B43J:
Vulnerability of Permafrost Carbon to Climate Change IV

Thursday, 18 December 2014: 1:40 PM-3:40 PM
Chairs:  David Olefeldt, University of Guelph, Guelph, ON, Canada and Christina Schaedel, University of Florida, Gainesville, FL, United States
Primary Conveners:  Christina Schaedel, University of Florida, Gainesville, FL, United States
Co-conveners:  Anthony David McGuire, University of Alaska Fairbanks, Institute of Arctic Biology, Fairbanks, AK, United States and David Olefeldt, University of Alberta, Edmonton, AB, Canada
OSPA Liaisons:  Anthony David McGuire, Univ Alaska Fairbanks, Fairbanks, AK, United States

Abstracts Submitted to this Session:

1:40 PM
B43J-01
 
Hydrologic controls on the permafrost carbon-climate feedback
David M Lawrence, National Center for Atmospheric Research, Boulder, CO, United States, Charles D Koven, Lawrence Berkeley National Laboratory, Berkeley, CA, United States, Sean C Swenson, NCAR, Boulder, CO, United States, William J Riley, Lawrence Berkeley Natl Lab, Berkeley, CA, United States and Andrew G Slater, National Snow and Ice Data Center, Boulder, CO, United States
1:55 PM
B43J-02
 
The Vulnerability of Permafrost from 1960 to 2300 Based on Simulations of the Process-Based Model GIPL2 Across the Permafrost Region in the Northern Hemisphere: Implications for Soil Carbon Vulnerability
Sergey S Marchenko1, Dmitry Nicolsky1, Vladimir E Romanovsky1 and Anthony David McGuire2, (1)University of Alaska Fairbanks, Fairbanks, AK, United States, (2)University of Alaska Fairbanks, Institute of Arctic Biology, Fairbanks, AK, United States
2:10 PM
B43J-03
 
Terrestrial ecosystem model performance for net primary productivity and its vulnerability to climate change in permafrost regions
Jianyang Xia1, Anthony David McGuire2, David M Lawrence3, Eleanor Burke4, Xiaodong Chen5, Christine L Delire6, Charles D Koven7, Andrew H MacDougall8, Shushi Peng9, Annette Rinke10, Kazuyuki Saito11, Wenxin Zhang12, Ramdane Alkama6, Theodore J Bohn13, Philippe Ciais9, Bertrand Decharme6, Isabelle Gouttevin14, Tomohiro Hajima11, Duoying Ji15, Gerhard Krinner16, Dennis P Lettenmaier17, Paul A Miller12, John C Moore15, Ben Smith18, Tetsuo Sueyoshi19, Zheng Shi1, Liming Yan20, Junyi Liang1, Lifen Jiang1 and Yiqi Luo1, (1)University of Oklahoma Norman Campus, Norman, OK, United States, (2)Univ Alaska Fairbanks, Fairbanks, AK, United States, (3)National Center for Atmospheric Research, Boulder, CO, United States, (4)Met Office Hadley Centre, Exeter, United Kingdom, (5)University of Washington Seattle Campus, Seattle, WA, United States, (6)Unité mixte de recherche CNRS/Meteo-France, Toulouse cedex, France, (7)Lawrence Berkeley National Laboratory, Berkeley, CA, United States, (8)University of Victoria, Victoria, BC, Canada, (9)CEA Saclay DSM / LSCE, Gif sur Yvette, France, (10)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Potsdam, Potsdam, Germany, (11)JAMSTEC Japan Agency for Marine-Earth Science and Technology, Kanagawa, Japan, (12)Lund University, Physical Geography and Ecosystem Science, Lund, Sweden, (13)Arizona State University, Tempe, AZ, United States, (14)UJF–Grenoble 1/CNRS, LGGE, Grenoble, France, (15)Beijing Normal University, Beijing, China, (16)LGGE Laboratoire de Glaciologie et Géophysique de l’Environnement, Saint Martin d'Hères, France, (17)University of California Los Angeles, Los Angeles, CA, United States, (18)Lund University, Department of Physical Geography and Ecosystem Science, Lund, Sweden, (19)NIPR National Institute of Polar Research, Tokyo, Japan, (20)Fudan University, School of Biology, Shanghai, China
2:25 PM
B43J-04
 
The Influence of Organic-Soil Horizons on Thermal Dynamics in High-Latitude Soils: Identifying Thresholds for Permafrost State Change
Jonathan A ODonnell, National Park Service Fairbanks, Fairbanks, AK, United States, Jennifer W Harden, USGS California Water Science Center Menlo Park, Menlo Park, CA, United States and Vladimir E Romanovsky, University of Alaska Fairbanks, Fairbanks, AK, United States
2:40 PM
B43J-05
 
The Carbon in Arctic Reservoirs Vulnerability Experiment (CARVE) Measurements of Seasonal to Interannual Variability in Alaskan CO2 and CH4 Fluxes
Charles E Miller and Steven J Dinardo, Jet Propulsion Lab, Pasadena, CA, United States
2:55 PM
B43J-06
 
Enhanced Methane Concentrations over the East-Siberian Arctic Shelf: Explanation Hypothesis Based on the Analysis of Data from Land, Marine, and Satellite Observations.
Oleg A Anisimov and Vasily Kokorev, Russian State Hydrological Institute, St.Petersburg, Russia
3:10 PM
B43J-07
 
Modeled changes in terrestrial C storage on the Arctic coastal plain of Alaska suggest a mid-century 21st shift from C sink to source.
Colin Tucker1, Eugenie Susanne Euskirchen1, Helene Genet1, Anthony David McGuire2, Scott T Rupp3, Amy Lynn Breen3, Thomas A Kurkowski3, Alec Bennett3 and Gary Kofinas1, (1)University of Alaska Fairbanks, Fairbanks, AK, United States, (2)University of Alaska Fairbanks, Institute of Arctic Biology, Fairbanks, AK, United States, (3)University of Alaska Fairbanks, Scenarios Network for Alaska & Arctic Planning, Fairbanks, AK, United States
3:25 PM
B43J-08
 
Spatially Resolved Projections of Carbon Releases from Thawing Polygonal Tundra
Scott L Painter, Ethan Coon, Adam Lee Atchley, Dylan R Harp, John D Moulton, Eitan Shelef, Chonggang Xu and Cathy Jean Wilson, Los Alamos National Laboratory, Los Alamos, NM, United States
 
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