397 Coupled Physical-Biogeochemical Processes Shaping Element Cycling In Soils and Sediments: I

Oral Session
SSSA Division: Soil Chemistry
This session highlights the importance of linked physical, chemical, and biological processes that drive element cycling within soils and sediments.

Soil Physics, Soil Biology & Biochemistry

Wednesday, November 6, 2013: 8:00 AM-11:45 AM
Tampa Convention Center, Room 24

Benjamin Kocar and Shawn Benner
Benjamin Kocar and Shawn Benner
8:00 AM
Introductory Remarks
8:05 AM
Soil Organic C Speciation in Surface and Subsurface Soils of North-South and West-East Transects of Continental United States: Carbon K-Edge Nexafs Spectroscopic Investigation.
Kang Xia, Virginia Tech; Li Ma, USDA-ARS Salinity Laboratory; Jude Moon, Virginia Tech; Mark A Williams, Virginia Tech; David B. Smith, U.S. Geological Survey, Denver Federal Center
8:25 AM
Mechanisms That Control Biomineralization of Carbonates in Porous Media.
Charles James Werth, University of Illinois; Rajveer Singh, Auburn University; Bruce Fouke, University of Illinois; Robert Allan Sanford, University of Illinois-Urbana-Champaign
8:55 AM
A Reactive Transport Module of Land Biogeochemistry in the Community Land Model: Description, Evaluation, and Application.
Jinyun Tang, Lawrence Berkeley National Laboratory; William Riley, Lawrence Berkeley National Laboratory; Charles Koven, Lawrence Berkeley National Laboratory; Zachary M Subin, Princeton University
9:25 AM
Water Table Effects On Fate of Carbon and Metals in Soil Columns.
Chumki Banik, Iowa State University; Willie Harris, University of Florida; Andrew V. Ogram, University of Florida; Vimala D. Nair, University of Florida; Matthew J. Cohen, University of Florida
9:45 AM
10:05 AM
Sulfur Speciation In Humic Acids and Sediments Along Salinity Gradients In Coastal Wetlands.
Negar Tafti, Louisiana State University; Jim J. Wang, Louisiana State University; Amitava Roy, Louisiana State University; Syam K. Dodla, Louisiana State University; Hashem Stietiya, The University of Jordan
10:25 AM
Estimating Ecosystem Nitrogen Retention Using Simple Analytical Models of Soil-Plant-Water Interactions.
Stefan Gerber, University of Florida; E.N. Jack Brookshire, Montana State University
10:45 AM
11:05 AM
Long-Term Cultivation Reduces Influence Of Flowpaths On Dissolved Organic Matter and Nitrate Dynamics.
Ehsan R Razavy Toosi, Michigan State University; Michael J. Castellano, Iowa State University; John P. Schmidt, Corteva Agriscienceâ„¢, Agriculture Division of DowDuPontâ„¢
11:25 AM
Stxm-Nexafs Spectromicroscopy Studies Of Intact Soil Microaggregates From a Tropical Agroecosystem.
Pavithra Sajeewani Pitumpe Arachchige, Kansas State University; Ganga M. Hettiarachchi, Kansas State University; Chammi P. Attanayake, Kansas State University; Chithra Karunakaran, Canadian Light Source; Charles W. Rice, Kansas State University
11:45 AM
Concluding Remarks