Constraining periods of reduced Greenland Ice Sheet extent using in situ 10Be-14C-26Al measurements in recently exposed bedrock surfaces

Nicolas E Young, Lamont -Doherty Earth Observatory, Palisades, NY, United States, Jason P Briner, University at Buffalo, Department of Geology, Buffalo, NY, United States, Alia J Lesnek, University at Buffalo, Buffalo, NY, United States, Alexandra Balter, Columbia University, New York, NY, United States, Brandon Grahm, University at Buffalo, Buffalo, United States and Joerg M Schaefer, Lamont-Doherty Earth Observ, Palisades, NY, United States