1. Department of Geoscience Indiana University of Pennsylvania Indiana PA 15705 USA
2. School of Natural Science, Technology and Environmental Studies Södertörn University Huddinge SE‐14189 Sweden
3. The School of Geography, Politics and Sociology Newcastle University Newcastle upon Tyne NE1 7RU UK
4. Geography and Environment Loughborough University Loughborough LE11 3TU UK
5. Ecosystems and Environment Research Programme (ECRU) Helsinki Institute of Sustainability Science University of Helsinki P.O. Box 65 (Viikinkaari 1) Helsinki 00014 Finland
6. Department of Marine Geology and Glaciology Geological Survey of Denmark and Greenland (GEUS) Ø. Voldgade 10 Copenhagen K DK‐1350 Denmark