Biogeographic climate sensitivity controls Earth system response to large igneous province carbon degassing

• 成果类型: Article
• 署名作者: Rogger, Julian; Judd, Emily J.; Mills, Benjamin J. W.; Godderis, Yves; Gerya, Taras V.; Pellissier, Loic
• 署名单位: Swiss Federal Institutes of Technology Domain; ETH Zurich; Swiss Federal Institutes of Technology Domain; ETH Zurich; University of Arizona; University of Leeds; Centre National de la Recherche Scientifique (CNRS); Universite de Toulouse; Universite Toulouse III - Paul Sabatier; Swiss Federal Institutes of Technology Domain; Swiss Federal Institute for Forest, Snow & Landscape Research
• 刊物名称: SCIENCE
• ISSN/ISSBN: 0036-11419
• DOI: 10.1126/science.adn3450
• 发表日期: 2024-08-09
• 页码: 661-666
• 关键词: permo-triassic boundary; eocene thermal maximum; mass extinction; atmospheric co2; global carbon; paleocene; cycle; RECOVERY; calibration; vegetation

摘要

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.