B21M:
The Role of Fire in the Carbon Cycle: Quantification and Characterization of Emissions, Fluxes, and Sequestration Potential I

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Session ID#: 15362

Session Description:
Fire is one of the main perturbations in the Earth System, strongly impacting the global carbon cycle. Fire in the landscape (wildfires and prescribed fires) accelerates oxidation of carbon from vegetation and soil organic matter, leading to substantial carbon emissions. However, fire also transforms part of the biomass fuel into carbon forms with longer residence times in the environment (charcoal, black carbon, pyrogenic carbon, biochar). Furthermore, fire can lead to alterations in vegetation and soil dynamics.  

This interdisciplinary session aims to highlight and address uncertainties in key processes determining the role of fire in the carbon cycle; such as fuel consumption; trace gas and particulate emission factors; pyrogenic carbon production and fate in the atmosphere, soil, sediments and water; and post-fire vegetation and soil dynamics. We welcome contributions from the atmospheric, terrestrial and aquatic sciences communities, focusing on small, regional or global scales, and involving lab-, field- or modelling approaches.

Primary Convener:  Cristina Santin, Swansea University, Cardiff, CF5, United Kingdom
Conveners:  Andrew R Zimmerman, University of Florida, Geological Sciences, Ft Walton Beach, FL, United States, Stefan Doerr, Swansea University, Geography, Swansea, United Kingdom and Gavin R McMeeking, Handix Scientific, Boulder, CO, United States
Chairs:  Cristina Santin, Swansea University, Cardiff, CF5, United Kingdom and Andrew R Zimmerman, University of Florida, Geological Sciences, Ft Walton Beach, FL, United States
OSPA Liaison:  Cristina Santin, Swansea University, Cardiff, CF5, United Kingdom
Index Terms:

0414 Biogeochemical cycles, processes, and modeling [BIOGEOSCIENCES]
0428 Carbon cycling [BIOGEOSCIENCES]
0486 Soils/pedology [BIOGEOSCIENCES]
3390 Wildland fire model [ATMOSPHERIC PROCESSES]

Abstracts Submitted to this Session:

The Global Cycling of Pyrogenic Organic Matter – a Critical Synopsis (Invited) (151374)
Michael W I Schmidt, University of Zurich, Zurich, Switzerland
Incorrectly Interpreting the Carbon Mass Balance Technique Leads to Biased Emissions Estimates from Global Vegetation Fires (Invited) (172826)
Nicholas Charles Surawski1,2, Andrew L Sullivan2, Stephen H Roxburgh3, Mick Meyer4 and Phil J Polglase5, (1)CSIRO, Land and Water, Canberra, Australia, (2)CSIRO Canberra, Land and Water, Canberra, Australia, (3)CSIRO Canberra, Canberra, Australia, (4)CSIRO, Oceans and Atmosphere, Aspendale, Melbourne, Australia, (5)Australian National University, Fenner School of Environment & Society, Canberra, Australia
Quantifying Fire’s Impacts on Total and Pyrogenic Carbon Stocks in Mixed-Conifer Forests: Results from Pre- and Post-Fire Measurements in Active Wildfire Incidents (163627)
Jessica R Miesel1, Alicia L Reiner2, Carol M Ewell3, Jonathan Sanderman4, Bernardo Maestrini1 and Jaron Adkins5, (1)Michigan State University, Department of Forestry, East Lansing, MI, United States, (2)USDA Forest Service, Aiken, SC, United States, (3)USDA Forest Service, Sonora, CA, United States, (4)Woods Hole Research Center, Falmouth, MA, United States, (5)Utah State University, Department of Watershed Sciences, Logan, United States
Landform Position and Combustion Temperature as Controls of Decomposition of Pyrogenic Organic Matter (162682)
Rebecca Abney, University of California Merced, Life and Environmental Sciences, Merced, CA, United States and Asmeret Asefaw Asefaw Berhe, University of California Merced, Department of Life and Environmental Sciences, Merced, CA, United States
The use of remotely-sensed wildland fire radiation to infer the fates of carbon during biomass combustion – the need to understand and quantify a fire’s mass and energy budget (194078)
Matthew B Dickinson1, Mark A Dietenberger2, Evan A Ellicott, PhD3, Colin Hardy4, Andrew T Hudak5, Robert Kremens6, William Mathews7, Wilfrid Schroeder8, Alistair MS Smith9 and Eva Kristina Strand9, (1)USDA Forest Service, Delaware, OH, United States, (2)US Forest Service Madison, Madison, WI, United States, (3)University of Maryland College Park, Geographical Sciences, College Park, MD, United States, (4)US Forest Service Missoula, Missoula, MT, United States, (5)USDA Forest Service, Rocky Mountain Research Station, Moscow, United States, (6)Rochester Institute of Techno, Carlson Center for Imaging Science, Rochester, NY, United States, (7)University of Idaho, College of Natural Resources, Moscow, ID, United States, (8)NOAA, NESDIS Office of Satellite and Product Operations, College Park, MD, United States, (9)University of Idaho, Department of Forest, Rangeland, and Fire Sciences, Moscow, ID, United States
The Influence of Fuel Properties on Combustion Efficiency and the Partitioning of Pyrogenic Carbon (185748)
Shawn P Urbanski1, Stephen P Baker2, Emily Lincoln2 and Megan Richardson3, (1)USDA Forest Service, Rocky Mountain Research Station, Missoula, United States, (2)USFS Missoula Fire Sciences Laboratory, Missoula, MT, United States, (3)USDA Forest Service, Missoula, MT, United States
Fire, Carbon, and Greenhouse Gas Emissions from Aquatic Ecosystems in the Yukon-Kuskokwim River Delta (179610)
John D Schade1,2, McKenzie Ann Kuhn3, Dr. Paul James Mann4, Robert Max Holmes2, Susan Natali5, Sarah Ludwig2 and Sasha Wagner6, (1)St. Olaf College, Northfield, MN, United States, (2)Woods Hole Research Center, Falmouth, MA, United States, (3)University of Alberta, Department of Renewable Resources, Edmonton, Canada, (4)Northumbria University, Newcastle-Upon-Tyne, United Kingdom, (5)Woodwell Climate Research Center, Falmouth, United States, (6)Skidaway Institute of Oceanography, Savannah, GA, United States

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