PP014
In and Out of the Ice Age: Sea Level, Ice Sheets, and Climate During Ice Age Transitions II

Tuesday, 8 December 2020: 17:30-18:30
Virtual
Primary Convener:  Jacqueline Austermann, Columbia University, Lamont-Doherty Earth Observatory, Palisades, NY, United States
Conveners:  Tamara Pico, Harvard University, Earth and Planetary Sciences, Cambridge, MA, United States, Benjamin Andrew Keisling, UMass Amherst-Geosciences, Amherst, MA, United States and Jerry F McManus, Columbia U. / LDEO, Palisades, NY, United States
Primary Liaison:  Jacqueline Austermann, Harvard University, Cambridge, MA, United States
Chairs:  Tamara Pico, Harvard University, Earth and Planetary Sciences, Cambridge, MA, United States, Jerry F McManus, Columbia U. / LDEO, Palisades, NY, United States, Benjamin Andrew Keisling, UMass Amherst-Geosciences, Amherst, MA, United States and Jacqueline Austermann, Harvard University, Cambridge, MA, United States
OSPA Liaison:  Benjamin Andrew Keisling, UMass Amherst-Geosciences, Amherst, MA, United States
17:30
The Contribution of Atmospheric Feedbacks on Ice Sheet Evolution during the Last Deglaciation (698904)
Heather Andres, Memorial University of Newfoundland, St John's, NL, Canada and Lev Tarasov, Memorial University of Newfoundland, St John's, Canada
17:34
A biomarker record of vegetation change in the Indian Summer Monsoon dominant southwestern Sri Lanka during the last deglaciation. (775197)
Pradeep N Ranasinghage, University of Ruhuna, Department of Oceanography and Marine Geology, Matara, Sri Lanka, Nadee Uthpala Nanayakkara, Geological Survey and Mines Bureau Sri Lanka, Pitakotte, Sri Lanka, Tilak Hewawasam, Department of Geography, Faculty of Arts, University of Peradeniya, Peradeniya, Sri Lanka, Ranjith Mahanama, University of Colombo, Department of Chemistry, Colombo, Sri Lanka and Sharani Kodithuwakku, The University of Western Australia, Ocean Institute, Perth, Australia
17:38
What can advances in Antarctic deglacial sediment 14C dating tell us about grounding line evolution? (748273)
Brad E Rosenheim1, Ryan Venturelli2, Cristina Subt3, Imogen Mireille Browne4, Theresa M King5, Timothy Campbell6, Philip J Bart7, John E Dore8, David M Harwood9, Jonathan Kingslake10, Jae-Il Lee11, Amy Leventer12, Alexander B Michaud13, Molly Patterson14, Amelia Shevenell15, Matthew Siegfried16, Mark L Skidmore6, Kyu-Cheul Yoo11, Ho Il Yoon17 and SALSA Science Team, (1)University of South Florida St. Petersburg, St Petersburg, FL, United States, (2)University of South Florida, St Petersburg, United States, (3)El Paso Community College, Geological Sciences, El Paso, TX, United States, (4)University of University of South Florida,, St. Petersburg, FL, United States, (5)University of South Florida, College of Marine Science, Tampa, FL, United States, (6)Montana State University, Earth Sciences, Bozeman, MT, United States, (7)Louisiana State Univ, Baton Rouge, LA, United States, (8)Montana State University, Department of Land Resources and Environmental Sciences, Bozeman, MT, United States, (9)University of Nebraska Lincoln, Lincoln, NE, United States, (10)Lamont-Doherty Earth Observatory, Columbia University, Palisades, NY, United States, (11)Korea Polar Research Institute, Incheon, South Korea, (12)Colgate University, Geology, Hamilton, NY, United States, (13)Bigelow Lab for Ocean Sciences, East Boothbay, ME, United States, (14)Binghampton University, Binghamton, NY, United States, (15)University of South Florida, Tampa, FL, United States, (16)Colorado School of Mines, Geophysics, Golden, CO, United States, (17)KOPRI, Incheon, South Korea
17:42
The Impact of Bottom Water Temperature on Glacial Retreat and Methane Release in Storfjorden Trough, NW Barents Sea (679548)
Naima El bani Altuna1, Tine Lander Rasmussen2, Mohamed Ezat3, Sunil Vadakkepuliyambatta3, Henry Patton4, Jeroen Groeneveld5 and Mervyn Greaves6, (1)University of Tromso - The Artic University of Norway, Tromsø, Norway, Norway, (2)Univ Tromso, Tromso, Norway, (3)University of Tromsø, Tromsø, Norway, (4)CAGE - Centre for Arctic Gas Hydrate, Environment and Climate, UiT The Arctic University of Norway, Department of Geoscience, Tromsø, Norway, (5)Alfred Wegener Institute, Helmholtz Center for Polar and Marine Research, Potsdam, Germany, (6)University of Cambridge, Godwin Laboratory for Palaeoclimate Research, Cambridge, United Kingdom
17:46
Improving reconstructions of Northern European and Arctic Holocene Relative Sea Level: a data-model synthesis (742824)
Roger Creel1, Jacqueline Austermann2, William J D'Andrea1, Nicole Khan3, Nicholas Balascio4, Blake Dyer5 and Erica L. Ashe6, (1)Columbia University, Lamont-Doherty Earth Observatory, Palisades, NY, United States, (2)Lamont -Doherty Earth Observatory, Columbia University, Department of Earth and Environmental Sciences, Palisades, NY, United States, (3)University of Hong Kong, Department of Earth Sciences, Hong Kong, Hong Kong, (4)College of William and Mary, Geology, Williamsburg, VA, United States, (5)University of Victoria, Earth and Ocean Sciences, Victoria, BC, Canada, (6)Rutgers University New Brunswick, New Brunswick, NJ, United States
17:50
Out of the Ice-Age: Mega-Tides of the Arctic Ocean and the Bölling-Alleröd, Younger Dryas Transition (661615)
Jesse Velay-Vitow, University of Toronto, Toronto, ON, Canada and W Richard Peltier, Univ Toronto, Toronto, ON, Canada
17:54
New constraints on Meltwater Pulse 1A from U-series dating of Tahitian fossil corals (711101)
Peter McNeil Chutcharavan1, Andrea Dutton2, Paul Blanchon3, Jody Webster4, R. Lawrence Edwards5, Xianglei Li6, Gilbert Camoin7, Edouard G Bard7, Pierre Deschamps7 and Bruno Hamelin7, (1)University of Florida, Geological Sciences, Ft Walton Beach, FL, United States, (2)University of Wisconsin Madison, Geoscience, Madison, WI, United States, (3)National Autonomous University of Mexico, Institute of Marine Sciences & Limnology, Puerto Morelos, QR, Mexico, (4)University of Sydney, Geocoastal Research Group, School of Geosciences, Sydney, NSW, Australia, (5)University of Minnesota Twin Cities, Earth and Environmental Science, Minneapolis, MN, United States, (6)University of Minnesota, Department of Earth Sciences, Minneapolis, MN, United States, (7)CEREGE, Aix-en-Provence Cedex, France
17:58
Inverting the magnitude and sources of Meltwater Pulse 1A by fingerprinting sea-level constraints (667014)
Yucheng Lin1,2, Fiona D Hibbert2,3, Pippa Whitehouse1, Sarah Alice Woodroffe1, Anthony Patrick Purcell2, Ian Shennan1 and Sarah Bradley4, (1)Durham University, Department of Geography, Durham, United Kingdom, (2)Australian National University, Research School of Earth Sciences, Canberra, Australia, (3)University of York, Department of Environment and Geography, York, United Kingdom, (4)The University of Sheffield, Department of Geography, Sheffield, United Kingdom
18:02
Discussion