Transpolar Drift carries sea ice, fresh water, and suspended matter from the Siberian shelves across the central Arctic towards the Fram Strait channel, which connects to the Nordic Seas. This cross-Arctic flow [...] including microplastics and heavy metals – from Siberian river systems into the central Arctic and the North Atlantic. This material affects Arctic biogeochemistry and ecosystems, while the fresh water itself

MAT252 Sercon-2020 δ 30 Si δ 18 O (diatoms, radiolarians, sponge ferrules) Reconstruction of polar sea surface salinity changes and meltwater events (δ 18 O) Efficiency of the biological pump (δ 30 Si) [...] measurement of stable carbon isotopes of dissolved inorganic carbon (DIC) in waters from the polar seas is routinely carried out in our laboratories. This parameter is being determined via a GasBench Plus [...] supply of nutrient silicon and its use in polar and subpolar ocean regions (e.g. Southern Ocean, North Pacific) can be reconstructed on geological time scales. For the measurements, pure diatom-, radiolarian-

The deep branch of the North Atlantic THC mainly consists of deep-water formed by atmospheric cooling in the Nordic Seas, which overflows the Greenland-Scotland Ridge into the North Atlantic. The Eirik Drift [...] to the poles. The major formation regions of deep and bottom water are the Nordic Seas, the Weddell and the Ross Seas. The Eirik Drift south of Greenland and the Argentine continental margin (red circles) [...] closely downstream of the North Atlantic deep-water formation region and has been shaped by the Western Boundary Undercurrent (WBUC), which constitutes the main part of the deep North Atlantic THC. The sedimentary

exhibition is being created from the history of the North Sea to the future of marine research Find out more Guest Research and Courses at the Wadden Sea Station Sylt We offer offer excellent working conditions

and oceans - from the atmosphere to the bottom of the seas. At the Helgoland and Sylt sites, scientists from the Institute research the North Sea and its coasts. The excellent scientific infrastructure [...] future, visitors will be able to experience a unique exhibition ranging from the history of the North Sea to the future of marine research. Among other things, the focus will be on an 80,000-litre aquarium [...] researching on Helgoland? What animals and plants live in the waters around the island? How has the North Sea changed over time? And what impact will climate change have right on our doorstep in the future

conditions, in which liquid water droplets in the clouds protect the sea-ice surface from further cooling; on the other, clear skies, where the sea-ice surface can emit heat into space with very little interference [...] experiencing some of the most rapid climatic changes on Earth, manifesting in dramatic warming and loss of sea-ice at both poles. Key atmospheric contributions to the observed polar warming are transport and exchange [...] Observatory for the Study of Arctic Climate (MOSAiC) was a major year-long campaign in the Central Arctic Sea ice, using the research icebreaker Polarstern . MOSAiC was a large international effort spearheaded

coasts of our seas have always been a natural and constant companion for the inhabitants. However, due to the climate crisis, they can increase dramatically and get out of hand. With rising sea levels and [...] an increase in extreme storms, severe erosion is taking place on many coasts - not only in the North Sea, but also in the Mediterranean. The island of Djerba, a popular vacation destination in Tunisia [...] activities. The Project objectives At the AWI with the Biological Institute Helgoland and the Wadden Sea Station Sylt as well as the University of Sfax in Tunisia, researchers are working on slowing down

global sea-level rise of up to seven metres. Moreover, the tremendous amounts of meltwater produced could influence ocean currents, sparking massive changes in the climate, especially in the North Atlantic [...] accurately simulates the past, it can also project the future, paving the way for forecasts on e.g. future sea-level rise or global warming. In this way, these models provide the scientific basis for formulating [...] floodwalls and levees are costly. That’s why it’s important to be able to estimate today how much the sea level will rise, or how much the intensity of hurricanes will increase, tomorrow. Climate modeling

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

Svalbard-Barents Sea Ice Sheet The Svalbard-Barents Sea Ice Sheet (SBSIS) covered not only the Svalbard Archipelago, but also large parts of the current Barents Sea. During strong glacials, it reached [...] which helps us to reconstruct past ocean currents from the iceberg drift. The Barents Sea - the ocean basin north of Scandinavia - was subaerially exposed until ca. 1 million years ago. The thick SBSIS [...] South, and Frans Josef Land and Novaya Zemlya towards east and southeast, reaching even into the Kara Sea. The thick ice mass shaped the buried landscape and left traces at many locations. Today, we are able