B32E:
Soil Organic Matter Dynamics: Processes of Stabilization and Decomposition IV

Session ID#: 4462

Wednesday, 17 December 2014: 10:20 AM-12:20 PM
2003 (Moscone West)
Chairs:  Katherine A Heckman, USDA Forest Service, Northern Institute of Applied Climate Science, Vallejo, CA, United States and Corey R Lawrence, US Geological Survey, Geosciences and Environmental Change Science Center, Denver, United States
Primary Convener:  Kate Lajtha, Oregon State University, Corvallis, OR, United States
Co-conveners:  Marc G Kramer, University of Florida, Soil and Water Science Department, Ft Walton Beach, FL, United States, Jennifer Y King, University of California Santa Barbara, Santa Barbara, CA, United States and Katherine A Heckman, USDA Forest Service, Northern Institute of Applied Climate Science, Vallejo, CA, United States
OSPA Liaison:  Nancy Cavallaro, USDA/NIFA, Washington, DC, United States
Co-Sponsor(s):
  • GC - Global Environmental Change
Virtual Option?: No
Swirl Theme: Global Soils

Abstracts Submitted to this Session:

Interactions Between Mineral Surfaces, Substrates, Enzymes, and Microbes Result in Hysteretic Temperature Sensitivities and Microbial Carbon Use Efficiencies and Weaker Predicted Carbon-Climate Feedbacks (Invited) (4723)
William J Riley, Lawrence Berkeley National Laboratory, Berkeley, CA, United States and Jinyun Tang, Lawrence Berkeley National Lab, Berkeley, CA, United States
Elucidating the Physical and Chemical Structural Changes of Proteins on Clay Mineral Surfaces using Large-scale Molecular Dynamics Simulations in Tandem with NMR Spectroscopy (27154)
Amity Andersen1, Niranjan Govind1, Nancy Washton1, Patrick N Reardon1, Stephany Soledad Chacon2, Sarah Burton1, Andrew Lipton1, Markus Kleber3 and Nikolla P Qafoku4, (1)Pacific Northwest National Laboratory, Environmental Molecular Sciences Laboratory, Richland, WA, United States, (2)University of California Merced, Life and Environmental Sciences, Merced, United States, (3)Oregon State University, Corvallis, OR, United States, (4)Pacific Northwest Natl Lab, Richland, WA, United States
Response of Microbial Soil Carbon Mineralization Rates to Oxygen Limitations (Invited) (3610)
Marco Keiluweit1, Amanda Denney1, Peter S Nico2 and Scott E Fendorf3, (1)Stanford University, Stanford, CA, United States, (2)Lawrence Berkeley National Laboratory, Earth and Environmental Sciences Area, Berkeley, United States, (3)Stanford University, Department of Earth System Science, Stanford, United States
Linking Intra-Aggregate Pore Size Distribution with Organic Matter Decomposition Status, Evidence from FTIR and X-Ray Tomography (11401)
Ehsan R Toosi1, Michelle Quigley1 and Alexandra N Kravchenko2, (1)Michigan State University, Department of Plant, Soil and Microbial Sciences, East Lansing, MI, United States, (2)Michigan State University, Department of Plant, Soil, and Microbial Sciences, East Lansing, MI, United States
Association of soil organic matter with metal phases examined by selective dissolution approach: limitations and advantages (28153)
Rota Wagai, NIAES National Institute for Agro-Environmental Sciences, Tsukuba, Japan and Lawrence M Mayer, Univ Maine, Walpole, ME, United States
Response of Soil Temperature to Climate Change in the CMIP5 Earth System Models (19202)
Claire Louise Phillips, Oregon State University, Department of Crops and Soil Science, Corvallis, OR, United States, Margaret S Torn, Berkeley Lab/UC Berkeley, Berkeley, United States and Charles D Koven, Lawrence Berkeley National Laboratory, Berkeley, CA, United States
Why is Mineral-Associated Organic Matter Enriched in 15N? Evidence from Grazed Pasture Soil (14565)
W Troy Baisden1, Naomi S Wells2, Paul L Mudge3, Timothy J Clough4, Louis A Schipper5, Anwar Ghani6 and Bryan Stevenson3, (1)GNS Science-Institute of Geological and Nuclear Sciences Ltd, Lower Hutt, New Zealand, (2)Helmholtz Centre for Environmental Research UFZ Halle, Halle, Germany, (3)Landcare Research, Hamilton, New Zealand, (4)Lincoln University, Lincoln, New Zealand, (5)University of Waikato, Hamilton, New Zealand, (6)AgResearch, Hamilton, New Zealand
Linking Pyrogenic Organic Matter Reactivity in Soil to its Charring Temperature and Wood Source (Invited) (31266)
Timothy R Filley1, Christy Dominique Gibson2, Pierre-Joseph Hatton3, Keyvan Dastmalchi4, Subhasish Chatterjee4, Knute John Nadelhoffer5, Ruth E Stark4 and Jeffrey Bird3, (1)The University of Oklahoma, Department of Geography and Environmental Sustainability, Norman, United States, (2)University of Illinois at Urbana Champaign, Center for Advanced Bioenergy & Bioproducts Innovation, Urbana, United States, (3)CUNY Queens College, New York, NY, United States, (4)City University of New York, Department of Chemistry, New York, NY, United States, (5)Univ of Mich- Eco & Evol Bio, Ann Arbor, MI, United States
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