Insights from a dynamical system approach into the history of atmospheric oxygenation

Mojtaba Fakhraee () and Noah Planavsky
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Mojtaba Fakhraee: Yale University
Noah Planavsky: Yale University

Nature Communications, 2024, vol. 15, issue 1, 1-10

Abstract: Abstract Atmospheric oxygen levels are traditionally viewed to have been relatively stable throughout Earth’s history with several-step increases. Emerging evidence, however, suggests extremely dynamic atmospheric oxygen levels through large swaths of Earth’s history. Here, we provide a new perspective on atmospheric oxygen evolution using a dynamical analysis to explore the relative importance of previously proposed feedbacks on the global oxygen and carbon cycles. Our results from a stochastic analysis of oxygen mass balance in this framework suggest there are multiple steady states for atmospheric oxygen, but only three stable states. One stable state under anoxic conditions (

Date: 2024
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DOI: 10.1038/s41467-024-51042-0

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