The calving front of Thwaites Ice Shelf looking at the ice below the water’s surface. Note how the water acts as a blue filter. Credit: NASA / Jim Yungel
The huge West Antarctic ice sheet is starting a glacially slow collapse in an unstoppable way, two new studies show. Therefore Alarmed scientists say that means even more sea level rise than they figured.
The worrisome outcomes won’t be seen soon. Scientists are talking hundreds of years, but over that time the melt that has started could eventually add 1.2 to 3.6 metres to current sea levels.