@unpublished{TUW-187841, author = {Bartsch, Annett and Kumpula, Timo and Forbes, Bruce C. and Stammler, Florian}, title = {Detection of Snow Surface Thawing and Refreezing Using Satellite Data: Implications for Reindeer Herding}, year = {2010}, note = {talk: State of the Arctic, Miami; 2010-03-16 -- 2010-03-19} }