BOX WHITE RV HEINCKE PLYWOOD BOX YELLOW RV MARIA S. MERIAN STYROFOAM BOX RV METEOR THERMO BOX RV POLARSTERN UNPACKED RV SONNE WOODEN BOX RV UTHÖRN SAMOYLOV / LENA-DELTA OTHER Tabelle1

BOX WHITE RV HEINCKE PLYWOOD BOX YELLOW RV MARIA S. MERIAN STYROFOAM BOX RV METEOR THERMO BOX RV POLARSTERN UNPACKED RV SONNE WOODEN BOX RV UTHÖRN SAMOYLOV / LENA-DELTA OTHER Tabelle1

BOX WHITE RV HEINCKE PLYWOOD BOX YELLOW RV MARIA S. MERIAN STYROFOAM BOX RV METEOR THERMO BOX RV POLARSTERN UNPACKED RV SONNE WOODEN BOX RV UTHÖRN SAMOYLOV / LENA-DELTA OTHER Tabelle1

CONTRASTS (PS149) Contrasts of sea ice regimes in the Arctic Ocean during melt season The Polarstern expedition CONTRASTS (2 July to 1 September 2025, also named PS149, ArcWatch-3) investigates the causes [...] The aircraft campaign IceBird summer 2025 complements with regional surveys. Sea ice station with Polarstern (example from MOSAiC 2020). The vessel is moored to the ice floe. Measurements are performed and [...] autonomous devices. (Graphic: Alfred-Wegener-Institut) On-route measurements and regional surveys With Polarstern, the helicopters and also the aircrafts on the IceBird summer expedition (from Station Nord), we

Polarstern expedition ANT XXVII-2. Picture: S. Trimborn (Photo: Alfred-Wegener-Institut) Southern Ocean phytoplankton are major drivers of global carbon cycling accounting for 20% of the global annual

Head, Senior Scientist Koch, Florian Scientist, System Manager Laboratories New Building Project Polarstern II Köck, Matthias Senior Scientist Kohlbach, Doreen Head of Young Investigator Group DOUBLE TROUBLE

the upper Arctic basins (Figure 1). In addition to research cruises by icebreaking ships, e.g. Polarstern and air-supported spring expeditions, autonomous ice-tethered buoy systems like FRAM or MIDO have

ocean (transmittance). We perform various radiation measurements during our field campaigns using Polarstern, aircrafts, and stationary measurements. Our focus are observations that aim for better descriptions

Lomonossov Ridge in the Arctic Ocean Madiba Sea Mount, south of South Africa, discovered 2013 with RV Polarstern Current-induced seabed structures at the Southern Mozambique Ridge Iceberg scours on the shelf

dition , the largest Arctic research expedition of our time, during which the research vessel “Polarstern” was frozen in the Arctic ice for a year to study the effects of climate change. Scientists from [...] from the subtropics and Arctic cold fronts? Antarctic expeditions on board the research icebreaker Polarstern take us to the stormy seas of the “Furious Fifties” and “Screaming Sixties” and to the majestic