argonne National Laboratory, Sarah L. O'Brien, University of Illinois at Chicago, Thomas W. Boutton, Dept. of Rangeland Ecology & Management
1:45 PMThe Biological Availability of Nonpolar Organic Compounds Adsorbed by Soil Organic Matter Colloids. 
William Bleam, "Dept.Soil Sci., Univ. Wisconsin", William Hickey, Dep. of Soil Sci., Dominic Vacca, Bioremediation Consulting Incorporated, Eun Gyeong Kim, University of Wisconsin
2:00 PMEffect of natural organic matter on the surface and adsorptive properties of char particles in soil. 
Joseph Pignatello, Connecticut Agricultural Experiment, Seokjoon Kwon, Connecticut Agricultural Experiment, Yuefeng Lu, Connecticut Agricultural Experiment
2:30 PMPanel Discussion
2:50 PMConcluding Remarks
2:55 PMAdjourn

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