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.
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.
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