Relatively warm seawater rushing underneath Thwaites Glacier is causing rapid melting, contributing to around 4% of annual global sea level rise.
Thwaites Glacier, known as the Doomsday Glacier, could raise sea levels by two feet alone, impacting millions globally. Its loss could lead to an additional eight feet rise over centuries.
Observations show Thwaites' grounding line is wider than thought, with seawater intrusion accelerating melting. The glacier's retreat is outpacing models, explaining its rapid disappearance.
Intruding warm seawater, pushed by tides, moves past Thwaites' grounding line, melting the glacier from beneath, creating cavities and contributing to its fast retreat.
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