Climate of the Past
Climate of the Past
Climate of the Past
Articles | Volume 16, issue 5
Articles | Volume 16, issue 5
Clim. Past, 16, 1889–1899, 2020
https://doi.org/10.5194/cp-16-1889-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
Clim. Past, 16, 1889–1899, 2020
https://doi.org/10.5194/cp-16-1889-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 16, issue 5

Research article 19 Oct 2020

Research article | 19 Oct 2020

Life and death in the Chicxulub impact crater: a record of the Paleocene–Eocene Thermal Maximum

Vann Smith et al.

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Latest update: 15 Jan 2022
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Short summary
A rare tropical record of the Paleocene–Eocene Thermal Maximum, a potential analog for future global warming, has been identified from post-impact strata in the Chicxulub crater. Multiproxy analysis has yielded evidence for increased humidity, increased pollen and fungi input, salinity stratification, bottom water anoxia, and sea surface temperatures up to 38 °C. Pollen and plant spore assemblages indicate a nearby diverse coastal shrubby tropical forest resilient to hyperthermal conditions.
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