Ignition of global wildfires at the Cretaceous/Tertiary boundary

@article{Melosh1990IgnitionOG,
  title={Ignition of global wildfires at the Cretaceous/Tertiary boundary},
  author={Henry J. Melosh and N M Schneider and Kevin J. Zahnle and David Winstow Latham},
  journal={Nature},
  year={1990},
  volume={343},
  pages={251-254}
}
AN impressive amount of evidence supports the proposal of Alvarez et al. 1,2 that the Cretaceous era was ended abruptly by the impact of a comet or asteroid. The recent discovery3,4 of an apparently global soot layer at the Cretaceous/Tertiary boundary indicates that global wildfires were somehow ignited by the impact. Here we show that the thermal radiation produced by the ballistic re-entry of ejecta condensed from the vapour plume of the impact could have increased the global radiation flux… CONTINUE READING
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