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Shelf iceberg, Antarctic Peninsula
Unlike the Arctic, which at its centre is an ocean, Antarctica is a landmass that is surrounded by the Southern Ocean. A permanent, massive ice sheet on Antarctica covers 98% of the continent and contains the major freshwater reserves of the globe. Moving permanently towards the coasts, these ice masses form huge flat areas of continental shelf ice when gliding over the continental shelf, of which enormous icebergs can calve into the sea. If climate change is escalating and more of Antarctica's ice sheet is melting it would contribute to major sea level rise.