• DP+PP-S5POC

      .940352 Bracher , Astrid ; Wiegmann , Sonja (2022) Phytoplankton pigment concentrations during POLARSTERN cruise PS121 from North Sea to Fram in August to September 2019. PANGAEA , doi.pangaea [...] to 952 nm of underwater light profiles measured at discrete stations with radiometry during RV Polarstern cruise PS113 in the Atlantic Oceam. PANGAEA , doi.pangaea.de/10.1594/PANGAEA.931480 Bracher [...] Phytoplankton pigment concentration and phytoplankton groups measured on water samples obtained during POLARSTERN cruise PS113 in the Atlantic Ocean. PANGAEA , doi.pangaea.de/10.1594/PANGAEA.911061 Bracher

    • Polarstern back in Bremerhaven

      Polarstern returned to its home port of Bremerhaven on Sunday with the afternoon high tide after a successful Antarctic season. On board were 19 young scientists and experts, among others, who taught them

    • ACLOUD/AFLUX

      Arctic Clouds Map of the areas for aircraft operation illustration the coordination activities at Polarstern and Ny Alesund (Photo: Alfred-Wegener-Institut) ACLOUD and AFLUX are 2 joint aircraft campaigns

    • Sustainable Ship Operation

      somewhat older models, like the Polarstern, which has been traversing the icy waters of the high north and deep south since 1982. On an average of 300 days a year, the Polarstern can be found forging her way [...] deliver a better eco-balance than other forms of transportation, but also because on board the Polarstern, the available resources are used as sparingly as possible. For example, the 118-metre-long ship [...] dioxide. Moreover, the ship doesn’t run on fuel oil, but diesel, a significantly cleaner choice. “The Polarstern bunkers the cleanest variant available, DMA, which is nearly as good as the diesel used in commercial

    • Antarctic season ends this weekend

      Expedition
      After half a year in the Southern Hemisphere, the research icebreaker Polarstern will soon return to her homeport, Bremerhaven. Following a season of work focusing on sea ice, the icebreaker

    • Last full week of calm seas until Cape Town

      the past couple weeks we have reached South Africa and shut down the hydroacoustics, as well as Polarsterns underway measurements. Underway CTD casts of two times per day have also ended. This was the last

    • Fish and squid found in the Central Arctic Ocean

      expected. Scientists participating in the international MOSAiC expedition with research icebreaker Polarstern have found fish and squid in deep water in the middle of the Arctic Ocean. The results from Stockholm

    • Giant sponge gardens discovered on seamounts in the Arctic deep sea

      Bremerhaven and Kiel and their international partners discovered this unique hotspot of life during a POLARSTERN expedition and now report their findings in the journal Nature Communications . They stress the

    • How unstable is the East Antarctic Ice Sheet?

      Expedition start
      On the 6th of January, the research vessel Polarstern set off from Cape Town in South Africa for an expedition of around eight weeks to the Antarctic. Extensive preventative measures [...] further planned expeditions in the coming years. Interested parties can follow this and subsequent Polarstern expeditions live in a new app.

    • A stormy send-off

      No. 1 | 5 - 11 December 2021
      After a snowy Bremerhaven departure on Dec 5 th 2021 at 13:00, Polarstern made its way through the port, the locks and towards the English Channel.