ocean‘s heat is threatening the Antarctic ice shelf The Filchner-Ronne ice shelf in the southern Weddell Sea is roughly the size of Sweden, and thus the second-largest ice shelf in Antarctica. So far, extremely [...] How the ocean‘s heat is threatening the ice shelves (Graphic: Alfred-Wegener-Institut) Comparison of sea-ice formation and the currents below the Filchner-Ronne Ice Shelf today and in the future. (Graphic: [...] have now shown, however, that with the increasing warming in Antarctica the sea ice formation in the southern Weddell Sea will decrease - and thus the salt content of the cold water. What then happens