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.
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.
the Creative Commons Attribution 4.0 License.
Research article
| 
28 Feb 2024
Research article |
| 28 Feb 2024
| 28 Feb 2024
Astronomically paced climate and carbon cycle feedbacks in the lead-up to the Late Devonian Kellwasser Crisis
Nina M. A. Wichern
CORRESPONDING AUTHOR
Institute of Geology and Palaeontology, University of Münster, Münster, Germany
Or M. Bialik
Institute of Geology and Palaeontology, University of Münster, Münster, Germany
Theresa Nohl
Department of Palaeontology, Faculty of Earth Sciences, Geography and Astronomy, Universität Wien, Vienna, Austria
Lawrence M. E. Percival
Archaeology, Environmental Changes and Geo-Chemistry, Vrije Universiteit Brussel, Brussels, Belgium
Department of Earth Sciences, Faculty of Science, Vrije Universiteit Amsterdam, Amsterdam, the Netherlands
R. Thomas Becker
Institute of Geology and Palaeontology, University of Münster, Münster, Germany
Pim Kaskes
Archaeology, Environmental Changes and Geo-Chemistry, Vrije Universiteit Brussel, Brussels, Belgium
Laboratoire G-Time, Université Libre de Bruxelles, ULB, Brussels, Belgium
Philippe Claeys
Archaeology, Environmental Changes and Geo-Chemistry, Vrije Universiteit Brussel, Brussels, Belgium
David De Vleeschouwer
Institute of Geology and Palaeontology, University of Münster, Münster, Germany
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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.
Middle–Late Devonian sedimentary rocks are often punctuated by anoxic black shales. Due to their...
