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East Antarctica’s Totten Glacier has been revealed to be more unstable than previously anticipated. New research has found that portions of the glacier that were thought to be on stable ground are actually floating on seawater, prompting concerns over the ice sheet’s stability, and its potential to significantly contribute to the acceleration of sea level rise.

Totten Glacier is a flowing ice field that is more than three-quarters the size of Texas, and holds a massive volume of ice that could raise sea levels by 3.5 meters (11.5 feet) if it were to completely melt.
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