GC11B:
Carbon in the Arctic: Influence of Climate Change in Aquatic and Terrestrial Ecosystems I Posters

Session ID#: 5176

Monday, 15 December 2014: 8:00 AM-12:20 PM
Not an Option (Moscone West)
Chairs:  Robert Northington, University of Maine, Orono, ME, United States and Jeffrey M Welker, University of Alaska Anchorage, Department of Biological Sciences, Anchorage, United States
Primary Convener:  Robert Northington, University of Maine, Orono, ME, United States
Co-conveners:  Jeffrey M Welker, University of Alaska Anchorage, Department of Biological Sciences, Anchorage, United States, Chris L Osburn, North Carolina State University Raleigh, Raleigh, NC, United States and N John Anderson, University of Loughborough, Loughborough, United Kingdom
OSPA Liaison:  N. John Anderson, University of Loughborough, Loughborough, United Kingdom
Co-Sponsor(s):
  • B - Biogeosciences
Index Terms:

0428 Carbon cycling [BIOGEOSCIENCES]
0439 Ecosystems, structure and dynamics [BIOGEOSCIENCES]
1637 Regional climate change [GLOBAL CHANGE]
9315 Arctic region [GEOGRAPHIC LOCATION]
Virtual Option?: No
Swirl Theme: Enhanced Climate Changes at High Latitude

Abstracts Submitted to this Session:

 
GC11B-0550
UV-screening Organic Matter (CDOM and MAA) as indicators for monitoring changes of the polar marine ecosystem (14350)
MI OK PARK, Pukyong National University, Busan, South Korea, Sung-Ho Kang, KOPRI Korea Polar Research Institute, Incheon, Korea, Republic of (South) and Sun Yong Ha, Korea Polar Research Institute, Incheon, South Korea
 
GC11B-0551
Chromophoric Dissolved Organic Matter in Southwestern Greenland Lakes (28149)
Chris L Osburn, North Carolina State University Raleigh, Raleigh, NC, United States, Madeline E. Giles, University of Essex, Colchester, United Kingdom and Graham J. C. Underwood, University of Essex, School of Life Sciences, Colchester, United Kingdom
 
GC11B-0552
Dissolved Organic Carbon Degradation in Response to Nutrient Amendments in Southwest Greenland Lakes (17902)
Benjamin Todd Burpee1, Robert Northington1, Kevin S Simon2 and Jasmine E Saros1, (1)University of Maine, Orono, ME, United States, (2)The University of Auckland, Auckland, New Zealand
 
GC11B-0553
Soil carbon storage and temperature sensitivity associated with shrub and graminoid vegetation in Kangerlussuaq, Greenland (13952)
Julia I Bradley-Cook1, Chelsea L Petrenko1, Andrew J Friedland1 and Ross A Virginia2, (1)Dartmouth College, Hanover, NH, United States, (2)Dartmouth College, Department of Environmental Studies, Hanover, United States
 
GC11B-0554
Geochemical drivers of organic matter decomposition in the active layer of Arctic tundra (19897)
Elizabeth Herndon1,2, Taniya Roy Chowdhury3, Benjamin Mann3, David E Graham4, Stan D Wullschleger2, Baohua Gu2 and Liyuan Liang3, (1)Oak Ridge National Laboratory, Environmental Sciences Division, Oak Ridge, United States, (2)Oak Ridge National Laboratory, Environmental Sciences Division, Oak Ridge, TN, United States, (3)Oak Ridge National Laboratory, Oak Ridge, TN, United States, (4)Oak Ridge National Laboratory, Biosciences Division, Oak Ridge, TN, United States
 
GC11B-0555
Net Ecosystem Production of Polar Desert and Wetland Landscapes in the Rapidly Changing Canadian High Arctic (17686)
Craig A. Emmerton1, Vincent L St.Louis1, Elyn Humphreys2, Joel D Barker3, John Arthur Gamon4 and Gilberto Pastorello5, (1)University of Alberta, Edmonton, AB, Canada, (2)Carleton University, Geography & Environmental Studies, Ottawa, ON, Canada, (3)University of Minnesota, Earth and Environmental Sciences, Minneapolis, United States, (4)University of Nebraska-Lincoln, Lincoln, United States, (5)Lawrence Berkeley National Laboratory, Berkeley, CA, United States
 
GC11B-0556
What is driving the change in vegetation productivity in northern Eurasia?  (26035)
Pawlok Dass, University of Massachusetts Amherst, Geosciences, Amherst, United States, Michael A Rawlins, University of Massachusetts Amherst, Amherst, MA, United States, Ben Smith, Lund University, Lund, Sweden, John S Kimball, University of Montana, Numerical Terradynamic Simulation Group, Missoula, United States and Youngwook Kim, Univ Montana, NTSG, Missoula, MT, United States
 
GC11B-0557
Investigating the Effects of Climatic Change and Fire Dynamics on Peatland C Accumulation in Coastal Labrador, Canada (11547)
Anna Hall1, Daniel Lesser1, Anna Bourakovsky1, Catherine Hamley1, Cameron Adams1, Anna Westervelt1, Philip Camill2 and Charles E Umbanhowar Jr3, (1)Bowdoin College, Brunswick, ME, United States, (2)Bowdoin College, Earth and Oceanographic Science Dept. and Environmental Studies Program, Brunswick, United States, (3)St. Olaf College, Biology and Environmental Studies, Northfield, United States
 
GC11B-0558
Changing Boreal Fire Regimes: Impacts on Permafrost Soils and Forest Succession in Siberian Larch Forests (17855)
Heather Dawn Alexander, Auburn University, Auburn, United States, Michelle C Mack, Northern Arizona University, Center for Ecosystem Science and Society, Flagstaff, AZ, United States, Susan Natali, Woodwell Climate Research Center, Falmouth, United States, Michael M Loranty, Colgate University, Geography, Hamilton, NY, United States, Sergei P Davydov, Russian Academy of Sciences, Moscow, Russia and Nikita Zimov, Northeast Scientific Station of Pacific Institute for Geography of Russian Academy of Sciences, Cherskiy, Russia
 
GC11B-0559
High Arctic tundra greenhouse gas fluxes: new insights from Adventdalen, Svalbard (16469)
Norbert Pirk1,2, Frans-Jan W Parmentier3,4, Mikhail Mastepanov1,5, Hanne H. Christiansen6 and Torben R Christensen7,8, (1)Lund University, Physical Geography and Ecosystem Science, Lund, Sweden, (2)University Centre in Svalbard, Longyearbyen, Norway, (3)Lund University, Department of Physical Geography and Ecosystem Science, Lund, Sweden, (4)Arctic Research Centre, Aarhus University, Aarhus, Denmark, (5)Aarhus University, Department of Bioscience, Arctic Research Centre, Aarhus C, Denmark, (6)University Centre in Svalbard, Arctic Geology Department, Longyearbyen, Norway, (7)Lund University, Lund, Sweden, (8)Lund Univ, Lund, Sweden
 
GC11B-0560
Late-Summer Tundra Methane Concentrations and Fluxes on the North Slope of Alaska (4185)
Joseph P Smith1, Rizalina S. Suriben2, Richard B Coffin3, Thomas Jordan Boyd4, Paula S Rose5,6, Thomas A Douglas7, Lewis C Millholland IV5, Erik Redman Boudart2 and John Edward Woods2,8, (1)US Naval Academy, Annapolis, United States, (2)US Naval Academy, Oceanography Department, Annapolis, MD, United States, (3)Texas A&M University Corpus Christi, Department of Physical and Environmental Sciences, Corpus Christi, United States, (4)Naval Research Laboratory, Washington, DC, United States, (5)SAIC/NRL--Code 61, Washington, DC, United States, (6)Texas A & M University Corpus Christi, Department of Physical and Environmental Sciences, Corpus Christi, TX, United States, (7)US Army Corps of Engineers, Jacksonville, FL, United States, (8)US Naval Academy, Annapolis, MD, United States
 
GC11B-0561
Effect of Thaw Depth on Fluxes of CO2 and CH4 in Manipulated Arctic Coastal Tundra of Barrow, Alaska (5695)
Yongwon Kim, University of Alaska Fairbanks, Fairbanks, AK, United States
 
GC11B-0562
Quantifying the magnitude, spatiotemporal variation and age of aquatic CO2 fluxes in western Greenland (21859)
Hazel Elizabeth Long1, Susan Waldron2, Trevor Hoey3, Mark Garnett4 and Jason Newton4, (1)University of Glasgow, Glasgow, G12, United Kingdom, (2)School of Geographical and Earth Sciences, University of Glasgow, Glasgow, United Kingdom, (3)University of Glasgow, School of Geographical and Earth Sciences, Glasgow, United Kingdom, (4)Scottish Universities Environmental Research Center at the University of Glasgow, East Kilbride, United Kingdom
 
GC11B-0564
Low-Altitude CH4 and δ13CH4 spatial Heterogeneity over the Northern Slope of Alaska (10267)
Claire E Healy1, David S Sayres1, Jason Brent Munster1, Edward J Dumas2, Ronald Dobosy3, John Kochendorfer4, Jordan Wilkerson1, Bruce Baker5, Mark Heuer6, Tilden P Meyers7, Manvendra Krishna Dubey8 and James G Anderson9, (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 Oak Ridge, Oak Ridge, TN, United States, (6)NOAA/ARL/ATDD, Oak Ridge, TN, United States, (7)NOAA OAR Air Resources Laboratory, Boulder, United States, (8)Los Alamos National Laboratory, Earth and Environmental Science Division, Los Alamos, NM, United States, (9)Harvard University, Cambridge, United States
 
GC11B-0565
Detection of Long-Term Change in Methane Emissions Using Atmospheric Network Observations (24770)
Lori Bruhwiler, NOAA, Global Monitoring Laboratory, Boulder, United States
 
GC14A-06
Surface-Atmosphere Carbon Exchange from an Arctic Wetland (8882)
John Kochendorfer1, Mark Heuer2, Edward J Dumas3, Tilden P Meyers4, Ronald Dobosy5, Bruce Baker6, Claire E Healy7, Jason Brent Munster7, David S Sayres7 and James G Anderson8, (1)NOAA Oak Ridge, Atmospheric Turbulence and Diffusion Division, Oak Ridge, TN, United States, (2)NOAA/ARL/ATDD, Oak Ridge, TN, United States, (3)NOAA/ATDD, Oak Ridge, TN, United States, (4)NOAA OAR Air Resources Laboratory, Boulder, United States, (5)NOAA Oak Ridge, Oak Ridge, United States, (6)NOAA Oak Ridge, Oak Ridge, TN, United States, (7)Harvard University, Cambridge, MA, United States, (8)Harvard University, Cambridge, United States
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