119 Symposium--Mineral/Organic Interactions Across Time and Space: III Molecular Scale

Oral Session
S02 Soil Chemistry The interactions of organic components with inorganic solid-phases is recognized as an important regulator of biogeochemical processes operating from the nano- to landscale scales. Organo-mineral interactions are implicated in carbon stabilization and persistence, in regulating mineral transformation rates, creating reactive surface sites and in structuring microbial communities. Here we seek to enhance collaborative connectivity between scientists studying these processes at the molecular and pedon or landscape scales. We propose a joint full-day symposium by S-9 and S-2 with potential co-sponsorship by S-3 and S-5. Examples of presentation topics include novel coupling of molecular, isotopic, or imaging techniques to quantify organo-mineral interactions to pedon or landscape studies of carbon or organic-mineral associations across pedogenic gradients, watersheds, and spatially-linked landscape sequences. Studies investigating spatial or temporal variation in organic-mineral interactions in micro or mesocosm space are equally encouraged.


Soil Biology & Biochemistry, Pedology, Soil Mineralogy, Soils & Environmental Quality
Monday, October 17, 2011: 2:30 PM-4:30 PM
Henry Gonzalez Convention Center, Room 212B

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Aaron Thompson and Nadine Kabengi
Aaron Thompson
3:00 PM
Iron-Organic Matter Coprecipitates: Reactivity and Morphology.
Masayuki Shimizu, Colorado State University; Martin Obst, University of Tübingen; Thomas Borch, Colorado State University
3:15 PM
Iron-Organic Matter Coprecipitates: Comparing Molar Enthalpies of Ion Exchange.
Nadine Kabengi, University of Kentucky; Masayuki Shimizu, Colorado State University; Thomas Borch, Colorado State University; Aaron Thompson, University of Georgia
3:30 PM
Copper and Zinc Speciation In Pig Slurry: Implications On Mobility and Bioavailability In Soils.
Samuel Legros, Universitat Wien; Emmanuel Doelsch, CIRAD; Armand Masion, CEREGE; Perinne Chaurand, CEREGE; Jerome Rose, CEREGE; Daniel Borschneck, CEREGE; Olivier Proux, ESRF; Herve Saint-Macary, CIRAD; Jean Yves Bottero, CEREGE
3:45 PM
Soil Manganese Redox Cycling In Suboxic Zones: Effects On Soil Carbon Stability.
Jonathan J. Maynard, U.S. Environmental Protection Agency; Mark G. Johnson, U.S. Environmental Protection Agency; Peter S. Nico, Lawrence Berkeley National Lab
4:00 PM
The Intimate Life of Soil Carbon.
Peter Nico, Lawrence Berkeley National Lab; Marco Keiluweit, Oregon State University; Markus Kleber, Oregon State University; Jennifer Pett-Ridge, Lawrence Livermore National Laboratory; Jeremy Bougoure, Lawrence Livermore National Laboratory; David Myrold, Oregon State University; Lydia Zeglin, Oregon State University
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