1. University of Cologne Institute of Geology and Mineralogy Cologne Germany
2. Alfred Wegener Institute Helmholtz Center for Polar and Marine Research Potsdam Germany
3. Kazan Federal University Kazan Russia
4. Potsdam University Institute of Earth and Environmental Science Potsdam Germany
5. Herzen State Pedagogical University of Russia St. Petersburg Russia
6. University of Bergen Department of Earth Science Bergen Norway
7. Bjerknes Centre for Climate Research Bergen Norway
8. Institute of Geography, University of Cologne Cologne Germany
9. Leibniz Institute for Applied Geophysics (LIAG) Hannover Germany
10. Alfred Wegener Institute Helmholtz Center for Polar and Marine Research Bremerhaven Germany
11. St. Petersburg State University St. Petersburg Russia
12. Arctic and Antarctic Research Institute St. Petersburg Russia