Primary Conveners: Marion Syndonia Bret-Harte, University of Alaska Fairbanks, Fairbanks, AK, United States
Conveners: Jeffrey R White, Indiana Univ-Environ Sciences, Bloomington, IN, United States, Merritt R Turetsky, University of Guelph, Guelph, ON, Canada and Thomas A Douglas, Cold Regions Research and Engineering Laboratory Alaska, Fort Wainwright, AK, United States
Chairs: Merritt R Turetsky, University of Guelph, Guelph, ON, Canada and Thomas A Douglas, Cold Regions Research and Engineering Laboratory Alaska, Fort Wainwright, AK, United States
OSPA Liaisons: Merritt R Turetsky, University of Guelph, Guelph, ON, Canada
16:00
Controls of Methane Dynamics and Emissions in an Arctic Warming Experiment (73055)
Cecilie Skov Nielsen1, Bo Elberling1,2, Anders Michelsen1,3, Bjarne W Strobel4, Katrine Wulff1 and Imre Banyasz1, (1)Center For Permafrost (CENPERM), Department of Geosciences and Nature Management, University of Copenhagen, Copenhagen, Denmark, (2)University of Copenhagen, Copenhagen, Denmark, (3)Copenhagen University, Department of Biology, Copenhagen, Denmark, (4)Department of Plant and Environmental Sciences, University of Copenhagen, Copenhagen, Denmark
16:15
Sub-arctic Wetland Greenhouse Gases (CO2, CH4 & N2O) Emissions are Driven by Interactions of Environmental Controls and Herbivore Grazers (73147)
Kathy Kelsey1, A. Joshua Leffler2, Karen H. Beard3, Ryan T. Choi3, Jeffrey M Welker1 and YK Delta Phenology and Grazing Experiment, (1)University of Alaska Anchorage, Anchorage, AK, United States, (2)South Dakota State University, Brookings, SD, United States, (3)Utah State University, Wildland Resources, Logan, UT, United States
16:45
Spatiotemporal Trends in late-Holocene Fire Regimes in Arctic and Boreal Alaska (85166)
Tyler J Hoecker, University of Idaho, Moscow, ID, United States; University of Montana, Ecosystem and Conservation Sciences, Missoula, MT, United States and Fengsheng Hu, University of Illinois, Department of Plant Biology, Urbana, IL, United States
17:00
Impact of Climate and Fires on Abrupt Permafrost Thaw in Alaskan Tundra (81943)
Melissa L Chipman1, Courtney Reents1, Jonathan A Greenberg2 and Fengsheng Hu3, (1)University of Illinois at Urbana Champaign, Urbana, IL, United States, (2)University of Illinois at Urbana Champaign, Department of Geography and Geographic Information Science, Urbana, IL, United States, (3)University of Illinois, Department of Plant Biology, Urbana, IL, United States
17:15
The long-term perspective on the carbon balance of permafrost peatlands in the Holocene: implications for modern permafrost thaw (Invited) (79912)
Miriam Jones, U.S. Geological Survey., Reston, VA, United States, Jennifer W Harden, USGS Geological Survey, Menlo Park, CA, United States, Jonathan A. O'Donnell, National Park Service Anchorage, Anchorage, AK, United States and Kristen Manies, USGS Western Regional Offices Menlo Park, Menlo Park, CA, United States
17:30
Peatland carbon cycling and the implications of permafrost thaw; a chronosequence study. (59781)
David Olefeldt, University of Alberta, Edmonton, AB, Canada, Nicolas Pelletier, University of Montreal, Montreal, QC, Canada, Julie Talbot, University of Montreal, Département de géographie & Geotop, Montreal, QC, Canada, Christian Blodau, University of Münster, Münster, Germany and Merritt R Turetsky, University of Guelph, Guelph, ON, Canada
