Pine Island Glacier ends in an ice shelf that floats in the Amundsen Sea.
Credit: Ian Joughin/University of Washington
From 2017 to 2020, large icebergs at the ice shelf's edge broke away
For decades, the ice shelf helping to hold back one of the fastest-moving glaciers in Antarctica, Pine Island Glacier, has gradually thinned. Analysis of satellite images reveals a more dramatic process in recent years. From 2017 to 2020, large icebergs at the ice shelf's edge broke off, and the glacier sped up.
