Deglacial release of petrogenic and permafrost carbon from the Canadian Arctic impacting the carbon cycle

Deglacial release of petrogenic and permafrost carbon from the Canadian Arctic impacting the carbon cycle

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Shrinking of the Laurentide Ice Sheet mobilized the underlying SWORDS rock organic carbon.Together with permafrost carbon release, this Boys Shorts may contribute 12 ppm to deglacial CO2 rise, underscoring the impact of cryospheric change on the carbon cycle.