matter within the rivers and oceans would allow to better assess the export, transformation and fate of tDOM (the largest fraction of dissolved carbon in the Arctic) in the ocean. Colored or chromophoric dissolved [...] supplied by Arctic rivers, which account for more than 10% of the total riverine and terrestrial organic carbon into the global ocean waters (Opshal et al., 1999; Benner et al., 2004). Most of the Arctic outflow [...] outflow and, as a consequence, the total carbon mobilized into the Arctic Ocean, leave the Arctic basin via the Fram Srait, following the East Greenland Current (EGC) and through the Davis Strait within the

climate state. doi: 10.1038/NGEO2974 . How the Arctic Ocean became saline FS Heincke in Spitsbergen (Photo: Alfred-Wegener-Institut) [06 June 2017] The Arctic Ocean was once a gigantic freshwater lake. Only [...] Atlantic-Arctic Ocean circulation controlled by the subsidence of the Greenland-Scotland Ridge. Nature Communications. doi: 10.1038/NCOMMS15681 . 2016 Intensification and poleward shift of oceanic boundary [...] present the ocean surface net heat flux. Positive values mean that the ocean release heat to the atmosphere, and [28 June 2016] Global warming results in fundamental changes to important ocean currents.

Polarstern Core Repository The section Marine Geology curates and archives sediment cores from both polar oceans which were taken by RV Polarstern since 1983. The collection comprises more than 4000 cores from [...] Roberts Project are also maintained by the AWI repository. Lacustrine sediments cored from lakes in the Arctic and Antarctic are archived by the section Polar Terrestrial Environmental Systems at AWI Potsdam

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

DFG PHYSYN , DFG TR 172 Arctic Amplification (AC 3 ) project C03 "Feedback of ocean colour and atmospheric composition to AC 3 ", ESA S5POC ) GEOMAR-Helmholtz Center for Ocean Research (Geomar), Kiel,

Press release

ON GRAN CANARIA pg.31 Jan Jacob One Ocean Science Congress 2025 June 3-6, 2025 Nice, France Event Link Poster Judith Matz 56th International Liège Colloquium on Ocean Dynamics May 26-30, 2025 Liège, Belgium [...] 14-18th, 2024 Brest, France Event Link Influence of light and silicic acid on the productivity of the arctic phytoplankton community. Attended; co-chaired session “Paleo including the evolution of silicifiers”; [...] 16-20, 2024 Bremen, Germany Event Link Influence of light and silicic acid on the productivity of the arctic phytoplankton community. pg.45 Antonia Thielecke Summer school day on Artificial Intelligence and

l research team is now bringing back from a Polarstern expedition to the Central Arctic. After a four-month-long Arctic season, the Alfred Wegener Institute’s research icebreaker is expected to arrive

increased to 1 km in the whole Arctic Ocean and further refined to subkilometer scales at the MOSAiC sites. The decades-long eddy-resolving model results for the Arctic Ocean and the well-evaluated and documented [...] variability of the Arctic Ocean and the cryosphere on time scales of decades to millennia and to use these results to robustly assess the impact of projected future climate changes on the Arctic. Deniz Aydin [...] Changing Arctic" (EPICA) is a BMBF funded project that will use high-resolution modeling and observations to understand the properties and impacts of (sub)mesoscale eddies in the Arctic Ocean, especially

result of accelerated climate change, whole sections of coastline rapidly thaw, and erode into the Arctic Ocean. A new study published in the journal Geophysical Research Letters now shows that large amounts [...] of carbon dioxide are potentially being produced along these eroding permafrost coastlines in the Arctic.