New research shows Arctic permafrost thawing 30% faster than models predicted amid 2025-2026 heat
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Researchers analyzed satellite data from NASA's GRACE-FO mission alongside ground-based soil core samples from 45 sites in Alaska and Siberia. They used machine learning models to assess permafrost thaw rates and project carbon emissions. Key findings reveal thawing 30% faster than prior models due to 2025-2026 heatwaves, releasing 1.5 gigatons of carbon equivalent annually and forming thermokarst lakes that boost methane emissions. This accelerates global warming beyond previous estimates, with potential for amplified climate feedback loops.
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Key Entities
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Nature Climate Change researchers Organization
Led analysis using GRACE-FO and field samples across Arctic sites.
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Arctic permafrost thaw
Process releasing stored carbon and methane, amplified by heat anomalies.
Bias Distribution
Source & Verification
Source: Nature
Status: AI Processed
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