UAV and Sentinel-2 Satellite Based Upscaling of Coloured Dissolved Organic Matter in High Latitude Thermokarst Lakes (Central Yakutia, Lena River Delta, Yamal in Siberia)

Birgit Heim1, Robert Jackisch2, Yury A. Dvornikov3, Bennet Juhls4,5, Irina Fedorova6, Anne Morgenstern7, Antje Eulenburg7, Izabella Baisheva7,8, Annett Bartsch9, Luidmila A. Pestryakova10, Stefan Kruse7, Marina O Leibman11 and Ulrike Herzschuh1, (1)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Potsdam, Polar Terrestrial Environmental Systems, Potsdam, Germany, (2)Helmholtz-Zentrum Dresden-Rossendorf, Helmholtz Institute Freiberg for Resource Technology, Exploration, Freiberg, Germany, (3)Peoples' Friendship University of Russia, Agrarian-Technological Institute, Moscow, Russia, (4)Institute for Space Sciences, Department of Earth Sciences, Freie Universität Berlin, Carl-Heinrich-Becker-Weg 6–10, Berlin, Germany, (5)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research, Potsdam, Germany, (6)St. Petersburg State University, St. Petersburg, Russia, (7)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Potsdam, Potsdam, Germany, (8)North-Eastern Federal University Yakutsk, Yakutsk, Russia, (9)B.Geos, Vienna, Austria, (10)Federal State Autonomous Educational Institution of Higher Education "M.K. Ammosov North-Eastern Federal University", Institute of biological problems of the Cryolith zone, Yakutsk, Russia, (11)Russian Academy of Sciences, Earth Cryosphere Institute, Tyumen Scientific Centre (Siberian Branch), Moscow, Russia