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Biogeographic climate sensitivity controls Earth system response to large igneous province carbon degassing
Rogger, J.; Judd, E.J.; Mills, B.J.W.; Goddéris, Y.; Gerya, T.V.; Pellissier, L. (2024). Biogeographic climate sensitivity controls Earth system response to large igneous province carbon degassing. Science (Wash.) 385(6709): 661-666. https://dx.doi.org/10.1126/science.adn3450
In: Science (Washington). American Association for the Advancement of Science: New York, N.Y. ISSN 0036-8075; e-ISSN 1095-9203, meer
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| Auteurs | | Top |
- Rogger, J.
- Judd, E.J.
- Mills, B.J.W., meer
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- Goddéris, Y.
- Gerya, T.V.
- Pellissier, L.
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| Abstract |
Periods of large igneous province (LIP) magmatism have shaped Earth’s biological and climatic history, causing major climatic shifts and biological reorganizations. The vegetation response to LIP-induced perturbations may affect the efficiency of the carbon-climate regulation system and the post-LIP climate evolution. Using an eco-evolutionary vegetation model, we demonstrate here that the vegetation’s climate adaptation capacity, through biological evolution and geographic dispersal, is a major determinant of the severity and longevity of LIP-induced hyperthermals and can promote the emergence of a new climatic steady state. Proxy-based temperature reconstructions of the Permian-Triassic, Triassic-Jurassic, and Paleocene-Eocene hyperthermals match the modeled trajectories of bioclimatic disturbance and recovery. We conclude that biological vegetation dynamics shape the multimillion-year Earth system response to sudden carbon degassing and global warming episodes. |
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