As the sea-ice recedes, the Arctic Ocean will see an explosion of research activities. With RV Polarstern, our powerful ice breaker and a variety of specially adapted equipment and techniques , AWIs geophysics

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

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

long-term measurements in Antarctica, ( Neumayer_III ), in the Arctic (AWIPEV ) and on the oceans ( Polarstern ) automatic weather stations (AWS) are in use. The numbers of the AWS-systems and their locations

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 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

+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

Expeditions Polarstern PS128 | EASI-1 | East Antarctic Continental Margin Start: 2022-01-06 End: 2022-02-28 Chief Scientist: R. Tiedemann Cruise report PS104 | ASE-MeBo | Amundsen Sea Embayment Start:

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

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