(2022-01-27) Kolari, Pasi; Aalto, Juho; Levula, Janne; Kulmala, Liisa; Ilvesniemi, Hannu; Pumpanen, Jukka; Institute for Atmospheric and Earth System Reseacrh / Physics, University of Helsinki - Kolari, Pasi; Hyytiälä Forestry Field Station, University of Helsinki - Aalto, Juho; Hyytiälä Forestry Field Station, University of Helsinki - Levula, Janne; Finnish Meteorological Institute - Kulmala, Liisa; Natural Resources Institute Finland - Ilvesniemi, Hannu; University of Eastern Finland - Pumpanen, Jukka