Climate of the Past
Climate of the Past
CP
Articles | Volume 20, issue 2
Articles | Volume 20, issue 2
https://doi.org/10.5194/cp-20-415-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/cp-20-415-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 20, issue 2
Research article
 | 
28 Feb 2024
Research article |  | 28 Feb 2024

Astronomically paced climate and carbon cycle feedbacks in the lead-up to the Late Devonian Kellwasser Crisis

Nina M. A. Wichern, Or M. Bialik, Theresa Nohl, Lawrence M. E. Percival, R. Thomas Becker, Pim Kaskes, Philippe Claeys, and David De Vleeschouwer

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Latest update: 23 Oct 2025
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Short summary
Middle–Late Devonian sedimentary rocks are often punctuated by anoxic black shales. Due to their semi-regular nature, anoxic events may be linked to periodic changes in the Earth’s climate caused by astronomical forcing. We use portable X-ray fluorescence elemental records, measured on marine sediments from Germany, to construct an astrochronological framework for the Kellwasser ocean anoxic Crisis. Results suggest that the Upper Kellwasser event was preceded by a specific orbital configuration.
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