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Abundant Atmospheric Methane from Volcanism on Terrestrial Planets Is Unlikely and Strengthens the Case for Methane as a Biosignature

14 Dec 2020, 17:00 UTC
Abundant Atmospheric Methane from Volcanism on Terrestrial Planets Is Unlikely and Strengthens the Case for Methane as a Biosignature
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Nicholas Wogan et al 2020 Planet. Sci. J. 1 58
New modeling suggests that volcanoes are unlikely to produce methane fluxes comparable to biological fluxes, indicating that atmospheric methane with carbon dioxide can be used as a biosignature.

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