• Monica Ionita

    Dry Aprils pave the way for summer droughts in Central Europe Find out more > High North News | 22.09.2020 Arctic Sea Ice Shrinks to Second-Lowest Extent Amid Record High Temperatures Find out more > Spiegel

  • Profile

    Antarctic. It coordinates German polar research efforts, while also conducting research in the North Sea and adjacent coastal regions in Germany. Combining innovative approaches, outstanding research [...] anthropogenic use. Though the strains on them are especially apparent in coastal regions and shelf seas, where densely settled cities and claims to usage rights are often concentrated, the vast and unpopulated [...] over longer timeframes. They research the atmosphere, ice, oceans and coasts. They explore the deep seas, the glaciers and the permafrost soils of the polar regions first-hand. And they analyse data from

  • Gateways of the Southern Ocean

    Deepwater CDW) can be observed south of the ridge. North of the ridge a westsetting flow is prevailent. Sediment drifts have been formed parallel to and north of the Agulhas Ridge, which indicate the influence [...] (DP), the Scotia Sea, and the Falkland Plateau. The arrows schematically show the present pathways of Upper Circumpolar Deepwater (UCDW), Lower Circumpolar Deepwater (LCDW), Weddell Sea Deep Water (WSDW) [...] IOR= Islas Orcadas Rise, MEB= Maurice Ewing Bank, NGP= North Georgia Passage, SRP= Shag Rock Passage. The opening of Drake Passage and the Scotia Sea enabled the exchange of water masses between the southern

  • Natural radioactivity and GEOTRACES

    sources are in deep-sea sediments. We attempt to use this new tracer as a tool to quantify the upwelling rates of deep water masses (including NADW) that enter the Southern Ocean from the north. [...] deep ocean. In an analogous way it is also used for the study of resuspension rates near the deep-sea floor. 230Th and 231Pa We know the production rate of 230 Th (Half-life 75400 y) and 231 Pa (half-life

  • InnoLab for Arctic Research

    weather in Brandenburg also fluctuates due to long-range atmospheric effects from the Arctic. The north polar seas, coasts and permafrost regions contain unique habitats for people, animals and plants and offer [...] place where very few people notice environmental changes. The polar and sub-polar regions around the North Pole represent an early warning system for global climate change. Hardly any other region in the world

  • Underwater Node Helgoland

    Observatory was initiated in 2012 by installing a remote operated underwater node system about 500m North of Helgoland in the AWI underwater experimental field Margate at 54° 11.700'N / 7° 52.600'E (WGS84) [...] cooperation with the two companies 4HJena and Loth engeneering. Since 2015, the Thünen Institute of Sea Fisheries (Hamburg) is part of the COSYNA node consortium. Since 2016, the Helgoland node system is

  • SO-Clim

    Nordsee 2025 Alexander Haumann and Rowan Brown are leading the Heincke student expedition to the North Sea with students from Munich, Düsseldorf, and Bremen. There is a new blog entry about this. Find out [...] Advanced seminar: Polar Regions in Transition (winter semester) Short field trip: Heincke Expedition North Sea (summer semester) Publications Olivier, L. , Haumann, F. A. (2025). Southern Ocean freshening stalls [...] budget. This important role arises from the vast exchange of water between the deep ocean and the sea surface that is unprecedented in the global ocean elsewhere. Over past decades, the Southern Ocean

  • Publications

    Koldunov, D. Sein, and T. Jung, 2022: Assessment of the Finite-VolumE Sea ice–Ocean Model (FESOM2.0) – Part 2: Partial bottom cells, embedded sea ice and vertical mixing library CVMix. Geosci. Model Dev. , 15 [...] e.adq7280 . Wang, Q., S. Danilov, and T. Jung, 2024: Arctic freshwater anomaly transiting to the North Atlantic delayed within a buffer zone. Nature Geosci ., 17 , 1218–1221, doi.org/10.1038/s41561-024-01592-1 [...] Goessling, H.H. Hellmer, D.V. Sein, T. Semmler, D. Sidorenko and T. Jung, 2022: Delayed Antarctic sea-ice decline in high-resolution climate change simulations. Nature Comm. , 13 , 637, doi.org/10

  • POLEX

    reproducing the observed Arctic circulation and sea ice development, which is partly due to shortcomings in the representation of physical processes governing air-sea ice-ocean interaction. The improved repr [...] the improved physical representation of polar air-sea ice-ocean interaction on the variability and changes of Arctic atmospheric circulation, Arctic sea ice and mid-latitude atmospheric circulation. Therefore [...] POLEX The linkage between POLar air-sea ice-ocean interaction, Arctic climate change and Northern hemisphere weather and climate EXtremes (POLEX) A Helmholtz - RSF Joint Research Group funded by the Helmholtz

  • Putting permafrost in the classroom

    five million people who live atop the permafrost. Entire sections of coastline are washed away by the sea, while elsewhere the ground collapses, which can mean massive damage to buildings and other types of [...] there do to prepare? After all, their future is on the line. But the changes underway in the High North could also spell danger for other regions around the world – because the thawing soils are releasing