Imprints of firn changes in the Cryosat-2 radar altimetry record

Sebastian B Simonsen1, Louise Sandberg Sorensen2, Ruth Mottram3, Peter P Langen4 and Rene Forsberg1, (1)Technical University of Denmark, Kgs. Lyngby, Denmark, (2)DTU Space, Lyngby, Denmark, (3)Danish Meteorological Institute, Copenhagen East, Denmark, (4)Danish Meteorological Institute, København Ø, Denmark