GSA 2020 Connects Online

Session No. 121
Wednesday, 28 October 2020: 10:00 AM-12:00 PM

T143. Advances in Beringian Environments and Paleoclimate during the Late Glacial and Early Holocene I

GSA Quaternary Geology and Geomorphology Division; GSA Limnogeology Division; GSA Geoarchaeology Division; GSA Sedimentary Geology Division

 

Lesleigh Anderson, Ben Gaglioti and Mark Abbott, Advocates
Paper #
Start Time
 
10:00 AM
Introductory Remarks
10:05 AM
FRONTIERS IN BERINGIAN QUATERNARY SCIENCE (Invited Presentation)
MANN, Daniel H., Department of Geosciences, University of Alaska Fairbanks, 900 Yukon Drive, Fairbanks, AK 99775, GAGLIOTI, Ben, Water and Environmental Research Center, Institute of Northern Engineering, University of Alaska, Fairbanks, Fairbanks, AK 99775 and FARQUHARSON, Louise, Geophysical Institute Permafrost Laboratory, University of Alaska Fairbanks, 2156 Koyukuk Drive, Fairbanks, AK 99775
10:20 AM
CAN THE PRESENT INFORM OUR PAST INFERENCE ON BERINGIAN ECOSYSTEMS?
MACIAS-FAURIA, Marc, School of Geography & the Environment, University of Oxford, Oxford, OX1 3QY, United Kingdom
 
10:35 AM
Discussion
 
10:45 AM
Break
10:50 AM
THE INTERIOR ALASKAN BOREAL FOREST AND HOLOCENE MOISTURE DYNAMICS
EDWARDS, Mary E., Geography and Environment, University of Southampton, Highfield Campus, Southampton, SO17 1BJ, United Kingdom, ANDERSON, Lesleigh, U.S. Geological Survey, Geosciences and Environmental Change Science Center, PO Box 25046, MS980, Denver Federal Center, Denver, CO 80225, FINNEY, Bruce P., Departments of Biological and Geological Sciences, Idaho State University, Pocatello, ID 83209, BIGELOW, Nancy H., Alaska Quaternary Center, University of Alaska Fairbanks, P.O. Box 755940, Fairbanks, AK 99775-5940 and BARTLEIN, Patrick J., Department of Geography, University of Oregon, 107 Condon Hall, Eugene, OR 97403-1251
11:05 AM
LATE PLEISTOCENE SHRUB EXPANSION PRECEDED MEGAFAUNA EXTINCTIONS IN EASTERN BERINGIA
MONTEATH, Alistair, Earth and Atmospheric Sciences, University of Alberta, Edmonton, AB T6G 2E3, Canada, FROESE, Duane, Earth and Atmospheric Sciences, University of Alberta, 3-029 Centennial Centre for Interdisciplinary Science, Edmonton, AB T6G 2E3, Canada, GAGLIOTI, Ben, Department of Biology and Wildlife, and Water and Environmental Research Center, University of Alaska Fairbanks, Duckering Building 437, 306 Tanana Drive, PO Box 5860, Fairbanks, AK 99775-5860 and EDWARDS, Mary E., Geography and Environment, University of Southampton, Highfield Campus, Southampton, SO17 1BJ, United Kingdom
 
11:20 AM
Break
11:25 AM
MEGAHERBIVORE DYNAMICS AT THE PLEISTOCENE-HOLOCENE TRANSITION IN EASTERN BERINGIA USING MULTIPROXY PALAEOENVIRONMENTAL RECORDS
COCKER, Scott L.1, MURCHIE, Tyler J.2, HARVEY, Jordan3, PISARIC, Michael F.J.4, FROESE, Duane G.3, POINAR, Hendrik N.2 and JENSEN, Britta J.L.3, (1)Department of Earth and Atmospheric Sciences, University of Alberta, 116 St & 85 Ave, Edmonton, AB T63 2RG, Canada; Department of Earth Sciences, Brock University, 1812 Sir Isaac Brock Way, St Catharines, ON L2S 3A1, Canada, (2)Department of Anthropology, McMaster University, 1280 Main St W, Hamilton, ON L8S 4L8, Canada, (3)Department of Earth and Atmospheric Sciences, University of Alberta, 116 St & 85 Ave, Edmonton, AB T63 2RG, Canada, (4)Department of Geography, Brock University, 1812 Sir Isaac Brock Way, St. Catharines, ON L2S 3A1, Canada
11:40 AM
IMPACT-RELATED MICROSPHERULES IN LATE PLEISTOCENE ALASKAN AND YUKON “MUCK” DEPOSITS SIGNIFY RECURRENT EPISODES OF CATASTROPHIC EMPLACEMENT
HAGSTRUM, Jonathan T., U.S. Geological Survey, 350 N. Akron Road, Moffett Field, CA 94035, FIRESTONE, Richard B., Lawrence Berkeley National Laboratory, Berkeley, CA 94720, WEST, Allen, Comet Research Group, Prescott, AZ 86301, WEAVER, James C., Wyss Institute for Biologically Inspired Engineering, Harvard University, Cambridge, MA 02138 and BUNCH, T., Geology Program, School of Earth Science and Environmental Sustainability, Northern Arizona University, Flagstaff, AZ 86011
 
11:50 AM
Discussion
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