Isis Brangers¹, Hans Lievens^1,2, Clément Miège³, Matthias Demuzere², Ludovic Brucker^4,5 and Gabrielle De Lannoy⁶, (1)Katholieke Universiteit Leuven, Department of Earth and Environmental Sciences, Leuven, Belgium, (2)Ghent University, Laboratory of Hydrology and Water Management, Gent, Belgium, (3)Rutgers University, New Brunswick, NJ, United States, (4)NASA GSFC / GESTAR USRA, Cryospheric Sciences Lab., Greenbelt, MD, United States, (5)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (6)KU Leuven, Department of Earth and Environmental Sciences, Heverlee, Belgium