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AI map shows Arctic lakes can disappear in hours as permafrost thaws

Scientists using the Permafrost Discovery Gateway’s AI‑powered system now map Arctic permafrost thaw in near‑real time, tracking 70 million thermokarst ponds and 4 million lakes. About 30 lakes in Alaska’s Seward and Baldwin peninsulas drained in 2026, and nearly 200 lost a quarter of their area in 2018. The maps help residents and leaders spot ice‑rich ground and avoid risky building sites.

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