B44B
Natural Wetlands and Open Waters in the Global Methane Cycle: Modeling, Observations, and Challenges III

Thursday, 17 December 2015: 16:00-18:00
2010 (Moscone West)
Primary Conveners:  Elaine Matthews, NASA, Ames Research Center, Moffett Field, CA, United States
Conveners:  Ruth K Varner, Univ New Hampshire, Durham, NH, United States, Changhui Peng, University of Quebec at Montreal UQAM, Montreal, QC, Canada and Paul J Hanson, Oak Ridge National Laboratory, Oak Ridge, TN, United States
Chairs:  Ruth K Varner, University of New Hampshire Main Campus, Durham, NH, United States and Elaine Matthews, NASA, Ames Research Center, Moffett Field, CA, United States
OSPA Liaisons:  Paul J Hanson, Oak Ridge National Laboratory, Oak Ridge, TN, United States
16:00
The Stability of Peatland Carbon Stores to Global Change: Evidence for Enhanced Methane and Carbon Dioxide Production  (Invited) (61514)
Jeffrey Chanton1, Rachel Wilson2, Malak M Tfaily2, Stephen D Sebestyen3, Cassandra Medvedeff4, Karis J McFarlane5, Randy K Kolka6, Joel E Kostka7, Jason Keller4, Paul J Hanson8, Tom Guilderson5, Florentino de La Cruz9, William T Cooper10, Scott D Bridgham11 and Morton Barlaz9, (1)Florida State Univ, Tallahassee, FL, United States, (2)Florida State University, Tallahassee, FL, United States, (3)USDA Forest Service, Grand Rapids, MN, United States, (4)Chapman University, Orange, CA, United States, (5)Lawrence Livermore National Laboratory, Livermore, CA, United States, (6)U.S. Forest Service, Grand rapids, MN, United States, (7)Georgia Institute of Technology Main Campus, Atlanta, GA, United States, (8)Oak Ridge National Laboratory, Oak Ridge, TN, United States, (9)North Carolina State University, Raleigh, NC, United States, (10)Florida State University, Department of Chemistry & Biochemistry, Tallahassee, FL, United States, (11)University of Oregon, Eugene, OR, United States
16:15
Seasonal Oxygen Dynamics in a Thermokarst Bog in Interior Alaska: Implications for Rates of Methane Oxidation (73383)
Rebecca Bergquist Neumann, University of Washington Seattle Campus, Civil & Environmental Engineering, Seattle, WA, United States, Colby Moorberg, Kansas State University, Department of Agronomy, Manhattan, KS, United States, Andrea Wong, University of Washington Seattle Campus, Civil and Environmental Engineering, Seattle, WA, United States, Mark P Waldrop, USGS California Water Science Center Menlo Park, Menlo Park, CA, United States and Merritt R Turetsky, University of Guelph, Guelph, ON, Canada
16:30
Relationship between Trophic Status and Methanogenic Pathways in Alaskan Peatlands (81166)
Lin Zhang1, Xiao Liu1, William Sidelinger2, Yazhou Wang1 and Mark E Hines1, (1)University of Massachusetts Lowell, Lowell, MA, United States, (2)Univ Massachusetts Lowell, Lowell, MA, United States
16:45
Lakes in Northern Permafrost Regions and Feedbacks with the Methane Cycle (Invited) (78368)
Guido Grosse, Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Potsdam, Potsdam, Germany
17:00
Methane emission from lakes: biophysical drivers impacts beyond measurement uncertainties (79243)
Lúcia Fernandes Sanches1, Bertrand Guenet2 and Francisco de Assis Esteves1, (1)UFRJ Federal University of Rio de Janeiro, Rio De Janeiro, Brazil, (2)LSCE Laboratoire des Sciences du Climat et de l'Environnement, Gif-Sur-Yvette Cedex, France
17:15
Multiyear Isotopic Observations Reveal that Northern Lake Methane Emissions are Hidden in Wetland Estimates (80694)
Martin Wik1, Brett F Thornton1, Ruth K Varner2 and Patrick M Crill1, (1)Stockholm University, Dept. of Geological Sciences, Stockholm, Sweden, (2)University of New Hampshire Main Campus, Durham, NH, United States
17:45
Continuous Ship-borne Methane Measurements on the Upper Mississippi River and Selected Tributaries (60442)
John Crawford, USGS, Baltimore, MD, United States, Luke C Loken, University of Wisconsin Madison, Center for Limnology, Madison, WI, United States, Mark Dornblaser, US Geological Survey, Boulder, CO, United States, Emily H Stanley, Univ Wisconsin, Madison, WI, United States and Robert G Striegl, USGS Colorado Water Science Center Boulder, Boulder, CO, United States
 
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