1. Uni Research Climate; Bjerknes Centre for Climate Research; Nygårdsgaten 112 Bergen NO-5008 Norway
2. Leibniz Institute for Baltic Sea Research Warnemünde; Seestraße 15 Rostock D-18119 Germany
3. Natural Sciences Education and Research Centre; Faculty of Geosciences; University of Szczecin; Mickiewicza 16 Szczecin 70-384 Poland
4. Department of Earth Sciences; University of Bergen; Allégaten 41, Postbox 7803 Bergen NO-5020 Norway