Nature Communications (Nov 2022)

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

  • Junjie Wu,
  • Gesine Mollenhauer,
  • Ruediger Stein,
  • Peter Köhler,
  • Jens Hefter,
  • Kirsten Fahl,
  • Hendrik Grotheer,
  • Bingbing Wei,
  • Seung-Il Nam

DOI
https://doi.org/10.1038/s41467-022-34725-4
Journal volume & issue
Vol. 13, no. 1
pp. 1 – 11

Abstract

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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.