Finnish Meteorological Institute;
Helsinki Fi-00101;
Finland;
University of Tartu;
50090 Tartu;
Estonia;
Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research;
Bremerhaven;
Germany;
Norwegian Polar Institute;
Fram Centre;
Tromsø;
Norway;
Thayer School of Engineering Dartmouth College;
Hanover;
New Hampshire;
USA;
Arctic; snow melt; sea ice mass balance; snow on sea ice; NWP models;