1. Department of Earth Sciences University of Utrecht Utrecht The Netherlands
2. Arctic Center University of Groningen Groningen The Netherlands
3. Geological Institute Swiss Federal Institute of Technology (ETH) Zürich Switzerland
4. Woods Hole Research Center Falmouth Massachusetts USA
5. North‐East Science Station, Pacific Institute of Geography Far East Branch of Russian Academy of Sciences Cherskiy Russia
6. Biology and Environmental Studies St. Olaf College Northfield Minnesota USA
7. Environmental Studies Holy Cross College Worcester Massachusetts USA