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GreenDrill team members at Prudhoe Dome, a key ice cap part of the Greenland Ice Sheet. The project's first study shows this ice cap was gone 7,000 years ago. Photo: Jason Briner

Greenland’s Prudhoe Dome ice cap was completely gone only 7,000 years ago, first GreenDrill study finds

Release Date: January 7, 2026

The first study from GreenDrill has found that the Prudhoe Dome ice cap was completely gone approximately 7,000 years ago, much more recently than previously known.

The findings, published Jan. 5 in Nature Geoscience and reported in The Washington Post, suggest that this high point on the northwest section of the ice sheet is highly sensitive to the relatively mild temperatures of the Holocene, the interglacial period that began 11,000 years ago and continues today. 

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