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

AWIPEV: Temperature AWIPEV: Radiation Data AWIPEV: Ozone data Meteorological observations on-board RV Polarstern Without reliable weather data polar expeditions and the related fieldwork become a dangerous u [...] undertaking. For this reason there are always two meteorologists working on-board Polarstern. They constantly update the captain and officers, the helicopter crew and the chief scientist about the latest [...] essential for forecasting the weather worldwide. Weather balloon (Photo: Esther Horvath) Links Polarstern's Weather Data

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

changes for the biodiversity in this area. Physical, biogeochemical and ecological studies with Polarstern in the FOS in the southern Weddell Sea shall characterize this hotspot in detail in order to recognize

terrestrial polar research of high international reputation. The AWI runs the research and supply ship "Polarstern", the research vessel "Heincke", four small research cutters, two research aircraft, a permanently

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

4831-1012 e-mail Project Polarstern II In May 2020 the AWI was appointed to conduct a new process for the acquisition of a new ice-breaking research and supply vessel Polarstern II by the board of trustees [...] of primary importance for AWI are bundled in the staff unit Project Polarstern II. Contact: Detlef Wilde Stabsstelle Projekt Polarstern II Alfred-Wegener-Institut Helmholtz-Zentrum für Polar- und Meeresforschung

ocean beneath the frozen desert? 24. September 2025 After 18 days of travel through uncharted seas, Polarstern came to a halt beside a large ice floe, slowly drifting above the Morris Jesup Plateau. At 8:30 [...] and low clouds bathed the landscape in a mystical light, the final shift returned to the ship. Polarstern then departed the floe, heading toward the coast of Greenland. © Núria Casacuberta Arola

secure the oceans as a sustainable resource. *** New training expedition Nov-Dec 2025 on board RV Polarstern *** Venue and Background The Nippon Foundation-POGO Centre of Excellence (NF-POGO CofE) provides

understanding of the polar sea ice zones. Here at AWI, we are mostly using our own ice breaker RV Polarstern, but we are also involved in expeditions by partner institutes with their vessels. During these