1. University of Bergen and Bjerknes Centre for Climate Research Bergen Norway
2. Institute of Arctic and Alpine Research University of Colorado Boulder CO USA
3. Alfred‐Wegener‐Institut Helmholtz Zentrum für Polar‐ und Meeresforschung Research Unit Potsdam Potsdam Germany
4. University of Potsdam Institute of Geosciences Potsdam Germany
5. Alfred‐Wegener‐Institut Helmholtz Zentrum für Polar‐ und Meeresforschung Research Unit Bremerhaven Bremerhaven Germany