1. Alfred-Wegener-Institut Helmholtz-Zentrum für Polar- und Meeresforschung, Bremerhaven, Germany
2. Department of Atmospheric and Oceanic Sciences and Institute of Arctic and Alpine Research, University of Colorado Boulder, Boulder, CO, USA
3. Flanders Marine Institute (VLIZ), Ostend, Belgium
4. Max Planck Institut für Biogeochemie, Jena, Germany
5. School of Ocean and Earth Science and Technology, University of Hawai’i at Mānoa, Department of Oceanography, Honolulu, HI, USA
6. Geophysical Institute, University of Bergen, Bergen, Norway
7. Bjerknes Centre for Climate Research, Bergen, Norway