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Rapid short-term cooling following the Chicxulub impact at the Cretaceous–Paleogene boundary

Vellekoop, Johan, Sluijs, Appy, Smit, Jan, Schouten, Stefan, Weijers, Johan W. H., Sinninghe Damsté, Jaap S., Brinkhuis, Henk·2014·Proceedings of the National Academy of Sciences
DOI 10.1073/pnas.1319253111
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Abstract

Significance: Here, for the first time (to our knowledge), we are able to demonstrate unambiguously that the impact at the Cretaceous–Paleogene boundary (K–Pg, ∼66 Mya) was followed by a so-called “impact winter.” This impact winter was the result of the injection of large amounts of dust and aerosols into the stratosphere and significantly reduced incoming solar radiation for decades. Therefore, this phase will have been a key contributory element in the extinctions of many biological clades, including the dinosaurs. The K–Pg boundary impact presents a unique event in Earth history because it caused global change at an unparalleled rate. This detailed portrayal of the environmental consequences of the K–Pg impact and aftermath aids in our understanding of truly rapid climate change.

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Metadata

Authors
Vellekoop, J., Sluijs, A., Smit, J., Schouten, S., Weijers, J. W. H., Sinninghe Damsté, J. S., & Brinkhuis, H.
Affiliations
  • Marine Palynology, Department of Earth Sciences, Faculty of Geosciences, Laboratory of Palaeobotany and Palynology, Utrecht University, 3584 CD, Utrecht, The Netherlands;
  • Eventstratigraphy, Sedimentology, Faculty of Earth- and Life Sciences, VU University Amsterdam, 1081 HV, Amsterdam, The Netherlands;
  • Geochemistry, Department of Earth Sciences, Faculty of Geosciences, Utrecht University, 3584 CD, Utrecht, The Netherlands; and
Venue
Proceedings of the National Academy of Sciences
Publisher
National Academy of Sciences
Published
2014-05-12
Volume
111
Issue
21
Pages
7537-7541
ISSN
  • 0027-8424
  • 1091-6490
DOI
10.1073/pnas.1319253111
Cited by
190
References
1
Language
en

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CoChat. (2026). Citation check: Rapid short-term cooling following the Chicxulub impact at the Cretaceous–Paleogene boundary. https://app.cochat.ai/papers/10.1073/pnas.1319253111
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Vellekoop, J., Sluijs, A., Smit, J., Schouten, S., Weijers, J. W. H., Sinninghe Damsté, J. S., & Brinkhuis, H. (2014). Rapid short-term cooling following the Chicxulub impact at the Cretaceous–Paleogene boundary. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.1319253111