Revealing Grain Size Variability Across the Percolation Zone of the Greenland Ice Sheet through Hyperspectral Imaging of Shallow Firn Cores

Ian McDowell, University of Nevada, Reno, Graduate Program of Hydrologic Sciences, Reno, NV, United States, McKenzie Skiles, University of Utah, Geography, Salt Lake City, United States, Kaitlin M Keegan, University of Nevada, Reno, Department of Geological Sciences and Engineering, Reno, United States, Erich C Osterberg, Dartmouth College, Department of Earth Sciences, Hanover, NH, United States, Robert L Hawley, Dartmouth College, Department of Earth Sciences, Hanover, United States and Hans-Peter Marshall, Boise State University, Department of Geosciences, Boise, ID, United States