Constraining surface mass balance, firn air content, ICESat-2 volume change, and GRACE/-FO mass change to improve ice-sheet mass balance estimates

Brooke Medley1, Tyler C Sutterley2, Marissa Eileen Dattler3, Jan Lenaerts4, Thomas B Overly5, Johnny Ryan6, Matthew Siegfried7, Christopher Stevens1,8, Megan Thompson-Munson4 and Nander Wever4, (1)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (2)Applied Physics Laboratory University of Washington, Polar Science Center, Seattle, WA, United States, (3)University of Maryland College Park, College Park, MD, United States, (4)University of Colorado Boulder, Department of Atmospheric and Oceanic Sciences, Boulder, United States, (5)NASA Goddard Space Flight Center, Greenbelt, United States, (6)University of Oregon, Eugene, United States, (7)Colorado School of Mines, Department of Geophysics, Hydrologic Science & Engineering Program, Golden, CO, United States, (8)University of Maryland College Park, Earth System Science Interdisciplinary Center, College Park, United States