2015 GSA Annual Meeting in Baltimore, Maryland, USA (1-4 November 2015)

Session No. 283
Wednesday, 4 November 2015: 8:00 AM-12:00 PM
Room 307 (Baltimore Convention Center)

T191. Reconstructing Arctic Glaciers and Ice Sheets: Chronology, Geomorphology, and Climate Records

GSA Quaternary Geology and Geomorphology Division
Sarah M. Principato, Jason P. Briner and Nicolás E. Young, Session Chairs
Paper #
Start Time
 
8:00 AM
Introductory Remarks
8:05 AM
LATE WEICHSELIAN-EARLY HOLOCENE GLACIAL HISTORY OF NORTHWEST ICELAND, CONSTRAINED BY 36CL COSMOGENIC EXPOSURE AGES
SCHOMACKER, Anders, Natural History Museum of Denmark, University of Copenhagen, Oster Voldgade 5-7, Copenhagen, DK-1350, Denmark, BRYNJOLFSSON, Skafti, Icelandic Institute of Natural History, Borgum við Norðurslóð, Akureyri, IS-602, Iceland, INGÓLFSSON, Ólafur, Institute of Earth Sciences, University of Iceland, Askja, Sturlugata 7, Reykjavík, IS-101, Iceland and KEIDING, Jakob K., Geological Survey of Norway (NGU), Postboks 6315 Sluppen, Trondheim, N-7491, Norway, anders.schomacker@ntnu.no
8:25 AM
DRANGAJOKULL SURGES DURING THE LAST 300 YEARS, UNIQUE SURGE CHARACTERISTICS IN TERMS OF ICELANDIC SURGE-TYPE GLACIERS
BRYNJOLFSSON, Skafti, Department of Geology, NTNU, Sem Sælandsveg 1, Trondheim, N-7491, Norway; Icelandic Institute of Natural History, Borgum við Norðurslóð, Akureyri, IS-602, Iceland; Faculty of Earth Sciences, University of Iceland, Sturlugat 7, Reykjavík, 101, Iceland, SCHOMACKER, Anders, Natural History Museum of Denmark, University of Copenhagen, Oster Voldgade 5-7, Copenhagen, DK-1350, Denmark, KORSGAARD, Niels J., Centre for GeoGenetics, Natural History Museum of Denmark, University of Copenhagen, Øster Voldgade 5-7, Copenhagen, DK-1350, Denmark and INGOLFSSON, Olafur, Department of Arctic Geology, University Centre in Svalbard (UNIS), P.O.Box 156, Longyearbyen, 9171, Norway, skafti@ni.is
8:40 AM
SURGING GLACIERS IN ICELAND – RESEARCH STATUS AND FUTURE CHALLENGES
INGOLFSSON, Olafur1, BENEDIKTSSON, Ivar Orn2, SCHOMACKER, Anders3, KJAER, Kurt H.4, BRYNJOLFSSON, Skafti5, JONSSON, Sverrir A.6, KORSGAARD, Niels J.4 and JOHNSON, Mark D.7, (1)Faculty of Earth Sciences, University of Iceland, Sturlugata 7, Reykjavik, Is-101, Iceland; Department of Arctic Geology, University Centre in Svalbard (UNIS), P.O.Box 156, Longyearbyen, 9171, Norway, (2)Department of Geology, Lund university, Sölvegatan 12, Lund, SE-223 62, Sweden, (3)Natural History Museum of Denmark, University of Copenhagen, Oster Voldgade 5-7, Copenhagen, DK-1350, Denmark, (4)Centre for GeoGenetics, Natural History Museum of Denmark, University of Copenhagen, Øster Voldgade 5-7, Copenhagen, DK-1350, Denmark, (5)Department of Geology, NTNU, Sem Sælands veg 1, Trondheim, N-7491, Norway, (6)Faculty of Earth Sciences, University of Iceland, Sturlugata 7, Reykjavik, 101, Iceland, (7)Earth Science, University of Gothenburg, Box 460, 405 30 Göteborg, Göteborg, 405 30, Sweden, olafuri@unis.no
8:55 AM
AN ABRUPT AND SEA-ICE DRIVEN LIA EXPANSION OF DRANGAJÖKULL, VESTFIRÐIR, ICELAND
HARNING, David, Institute of Earth Sciences, University of Iceland, Sturlugata 7, Reykjavík, 101, Iceland; INSTAAR, University of Colorado, Boulder, CO 80303, GEIRSDÓTTIR, Áslaug, Institute of Earth Sciences, University of Iceland, Sturlugata 7, Reykjavík, 101, Iceland, MILLER, Gifford H., INSTAAR and Geological Sciences, University of Colorado, Boulder, CO 80309-0450 and BELART, Joaquín M.C., Institute of Earth Sciences, University of Iceland, Sturlugata 7, Reykjavík, 101, Iceland; Laboratoire d'Etudes en Géophysique et Océanographique Spatiales, Université de Toulouse, Toulouse, 31400, France, dharning@gmail.com
9:10 AM
MAKING SENSE OF THE VARVE STRATIGRAPHY OF GLACIER-FED LAKE LINNé, SVALBARD, NORWAY
WERNER, Al, Geology and Geography, Mount Holyoke College, South Hadley, MA 01075, RETELLE, Michael J., Department of Geology, Bates College, Lewiston, ME 04240 and ROOF, Steven R., School of Natural Science, Hampshire College, Amherst, MA 01002, awerner@mtholyoke.edu
9:25 AM
RESOLVING THE PEAK LAST INTERGLACIAL SEA-LEVEL BUDGET
CARLSON, Anders E., College of Earth, Ocean, and Atmospheric Sciences, Oregon State University, Corvallis, OR 97331, acarlson@coas.oregonstate.edu
 
9:45 AM
Break
10:00 AM
RETREAT OF THE GREENLAND AND INNUITIAN ICE SHEETS FROM THE SOUTHERN AND NORTHERN ENDS OF NARES STRAIT
JENNINGS, Anne E., INSTAAR and Dept. of Geological Sciences, Univ of Colorado, 450 UCB, Boulder, CO 80309, ANDREWS, John T., INSTAAR and Dept. of Geological Sciences, Univ of Colorado, 450 UCB, Boulder, CO 80309-0450, OLIVER, Brett, Geological Sciences, University of Colorado, Boulder, 80309 and BAILEY, Ethan, Geography and ATOC, University of Colorado, Boulder, 80309, Anne.Jennings@colorado.edu
10:15 AM
CONSTRAINING MULTI-STAGE EXPOSURE-BURIAL SCENARIOS FOR BOULDERS PRESERVED BENEATH COLD-BASED ICE IN THULE, NORTHWEST GREENLAND
CORBETT, Lee B.1, BIERMAN, Paul R.1 and ROOD, Dylan H.2, (1)Department of Geology and Rubenstein School of Environment and Natural Resources, University of Vermont, Delehanty Hall, 180 Colchester Ave, Burlington, VT 05405, (2)Department of Earth Science and Engineering, Imperial College London, Royal School of Mines, South Kensington Campus, London, SW7 2AZ, United Kingdom, Ashley.Corbett@uvm.edu
10:35 AM
COSMOGENIC NUCLIDE INSIGHTS INTO QUATERNARY LANDSCAPE EVOLUTION AND ICE SHEET HISTORY OF CENTRAL-WEST AND SOUTHWEST GREENLAND
BEEL, Casey R., Earth, Atmospheric, and Planetary Sciences, Purdue University, 550 Stadium Mall Drive, West Lafayette, IN 47907, LIFTON, Nathaniel A., Depts. of Earth, Atmospheric, and Planetary Sciences, and Physics and Astronomy, Purdue University, 550 Stadium Mall Drive, West Lafayette, IN 47907, BRINER, Jason P., Department of Geological Sciences, University at Buffalo, 126 Cooke Hall, Buffalo, NY 14260 and GOEHRING, Brent M., Dept. of Earth and Environmental Sciences, Tulane University, 6823 St Charles Ave, New Orleans, LA 70118, nlifton@purdue.edu
10:50 AM
LATE GLACIAL AND HOLOCENE HISTORY OF THE GREENLAND ICE SHEET MARGIN, NUNATARSSUAQ, NORTHWESTERN GREENLAND
FARNSWORTH, Lauren1, KELLY, Meredith A.2, AXFORD, Yarrow3, BROMLEY, Gordon4, OSTERBERG, Erich C.1, HOWLEY, Jennifer A.2, ZIMMERMAN, Susan H.5, JACKSON, Margaret S.2, LASHER, G. Everett3 and MCFARLIN, Jamie3, (1)Earth Sciences, Dartmouth College, HB 6105 Fairchild Hall, Hanover, NH 03755, (2)Department of Earth Sciences, Dartmouth College, HB 6105 Fairchild Hall, Hanover, NH 03755, (3)Department of Earth and Planetary Sciences, Northwestern University, Technological Institute, 2145 Sheridan Road, Evanston, IL 60208, (4)School of Earth and Climate Sciences and Climate Change Institute, University of Maine, Bryand Global Sciences Center, Orono, ME 04469, (5)Center for Accelerator Mass Spectrometry, Lawrence Livermore National Laboratory, Livermore, CA 94550, Lauren.B.Farnsworth.GR@dartmouth.edu
11:05 AM
GLACIER MAXIMA IN BAFFIN BAY DURING THE MEDIEVAL WARM PERIOD
YOUNG, Nicolás E., Lamont-Doherty Earth Observatory, Columbia University, 219 Comer, 61 Route 9W - PO Box 1000, Palisades, NY 10964-8000, SCHWEINSBERG, Avriel, Department of Geology, University at Buffalo, 411 Cooke Hall, Buffalo, NY 14260, BRINER, Jason, Department of Geology, University at Buffalo, 126 Cooke Hall, Buffalo, NY 14260 and SCHAEFER, Joerg M., Lamont-Doherty Earth Observatory, Columbia University, Palisades, NY 10964, nicolasy@ldeo.columbia.edu
11:20 AM
AGE OF AN ICE DAMMED LAKE ON THE LEE SIDE OF THE CATSKILL MOUNTAINS, NEW YORK, AND ROUGH ESTIMATES FOR THE RATE OF ICE ADVANCE TO THE LAST GLACIAL MAXIMUM
RAYBURN, John A., Department of Geology, SUNY New Paltz, 1 Hawk Drive, New Paltz, NY 12561, DE SIMONE, David J., De Simone Geoscience Investigations, 957 Babcock Lake Rd, Petersburg, NY 12138, STALEY, Amie E., Department of Geosciences, Idaho State University, 921 South 8th Ave., Box 8072, Pocatello, ID 83209, MAHAN, Shannon A., U.S. Geological Survey, Denver Federal Center, Denver, CO 80225 and STONE, Byron D., U.S. Geological Survey, Eastern Geology and Paleoclimate Science Center, 101 Pitkin Street, East Hartford, CT 06108, rayburnj@newpaltz.edu
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