Authors
Kristina Sohar
Department of Geography, Institute of Ecology and Earth Sciences, University of Tartu, Vanemuise 46, 51014, Tartu, Estonia
Samuli Helama
Finnish Forest Research Institute, Northern Unit, P.O. Box 16, 96301, Rovaniemi, Finland
Alar Läänelaid
Department of Geography, Institute of Ecology and Earth Sciences, University of Tartu, Vanemuise 46, 51014, Tartu, Estonia
Juha Raisio
The City of Helsinki, The Public Works Department, Street and Park Division, P.O. Box 1515, 00099, Helsinki, Finland
Heikki Tuomenvirta
Finnish Meteorological Institute, P.O. Box 503, 00101, Helsinki, Finland