Articles | Volume 16, issue 5
Clim. Past, 16, 1889–1899, 2020
Clim. Past, 16, 1889–1899, 2020

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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Cited articles

Aze, T., Ezard, T. H., Purvis, A., Coxall, H. K., Stewart, D. R., Wade, B. S., and Pearson, P. N.: A phylogeny of Cenozoic macroperforate planktonic foraminifera from fossil data, Biol. Rev., 86, 900–927,, 2011. 
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Bowen, G. J., Beerling, D. J., Koch, P. L., Zachos, J. C., and Quattlebaum, T.: A humid climate state during the Palaeocene/Eocene thermal maximum, Nature, 432, 495–499,, 2004. 
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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.