Welcome to the Log Book of the Polarstern expedition CONTRASTS (PS149, ArcWatch-3)
Expedition map
Drift of the three sea ice regimes from CONTRASTS (as of August 22, 2025): Regime 1 in green, Regime 2 in orange, Regime 3 in blue. The dots show the ice stations in the regimes, the lines show the drift as reported by the autonomous stations. The route taken by RV Polarstern (yellow line) connects the stations. The background shows the sea ice concentration (meereisportal.de) for August 22. (Figure: Marcel Nicolaus)