Petermann ice shelf may not recover after a future breakup

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    | https://doi.org/10.1038/s41467-022-29529-5 S ince the late 1990s, ice shelves in Antarctica and Greenland have experienced thinning1-4 and breakup5-7, and the marine outlet glaciers feeding them have often retreated and accelerated (e_g refs. Glacier retreat is projected to continue over the coming decades to centuries due to sustained climate warming (e_g refs. Documented ice advances exist in paleo-records (e_g refs. The authors examine the climate conditions required for Petermann to recover to its present-day state after an ice-shelf breakup and grounding-line retreat19 . . .

     

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