Helena Bergstedt, University of Salzburg, Salzburg, Austria, Annett Bartsch, Austrian Polar Research Institute, Vienna, Austria; b.geos GmbH, Korneuburg, Austria, Christine Kroisleitner, b.geos GmbH, Vienna, Austria, Claude R Duguay, University of Waterloo, Department of Geography & Environmental Management and Interdisciplinary Centre on Climate Change (IC3), Waterloo, ON, Canada and Benjamin M Jones, University of Alaska, Fairbanks, Water and Environmental Research Center, Institute of Northern Engineering, Fairbanks, AK, United States