Chairs:  Elaine Matthews, NASA, Goddard Institute for Space Studies, New York, NY, United States, Martin Wik, Stockholm University, Dept. of Geological Sciences, Stockholm, Sweden, Torsten Sachs, Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences, Potsdam, Germany and Ruth K. Varner, University of New Hampshire, Institute for the Study of Earth, Oceans, and Space, Durham, United States 
Primary Conveners:  Elaine Matthews, NASA, Goddard Institute for Space Studies, New York, NY, United States 
Co-conveners:  Martin Wik, Stockholm University, Dept. of Geological Sciences, Stockholm, Sweden, Torsten Sachs, GFZ German Research Centre for Geosciences, Potsdam, Germany and Ruth K. Varner, University of New Hampshire, Institute for the Study of Earth, Oceans, and Space, Durham, United States 
OSPA Liaisons:  Torsten Sachs, Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences, Potsdam, Germany 
	
		
			
		
	
	
	
	
	
		
 
 
	
	
	
		
			
				Quantifying the Microbial Utilization of Methanogenesis and Methane Loss from Northern Wetlands
			
			
			
				
					J. Elizabeth Corbett, NASA Goddard Institute for Space Studies, New York, NY, United States, Malak Tfaily, Pacific Northwest National Lab, Richland, WA, United States, David Burdige, Old Dominion University, Gloucester, VA, United States, Paul H Glaser, University of Minnesota Twin Cities, geology, Minneapolis, MN, United States and Jeffrey Chanton, Florida State Univ, Tallahassee, FL, United States
				
			
			
			
		
	 
 
	
	
		
			
		
	
	
	
	
	
		
 
 
	
	
	
		
			
				High-resolution Methane Isotope Data Improves Model of Wetland Methane Dynamics
			
			
			
				
					Carmody K McCalley1, Changsheng Li2, Jia Deng2, Joanne H Shorter3, Mark S Zahniser4, Jeffrey Chanton5, Patrick M Crill6, Scott R Saleska7 and Ruth K Varner8, (1)University of New Hampshire Main Campus, Durham, NH, United States, (2)University of New Hampshire, Durham, NH, United States, (3)Aerodyne Research Inc., Billerica, MA, United States, (4)Aerodyne Research Inc, Billerica, MA, United States, (5)Florida State Univ, Tallahassee, FL, United States, (6)Stockholm University, Stockholm, Sweden, (7)University of Arizona, Tucson, AZ, United States, (8)Univ New Hampshire, Durham, NH, United States
				
			
			
			
		
	 
 
	
	
		
			
		
	
	
	
	
	
		
 
 
	
	
	
		
			
				Interannual Variation in Methane Production Across a Permafrost Thaw Gradient
			
			
			
				
					Brittany Aiello Verbeke1, Paige Elizabeth Clarizia2, Carmody K McCalley2, Samantha Lynn Werner3, Avni Malhotra4, Sophia A Burke2, Patrick M Crill5, Jeffrey Chanton6 and Ruth K Varner3, (1)Florida State University, Tallahassee, FL, United States, (2)University of New Hampshire Main Campus, Durham, NH, United States, (3)Univ New Hampshire, Durham, NH, United States, (4)McGill University, Montreal, QC, Canada, (5)Stockholm University, Stockholm, Sweden, (6)Florida State Univ, Tallahassee, FL, United States
				
			
			
			
		
	 
 
	
	
		
			
		
	
	
	
	
	
		
 
 
	
	
	
		
			
				Comparison of CH4 Emission and CO2 Exchange Between 2013 and 2014 in a Subarctic Peatland
			
			
			
				
					Paige Elizabeth Clarizia1, Brittany Aiello Verbeke2, Carmody K McCalley1, Samantha Lynn Werner3, Avni Malhotra4, Sophia A Burke1, Patrick M Crill5 and Ruth K Varner6, (1)University of New Hampshire Main Campus, Durham, NH, United States, (2)Florida State University, Tallahassee, FL, United States, (3)University of New Hampshire Main Campus, Derry, NH, United States, (4)McGill University, Montreal, QC, Canada, (5)Stockholm University, Stockholm, Sweden, (6)Univ New Hampshire, Durham, NH, United States
				
			
			
			
		
	 
 
	
	
		
			
		
	
	
	
	
	
		
 
 
	
	
	
		
			
				Methane Emissions from Semi-natural, Drained and Re-wetted Peatlands in Germany
			
			
			
				
					Baerbel Tiemeyer1, Michel Bechtold1, Elisa Albiac Borraz2, Jürgen Augustin2, Matthias Drösler3, Sascha Beetz4, Colja Beyer5, Tim Eickenscheidt3, Sabine Fiedler6, Christoph Förster3, Michael Giebels2, Stephan Glatzel7, Jan Heinichen3, Heinrich Höper5, Katharina Leiber-Sauheitl1, Mandy Peichl-Brak8, Niko Rosskopf9, Michael Sommer10, Jutta Zeitz9 and Annette Freibauer1, (1)Johann Heinrich von Thünen Institute, Institute of Climate-Smart Agriculture, Braunschweig, Germany, (2)Leibniz Centre for Agricultural Landscape Research, Institute for Landscape Biogeochemistry, Müncheberg, Germany, (3)Weihenstephan-Triesdorf University of Applied Sciences, Freising, Germany, (4)University of Rostock, Faculty of Agricultural and Environmental Sciences, Rostock, Germany, (5)LBEG State Authority for Mining, Energy and Geology, Hannover, Germany, (6)Johannes Gutenberg University of Mainz, Institute of Geography, Mainz, Germany, (7)University of Vienna, Geography and Regional Research, Vienna, Austria, (8)University of Hohenheim, Institute of Soil Science and Land Evaluation, Stuttgart, Germany, (9)Humboldt University of Berlin, Division of Soil Science and Site Science, Berlin, Germany, (10)Leibniz Centre for Agricultural Landscape Research, Institute of Soil Landscape Research, Müncheberg, Germany
				
			
			
			
		
	 
 
	
	
		
			
		
	
	
	
	
	
		
 
 
	
	
	
		
			
				An automatic remotely web-based control equipment for investigating gas flux at water – air interfaces
			
			
			
				
					Nguyen T. Duc1, Samuel Silverstein2, Martin Wik3, Patrick M Crill3, David Bastviken4 and Ruth K Varner5, (1)University of New Hampshire Main Campus, Durham, NH, United States, (2)Stockholm University, Department of Physics, Stockholm, Sweden, (3)Stockholm University, Dept. of Geological Sciences, Stockholm, Sweden, (4)Linköping University, Linköping, Sweden, (5)Univ New Hampshire, Durham, NH, United States
				
			
			
			
		
	 
 
	
	
		
			
		
	
	
	
	
	
		
 
 
	
	
	
		
			
				Lake Physical and Geochemical Traits Impact CH4 and CO2 Concentrations
			
			
			
				
					Apryl Lee Perry1, Laura Ann Logozzo2, Martin Wik3, Brett F Thornton3, Patrick M Crill4, Joel E Johnson5 and Ruth K Varner6, (1)University of New Hampshire Main Campus, Durham, NH, United States, (2)CUNY City College, New York, NY, United States, (3)Stockholm University, Dept. of Geological Sciences, Stockholm, Sweden, (4)Stockholm University, Stockholm, Sweden, (5)University of New Hampshire, Dept. of Earth Sciences, Durham, NH, United States, (6)Univ New Hampshire, Durham, NH, United States
				
			
			
			
		
	 
 
	
	
		
			
		
	
	
	
	
	
		
 
 
	
	
	
		
			
				Linking Sediment Characteristics to Methane Emission Potential in Subarctic Lakes
			
			
			
				
					Laura Ann Logozzo1, Apryl Lee Perry2, Martin Wik3, Brett F Thornton3, Patrick M Crill4, Joel E Johnson5 and Ruth K Varner6, (1)CUNY City College, New York, NY, United States, (2)University of New Hampshire Main Campus, Durham, NH, United States, (3)Stockholm University, Dept. of Geological Sciences, Stockholm, Sweden, (4)Stockholm University, Stockholm, Sweden, (5)University of New Hampshire, Dept. of Earth Sciences, Durham, NH, United States, (6)Univ New Hampshire, Durham, NH, United States
				
			
			
			
		
	 
 
	
	
		
			
		
	
	
	
	
	
		
 
 
	
	
	
		
			
				Correlating the presence of Sparganium angustifolium with methane ebullition in a subarctic Swedish lake
			
			
			
				
					Kristen Stilson1, Jynessa M Sampson1, Martin Wik2, Patrick M Crill3, Ruth K Varner4 and Maurice Crawford5, (1)Elizabeth City State University, Elizabeth City, NC, United States, (2)Stockholm University, Dept. of Geological Sciences, Stockholm, Sweden, (3)Stockholm University, Stockholm, Sweden, (4)Univ New Hampshire, Durham, NH, United States, (5)University of Maryland Eastern Shore, Department of Natural Sciences, Princess Anne, MD, United States
				
			
			
			
		
	 
 
	
	
		
			
		
	
	
	
	
	
		
 
 
	
	
	
		
			
				Ebullition of CO2 and CH4 from an Upland Stream Network in Northeastern Siberia
			
			
			
				
					Seth Spawn1, Samuel Dunn2, Greg J Fiske1, John D Schade3 and Nikita Zimov4, (1)Woods Hole Science Center Woods Hole, Woods Hole, MA, United States, (2)Colorado State University, Fort Collins, CO, USA, Graduate Degree Program in Ecology, Fort Collins, CO, United States, (3)St. Olaf College, Northfield, MN, United States, (4)Northeast Scientific Station, Cherskiy, Russia
				
			
			
			
		
	 
 
	
	
		
			
		
	
	
	
	
	
		
 
 
	
	
	
		
			
				Higher Methane Emissions in Regions of Sea Ice Retreat
			
			
			
				
					Frans-Jan W Parmentier1,2, Wenxin Zhang1, Yanjiao Mi3, Xudong Zhu4, Paul A Miller1, Ko J van Huissteden3, Daniel J Hayes5, Qianlai Zhuang4, Anthony David McGuire6 and Torben R Christensen1,2, (1)Lund University, Physical Geography and Ecosystem Science, Lund, Sweden, (2)Arctic Research Centre, Aarhus University, Aarhus, Denmark, (3)Free University Amsterdam, Amsterdam, Netherlands, (4)Purdue University, West Lafayette, IN, United States, (5)Oak Ridge National Laboratory, Oak Ridge, TN, United States, (6)University of Alaska Fairbanks, Institute of Arctic Biology, Fairbanks, AK, United States