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)

Expedition calendar

This is the visualization of the time line of CONTRASTS




Our three stations during the first round of measurements


Our three stations during the second round of measurements


Our three stations during the third round of measurements





Latest LogBook entries


Blog stream

Create a blog post to share news and announcements with your team and company.



  • No labels