Exploring Data Combination of GRACE, Altimetry, and GNSS Vertical Motion for Improved Estimates of Antarctic Mass Balance

Ryan A Hardy, NOAA National Geodetic Survey, Silver Spring, United States, R Steven Nerem, University of Colorado Boulder, Colorado Center for Astrodynamics Research, Boulder, United States and David N Wiese, Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, United States