B43B:
Biogeochemistry of Arctic Atmosphere, Terrestrial, Freshwater, and Coastal Systems III Posters

Session ID#: 4475

Thursday, 18 December 2014: 1:40 PM-6:00 PM
Not an Option (Moscone West)
Chairs:  Peter J Hernes, University of California - Davis, Davis, United States and Sally MacIntyre, University of California Santa Barbara, Santa Barbara, CA, United States
Primary Convener:  Kimberly Wickland, U.S. Geological Survey, Denver, CO, United States
Co-conveners:  Marion Syndonia Bret-Harte, University of Alaska Fairbanks, Institute of Arctic Biology, Fairbanks, AK, United States and Maria Tzortziou, CUNY City College of New York, Earth and Atmospheric Sciences, New York, United States
OSPA Liaison:  Suzanne E Tank, University of Alberta, Edmonton, AB, Canada
Co-Sponsor(s):
  • C - Cryosphere
  • GC - Global Environmental Change
  • H - Hydrology
Virtual Option?: No
Swirl Theme: Enhanced Climate Changes at High Latitude

Abstracts Submitted to this Session:

 
A Survey of Submerged Aquatic Vegetation in Three Sub-arctic Lakes near Abisko, Sweden (25334)
Jynessa Sampson1, Kristen Stilson1, Dr. Ruth K Varner, PhD2, Patrick M Crill3, Martin Wik4 and Maurice Crawford5, (1)Elizabeth City State University, Elizabeth City, NC, United States, (2)University of New Hampshire, Department of Earth Sciences, Durham, United States, (3)Stockholm University, Stockholm, Sweden, (4)Stockholm University, Dept. of Geological Sciences, Stockholm, Sweden, (5)University of Maryland Eastern Shore, Department of Natural Sciences, Princess Anne, MD, United States
 
Changes in tundra vascular plant biomass over thirty years at Imnavait Creek, Alaska. (26231)
Marion Syndonia Bret-Harte1, Eugenie Susanne Euskirchen2, Colin Edgar3, Diane C Huebner4, Kyoko Okano5, Colin Tucker4, Helene Genet1, Peter M Ray4 and Gaius R Shaver6, (1)University of Alaska Fairbanks, Institute of Arctic Biology, Fairbanks, AK, United States, (2)University of Alaska Fairbanks, Institute of Arctic Biology, Fairbanks, United States, (3)Univesity of Alaska Fairbanks, Institute of Arctic Biology, Fairbanks, United States, (4)University of Alaska Fairbanks, Fairbanks, AK, United States, (5)University of Alaska Fairbanks, Institute of Arctic Biology, Biology and Wildlife, Fairbanks, AK, United States, (6)Marine Bio Lab, Woods Hole, MA, United States
 
Distinct temperature sensitivity among taiga and tundra shrubs in Alaska (29025)
Laia Andreu-Hayles, ICREA, Catalan Institution for Research and Advanced Studies, CREAF, Center for Ecological research and Forestry Applications, Barcelona, Spain; Institut Català de Ciències del Clima, Barcelona, Spain, Kevin J. Anchukaitis, Woods Hole Oceanographic Inst, Woods Hole, United States and Rosanne D'Arrigo, Columbia University, Lamont-Doherty Earth Observatory, Palisades, United States
 
Long-Term Perspectives of Shrub Expansions and Peat Initiation in Arctic Tundra on the North Slope of Alaska (7508)
Kate Cleary, Lehigh University, Bethlehem, PA, United States and Zicheng Yu, Lehigh University, Department of Earth and Environmental Sciences, Bethlehem, PA, United States
 
The effect of freezing and drying on leaching of DOM from above ground vascular plant material from the Alaskan Arctic (10394)
Matt S Khosh, University of Texas Marine Science Institute, Port Aransas, TX, United States and James W McClelland, The Ecosystems Center, Marine Biological Laboratory, Woodshole, United States
 
Pathways and transformations of dissolved methane and dissolved inorganic carbon in Arctic tundra soils: Evidence from analysis of stable isotopes (18139)
Heather Throckmorton, Los Alamos National Laboratory, Los Alamos, NM, United States, George Perkins, Los Alamos National Laboratory, Los Alamos, United States, Jordan D Muss, Los Alamos National Lab, Los Alamos, NM, United States, Lydia Smith Vaughn, University of California Berkeley, Integrative Biology, Berkeley, CA, United States, Mark E Conrad, Lawrence Berkeley National Laboratory, Earth and Environmental Sciences Area, Berkeley, United States, Margaret S Torn, Berkeley Lab/UC Berkeley, Berkeley, United States, Jeffrey M Heikoop, LANL, Los Alamos, NM, United States, Brent D Newman, Los Alamos National Laboratory, Earth and Environmental Sciences Division, Los Alamos, United States, Cathy Jean Wilson, Los Alamos National Laboratory, Earth and Environmental Science Division, Los Alamos, NM, United States and Stan D Wullschleger, Oak Ridge National Laboratory, Environmental Sciences Division, Oak Ridge, TN, United States
 
Characterizing dissolved organic carbon concentrations and export in a boreal forest-peatland landscape under the influence of rapidly degrading discontinuous permafrost (15036)
Jessica Hanisch, University of Montreal, Montreal, QC, Canada, Ryan Connon, Government of the Northwest Territories, Environment and Natural Resources, Yellowknife, NT, Canada, Michael Templeton, McGill University, Montreal, QC, Canada, William L Quinton, Wilfrid Laurier University, Cold Regions Research Centre, Waterloo, ON, Canada, David Olefeldt, University of Alberta, Department of Renewable Resources, Edmonton, AB, Canada, Tim R Moore, McGill University, Department of Geography, Montreal, QC, Canada, Nigel T Roulet, McGill University, Department of Geography, and Global Environmental and Climate Change Centre, Montreal, QC, Canada and Oliver Sonnentag, University of Montreal, Geography, Montreal, QC, Canada
 
Hydrology and biogeochemistry of zero-order channels draining arctic hillslopes (26222)
Tamara Harms1, Sarah Godsey2, Emily Longano1, Sarah Ludwig3, Rebecca R Risser1 and Caitlin R Rushlow4, (1)University of Alaska Fairbanks, Fairbanks, AK, United States, (2)Idaho State University, Idaho Falls, ID, United States, (3)University of Alaska Fairbanks, Biology and Wildlife, Fairbanks, AK, United States, (4)Idaho State University, Pocatello, ID, United States
 
Connections Among Terrestrial Sources of Organic and Inorganic Carbon and Surface Waters in a Permafrost- and Wildfire-Impacted Headwater Catchment, Alaska (17013)
Kimberly Wickland1, Joshua C Koch2, John Crawford3,4, Mark Dornblaser4, Kathy Kelsey5 and Robert G Striegl6, (1)USGS, Boulder, United States, (2)USGS Alaska Science Center, Anchorage, AK, United States, (3)University of Wisconsin Madison, Center for Limnology, Madison, WI, United States, (4)USGS, National Research Program, Boulder, CO, United States, (5)University of Colorado, Boulder, CO, United States, (6)USGS, Hydro-Ecological Interactions Branch, Boulder, CO, United States
 
Utilising conservative tracers and spatial surveys to identify controls on pathways and DOC exports in an Arctic catchment. (26766)
Jason Scott Lessels1, Doerthe Tetzlaff2, Kerry J Dinsmore3, Lorna Street4, Joshua Dean5, Ian J Washbourne3, Michael F Billett6, Robert Baxter7, Jens-Arne Subke6 and Philip A Wookey8, (1)University of Sydney, Sydney, NSW, Australia, (2)University of Aberdeen, Northern Rivers Institute, Aberdeen, United Kingdom, (3)Centre for Ecology & Hydrology, Penicuik, United Kingdom, (4)Organization Not Listed, School of GeoSciences, Edinburgh, UNITED KINGDOM, (5)University of Liverpool, Liverpool, L69, United Kingdom, (6)University of Stirling, Stirling, United Kingdom, (7)Durham University, Durham, United Kingdom, (8)Heriot-Watt University, Biological Sciences, Edinburgh, United Kingdom
 
Aquatic carbon and GHG export from a permafrost catchment; identifying source areas and primary flow paths. (28860)
Kerry Jane Dinsmore1, Jason Scott Lessels2, Michael F Billett3, Lorna Street4, Philip A Wookey5, Doerthe Tetzlaff6, Robert Baxter7, Jens-Arne Subke3, Joshua Dean8 and Ian J Washbourne9, (1)Centre for Ecology and Hydrology, Biosphere-Atmosphere Interactions, Edinburgh, United Kingdom, (2)University of Sydney, Sydney, NSW, Australia, (3)University of Stirling, Stirling, United Kingdom, (4)Organization Not Listed, School of GeoSciences, Edinburgh, UNITED KINGDOM, (5)Heriot-Watt University, Biological Sciences, Edinburgh, United Kingdom, (6)University of Aberdeen, Northern Rivers Institute, Aberdeen, United Kingdom, (7)Durham University, Durham, United Kingdom, (8)University of Liverpool, Liverpool, L69, United Kingdom, (9)Centre for Ecology & Hydrology, Penicuik, United Kingdom
 
Seasonal Variability of Riverine Geochemistry (87Sr/86Sr, δ13CDIC, δ44/40Ca, and major ions) in Permafrost Watersheds on the North Slope of Alaska (25397)
Gregory O Lehn, Northwestern University, Evanston, IL, United States, Andrew D Jacobson, Northwestern University, Department of Earth and Planetary Sciences, Evanston, United States, Thomas A Douglas, US Army Corps of Engineers, Jacksonville, FL, United States, James W McClelland, The Ecosystems Center, Marine Biological Laboratory, Woodshole, United States, Matt S Khosh, University of Texas at Austin, Austin, TX, United States and Dr. Amanda J Barker, Cold Regions Research and Engineering Laboratory Alaska, Fort Wainwright, AK, United States
 
Arctic-COLORS (Coastal Land Ocean Interactions in the Arctic) – a NASA field campaign scoping study to examine land-ocean interactions in the Arctic (30951)
Peter J Hernes, University of California - Davis, Davis, United States, Maria Tzortziou, CUNY City College of New York, Earth and Atmospheric Sciences, New York, United States, Joseph Salisbury II, University of New Hampshire, Durham, United States, Antonio Mannino, NASA Goddard Space Flight Center, Ocean Ecology Laboratory, Greenbelt, United States, Patricia Matrai, Bigelow Laboratory for Ocean Sciences, East Boothbay, ME, United States, Marjorie A. M. Friedrichs, Virginia Inst Marine Science, Gloucester Point, United States and Carlos E Del Castillo, Applied Physics Laboratory Johns Hopkins, Laurel, MD, United States
 
Factors Contributing to High CH4 and CO2 Efflux Rates from Thermokarst Lakes in the Rapidly Warming Hudson Bay Region (6694)
Alex Matveev1,2, Warwick F Vincent1,3 and Isabelle Laurion4,5, (1)Centre d'études nordiques, Québec, QC, Canada, (2)Laval University, Quebec City, QC, Canada, (3)Laval University, Biology, Quebec City, QC, Canada, (4)Institut National de la Recherche Scientifique-Eau Terre Environnement INRS-ETE, Quebec City, QC, Canada, (5)Centre d'études nordiques, Québec City, QC, Canada
 
The Application of Methane Clumped Isotope Measurements to Determine the Source of Large Methane Seeps in Alaskan Lakes (10750)
Peter Munroe Douglas, California Institute of Technology, Pasadena, United States, Daniel A Stolper, University of California Berkeley, Earth and Planetary Science, Berkeley, CA, United States, John M Eiler, California Institute of Technology, Pasadena, CA, United States, Alex L Sessions, California Institute of Technology, Division of Geological and Planetary Sciences, Pasadena, United States and Katey M Walter Anthony, University of Alaska Fairbanks, Water and Environmental Research Center, Fairbanks, AK, United States
 
Life Under the Ice: Spatial and Temporal Patterns in Rates of Water Column and Sediment Respiration in 5 Alaskan Arctic Lakes (10854)
Steven Sadro, University of California Davis, Environmental Science and Policy, Davis, United States and Sally MacIntyre, University of California Santa Barbara, Santa Barbara, CA, United States
 
Carbon Release from Melting Arctic Permafrost on the North Slope, AK: 12CO2 and 13CO2 Concentrations and Fluxes, and Their Relationship to Methane and Methane Isotope Concentrations Measured in August 2013 (18017)
Jason Brent Munster1, David S Sayres1, Claire E Healy1, Edward J Dumas2, Ronald Dobosy3, John Kochendorfer4, Mark Heuer5, Tilden P Meyers6, Bruce Baker2 and James G Anderson7, (1)Harvard University, Cambridge, MA, United States, (2)NOAA/ATDD, Oak Ridge, TN, United States, (3)NOAA Oak Ridge, Oak Ridge, United States, (4)NOAA Oak Ridge, Atmospheric Turbulence and Diffusion Division, Oak Ridge, TN, United States, (5)NOAA/ARL/ATDD, Oak Ridge, TN, United States, (6)NOAA OAR Air Resources Laboratory, Boulder, United States, (7)Harvard University, Cambridge, United States
 
Flux Chamber Measurements of Methane Emissions and Stable Isotope Composition from an Arctic Wetland Using Field-Deployed Real-Time CRDS Vs Lab Measurements (11665)
Hilary Anne Thompson1, Jennifer C Stern2, Heather Graham3, Lisa M Pratt4 and Jeffrey R White1, (1)Indiana University Bloomington, School of Public and Environmental Affairs, Bloomington, IN, United States, (2)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (3)NASA Goddard Space Flight Center, Solar System Exploration Division, Greenbelt, MD, United States, (4)Indiana University Bloomington, Department of Geological Sciences, Bloomington, IN, United States
 
Boundary layer O3 dynamics and deposition to tundra during a summer in the Alaskan Arctic (20613)
Brie A Van Dam1,2, Dr. Detlev Helmig2, Paul V Doskey3,4, Samuel J Oltmans5,6 and Patrick Boylan2,7, (1)University of Alaska Fairbanks, Environmental Data Center, Toolik Field Station, Fairbanks, AK, United States, (2)University of Colorado at Boulder, Institute of Arctic and Alpine Research, Boulder, CO, United States, (3)Michigan Tech University, Department of Civil and Environmental Engineering, Houghton, MI, United States, (4)Michigan Technological University, Atmospheric Sciences Program, Houghton, MI, United States, (5)NOAA Boulder, Earth System Research Laboratory, Global Monitoring Division, Boulder, CO, United States, (6)University of Colorado at Boulder, CIRES, Boulder, CO, United States, (7)National Center for Atmospheric Research, Boulder, CO, United States
 
Assessment of bubble-borne methane emissions in the East Siberian Arctic Shelf via interpretation of sonar data (26221)
Denis Chernykh1, Ira Leifer2, Natalia E Shakhova3 and Igor Peter Semiletov3, (1)Pacific Oceanological Institute FEB RAS, Vladivostok, Russia, (2)Bubbleology Research International, Solvang, United States, (3)University of Alaska Fairbanks, Fairbanks, AK, United States
 
New atmospheric methane observations in the Kara, Laptev, and East Siberian Seas during SWERUS-C3 (22736)
Brett F Thornton, Stockholm University, Department of Geological Sciences, Stockholm, Sweden, Patrick M Crill, Stockholm University, Dept. of Geological Sciences and Bolin Centre for Climate Research, Stockholm, Sweden and Igor Peter Semiletov, University of Alaska Fairbanks, Fairbanks, AK, United States
 
Methane concentrations and oxidation in nearshore waters of the Lena River Delta (21354)
Vladimir Samarkin1, Natalia E Shakhova2, Igor Peter Semiletov2 and Samantha Benton Joye3, (1)University of Georgia, Department of Marine Sciences, Athens, GA, United States, (2)University of Alaska Fairbanks, Fairbanks, AK, United States, (3)Univ Georgia, Department of Marine Sciences, Athens, GA, United States
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