GSFC-FDM: a new, 39-year simulation of firn processes over the Greenland and Antarctic ice sheets

Brooke Medley1, Tom Neumann1, H Jay Zwally2,3, Benjamin Eaton Smith4 and Christopher Stevens4, (1)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (2)NASA Goddard Space Flight Center, Laboratory for Cryospheric Sciences, Greenbelt, MD, United States, (3)University of Maryland College Park, Earth System Science Interdisciplinary Center, College Park, MD, United States, (4)University of Washington, Seattle, WA, United States