GSA 2020 Connects Online

Session No. 145
Wednesday, 28 October 2020: 1:30 PM-5:30 PM

T138. Sea Level and Ice-Sheet Changes, Glacial Isostatic Adjustment, and Landscape Evolution II

GSA Quaternary Geology and Geomorphology Division; GSA Marine and Coastal Geoscience Division; GSA Sedimentary Geology Division

 

Jessica R. Creveling, Vivi Pedersen and Natalya Gomez, Advocates
Paper #
Start Time
 
1:30 PM
Introductory Remarks
1:35 PM
GLACIAL ISOSTATIC ADJUSTMENT DIRECTED INCISION OF THE CHANNELED SCABLAND BY ICE-AGE MEGAFLOODS
PICO, Tamara1, LAMB, Michael P.1, LARSEN, Isaac J.2, DAVID, Scott2 and MIX, Alan C.3, (1)Geological and Planetary Sciences, California Institute of Technology, 1200 E. California Blvd, Pasadena, CA 91125, (2)Department of Geosciences, University of Massachusetts Amherst, Amherst, MA 01003, (3)College of Earth, Ocean, and Atmospheric Sciences, Oregon State University, 104 CEOAS Admin Bldg, Corvallis, OR 97331
1:50 PM
THE PRE-GLACIAL PLIOCENE MISSISSIPPI RIVER DRAINAGE DIVIDE IN CANADA
KWON, Youngsang, Earth Sciences, University of Memphis, 235 Johnson Hall, Memphis, TN 38152 and VAN ARSDALE, Roy B., Earth Sciences, University of Memphis, 488 Patterson Street, Memphis, TN 38152
2:05 PM
DIFFERENTIATING QUATERNARY ESTUARINE DEPOSITS FROM POTENTIAL PRE-LATE WISCONSIN OUTWASH DEPOSITS SOUTHWESTERN WASHINGTON COAST
STANTON, Kelsay M. and CRIDER, Juliet G., Earth and Space Sciences, University of Washington, Seattle, WA 98195
 
2:20 PM
Discussion
 
2:35 PM
Break
2:40 PM
THE ORIGIN OF MODERN ATOLLS: CHALLENGING DARWIN’S DEEPLY INGRAINED THEORY
DROXLER, André W., Department of Earth, Environmental and Planetary Sciences, Rice University, 6100 Main Street, MS-126, Houston, TX 77005 and JORRY, Stéphan J., Unité Géosciences Marines,, IFREMER,, Plouzané, 29280, France
2:55 PM
UPPER SLOPE 3D MORPHOLOGIES ALONG THE LIGHTHOUSE REEF MARGIN (BELIZE): PUNCTUATED GLOBAL RECORD OF LAST DEGLACIAL SEA LEVEL FLUCTUATIONS?
BAYKUT, Tanyel1, JOHNSON, Joshua2, DROXLER, André W.1, PARSONS, Dan2, MOODIE, Andrew J.1 and NITTROUER, Jeffrey A.1, (1)Department of Earth, Environmental and Planetary Sciences, Rice University, 6100 Main Street, MS-126, Houston, TX 77005, (2)Energy and Environment Institute, University of Hull, Cottingham Rd, Hull, HU6 7RX, United Kingdom
 
3:10 PM
Discussion
3:20 PM
EARLY HOLOCENE GLOBAL DEGLACIAL HISTORY
MUKHERJEE, Udita, Tulane University, 6823 St Charles Avenue, New Orleans, LA 70115, CAHILL, Niamh, Department of Mathematics and Statistics, Maynooth University, Maynooth, W23 F2K8, Ireland and TORNQVIST, Torbjörn E., Earth and Environmental Sciences, Tulane University, 6823 St. Charles Ave, New Orleans, LA 70118
3:30 PM
LAKES HISTORY: A KEY TO UNDERSTANDING THE DEGLACIATION PATTERN OF THE LAURENTIDE AND LANAUDIERE REGION (SOUTHERN QUEBEC)
ROBITAILLE, Alexis1, DAIGNEAULT, Robert-André1 and CARON, Olivier J.2, (1)Département de Géographie, Université du Québec à Montréal (UQAM), 405 Rue Sainte-Catherine Est, Montreal, QC H2L 2C4, Canada, (2)Département de Géographie, Université du Québec à Montréal, 405 Rue Sainte-Catherine Est, Montreal, QC H2L 2C4, Canada
3:40 PM
POST LAST GLACIAL MAXIMUM ICE RETREAT FROM GLACIOLACUSTRINE STRATIGRAPHY IN LAGO ARGENTINO (PATAGONIA, ARGENTINA)
FEDOTOVA, Anastasia and MAGNANI, Maria Beatrice, Roy M. Huffington Department of Earth Sciences, Southern Methodist University, Dallas, TX 75275
3:50 PM
CONSISTENT FLOW PATTERNS OF THE ARGOSY GLACIER DETERMINED FROM THE PROVENANCE OF GLACIAL TILL IN ONG VALLEY, ANTARCTICA
MORGAN, Daniel1, MILLER, Ellie M.1, MIRANDA, Evan J.1, EDWARDS, Katherine L.1, LIU, Julia D.1, CRIBB, Warner2, BERGELIN, Marie3, PUTKONEN, Jaakko3 and BALCO, Greg4, (1)Earth and Environmental Sciences, Vanderbilt University, PMB 351805, 2301 Vanderbilt Place, Nashville, TN 37235, (2)Geosciences, Middle Tennessee State University, MTSU PO Box 9, Murfreesboro, TN 37132, (3)Harold Hamm School of Geology and Geological Engineering, University of North Dakota, 81 Cornell St, STOP 8358, Grand Forks, ND 58202-8358, (4)Berkeley Geochronology Center, 2455 Ridge Road, Berkeley, CA 94709
4:00 PM
CHANGES IN BEACH DEPOSIT CHARACTERISTICS ON JOINVILLE AND LIVINGSTON ISLANDS, ANTARCTIC PENINSULA
THEILEN, Brittany M.1, SIMMS, Alexander R.1, GERNANT, Cameron1, ZURBUCHEN, Julie1 and DEWITT, Regina2, (1)Department of Earth Science, University of California, Santa Barbara, 1006 Webb Hall, Santa Barbara, CA 93106, (2)Physics, East Carolina University, Howell Science Complex, Rm C-209 1000 E. 5th Street Greenville, NC 27858, Greenville, NC 27858
 
4:10 PM
Concluding Remarks
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