Transient reducing greenhouse warming on early Mars

@article{Wordsworth2016TransientRG,
  title={Transient reducing greenhouse warming on early Mars},
  author={R. Wordsworth and Y. Kalugina and S. Lokshtanov and A. Vigasin and B. Ehlmann and J. Head and C. Sanders and Huize Wang},
  journal={Geophysical Research Letters},
  year={2016},
  volume={44},
  pages={665-671}
}
The evidence for abundant liquid water on early Mars despite the faint young Sun is a long-standing problem in planetary research. Here we present new ab initio spectroscopic and line-by-line climate calculations of the warming potential of reduced atmospheres on early Mars. We show that the strength of both CO_2–H_2 and CO_2–CH_4 collision-induced absorption (CIA) has previously been significantly underestimated. Contrary to previous expectations, methane could have acted as a powerful… Expand
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