GSA 2020 Connects Online

Session No. 19
Monday, 26 October 2020: 1:30 PM-5:30 PM

T150. Cold Regions Weathering and Biogeochemical Cycling: Bridging Environments and Approaches

GSA Quaternary Geology and Geomorphology Division; GSA Geobiology and Geomicrobiology Division; GSA Soils and Soil Processes Division; GSA International

 

Joseph A. Graly, Melissa Lafreniere and Ruth Heindel, Advocates
Paper #
Start Time
1:30 PM
THE INFLUENCE OF GLACIER COVER ON IRON AND MANGANESE CYCLING IN PATAGONIAN FJORDS (Invited Presentation)
HAWKINGS, Jon1, SHERRELL, Robert M.2, CONWAY, Tim3, SHOENFELT TROEIN, Elizabeth4, HENDRY, Katharine5, SIEBER, Matthias3, BEATON, Alexander6, TORRES, Rodrigo7, DANERI, Giovanni7, BERTRAND, Sebastien8, KELLERMAN, Anne9, MARSHALL, Matthew10, PRYER, Helena10, NG, Hong Chin5, ROCCANOVA, Joe2, BU, Kaixuan2, BENNING, Liane11, SPENCER, Robert9 and WADHAM, Jemma10, (1)Earth, Ocean and Atmospheric Science, Florida State University, Tallahassee, FL 32306; Interface Geochemistry, GFZ German Research Centre for Geosciences, Potsdam, 14473, Germany, (2)Institute of Marine and Coastal Sciences, Rutgers University, New Brunswick, NJ 08903, (3)College of Marine Science, University of Southern Florida, St Petersburg, FL 33701, (4)Department of Earth, Atmospheric, and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, (5)School of Earth Sciences, University of Bristol, Bristol, BS8 1RL, United Kingdom, (6)Ocean Technology and Engineering, National Oceanography Centre, Southampton, SO14 3ZH, United Kingdom, (7)Centro de InvestigaciĆ³n en Ecosistemas de la Patagonia, Coyhaique, Chile, (8)Department of Geology, Ghent University, Ghent, 9000, Belgium, (9)Earth, Ocean and Atmospheric Science, Florida State University, Tallahassee, FL 32306, (10)School of Geographical Sciences, University of Bristol, Bristol, BS8 1SS, United Kingdom, (11)Interface Geochemistry, GFZ German Research Centre for Geosciences, Potsdam, 14473, Germany
1:45 PM
IMPACT OF GLACIAL RETREAT AND WEATHERING ON NORTH ATLANTIC ND ISOTOPES
AN, Emily N.1, MARTIN, Ellen E.2, DEUERLING, Kelly3 and MARTIN, Jonathan B.2, (1)Department of Geological Sciences, University of Florida, 241 Williamson Hall, Gainesville, FL 32611, (2)Department of Geological Sciences, University of Florida, 241 Williamson Hall, Gainesville, FL 32611-2120, (3)Department of Natural & Applied Sciences, University of Wisconsin Green Bay, Green Bay, WI 54311
2:00 PM
HYPER-ACIDITY AND METAL LOADING RELATED TO SHALE WEATHERING IN ARCTIC CANADA- TOXIC STEW OF THE SMOKING HILLS
GRASBY, Stephen E.1, SMITH, I. Rod1, GALLOWAY, Jennifer2 and BRINGUƉ, Manuel1, (1)Geological Survey of Canada, 3303 33 St NW, Calgary, AB T2L 2A7, Canada, (2)Geological Survey of Canada, 3303-33rd Street N.W., Calgary, AB T3A0A2, Canada
2:15 PM
THAW FEATURES IN CONTINUOUS PERMAFROST CONTRIBUTE MINOR AMOUNTS OF MERCURY TO DOWNSTREAM ENVIRONMENTS IN THE OLD CROW RIVER, YUKON
STANISZEWSKA, Kasia J.1, COOKE, Colin A.2, REYES, Alberto V.1 and ZAZULA, Grant D.3, (1)Earth and Atmospheric Sciences, University of Alberta, 1-26 Earth Sciences Building, Department of Earth & Atmospheric Sciences, Edmonton, AB T6G2E3, Canada, (2)Environment and Parks, Government of Alberta, Edmonton, AB T5J 1P1, Canada; Earth and Atmospheric Sciences, University of Alberta, 1-26 Earth Sciences Building, Department of Earth & Atmospheric Sciences, Edmonton, AB T6G2E3, Canada, (3)Yukon Palaeontology Program, P.O. Box 2703 L2A, Whitehorse, YT Y1A 2C6, Canada
2:30 PM
INSIGHTS INTO GEOCHEMICAL WEATHERING AND ATMOSPHERIC CO2 DRAWDOWN IN PROGLACIAL RIVERS (BANFF AND JASPER NATIONAL PARKS, CANADA)
SERBU, Jessica A. and ST.LOUIS, Vincent L., Biological Sciences, University of Alberta, Edmonton, AB T6G 2E9, Canada
2:45 PM
EFFECTS OF MINERAL WEATHERING ON IRON, SULFUR AND PHOSPHORUS GEOCHEMISTRY ALONG A DEGLACIATED CHRONOSEQUENCE IN SOUTHWEST GREENLAND
PAIN, Andrea J., MARTIN, Jonathan B. and MARTIN, Ellen E., Department of Geological Sciences, University of Florida, 241 Williamson Hall, Gainesville, FL 32611-2120
3:00 PM
CHANGES IN SUBGLACIAL WATER CHEMISTRY OF THE LEWIS CLIFF REGION OF THE EAST ANTARCTIC ICE SHEET FROM MIS 5 TO MIS 2
TINGLOF, Chloe Noelle1, PICCIONE, Gavin G.2, BLACKBURN, Terrence2, RASBURY, Troy3, LICHT, Kathy4 and TULACZYK, Slawek5, (1)Department of Earth and Planetary Sciences, University of California Santa Cruz, 1156 High Street, Santa Cruz, CA 95064, (2)Department of Earth and Planetary Science, University of California Santa Cruz, 1156 High Street EMS A232, Santa Cruz, CA 95064, (3)Department of Geosciences, Stony Brook University, Stony Brook, NY 11794, (4)Department of Earth Sciences, Indiana University-Purdue University Indianapolis, 723 West Michigan Street, SL 118, Indianapolis, IN 46202, (5)Department of Earth and Planetary Sciences, University of California, Santa Cruz, 1156, High Street, Santa Cruz, CA 95064
3:15 PM
METEORIC 10BE AS A TRACER FOR SUBGLACIAL CHEMICAL WEATHERING IN EAST ANTARCTICA
ARNARDOTTIR, Eirika O.1, GRALY, Joseph A.2, LICHT, Kathy1 and CAFFEE, Marc W.3, (1)Department of Earth Sciences, Indiana University-Purdue University Indianapolis, 723 West Michigan Street, SL 118, Indianapolis, IN 46202, (2)Department of Earth Sciences, Indiana University-Purdue University Indianapolis, 723 West Michigan Street, SL 118, Indianapolis, IN 46202; Geography and Environmental Science, Northumbria University, 2 Ellison Pl, Newcastle upon Tyne, NE1 8ST, United Kingdom, (3)Department of Physics and Astronomy and Department of Earth, Atmospheric, and Planetary Sciences, Purdue University, West Lafayette, IN 47907
3:30 PM
SUBGLACIAL PRECIPITATES RECORD EAST ANTARCTIC ICE SHEET RESPONSE TO PLEISTOCENE CLIMATE CYCLES
PICCIONE, Gavin G.1, BLACKBURN, Terrence2, TULACZYK, Slawek3, RASBURY, Troy4, NORTHRUP, Paul4 and CHENEY, Brandon2, (1)Department of Earth and Planetary Science, University of California Santa Cruz, 1156 High Street EMS A232, Santa Cruz, CA 95064, (2)Earth and Planetary Sciences, UC Santa Cruz, 1156 High St EMS A232, Santa Cruz, CA 95064, (3)Department of Earth and Planetary Sciences, University of California, Santa Cruz, 1156, High Street, Santa Cruz, CA 95064, (4)Department of Geosciences, Stony Brook University, Stony Brook, NY 11794
4:00 PM
CARBON GAS CYCLING IN SUPRAGLACIAL DEBRIS COVERS
BROWN, Grace1, BROCK, Ben1, MANN, Paul1 and DUNNING, Stuart2, (1)Geography, Northumbria University, Newcastle-Upon-Tyne, NE1 8ST, United Kingdom, (2)Geography, Politics & Sociology, Newcastle University, Newcastle-Upon-Tyne, NE1 7RU, United Kingdom
4:10 PM
SUBGLACIAL LAKE SEDIMENTS FROM MIS 5 ACCESSED AT A SUPRAGLACIAL MORAINE
PINTER, Sophia1, PICCIONE, Gavin G.2, BLACKBURN, Terrence2, BRODSKY, Emily E.3, TULACZYK, Slawek4 and CHENEY, Brandon4, (1)Earth and Planetary Sciences, University of California Santa Cruz, 1156 High St., Santa Cruz, CA 95064, (2)Department of Earth and Planetary Science, University of California Santa Cruz, 1156 High Street EMS A232, Santa Cruz, CA 95064, (3)Earth and Planetary Sciences, University of California, Santa Cruz, 1156 High St, Santa Cruz, CA 95064, (4)Department of Earth and Planetary Sciences, University of California, Santa Cruz, 1156, High Street, Santa Cruz, CA 95064
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