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Updated: Jun 17, 2025

Simulating Temperature in a Soil Incubation Experiment
Published on: October 28, 2022
Biogeographic climate sensitivity controls Earth system response to large igneous province carbon degassing
Julian Rogger1,2, Emily J Judd3, Benjamin J W Mills4
1Department of Earth Sciences, ETH Zurich, Zurich, Switzerland.
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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