GSA Annual Meeting in Denver, Colorado, USA - 2016

Session No. 286
Wednesday, 28 September 2016: 8:00 AM-12:00 PM
Room 501 (Colorado Convention Center)

T111. Polar Changes

GSA Limnogeology Division
W. Berry Lyons, Advocates
 
8:00 AM
Introductory Remarks
8:10 AM
RECENT PERMAFORST DEGRADATION IN RESPONSE TO A CHANGING ARCTIC CLIMATE - LESSONS FROM THE NORTH SLOPE OF ALASKA (Invited Presentation)
GOOSEFF, Michael, Institute of Arctic and Alpine Research, University of Colorado-Boulder, Boulder, CO 80309, GODSEY, Sarah, Department of Geosciences, Idaho State University, 921 S. 8th Ave, Pocatello, ID 83209-8072, LEWKOWICZ, Antoni G., Geography, University of Ottawa, 60 University Private, Ottawa, ON K1N 6N5, Canada and BOWDEN, W. Breck, Rubenstein School of the Environment and Natural Resources, University of Vermont, Burlington, VT 05401, Michael.Gooseff@colorado.edu
8:30 AM
INVESTIGATING THE LINK BETWEEN HYDRAULIC CONDUCTIVITY AND SOIL CHARACTERISTICS OF PERMAFROST CORES FOR THE NEXT GENERATION ECOSYSTEM EXPERIMENT (NGEE)-ARCTIC
LÓPEZ, Robin D., WU, Yuxin, ULRICH, Craig, CHOU, Chunwei Nick, KNEAFSEY, Timothy J. and MCKNIGHT, Catherine, Earth and Environmental Sciences, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA 94720, rdlopez@lbl.gov
8:45 AM
CONSTRAINING LATEST HOLOCENE EXPANSION AND 20TH CENTURY RETREAT OF A SMALL CANADIAN ARCTIC ICE CAP USING ENTOMBED VEGETATION
PENDLETON, Simon L.1, MILLER, Gifford H.2, ANDERSON, Robert S.3 and CRUMP, Sarah E.1, (1)Geological Sciences and Institute of Arctic and Alpine Research, University of Colorado – Boulder, Boulder, CO 80309, (2)INSTAAR and Geological Sciences, University of Colorado, Boulder, CO 80309-0450, (3)Department of Geological Sciences and INSTAAR, University of Colorado, Boulder, CO 80309, simon.pendleton@colorado.edu
Handouts
  • SPendleton_Fall_2016_GSA_1_upload.pptx (28.9 MB)
  • 9:00 AM
    GLACIAL FORELAND WEATHERING IN WESTERN GREENLAND: IMPLICATIONS FOR PAST AND FUTURE WEATHERING CONDITIONS
    DEUERLING, K.M., MARTIN, Ellen E. and MARTIN, Jonathan B., Department of Geological Sciences, University of Florida, 241 Williamson Hall, P.O. Box 112120, Gainesville, FL 32611-2120, kdeuer@ufl.edu
    9:15 AM
    OCEAN PHYTOPLANKTON BIOGEOGRAPHY: EARTH SYSTEM MODEL ESTIMATES AT COARSE AND FINE RESOLUTION
    MONTOYA, Leslie Marie, RESESS, UNAVCO, 6350 Nautilus Drive, Boulder, CO 80301; Geosciences and Natural Resources Department, Western Carolina University, 331 Stillwell Building, Cullowhee, NC 28723 and LOVENDUSKI, Nicole, The Institute of Arctic and Alpine Research, University of Colorado - Boulder, Boulder, CO 80309, leslie.m.montoya@gmail.com
     
    9:30 AM
    Break
    9:45 AM
    DRAMATIC TOPOGRAPHIC CHANGES IN THE MCMURDO DRY VALLEYS, ANTARCTICA (Invited Presentation)
    FOUNTAIN, Andrew G.1, LEVY, Joseph2, OBRYK, Maciej K.3, GOOSEFF, Michael4, VAN HORN, Dave5, GLENNIE, Craig6, DIAZ, Juan Fernandez6 and LYONS, Berry7, (1)Geology and Geography, Portland State University, Portland, OR 97207, (2)Institute for Geophysics, University of Texas, 10100 Burnet Road, Austin, TX 78758, (3)Department of Geology, Portland State University, Portland, OR 97201, (4)Institute of Arctic and Alpine Research, University of Colorado-Boulder, Boulder, CO 80309, (5)Biology, University of New Mexico, MSC03 2020, 1 University of New Mexico, Albuquerque, NM 87131-0001, (6)Civil and Environmental Engineering, NCALM University of Houston, 5000 Gulf Freeway, Bldg. 4, Rm 216, Houston, TX 77204-5059, (7)Byrd Polar Research Center, Ohio State University, 1090 Carmack Road, Columbus, OH 43210-1002, andrew@pdx.edu
    10:05 AM
    LINKING PERMAFROST AND ACTIVE LAYER SURFACE PROPERTIES TO THERMOKARST RISK
    LEVY, Joseph and SCHMIDT, Logan, Institute for Geophysics, University of Texas, 10100 Burnet Road, Austin, TX 78758, joe.levy@utexas.edu
    10:20 AM
    LONG-TERM, HIGH-FREQUENCY OBSERVATIONS REVEAL SHIFTS IN HYPORHEIC WEATHERING SOLUTE CONCENTRATION-DISCHARGE DYNAMICS IN MCMURDO DRY VALLEY STREAMS, ANTARCTICA
    SINGLEY, Joel G.1, BERGSTROM, Anna2, HENDRICKSON, Patrick J.3, JAROS, Christopher4, SOKOL, Eric4, TORRENS, Christa L.3, WILSON, Colleen E.3, WLOSTOWSKI, Adam N.5 and GOOSEFF, Michael6, (1)Environmental Studies Program, University of Colorado, Boulder, CO 80309; Institute for Arctic and Alpine Research, University of Colorado, Boulder, CO 80309, (2)Mike Gooseff, Mike Gooseff, Institute of Arctic and Alpine Research, 1560 30th st., Boulder, CO 80309, (3)Civil, Environmental, and Architectural Engineering, University of Colorado, Boulder, CO 80309, (4)Institute for Arctic and Alpine Research, University of Colorado, Boulder, CO 80309, (5)Institute for Arctic and Alpine Research, University of Colorado, Boulder, CO 80309; Civil, Environmental, and Architectural Engineering, University of Colorado, Boulder, CO 80309, (6)Civil, Environmental, and Architectural Engineering, University of Colorado, Boulder, CO 80309; Institute for Arctic and Alpine Research, University of Colorado, Boulder, CO 80309, joel.singley@colorado.edu
    10:35 AM
    IRON AND NUTRIENTS IN ANTARCTIC STREAMS FLOWING INTO THE ROSS SEA: POTENTIAL IMPACT ON MARINE PRIMARY PRODUCTION
    OLUND, Sydney1, WELCH, Susan A.1, WELCH, Kathleen A.2, SAELENS, Elsa Dorothea3, LUTTON, Anthony4 and LYONS, W. Berry5, (1)School of Earth Sciences, The Ohio State University, Columbus, OH 43201, (2)Byrd Polar and Climate Research Center, The Ohio State University, 1090 Carmack Rd, 108 Scott Hall, Columbus, OH 43210-1002, (3)The Ohio State University, School of Earth Sciences, 125 South Oval Mall, Columbus, OH 43210, (4)School of Earth Sciences, The Ohio State University, Columbus, OH 43210, (5)School of Earth Sciences, The Ohio State University, 275 Mendenhall Laboratory, 125 South Oval Mall, Columbus, OH 43210-1398, olund.1@osu.edu
    10:50 AM
    DECADAL CHANGES IN HEAT CONTENT, ICE THICKNESS, AND HEAT EXCHANGE OF ICE-COVERED LAKES OF TAYLOR VALLEY, ANTARCTICA
    GOOSEFF, Michael1, OBRYK, Maciej K.2, PRISCU, John C.3, DORAN, Peter4 and CHIUCHIOLO, Amy3, (1)Institute of Arctic and Alpine Research, University of Colorado-Boulder, Boulder, CO 80309, (2)Department of Geology, Portland State University, Portland, OR 97201, (3)Department of Land Resources and Environmental Sciences, Montana State University, P.O. Box 173120, Bozeman, MT 59717-3120, (4)Department of Geology and Geophysics Department, Louisiana State University, E235 Howe Russell Kniffen, Baton Rouge, LA 70803, Michael.Gooseff@colorado.edu
    11:05 AM
    THE IMPACT OF CLIMATE CHANGE ON LAKE VANDA, MCMURDO DRY VALLEYS, ANTARCTICA
    CASTENDYK, Devin, Mining and Mineral Processing, Hatch, 143 Union Blvd., Suite 1000, Lakewood, CO 80228, OBRYK, Maciej K., Department of Geology, Portland State University, Portland, OR 97201, LEIDMAN, Sasha Z., Department of Earth and Planetary Sciences, University of California-Davis, Davis, CA 95616, GOOSEFF, Michael, Institute of Arctic and Alpine Research, University of Colorado-Boulder, Boulder, CO 80309 and HAWES, Ian, Gateway Antarctica, University of Canterbury, Christchurch, 8140, New Zealand, devin.castendyk@hatch.com
    11:20 AM
    THE GEOCHEMISTRY AND MINERALOGY OF SEDIMENTS FROM LAKE HOARE, ANTARCTICA
    LYONS, W. Berry1, MCADAMS, Brandon C.1, WELCH, Susan A.2, SHEETS, Julia M.3, WELCH, Kathleen A.4, DORAN, Peter5, DEUERLING, K.M.6 and DOWLING, Carolyn B.7, (1)School of Earth Sciences, The Ohio State University, 275 Mendenhall Laboratory, 125 South Oval Mall, Columbus, OH 43210-1398, (2)School of Earth Sciences, The Ohio State University, Columbus, OH 43201, (3)SEMCAL, School of Earth Sciences, The Ohio State University, 275 Mendenhall, 125 South Oval Mall, Columbus, OH 43210, (4)Byrd Polar and Climate Research Center, The Ohio State University, 1090 Carmack Rd, 108 Scott Hall, Columbus, OH 43210-1002, (5)Department of Geology and Geophysics Department, Louisiana State University, E235 Howe Russell Kniffen, Baton Rouge, LA 70803, (6)Department of Geological Sciences, University of Florida, 241 Williamson Hall, P.O. Box 112120, Gainesville, FL 32611-2120, (7)Department of Geological Sciences, Ball State University, Muncie, IN 47306, lyons.142@osu.edu
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