The Doomsday Glacier Is Getting Closer and Closer to Irreversible Collapse

Syndicated from:

https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2025JF00...

https://news.ycombinator.com/item?id=46367341

Satellite imagery and GPS observations yielded two key insights:

1) fractures occurred in two stages: the initial propagation of long fractures parallel to ice flow, followed by smaller fractures perpendicular to ice flow.

2) the shear-zone disintegration causes upstream ice-flow speed to increase on the Thwaites Eastern Ice Shelf.