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September 10, 2025

Marine burial of terrestrial organic carbon modulates past warm climates

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Authors

GIGordon N. InglisJHJordon HemingwayRSRichard Stockey

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Overview

Analysis reveals that marine sediments contained up to 95% terrestrial organic carbon during the PETM, suggesting major climate implications.

Key Points

  • Marine burial of terrestrial organic carbon contributed significantly to climate modulation during the PETM.
  • Evidence shows that terrestrial organic carbon made up 40-95% of total organic carbon in marine sediments then.
  • Enhanced erosion and higher sedimentation rates led to a 10-to-50-fold increase in terrestrial carbon burial fluxes.
  • Current climate models may overlook the critical role of terrestrial organic carbon as a carbon sink in past warm climates.

Cite This Study

Inglis et al. (2025) studied this question.

synapsesocial.com/papers/68c1872d9b7b07f3a06118bfhttps://doi.org/10.21203/rs.3.rs-7272686/v1
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