The Blue-Green Humming of the Alaskan Tundra

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2026-06-10 14:55:53 -

The sensor array in Toolik Field Station recorded three measurements of the same patch of ground, and each one told a different story. The ground temperature probe read minus four degrees Celsius, consistent with permafrost that had not moved in eleven thousand years. The soil respiration sensor read positive point eight micromoles of CO2 per square meter per second, consistent with active...

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