Chairs:  Gaius R Shaver, Marine Bio Lab, Woods Hole, MA, United States, Jacqueline M Grebmeier, Univ MD Center Enviro Science, Solomons, MD, United States and Eileen E Hofmann, Old Dominion University, Gloucester, VA, United States 
Primary Conveners:  Lauren M Everett, National Academy of Sciences, Polar Research Board, Washington, DC, United States 
Co-conveners:  Eileen E Hofmann, Old Dominion U-Innov Res Bldg, Norfolk, VA, United States, Jacqueline M Grebmeier, Univ MD Center Enviro Science, Solomons, MD, United States and Gaius R Shaver, Marine Bio Lab, Woods Hole, MA, United States 
OSPA Liaisons:  Gaius R Shaver, Marine Bio Lab, Woods Hole, MA, United States 
	
		
			
		
	
	
	
	
	
		
 
 
	
	
	
		
			
				Changing Seasonality of Tundra Vegetation and Associated Climatic Variables
			
			
			
				
					Uma Suren Bhatt1, Donald A Walker1, Martha K Raynolds1, Peter Bieniek2, Howard E Epstein3, Josefino C Comiso4, Jorge Pinzon4, Compton J Tucker5, Michael Steele6, Wendy S Ermold7 and Jinlun Zhang8, (1)University of Alaska Fairbanks, Fairbanks, AK, United States, (2)International Arctic Research Center, Fairbanks, AK, United States, (3)University of Virginia Main Campus, Environmental Sciences, Charlottesville, VA, United States, (4)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (5)NASA Goddard Space Flight Cen., Greenbelt, MD, United States, (6)Univ Washington, Seattle, WA, United States, (7)Applied Physics Laboratory University of Washington, Kenmore, WA, United States, (8)University of Washington, Seattle, WA, United States
				
			
			
			
		
	 
 
	
	
		
			
		
	
	
	
	
	
		
 
 
	
	
	
		
			
				Diverging Plant and Ecosystem Strategies in Response to Climate Change in the High Arctic
			
			
			
				
					Kadmiel S Maseyk1,2, Jeffrey M Welker3, Claudia I Czimczik4, Massimo Lupascu4, Celine Lett2,5 and Ulrike H Seibt2,6, (1)Open University, Milton Keynes, MK7, United Kingdom, (2)University Pierre and Marie Curie Paris VI, Paris, France, (3)University of Alaska Anchorage, Department of Biological Sciences, Anchorage, AK, United States, (4)Univ of California, Irvine, Irvine, CA, United States, (5)NERC British Antarctic Survey, Cambridge, United Kingdom, (6)University of California Los Angeles, Los Angeles, CA, United States
				
			
			
			
		
	 
 
	
	
		
			
		
	
	
	
	
	
		
 
 
	
	
	
		
			
				Developmental History of an Intriguing Peat-Forming Community Along the West Antarctic Peninsula
			
			
			
				
					Julie Loisel, University of California Los Angeles, Los Angeles, CA, United States, Zicheng Yu, Lehigh University, Department of Earth and Environmental Sciences, Bethlehem, PA, United States, Dave Beilman, University of Hawaii at Manoa, Department of Geography, Honolulu, HI, United States and Karl Kaiser, Texas A&M University at Galveston, Galveston, TX, United States
				
			
			
			
		
	 
 
	
	
		
			
		
	
	
	
	
	
		
 
 
	
	
	
		
			
				CO2 Flux From Antarctic Dry Valley Soils: Determining the Source and Environmental Controls
			
			
			
				
					David A Risk1, Chris M Macintyre1, Fiona Shanhun2, Peter C Almond2, Charles Lee3 and Craig Cary3, (1)St. Francis Xavier University, Earth Sciences, Antigonish, NS, Canada, (2)Lincoln University, Agriculture and Life Sciences, Lincoln, New Zealand, (3)University of Waikato, International Centre for Terrestrial Antarctic Research, Hamilton, New Zealand
				
			
			
			
		
	 
 
	
	
		
			
		
	
	
	
	
	
		
 
 
	
	
	
		
			
				Variability in Canopy Transpiration with Atmospheric Drivers and Permafrost Thaw Depth in an Arctic Siberian Larch Forest
			
			
			
				
					Michael M Loranty, Colgate University, Geography, Hamilton, NY, United States, Logan T. Berner, Oregon State University, Las Vegas, NV, United States, Heather Dawn Alexander, University of Texas at Brownsville, Brownsville, TX, United States and Sergey P Davydov, Far Eastern Branch of Russian Academy of Sciences, Pacific Institute of Geography, North-East Science Station, Cherskii, Russia
				
			
			
			
		
	 
 
	
	
		
			
		
	
	
	
	
	
		
 
 
	
	
	
		
			
				Effects of Winter Climate Change on Plant and Soil Ecology of Cryoturbated Non-Sorted Circles Tundra
			
			
			
				
					Sylvain Monteux1, Eveline J. Krab2, Jonas Rönnefarth3, Marina Becher2, Gesche Blume-Werry1, Jürgen Kreyling3, Frida Keuper1, Jonatan Klaminder2, Makoto Kobayashi4, Erik J Lundin5, Ann Milbau1, Laurenz Michael Teuber2, James Weedon6 and Ellen Dorrepaal7, (1)Umeå University, Abisko, Sweden, (2)Umeå University, Umeå, Sweden, (3)University of Bayreuth, Bayreuth, Germany, (4)Hokkaido University, Sapporo, Japan, (5)Stockholm University, Stockholm, Sweden, (6)University of Antwerp, Antwerp, Belgium, (7)Umeå University, Climate Impacts Research Centre, Ecology and Environmental Science, Umeå, Sweden
				
			
			
			
		
	 
 
	
	
		
			
		
	
	
	
	
	
		
 
 
	
	
	
		
			
				Future Biome Projections in Alaska and East Russia
			
			
			
				
					Amy Hendricks1,2, Kazuyuki Saito1,3, Nancy H Bigelow2,4 and John E Walsh1,2, (1)International Arctic Research Center, Fairbanks, AK, United States, (2)University of Alaska Fairbanks, Fairbanks, AK, United States, (3)JAMSTEC Japan Agency for Marine-Earth Science and Technology, Kanagawa, Japan, (4)Alaska Quaternary Center, Fairbanks, AK, United States
				
			
			
			
		
	 
 
	
	
		
			
		
	
	
	
	
	
		
 
 
	
	
	
		
			
				Distribution of dissolved and particulate trace metals in Arctic sea ice
			
			
			
				
					Meghan Taylor1, Ingrid L Hendy2, Sarah Aciego1 and Kyle Meyer3, (1)University of Michigan Ann Arbor, Ann Arbor, MI, United States, (2)University of Michigan Ann Arbor, Geological Sciences, Ann Arbor, MI, United States, (3)University of Michigan, Ann Arbor, MI, United States
				
			
			
			
		
	 
 
	
	
		
			
		
	
	
	
	
	
		
 
 
	
	
	
		
			
				A Spatially-Explicit Modeling Approach to Examine the Interaction of Reproductive Traits and Landscape Characteristics on Arctic Shrub Expansion
			
			
			
				
					Adam T Naito, Texas A & M University, Geography, College Station, TX, United States, David M. Cairns, texas a and m university, college station, TX, United States, Richard M. Feldman, Texas A & M University, Industrial & Systems Engineering, College Station, TX, United States and William E. Grant, Texas A & M University, Wildlife and Fisheries Sciences, College Station, TX, United States
				
			
			
			
		
	 
 
	
	
		
			
		
	
	
	
	
	
		
 
 
	
	
	
		
			
				Seasonal and inter-annual variability of dissolved inorganic nutrients along the western Antarctic Peninsula: is the Southern Annular Mode a potential driver? 
			
			
			
				
					Hyewon Kim1,2, Douglas G Martinson2,3, Richard A Iannuzzi3 and Hugh W Ducklow1,2, (1)Lamont-Doherty Earth Observatory, Columbia University, Division of Biology & Paleo Environment, Palisades, NY, United States, (2)Columbia University, Department of Earth and Environmental Sciences, New York, NY, United States, (3)Lamont-Doherty Earth Observatory, Columbia University, Division of Ocean and Climate Physics, Palisades, NY, United States
				
			
			
			
		
	 
 
	
	
		
			
		
	
	
	
	
	
		
 
 
	
	
	
		
			
				Chromophoric Dissolved Organic Matter across a Marine Distributed Biological Observatory in the Pacific Arctic Region
			
			
			
				
					Samuel L Berman, Clark University, Worcester, MA, United States, Karen E Frey, Clark University, Graduate School of Geography, Worcester, MA, United States, Kristen Laurel Shake, Clark Labs, Worcester, MA, United States, Lee W Cooper, Univ Maryland, Solomons, MD, United States and Jacqueline M Grebmeier, Univ MD Center Enviro Science, Solomons, MD, United States