Articles | Volume 20, issue 3
https://doi.org/10.5194/cp-20-495-2024
https://doi.org/10.5194/cp-20-495-2024
Research article
 | 
13 Mar 2024
Research article |  | 13 Mar 2024

CO2-driven and orbitally driven oxygen isotope variability in the Early Eocene

Julia Campbell, Christopher J. Poulsen, Jiang Zhu, Jessica E. Tierney, and Jeremy Keeler

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Latest update: 10 May 2024
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Short summary
In this study, we use climate modeling to investigate the relative impact of CO2 and orbit on Early Eocene (~ 55 million years ago) climate and compare our modeled results to fossil records to determine the context for the Paleocene–Eocene Thermal Maximum, the most extreme hyperthermal in the Cenozoic. Our conclusions consider limitations and illustrate the importance of climate models when interpreting paleoclimate records in times of extreme warmth.