biogeochemical processes within the Arctic Ocean, as well as how these are linked to the Atlantic Ocean, to predict upcoming changes in global ocean circulation, ocean productivity, and the consequences for [...] Greenland, the Arctic Ocean lies completely within the Arctic Circle (~66,5°N) and is the smallest of the 5 oceans on our planet. With an area of 14 million square kilometres, the Arctic Ocean also includes large [...] Strait, the only deep-sea connection between Arctic and Atlantic Ocean. Photo: AWI/ Mario Hoppmann Map of the Arctic Ocean Map of the Arctic Ocean. The extremely low sea ice extent in September 2012 is shown