Multimodal Fusion of Sentinel 1 Images and Social Media Data for Snow Depth Estimation. - Damianos Florin Mantsis; Marios Bakratsas; Stelios Andreadis; Petteri Karsisto; Anastasia Moumtzidou; Ilias Gialampoukidis; Ari Karppinen; Stefanos Vrochidis; Ioannis Kompatsiaris (IEEE Geosci. Remote. Sens. Lett., 2022)