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Panarctic lakes exerted a small positive feedback on early Holocene warming due to deglacial release of methane - Communications Earth & Environment

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Panarctic lakes exerted a small positive feedback on early Holocene warming due to deglacial release of methane - Communications Earth & Environment

Climate-driven permafrost thaw can release ancient carbon to the atmosphere, begetting further warming in a positive feedback loop. Polar ice core data and young radiocarbon ages of dissolved methane in thermokarst lakes have challenged the importance of this feedback, but field studies did not adequately account for older methane released from permafrost through bubbling. We synthesized panarctic isotope and emissions datasets to derive integrated ages of panarctic lake methane fluxes.

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Panarctic lakes exerted a small positive feedback on early Holocene warming due to deglacial release of methane - Communications Earth & Environment

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Panarctic lakes exerted a small positive feedback on early Holocene warming due to deglacial release of methane - Communications Earth & Environment

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