(2020-03-09) Saarinen, Ninni; Kankare, Ville; Yrttimaa, Tuomas; Viljanen, Niko; Honkavaara, Eija; Holopainen, Markus; Hyyppä, Juha; Huuskonen, Saija; Hynynen, Jari; Vastaranta, Mikko; University of Helsinki, University of Eastern Finland - Saarinen, Ninni; University of Eastern Finland, University of Helsinki - Kankare, Ville; University of Eastern Finland - Yrttimaa, Tuomas; Finnish Geospatial Research Institute, Aalto University - Viljanen, Niko; Finnish Geospatial Research Institute - Honkavaara, Eija; University of Helsinki - Holopainen, Markus; Finnish Geospatial Research Institute - Hyyppä, Juha; Natural Resources Institute Finland - Huuskonen, Saija; Natural Resources Institute Finland - Hynynen, Jari; University of Eastern Finland - Vastaranta, Mikko