Originalpublikation Ruediger Stein, Kirsten Fahl, Paul Gierz, Frank Niessen & Gerrit Lohmann: Arctic Ocean sea ice cover during the penultimate glacial and the last interglacial. Nature Communications [...] tion Michael Stärz, Wilfried Jokat, Gregor Knorr, Gerrit Lohmann: Threshold in North Atlantic-Arctic Ocean circulation controlled by the subsidence of the Greenland-Scotland Ridge. Nature Communications [...] Wilfried Jokat, and Gerrit Lohmann: Evidence for ice-free summers in the late Miocene central Arctic Ocean. Nature Communications 7: 11148. doi: 10.1038/ncomms11148 Wie stabil ist der Westantarktische