• Due to sea-ice retreat, zooplankton could remain in the deep longer

    Due to intensifying sea-ice melting in the Arctic, sunlight is now penetrating deeper and deeper into the ocean. Since marine zooplankton respond to the available light, this is also changing their behaviour

  • Polarstern Turns 40

    the Alfred Wegener Institute’s flagship has successfully completed more than 130 expeditions to the Arctic and Antarctic and offered a temporary home for thousands of researchers from Germany and around the [...] safely traversed 1.8 million nautical miles. The ship is currently on an expedition in the Southern Ocean.

  • The warmer-than-present past

    patterns and linkages. Establishment of sea surface temperature and sea ice records for the Arctic and Southern Ocean covering the MIS 5e warm interval. [...] latitudes are particularly sensitive and vulnerable to future global warming. The potential of polar oceans and their marginal seas to amplify on a global scale warm climate conditions and sea level change

  • Gesine Mollenhauer

    analyses is to determine how much carbon the ocean removed from the atmosphere and stored in its depths in the past. The permanently frozen soils of the Arctic store tremendous amounts of carbon in the form [...] not consumed by marine animals, including dead marine microorganisms, material transported to the oceans by rivers –the particles that trickle down are deposited layer by layer at depth. Ultimately, a unique [...] deposited on the seafloor, leaving clues that enable the AWI geoscientists not only to reconstruct the Arctic’s climate history, but also to understand the role of thawing permafrost in past climate changes.

  • Transfer storys

    has therefore been developed … Find out more The pulse of the Arctic The ‘Arctic PASSION’ project provides environmental data from the Arctic for the local population, for science and for local politics [...] Using Knowledge to Combat Plastic Litter Plastic has reached even the most remote corners of the ocean. The AWI is not only investigating the scale and impacts of the problem; it's also contributing the [...] politics Find out more Putting permafrost in the classroom The Arctic’s frozen soils are thawing – with consequences for climate and humans. Together with partner schools in Germany, schoolchildren from Aklavik

  • Hajo Eicken

    Arctic Sea ice: Microstructure and geophysical processes Dr Hajo Eicken, Scientific Director of the Alfred Wegener Institute. Sea ice snow Arctic glaciology Sea-ice geophysics is a central research field [...] changes and ocean currents. Although these processes occur on very small spatial scales, they strongly affect the growth, stability, and decay of sea ice and thereby influence both Arctic ecosystems and [...] field within polar and climate sciences. Sea ice covers large parts of the Arctic and Antarctic and plays a key role in the Earth system by linking physical, ecological, and climatic processes. A particular

  • Marcel Nicolaus

    processes between the atmosphere and the ocean. The observed sea ice changes affect the climate and ecosystem, extending to our latitudes. The decline of Arctic sea ice in area and volume is one of the [...] Observer | 28.07.2020 Sea ice extent in the Arctic reaches historical low in July Find out more > Carbon Brief | 18.11.2019 Inside MOSAiC: How a year-long Arctic expedition is helping climate science Find [...] future, we will focus more on studying the physical snow and ice properties in interaction with the ocean and atmosphere, but also study linkages to the ecosystem. We will continue expanding our measurements

  • Permafrost Coasts

    nearshore food-web through the release of sediment and organic matter to the ocean. Survey-like studies on coastal erosion in the Arctic exist, but a comprehensive understanding of local processes is lacking [...] Coastal Permafrost Profile About 34% of the world's coasts are affected by Arctic permafrost and are particularly sensitive to climate change. The frozen bluffs lose the cohesion provided by the permafrost [...] seawater and are instantly washed away by incoming waves. In the course of the expected warming in the Arctic, which is estimated to be about two to four times as high as the global average, favourable conditions

  • Polarstern returns to MOSAiC floe

    forward to continuing the one-year-long MOSAiC expedition and its research on the ocean, ice and atmosphere in the Arctic. Earlier this week, their predecessors from Leg 3 returned to Bremerhaven on board

  • peer-review

    Boetius, A. (2013) FRAM - FRontiers in Arctic marine Monitoring: Permanent Observations in a Gateway to the Arctic Ocean. OCEANS - Bergen, 2013 MTS/IEEE. doi: 10.1109/OCEANS-Bergen.2013.6608008 Soppa, M. , Dinter [...] in a changing Arctic Ocean – Overview of long-term summer measurements in the Fram Strait Variability of chlorophyll a distribution in the Fram Strait, Greenland Sea and Central Arctic Ocean. Polar Research34: [...] Insights into Water Mass Circulation and rigins in the Central Arctic Ocean from in-situ Dissolved Organic Matter Fluorescence. JGR Oceans; JGRC24631: doi 10.1029/2021JC017407 Von Appen W.J., Waite A.,