Mongabay iconMongabaySep 23, 2026

4 million lakes in ‘Lost Lakes’ map offer clues to Arctic permafrost

The Arctic is dotted with millions of lakes that sit on persistently frozen soil called permafrost. However, as temperatures rise, the permafrost thaws, which causes new lakes to form or existing lakes to abruptly disappear as lake water drains away through newly created channels.

4 million lakes in ‘Lost Lakes’ map offer clues to Arctic permafrost

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The Arctic is dotted with millions of lakes that sit on persistently frozen soil called permafrost.

However, as temperatures rise, the permafrost thaws, which causes new lakes to form or existing lakes to abruptly disappear as lake water drains away through newly created channels.

These lakes are crucial for the region's wildlife and local communities.

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The Arctic is dotted with millions of lakes that sit on persistently frozen soil called permafrost. However, as temperatures rise, the permafrost thaws, which causes new lakes to form or existing lakes to abruptly disappear as lake water drains away through newly created channels. These lakes are crucial for the region's wildlife and local communities.

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These lakes are crucial for the region's wildlife and local communities.

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