develops, runs and analyses global ocean biogeochemistry models, with a special interest in the polar regions. A special focus is on feedbacks between climate change and the ocean carbon cycle. The group hosts [...] (see Research ). We contribute to and coordinate the ocean carbon sink estimate in the Global Carbon Budget , particularly the ensemble of Global Ocean Biogeochemistry Models that includes FESOM-REcoM." [...] feedbacks in the carbon cycle and in the marine ecosystem, with a special interest in the Arctic and the Southern Oceans. Surface chloropyll a concentration in an eddy-resolving simulation (1 km horizontal

sheet Svalbard Germany in Arctic research The collaborative framework of AWI’s Antarctic research Marine Protected Area in the Weddell Sea Arctic Council Shipping in the Arctic Arctic and Antarctic – more [...] similarities? Arctic Governance Tourismus in Polar Regions EU Engagement in the Arctic Environmental Protection in the Polar Regions Knowledge on fish and their ecology in the Arctic Ocean The Greenland

largest marine research alliances. The DAM aims to strengthen the sustainable use of coasts, seas and oceans through research and transfer, data management and digitalisation, and by coordinating the infra [...] Survey United Kingdom University of Alaska Fairbanks United States Norwegian Polar Institute Norway Arctic and Antarctic Research Institute (AARI) Russia University of Tromso (UiT) Norway IFREMER France Woods

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 has substantially slowed global surface warming [...] Journal of Geophysical Research: Oceans, 130, e2025JC022530. doi.org/10.1029/2025JC022530 Olivier, L. , Haumann, F. A. (2025). Southern Ocean freshening stalls deep ocean CO 2 release in a changing climate [...] Postdoc My aim is to better understand the ocean carbon sink and its changes, with a special focus on the Southern Ocean. I study how the physics of the ocean impact the return pathways of CO 2 to the surface

rowan.brown@awi.de
Klußmannstraße 3d, 27570 Bremerhaven

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

Michael.Fritz@awi.de
+49(331)58174-5405
Telegrafenberg A45.2, 14473 Potsdam

bennet.juhls@awi.de
+49(331)58174-5443
Telegrafenberg A45, 14473 Potsdam

anna.irrgang@awi.de
+49(331)58174-5429
Telegrafenberg A45, 14473 Potsdam

O values in ice and water samples from the Arctic and Antarctic, as well as the δ 13 C values of dissolved inorganic carbon in the water of the polar oceans. In addition, our laboratories offer the possibility [...] input) and changes in the 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 [...] Clumped isotopes δ 13 C + δ 18 O (biog. carbonate, foraminifers) Option: clumped isotopes Changes in ocean circulation, nutrient content and deep water ventilation (δ 13 C) Hydrographic changes (δ 18 O, Δ47)