B034
Microbial sources and sinks of volatile organic compounds (VOCs)

Session ID#: 161872

Session Description:
Biological volatile organic compounds (VOCs) play key roles in atmospheric chemistry, biogeochemistry, and ecological interactions. While most attention has focused on plant VOCs, microbial VOC metabolism and cycling is far less understood. Soil microbial VOC sources and sinks compete with plant emissions in some ecosystems, and VOCs from oceans and inland waters impact atmospheric chemistry and water quality. However, microbial VOC cycling is often overlooked across environments. This knowledge gap surrounding microbial sources and sinks of VOCs represents an exciting research frontier in biogeosciences.

This session will bring together researchers studying microbial VOC sources and sinks in the environment. We welcome submissions on the role of VOCs in microbial metabolism and interkingdom ecological interactions within and across ecosystem compartments (e.g., soil, subsurface, phyllosphere, benthic, pelagic) and in response to environmental change. We will showcase advances in microbial VOC measurements and analysis to address outstanding questions in global VOC cycling and its implications for trophic interactions and the cycling and stabilization of organic matter across Earth’s ecosystems.

Index Terms:

0414 Biogeochemical cycles, processes, and modeling [BIOGEOSCIENCES]
0426 Biosphere/atmosphere interactions [BIOGEOSCIENCES]
0465 Microbiology: ecology, physiology and genomics [BIOGEOSCIENCES]
0490 Trace gases [BIOGEOSCIENCES]

Primary Convener:  Laura K Meredith, University of Arizona, School of Natural Resources and the Environment, Tucson, AZ, United States
Conveners:  Eoin Brodie, Lawrence Berkeley National Laboratory, Earth and Environmental Sciences Area, Berkeley, CA, United States, Jordan Krechmer, Aerodyne Research Inc., Billerica, United States and Kolby Jardine, Lawrence Berkeley National Laboratory, Berkeley, CA, United States
Student/Early Career Convener:  Jordan Krechmer, Aerodyne Research Inc., Billerica, United States
 
Real-time Online Analysis of Soil Isoprene Diffusion: Drivers of Biotic Consumption and Implications for Using Biogenic Volatile Organic Compounds as Biomarkers of Soil Health (1116622)
Parker Geffre1, Jordan Krechmer2, David H Hagan3, Eben Cross4, Joseph R Roscioli5, Juliana Gil-Loaiza6, Joe Palmo4, Linnea K Honeker7 and Laura K Meredith6, (1)University of Arizona, College of Science, Tucson, AZ, United States, (2)University of Colorado at Boulder, Boulder, United States, (3)QuantAQ, Somerville, MA, United States, (4)QuantAQ, Somerville, United States, (5)Aerodyne Research, Inc., Billerica, United States, (6)University of Arizona, School of Natural Resources and the Environment, Tucson, AZ, United States, (7)University of Arizona, Tucson, AZ, United States
 
Improving Biological Fidelity of Arctic Greenhouse Gas Emissions from Permafrost (1194229)
Chuck Smallwood1, Phillip Miller1, Jason Sammon2, Joshua Whiting2, James Ricken2, Katey M Walter Anthony3, Jenna Schambach2, Nicholas Hasson4, Chris Maio5, André Pellerin6, Orit Sivan7, Elijah Miller8, Effie Eliani9, Tyler R Jones10, Kevin Rozmiarak11, Jessica Kustas2, Haley Monteith2, Tessily Hogancamp2 and Stephanie Kolker2, (1)Sandia National Laboratories, Albuquerque, NM, United States, (2)Sandia National Laboratories, Albuquerque, United States, (3)University of Alaska Fairbanks, Water and Environmental Research Center, Fairbanks, AK, United States, (4)University of Alaska Fairbanks, Fairbanks, AK, United States, (5)University of Alaska Fairbanks, Alaska Coastal Geoscience Lab, Fairbanks, AK, United States, (6)Institut des Sciences de la Mer de Rimouski, Rimouski, Canada, (7)Ben Gurion University, Beer Sheva, 84105, Israel, (8)University of Colorado at Boulder, Boulder, United States, (9)Ben-Gurion University of the Negev, Beer Sheva, Israel, (10)Institute of Arctic and Alpine Research, Environmental Studies - ENVS, Boulder, CO, United States, (11)University of Colorado, Institute of Arctic and Alpine Research, Boulder, CO, United States
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