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Ice shelves guarded by snow shields

Floating ice shelves that fringe Antarctica are at risk from warming ocean water and from above by warming air. Work now reveals that snow accumulation on ice shelves can minimize surface melt and ponding, but that future atmospheric warming will likely overpower this protection that snow provides, leaving ice shelves vulnerable to collapse.

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Correspondence to Lauren M. Simkins.

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Simkins, L.M. Ice shelves guarded by snow shields. Nat. Clim. Chang. 13, 119–120 (2023).

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