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

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

Bibliographic Details
Published in:Nature Communications
Main Authors: Junjie Wu, Gesine Mollenhauer, Ruediger Stein, Peter Köhler, Jens Hefter, Kirsten Fahl, Hendrik Grotheer, Bingbing Wei, Seung-Il Nam
Format: Article in Journal/Newspaper
Language:English
Published: Nature Portfolio 2022
Subjects:
Science
Q
Arctic
Ice
Ice Sheet
permafrost
Online Access:https://doi.org/10.1038/s41467-022-34725-4
https://doaj.org/article/0005f7e788b54f9d841677317c2cd495
Description
Summary:Shrinking of the Laurentide Ice Sheet mobilized the underlying rock organic carbon. Together with permafrost carbon release, this may contribute 12 ppm to deglacial CO2 rise, underscoring the impact of cryospheric change on the carbon cycle.

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