Statistical analysis of Curiosity data shows no evidence for a strong seasonal cycle of martian methane

Gillen, Edward and Rimmer, Paul B. and Catling, David C. (2020) Statistical analysis of Curiosity data shows no evidence for a strong seasonal cycle of martian methane. Icarus, 336. p. 113407. ISSN 0019-1035 DOI https://doi.org/10.1016/j.icarus.2019.113407

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Abstract

Using Gaussian process regression to analyze the Martian surface methane Tunable Laser Spectrometer (TLS) data reported by Webster et al. (2018), we find that the TLS data, taken as a whole, do not indicate seasonal variability. Enrichment protocol CH4 data are consistent with either stochastic variation or a spread of periods without seasonal preference.

Item Type:	Article
Uncontrolled Keywords:	2019AREP, IA76
Subjects:	05 - Petrology - Igneous, Metamorphic and Volcanic Studies
Divisions:	05 - Petrology - Igneous, Metamorphic and Volcanic Studies 07 - Gold Open Access
Journal or Publication Title:	Icarus
Volume:	336
Page Range:	p. 113407
Identification Number:	https://doi.org/10.1016/j.icarus.2019.113407
Depositing User:	Sarah Humbert
Date Deposited:	10 Sep 2020 14:18
Last Modified:	10 Sep 2020 14:18
URI:	http://eprints.esc.cam.ac.uk/id/eprint/4875

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