Towering glacial ice cliffs may collapse in fits and starts
We still don't know for sure how the ice cliffs looming over the sea at the leading edge of some glaciers will behave as the climate warms, but satellite data offers some clues
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The world’s thickest glaciers may “calve” icebergs up to three times faster than previously predicted. However, such rapid retreat may not be sustained over long periods.
Instead, the large bodies of ice – which include Antarctica’s Thwaites glacier – may collapse in bursts, with intervening periods of stability.
