• Technology and Logistics

    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, allowing for the development and [...] positions (green) of ice-resilient Argo 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. Moorings are anchored at the bottom by weights and held upright through floatation elements (both not shown).

  • Automatic Weather Stations

    ( 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 are chosen with respect to the

  • Özdemir visits shipyard for the new Polarstern

    state of construction regarding the new research icebreaker Polarstern for the Alfred Wegener Institute. Shortly before Christmas 2024, the Federal Ministry of Education and Research, with support from

  • Floats

    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 are

  • Triaxus

    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 [...] 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 Svalbard. Further below, you can [...] 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)

  • Expedition

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

  • Projects

    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 MOSAiC expedition was to study

  • GROCE

    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 water beneath the glacier

  • Northernmost hot springs of the earth discovered

    of Bremen. On an expedition with the research icebreaker POLARSTERN, researchers discovered the northernmost hydrothermal field on Earth here – only around 300 kilometers from the North Pole. This

  • Seismology in subpolar oceans

    after a recording period of one year (expedition SWEAP of RV Polarstern). Reliable weather and sea state forecasts and the excellent poor-weather performance of RV Polarstern allow to sucessfully work [...] Following prototype tests in summer 2014 (expedition AURORA of RV Polarstern), we now have specially modified ocean bottom seismometers in routine use. The devices can also be used under sea ice at great [...] when the ice cover is almost 100% (Expedition PS137 of RV Polarstern). The data show that the Arctic Ocean offers good recording conditions for earthquakes due to the unprecedentedly low seismic