Measurements of HDO and the D/H ratio in the Martian atmosphere from ACS MIR - INSU - Institut national des sciences de l'Univers Access content directly
Conference Papers Year : 2022

Measurements of HDO and the D/H ratio in the Martian atmosphere from ACS MIR

Ashwin Braude
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  • PersonId : 1059982
Franck Montmessin
Margaux Vals
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  • PersonId : 1107216
Loïc Rossi
Franck Lefèvre
Lucio Baggio
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  • PersonId : 968770
Abdanour Irbah
Gaetan Lacombe

Abstract

Measuring vertical variations in the deuterium to hydrogen ratio with altitude is essential in understanding the processes that lead to the escape of water vapour from the Martian atmosphere. We retrieve vertical profiles of HDO and H 2 O from the ACS instrument, monitoring seasonal changes particularly above the water condensation level. We discuss these results in relation to previously observed seasonal variations in D/H together with the expected variations from theoretical models.
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Dates and versions

insu-03776855 , version 1 (14-09-2022)

Identifiers

  • HAL Id : insu-03776855 , version 1

Cite

Ashwin Braude, Franck Montmessin, Kevin Olsen, Margaux Vals, Juan Alday, et al.. Measurements of HDO and the D/H ratio in the Martian atmosphere from ACS MIR. Europlanet Science Congress 2022, Sep 2022, Granada, Spain. pp.EPSC2022-696. ⟨insu-03776855⟩
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