Scientists watch giant ‘doomsday’ glacier in Antarctica with concern | Antarctica | The Guardian

Satellite view of Antarctica with the Thwaites glacier marked in red.

Should all West Antarctica’s glaciers ever collapse, there is no coastal city in the world that would not, over time, be swamped at ruinous cost to life and economies. The consensus of glaciologists used to be that it would take centuries of global heating before glaciers the size of Thwaites shattered and collapsed, but so rapid and unexpected has been the loss of sea ice at the opposite end of the earth in the Arctic, and so sudden was the loss of Larsen B that it is now considered possible it could happen rapidly in Antarctica, too. Ice loss in the Arctic barely affects sea levels because it mostly forms at sea. Antarctic ice, however, is mostly on land so any melting adds to sea levels.

Source: Scientists watch giant ‘doomsday’ glacier in Antarctica with concern | Antarctica | The Guardian

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