Constraints on the Timing and Extent of Deglacial Grounding Line Retreat in West Antarctica from Subglacial Sediments

Ryan Venturelli1, Brenna Boehman2, Christina Davis3, Jon Hawkings4, Sarah Ellen Johnston5, Chloe Gustafson6, Alexander B Michaud7, Cyrille Mosbeux8, Matthew Siegfried9, Trista Vick-Majors10, Valier Galy11, Robert G Spencer12, Sophie Warny13, Brent Christner14, John E Dore15, Helen Amanda Fricker6, David M Harwood16, Amy Leventer17, John C Priscu18, Mark L Skidmore19, Brad E Rosenheim20 and SALSA Science Team, (1)Colorado School of Mines, Golden, United States, (2)Woods Hole Oceanographic Institution, Woods Hole, MA, United States, (3)University of Florida, Microbiology and Cell Science, Ft Walton Beach, FL, United States, (4)Florida State University, Earth, Ocean and Atmospheric Science, Tallahassee, FL, United States, (5)University of Lethbridge, Lethbridge, AB, Canada, (6)University of California, San Diego, Scripps Institution of Oceanography, La Jolla, CA, United States, (7)Montana State University, Bozeman, United States, (8)LGGE Laboratoire de Glaciologie et Géophysique de l’Environnement, Saint Martin d'Hères, France, (9)Colorado School of Mines, Department of Geophysics, Hydrologic Science & Engineering Program, Golden, CO, United States, (10)Michigan Technological University, Biological Sciences, Houghton, MI, United States, (11)WHOI-MCG, Woods Hole, MA, United States, (12)Florida State University, Tallahassee, United States, (13)Louisiana State University, Geology & Geophysics, and Museum of Natural Science, Baton Rouge, LA, United States, (14)University of Florida, Microbiology and Cell Science, Gainesville, FL, United States, (15)Montana State University, Department of Land Resources and Environmental Sciences, Bozeman, MT, United States, (16)University of Nebraska Lincoln, Department of Earth and Atmospheric Sciences, Lincoln, NE, United States, (17)Colgate University, Hamilton, NY, United States, (18)Montana State University, Department of Land Resources and Environmental Science, Bozeman, MT, United States, (19)Montana State University, Department of Earth Sciences, Bozeman, MT, United States, (20)University of South Florida St. Petersburg, College of Marine Science, St Petersburg, FL, United States
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