The impact of krill and salps on Fe biogeochemistry in Fe-limited oceanic waters The icebreaker Polarstern in Ryder Bay, Western Antarctic Peninsula. Photo: S. Trimborn (Photo: Alfred-Wegener-Institut) [...] experiments with grazers (krill and salps) and their grazing products will be performed during the Polarstern expedition PS112 in the northern WAP in 2018. This project will be carried out in close cooperation

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

the Arctic and Antarctic Oceans for a changing climate and the polar ecosystems. Polarstern in der Arktis / Polarstern in the Arctic Contact Prof. Dr. Torsten Kanzow +49(471)4831-2913 Torsten.Kanzow @

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

in more than one cruise leg fill in a separate form for each leg Profession ) Operational area Polarstern proposal number (AWI coordination) Time period Date of birth Place of birth Nationality Office [...] in more than one cruise leg fill in a separate form for each leg: Profession: Operational area: Polarstern proposal number AWI coordination: Time period: Date of birth: Place of birth: Nationality: Office

ESDP Marius Hirsekorn: ERVO, IRSO Version: 04/2025 Scientific coordination Research ships: FS Polarstern & FS Heincke: Ingo Schewe Assistance: Claudia Klages FK Uthörn: Michael Klages Research stations: [...] Marius Hirsekorn Assistance / secretariat: Uta Galemann Deputy: Elena Tschertkowa-Paulenz Project RV Polarstern II t.i.m.e. Port II Barkhausenstr. 2 27568 Bremerhaven WTF office : Heinz Miller Uwe Nixdorf Central

CTD and Water Sampler A water sampler with a CTD probe is being deployed from the research vessel Polarstern. (Photo: Agnieszka Beszczynska) (Photo: Alfred-Wegener-Institut) The CTD is an oceanographic instrument

ic accessions of the Hustedt collection, as well as extending them by new collections on board Polarstern . We are working on improving mobilization of taxon observation records backed up by voucher images

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

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