Snow Cover Monitoring by Synergistic Use of Sentinel-3 Slstr and Sentinel-L Sar Data. - Thomas Nagler; Helmut Rott; Joanna Ossowska; Gabriele Schwaizer; David Small; Eirik Malnes; Kari Luojus; Sari Metsämäki; Simon Pinnock (IGARSS, 2018)