Articles | Volume 16, issue 20
Atmos. Chem. Phys., 16, 13185–13212, 2016
https://doi.org/10.5194/acp-16-13185-2016
Atmos. Chem. Phys., 16, 13185–13212, 2016
https://doi.org/10.5194/acp-16-13185-2016

Research article 27 Oct 2016

Research article | 27 Oct 2016

Designing global climate and atmospheric chemistry simulations for 1 and 10 km diameter asteroid impacts using the properties of ejecta from the K-Pg impact

Owen B. Toon et al.

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Short summary
About 66 million years ago, a large fraction of the planet's species, including the non-avian dinosaurs, vanished when an asteroid hit the Yucatan Peninsula, likely triggering the largest short-term climate change in geologic history. Yet there have been no modern simulations of this climate change. We outline the initial conditions needed for such global climate simulations. There is much unknown about the aftermath of the impact. We discuss uncertainties and suggest new observations.
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