B12B:
Soil Organic Matter Dynamics: Novel Techniques, Big Data, and Functional Models II

Monday, 15 December 2014: 10:20 AM-12:20 PM
Chairs:  Rebecca T Barnes, Colorado College, Colorado Springs, CO, United States, Erika Marin-Spiotta, University of Wisconsin Madison, Madison, WI, United States and Biao Zhu, Lawrence Berkeley National Laboratory, Berkeley, CA, United States
Primary Conveners:  Lucas E Nave, University of Michigan, Ann Arbor, MI, United States
Co-conveners:  Christopher Swanston, USDA Forest Service, Houghton, MI, United States, Margaret S Torn, Berkeley Lab/UC Berkeley, Berkeley, CA, United States and Nancy J Hess, Pacific Northwest National Laboratory, Environmental Molecular Sciences Laboratory, Richland, WA, United States
OSPA Liaisons:  Nancy Cavallaro, USDA/NIFA, Washington, DC, United States

Abstracts Submitted to this Session:

10:20 AM
 
Above-Ground Litter-Derived C and N Stabilization in SOM: The Key Role of Dissolved Organic Matter Leaching and Litter Fragmentation
M Francesca Cotrufo1,2, Jennifer Soong1, Andrew J. Horton1, Eleonor E. Campbell1 and William J Parton3, (1)Colorado State University, Fort Collins, CO, United States, (2)University of Lancaster, Lancaster, United Kingdom, (3)Colorado State Univ, Fort Collins, CO, United States
10:35 AM
 
Composition and mean residence time of soil organic matter eroded from temperate, forested catchments: implications for erosion-induced carbon sequestration
Asmeret Aseafaw Berhe1, Emma Page McCorkle1, Erin Stacy1, Stephen C Hart1, Carolyn T Hunsaker2 and Dale William Johnson3, (1)University of California Merced, Merced, CA, United States, (2)USDA Forest Service, Ashland, OR, United States, (3)University of Nevada Reno, Reno, NV, United States
10:50 AM
 
Linking soil DOC production rates and transport processes from landscapes to sub-basin scales
Yong Qian Tian1, Qian Yu2, Jiwei Li2 and Changjiang Ye2, (1)Central Michigan University, Mount Pleasant, MI, United States, (2)Univ. of Massachusetts-Amherst, Amherst, MA, United States
11:05 AM
 
Sources and Reactivity of Terrestrial Organic Carbon to the Colville River Delta, Beaufort Sea, Alaska
Kathryn M Schreiner, University of Minnesota Duluth, Duluth, MN, United States, Thomas S Bianchi, University of Florida, Gainesville, FL, United States and Brad E Rosenheim, University of South Florida St. Petersburg, St Petersburg, FL, United States
11:20 AM
 
11:35 AM
 
Linking SOM Content, Chemistry, and Decomposition: Complex Responses to Input Manipulation and Long-term Incubation
Lorien Lily Reynolds1, Malak Tfaily2, Kristyn Roscioli3, Kate Lajtha4, Richard Bowden5, Bart R Johnson6 and Scott D Bridgham1, (1)University of Oregon, Eugene, OR, United States, (2)Pacific Northwest National Lab, Richland, WA, United States, (3)Pacific Northwest National Laboratory, Environmental Molecular Sciences Laboratory, Richland, WA, United States, (4)Oregon State University, Corvallis, OR, United States, (5)Allegheny College, Department of Environmental Science, Meadville, PA, United States, (6)University of Oregon, Landscape Architecture, Eugene, OR, United States
11:50 AM
 
Emergent SOM Dynamics Considering Interactions Between Microbial Physiology, Microbial Competition, Mineral Interactions, Vertical Transport, and Temperature
William J Riley1, Jinyun Tang2, Dipankar Dwivedi1, Margaret S Torn3, Federico Maggi4 and Markus Kleber5, (1)Lawrence Berkeley National Laboratory, Berkeley, CA, United States, (2)Lawrence Berkeley National Lab, Berkeley, CA, United States, (3)Berkeley Lab/UC Berkeley, Berkeley, CA, United States, (4)University of Sydney, School of Civil Engineering, Sydney, Australia, (5)Oregon State University, Corvallis, OR, United States
12:05 PM
 
EFFECTS OF LITTER AND NUTRIENT ADDITIONS ON SOIL CARBON CYCLING IN A TROPICAL FOREST
Daniela F Cusack1, Sarah Halterman1, Benjamin L Turner2, Edmund Tanner3 and S. Joseph Wright2, (1)University of California Los Angeles, Geography, Los Angeles, CA, United States, (2)Smithsonian Tropical Res Inst, Ancon, Panama, (3)University of Cambridge, Department of Plant Sciences, Cambridge, United Kingdom
 
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