1. Department of Earth Science, University of Bergen , Allégaten 41 , Bergen 5007 , Norway
2. Bjerknes Centre for Climate Research , Bergen , Norway
3. Department of Geoinformatics - Z_GIS, University of Salzburg , Schillerstrasse 30 , 5020 Salzburg , Austria
4. Department of Geography, University of Bergen , Fosswinckelsgate 6 , Bergen 5007 , Norway
5. Vestland County Council, Department of Statistics, Maps, and Analysis , Sandslihaugen 30 , Bergen , Norway