Flow response to supraglacial lake drainage events implicates partially channelized subglacial drainage system beneath Helheim Glacier, East Greenland

Laura Stevens1, Meredith Nettles1, James L Davis2, Timothy T Creyts3, Jonathan Kingslake4 and Aaron Grey Stubblefield1, (1)Columbia University, Lamont-Doherty Earth Observatory, Palisades, NY, United States, (2)Lamont-Doherty Earth Obervator, Lamont-Doherty Earth Observatory, Palisades, NY, United States, (3)Columbia University-LDEO, Palisades, NY, United States, (4)Lamont-Doherty Earth Observatory, Columbia University, Palisades, NY, United States