models simulating current and future changes in the Arctic Ocean. • decipher how climate change mechanisms in the North Atlantic and the Arctic Ocean are coupled. • assess plastic pollution in sea-ice, [...] Campaigns - Antarctic Campaigns - Arctic Expeditions 2025: Transits and Campaigns - Antarctic Campaigns - Arctic Expeditions 2026: Transits and Campaigns - Antarctic Campaigns - Arctic Expeditions 2027: Transits [...] the transition zone between the northern North Atlantic and the central Arctic Ocean, and to determine the factors controlling Arctic deep-sea biodiversity. • Permanent presence at sea, from surface to depth

station. Antarctic To be filled! Text is missing Arctic Ocean (Central Arctic) FS Polarstern MOSAiC (Photo: M. Gutsche) The polar oceans in the Arctic and around Antarctica, characterized by their seasonal [...] expedition The Multidisciplinary drifting 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 [...] 400 scientists and experts from 20 nations, who studied a full annual cycle of the Arctic Atmosphere, Sea ice, Ocean, Biogeochemistry and Ecosystem. Further information and scientific publications can

the Arctic lost its white landscape and had a blue, ice-free ocean. Alexander Haumann , ERC Starting Grant VERTEXSO , January 2023 - Dcember 2027. VERTEXSO (VERTical EXchange in the Southern Ocean) studies [...] future. Ocean tracers serve as a fingerprint of the impact of rapidly melting ice masses on the ocean’s salinity and will be used to constrain a climate model. Lettie Roach , since 2024. SouthernOcean and [...] also involved in this project. Into the Blue: Resolving Past Arctic Greenhouse Climates. What are the global impacts of an ice- free Arctic? Taking a look into time periods warmer-than-present (i.e. P

improve the understanding of polar atmospheric processes and their interactions with sea ice and ocean in the global context. We combine long term observations from ground stations and innovative measurements [...] improving the representation of polar processes in regional to global scale climate models. We run the Arctic research station AWIPEV on Svalbard and the meteorological and atmospheric observatory at the Antarctic

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