A >1 km-thick Grounded Ice Shelf in Baffin Bay Buttressed the Greenland, Laurentide, and Innuitian Ice Sheets During the Last Glacial Maximum

Shannon Klotsko, University of North Carolina at Wilmington, Earth and Ocean Sciences, and Center for Marine Science, Wilmington, NC, United States, Robert G Hatfield, University of Florida, Department of Geological Sciences, Ft Walton Beach, FL, United States, Brendan Reilly, Lamont-Doherty Earth Observatory, Columbia University, Palisades, United States, Anne E Jennings, University of Colorado, INSTAAR, Boulder, United States, Andrew M. W. Newton, Queen's University Belfast, Belfast, BT9, United Kingdom, Erin Gregory, University of North Carolina at Wilmington, Earth and Ocean Science, Wilmington, United States, Alan C Mix, Oregon State University, College of Earth, Ocean, and Atmospheric Sciences, Corvallis, United States, Joseph S Stoner, Oregon State University, College of Earth, Ocean, and Atmospheric Sciences, Corvallis, OR, United States, Maureen H Walczak, University of Washington, Seattle, United States, Lauren Lewright, Columbia University, Lamont-Doherty Earth Observatory, Palisades, United States and Jacqueline Austermann, Lamont-Doherty Earth Observatory of Columbia University, Palisades, United States