Climate of the Past
Climate of the Past
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Articles | Volume 18, issue 2
Articles | Volume 18, issue 2
https://doi.org/10.5194/cp-18-249-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/cp-18-249-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 18, issue 2
Research article
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11 Feb 2022
Research article | Highlight paper |  | 11 Feb 2022

Abrupt climate changes and the astronomical theory: are they related?

Denis-Didier Rousseau, Witold Bagniewski, and Michael Ghil

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Short summary
The study of abrupt climate changes is a relatively new field of research that addresses paleoclimate variations that occur in intervals of tens to hundreds of years. Such timescales are much shorter than the tens to hundreds of thousands of years that the astronomical theory of climate addresses. We revisit several high-resolution proxy records of the past 3.2 Myr and show that the abrupt climate changes are nevertheless affected by the orbitally induced insolation changes.
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A century of Milankovic’s theory of climate changes: achievements...