GoKawiilArctic researchers track decades-long carbon release from 2007 Alaska tundra fire
Scientists studying Alaska's 2007 Anaktuvuk River tundra fire found it released over 2 million tons of carbon, roughly canceling out that year's global tundra carbon uptake. More than a third of the burned area has since sunk and crumpled as underlying ice wedges collapsed, and researchers including Adrian Rocha continue to measure ongoing carbon dioxide and methane emissions from the most severely burned patches using flux towers.
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The findings suggest that some fire-damaged permafrost landscapes may take decades to centuries to recover lost carbon, if they recover at all, according to Rocha's monitoring. Ecologist Michelle Mack notes that because far more carbon is stored underground in permafrost than above ground in vegetation, widespread permafrost thaw could overwhelm other factors influencing the global carbon balance, underscoring why sustained field measurements matter for climate projections.
- The 2007 Anaktuvuk River fire released over 2 million tons of carbon, Alaska's largest recorded tundra fire.
- More than a third of the burned area has subsided due to abrupt permafrost thaw.
- Carbon recovery at the site could take decades to centuries, with some loss possibly permanent.
Source: technologyreview.com — James Temple, 2026-10-20
Published there as: “How to study a swiftly melting climate disaster”
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