Widespread Permafrost Thaw During Marine Isotope Stage 11 from Arctic Speleothems

Jeremy D Shakun1, Nicole Biller2, David McGee3, Benjamin F Hardt4, Corinne I Wong2, Derek Ford5 and Bernard Lauriol6, (1)Boston College, Department of Earth and Environmental Sciences, Chestnut Hill, MA, United States, (2)Boston College, Chestnut Hill, MA, United States, (3)Massachusetts Institute of Technology, Department of Earth, Atmospheric, and Planetary Sciences, Cambridge, United States, (4)Massachusetts Institute of Technology, Earth, Atmospheric and Planetary Sciences, Cambridge, MA, United States, (5)McMaster University, Hamilton, ON, Canada, (6)University of Ottawa, Ottawa, ON, Canada