1. Department of Geological and Mining Engineering and Sciences; Michigan Technological University; Houghton MI USA
2. Department of Arctic Geology; University Center in Svalbard; Longyearbyen Svalbard Norway
3. School of Geosciences; University of South Florida; Tampa FL USA
4. School of Geography and Geosciences; University of St Andrews; St Andrews UK
5. Institute of Atmospheric and Cryospheric Sciences; Universität Innsbruck; Innsbruck Austria