Deglacial release of petrogenic and permafrost carbon from the Canadian Arctic impacting the carbon cycle
Shrinking of Sump Hose the Laurentide Ice Sheet mobilized the underlying rock organic carbon.Together with permafrost carbon release, this may Water Chamber Air Break Nut contribute 12 ppm to deglacial CO2 rise, underscoring the impact of cryospheric change on the carbon cycle.