B33G:
Biogeochemistry of Arctic Atmosphere, Terrestrial, Freshwater, and Coastal Systems I
Wednesday, 17 December 2014: 1:40 PM-3:40 PM
Chairs: Marion Syndonia Bret-Harte, University of Alaska Fairbanks, Fairbanks, AK, United States and Maria Tzortziou, CUNY City College, New York, NY, United States
Primary Conveners: Kimberly Wickland, US Geological Survey, Boulder, CO, United States
Co-conveners: Marion Syndonia Bret-Harte, University of Alaska Fairbanks, Fairbanks, AK, United States and Maria Tzortziou, CUNY City College, New York, NY, United States
OSPA Liaisons: Kimberly Wickland, USGS, National Research Program, Baltimore, MD, United States
Abstracts Submitted to this Session:
1:40 PM
The Role of Snow Cover on Surface Trace Gas Exchanges at Toolik Lake, AK
Detlev Helmig1, Daniel Obrist2, Chris Moore2, Brie Van Dam1, Jacques Hueber1, Timothy Molnar1, Mark W Williams1, Louisa J Kramer3, Paul V Doskey4 and Xavier Fain5, (1)University of Colorado at Boulder, Institute of Arctic and Alpine Research, Boulder, CO, United States, (2)Desert Research Institute, Reno, NV, United States, (3)Michigan Technological University, Houghton, MI, United States, (4)Michigan Tech University, Department of Civil and Environmental Engineering, Houghton, MI, United States, (5)Univ. Grenoble Alpes / CNRS, Laboratoire de Glaciologie et Géophysique de l’Environnement (LGGE), Grenoble, France
1:55 PM
Long-Term Release of Carbon Dioxide from Arctic Tundra Ecosystems in Northern Alaska
Eugenie Susanne Euskirchen1, Marion Syndonia Bret-Harte1, Colin Edgar1 and Gaius R Shaver2, (1)University of Alaska Fairbanks, Fairbanks, AK, United States, (2)Marine Bio Lab, Woods Hole, MA, United States
2:40 PM
Sources and Fluxes of Atmospheric Methane from Lakes in the Alaskan Arctic
Amy Townsend-Small1, Frida Akerstrom1, Kenneth M Hinkel1, Christopher D Arp2, Richard A Beck3, Guido Grosse4, Benjamin M Jones5, Changjoo Kim1, John D Lenters6, Hongxing Liu1 and Wendy R Eisner7, (1)University of Cincinnati, Cincinnati, OH, United States, (2)University of Alaska Fairbanks, Anchorage, AK, United States, (3)University of Cincinnati Main Campus, Cincinnati, OH, United States, (4)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Potsdam, Potsdam, Germany, (5)USGS Alaska Science Center, Anchorage, AK, United States, (6)LimnoTech, Ann Arbor, MI, United States, (7)Univ Cincinnati, Cincinnati, OH, United States
2:55 PM
Methane and Carbon Cioxide Emissions from 40 Lakes Along a North-South Latitudinal Transect in Alaska
Katey M Walter Anthony1, Armando Sepulveda-Jauregui1, Peter Anthony2, Guido Grosse3 and Jeffrey Chanton4, (1)University of Alaska Fairbanks, Water and Environmental Research Center, Fairbanks, AK, United States, (2)University of Alaska Fairbanks, Fairbanks, AK, United States, (3)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Potsdam, Potsdam, Germany, (4)Florida State Univ, Tallahassee, FL, United States
3:10 PM
Carbon evasion from surface waters in Alaska
David E Butman, University of Washington, School of Forestry & Environmental Sciences, Seattle, WA, United States, Sarah M Stackpoole, USGS, Baltimore, MD, United States, David W Clow, USGS Colorado Water Science Center Denver, Denver, CO, United States, Robert G Striegl, USGS WRD, Boulder, CO, United States and Kristine L Verdin, U.S. Geological Survey, Boulder, CO, United States
3:25 PM
Carbon Cycling in Permafrost Aquatic Systems of Bylot Island, Eastern Canadian Arctic
Frederic Bouchard1,2, Vilmantas Preskienis1,2, Isabelle Laurion1,2 and Daniel Fortier1,3, (1)Centre d'études nordiques, Québec, QC, Canada, (2)Institut National de la Recherche Scientifique-Eau Terre Environnement INRS-ETE, Quebec City, QC, Canada, (3)University of Montreal, Montreal, QC, Canada
