A novel method for detecting lake ice cover using optical satellite data. - Kirsikka Heinilä; Olli-Pekka Mattila; Sari Metsämäki; Sakari Väkevä; Kari Luojus; Gabriele Schwaizer; Sampsa Koponen (Int. J. Appl. Earth Obs. Geoinformation, 2021)