Cross Characterization of Alpine Snow Packs Using a Portable 3-D HR Imaging System, C-Band Spaceborne SAR Observations, In-Situ Measurements and a Physically Based Snow Evolution Model. - Laurent Ferro-Famil; Fatima Karbou; Lekhmissi Harkati; Philipe Lapalus; Stéphane Avrillon; Frédéric Boutet; Yannick Deliot; Hugo Mersizen; Isabelle Goutevin; Pascal Salze; Franck Delbart; Anna Karas; et al. (IGARSS, 2021)