dsbreen. More information is provided following the links to GROCE und SPP-OGreen . Fig. 4: RV Polarstern at the calving front of 79-North Glacier. Normally, thick fast ice blocks access to the glacier [...] glacier, but in boreal summer 2016 the bay was ice-free for several weeks allowing RV Polarstern to conduct comprehensive oceanographic measurements. (Photo: Nat Wilson) Contacts Dr. Markus Janout +49(471)4831-1981

vent fields during expedition PS137 on board the icebreakers Polarstern and Kronprins Haakon. Icebreakers Kronprins Haakon and Polarstern at the Aurora Hydrothermal Ventfield (Photo: Alfred-Wegener-Institut)

Faculty of Geosciences at the University of Bremen. On an expedition with the research icebreaker POLARSTERN, researchers discovered the northernmost hydrothermal field on Earth here – only around 300 kilometers

x 25 km, ice thickness: 100 to 600 m). In 2016, we reached the glacier’s calving front with R/V Polarstern —the first research vessel ever to do so—and discovered an astonishingly rapid inflow of warm Atlantic

biogeochemical cycles in… Find out more MOSAiC In September 2019, the German research icebreaker Polarstern set sail from Tromsø to drift in the Arctic Ocean for a year—trapped in the ice. The goal of the

+49(471)4831-2404 Hauke.Becker @ awi.de Triaxus towed behind FS Polarstern. (Photo: Jan Gerken) Triaxus with Depressor, towed behind RV Polarstern. (Photo: Alfred-Wegener-Institut) [...] Triaxus Towed System "topAWI" Triaxus towing body on deck of RV Polarstern. (Photo: Jan Gerken, Alfred-Wegener-Institut) The topAWI Triaxus (towed ocean profiler of the AWI) is a towed system manufactured [...] operations in regions with light to moderate sea ice cover. It was used for the first time during the Polarstern PS131 expedition and allowed the collection of valuable data in the marginal ice zone north of

Floats are free drifting underwater buoys Fig. 1: The research vessel "Polarstern" in antarctic waters. The antenna of a deployed float is visible in the foreground. (Photo: Alfred-Wegener-Institut) Floats

he was informed about the current state of construction regarding the new research icebreaker Polarstern for the Alfred Wegener Institute. Shortly before Christmas 2024, the Federal Ministry of Education

floats deployed during Polarstern expedition PS 103. (copy 2) Fig. 5. Schematic of mooring array extending from Kapp Norvegia towards the Antarctic Peninsula, deployed during Polarstern expedition PS 103. [...] presence of Antarctic marine mammals. HAFOS was first implemented to its full extend in 2012/13 during Polarstern expedition ANT-XXIX/2, yet subsets of the system existed in various configurations since 2002, [...] driven instrumentation, need to be exchanged every second to third year during expeditions with RV Polarstern, which also serve to collect spatially highly resolved CTD sections and to deploy additional i

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