B43M
Vulnerability of Permafrost Carbon to Climate Change IV

Thursday, 17 December 2015: 13:40-15:40
2004 (Moscone West)
Primary Conveners:  Christina Schaedel, Northern Arizona University, Flagstaff, AZ, United States
Conveners:  Edward Schuur, Northern Arizona University, Flagstaff, AZ, United States and Cristian Estop-Aragones, University of Alberta, Edmonton, AB, Canada
Chairs:  Cristian Estop-Aragones, University of Exeter, College of Life and Environmental Sciences, Exeter, EX4, United Kingdom and Edward Schuur, Northern Arizona University, Flagstaff, AZ, United States
OSPA Liaisons:  Cristian Estop-Aragones, University of Exeter, College of Life and Environmental Sciences, Exeter, EX4, United Kingdom
13:40
B43M-01
Thermokarst terrain: pan-Arctic distribution and soil carbon vulnerability (Invited) (59780)
David Olefeldt1, Santonu Goswami2, Guido Grosse3, Daniel J Hayes4, Gustaf Hugelius5, Peter Kuhry5, Anthony David McGuire6, Vladimir E Romanovsky7, Britta Sannel5, Edward Schuur8 and Merritt R Turetsky9, (1)University of Alberta, Edmonton, AB, Canada, (2)Oak Ridge National Laboratory, Oak Ridge, TN, United States, (3)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Potsdam, Potsdam, Germany, (4)University of Maine, Orono, ME, United States, (5)Stockholm University, Stockholm, Sweden, (6)University of Alaska Fairbanks, Institute of Arctic Biology, Fairbanks, AK, United States, (7)University of Alaska Fairbanks, Fairbanks, AK, United States, (8)Northern Arizona University, Flagstaff, AZ, United States, (9)University of Guelph, Guelph, ON, Canada
13:55
B43M-02
Multscale Evidence of Large CO2 and CH4 Emissions from Permafrost During Spring Thaw in Northern Alaska (67635)
Naama Raz Yaseef1, Margaret S Torn1,2, David P Billesbach3, Yuxin Wu1, Timothy J Kneafsey1, Vladimir E Romanovsky4, David R. Cook5, Roisin Commane6, John Henderson7, Charles E Miller8 and Stan D Wullschleger9, (1)Lawrence Berkeley National Laboratory, Berkeley, CA, United States, (2)University of California Berkeley, Berkeley, CA, United States, (3)University of Nebraska Lincoln, Lincoln, NE, United States, (4)University of Alaska Fairbanks, Fairbanks, AK, United States, (5)Argonne National Laboratory, Argonne, IL, United States, (6)Harvard University, Cambridge, MA, United States, (7)Atmospheric and Environmental Research, Lexington, MA, United States, (8)NASA Jet Propulsion Laboratory, Pasadena, CA, United States, (9)Oak Ridge National Laboratory, Oak Ridge, TN, United States
14:10
B43M-03
Drivers and Estimates of Terrain Suitability for Active Layer Detachment Slides and Retrogressive Thaw Slumps in the Brooks Range and Foothills of Northwest Alaska, USA (67994)
Andrew Balser, Oak Ridge National Laboratory, Oak Ridge, TN, United States, Jeremy Jones, University of Alaska Fairbanks, Fairbanks, AK, United States and ARCSS-Thermokarst Team
14:25
B43M-04
Assessing the Contributions of Thermokarst and Thermal Erosion in Permafrost Feedbacks to Climate (Invited) (71217)
Merritt R Turetsky, University of Guelph, Guelph, ON, Canada
14:40
B43M-05
Seasonal variation of ecosystem respiration delta 13C in response to experimental permafrost thaw and vegetation removal in moist acidic tundra (64201)
Marguerite Mauritz1, Elaine Pegoraro1, Verity G Salmon2, Susan Natali3 and Edward Schuur1, (1)Northern Arizona University, Flagstaff, AZ, United States, (2)University of Florida, Biology, Ft Walton Beach, FL, United States, (3)Woods Hole Science Center Falmouth, Falmouth, MA, United States
14:55
B43M-06
Deeper winter snow reduces ecosystem C losses but increases the global warming potential of Arctic tussock tundra over the growing season. (75134)
Elena Blanc-Betes, University of Illinois (UIC), Chicago, IL, United States, Jeffrey M Welker, University of Alaska Anchorage, Anchorage, AK, United States, Nuria Gomez-Casanovas, University of Illinois at Urbana Champaign, Urbana, IL, United States and Miquel A Gonzalez-Meler, University of Illinois at Chicago, Chicago, IL, United States
15:10
B43M-07
Seasonal and interannual variations in boreal Alaskan methane and carbon dioxide fluxes using atmospheric measurements from the CARVE tower (61087)
Anna Karion, NOAA Boulder, ESRL, Boulder, CO, United States and CARVE Science Team
15:25
B43M-08
The Carbon in Arctic Reservoirs Vulnerability Experiment (CARVE): Five Years of Insights into the High Latitude Carbon Cycle (80565)
Charles E Miller, NASA Jet Propulsion Laboratory, Pasadena, CA, United States
 
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