Current limitations of signal separation over ice sheets using satellite gravimetry, satellite altimetry, and firn-process modeling

Matthias Oskar Willen1, Maria Kappelsberger1, Andreas Groh1, Martin Horwath1, Ludwig Schröder2, Stefan Ligtenberg3, Peter Kuipers Munneke4, Michiel R van den Broeke3, Bernd Uebbing5 and Juergen Kusche5, (1)TU Dresden, Dresden, Germany, (2)Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven, Germany, (3)Utrecht University, Institute for Marine and Atmospheric Research, Utrecht, Netherlands, (4)Utrecht University, Institute for Marine and Atmospheric Research Utrecht, Utrecht, Netherlands, (5)University of Bonn, Bonn, Germany