Assessment of Spatio-Temporal Landscape Changes from VHR Images in Three Different Permafrost Areas in the Western Russian Arctic. - Florina Ardelean; Alexandru Onaca; Marinela-Adriana Chetan; Andrei Dornik; Goran Georgievski; Stefan Hagemann; Fabian Timofte; Oana Berzescu (Remote. Sens., 2020)