Spatial Variability of accumulation across the Western Greenland Ice Sheet Percolation Zone from ground-penetrating-radar and shallow firn cores

Gabriel Lewis1, Erich C Osterberg2, Robert L Hawley1, Hans-Peter Marshall3, Sean D Birkel4, Tate Gregory Meehan5, Karina Graeter6, Thomas B Overly7 and Forrest McCarthy8, (1)Dartmouth College, Department of Earth Sciences, Hanover, NH, United States, (2)Dartmouth College, Department of Earth Sciences, Hanover, United States, (3)Boise State Univ, Boise, ID, United States, (4)University of Maine, Climate Change Institute, Orono, ME, United States, (5)US Army Engineer Research and Development Center, Hanover, NH, United States, (6)Bowdoin College, Department of Earth Sciences, Brunswick, ME, United States, (7)Dartmouth College, Hanover, United States, (8)Arctic Field Leader, Jackson, WY, United States