performed and autonomous stations are installed. The helicopter takes of for a survey flight. (Photo: Alfred-Wegener-Institut, Marcel Nicolaus) Main Contact Marcel Nicolaus Thomas Krumpen Associated colleagues [...] expedition. At the beginning, we will guide the new Tara Polar Station into the sea ice. (Graphic: Alfred-Wegener-Institut) Regime 1: Future Arctic (Photo: Marcel Nicolaus) Regime 2: Present Arctic (Photo: Marcel [...] measurement types. Regions of Deployments 1 and 2 mostly host the autonomous devices. (Graphic: Alfred-Wegener-Institut) On-route measurements and regional surveys With Polarstern, the helicopters and also