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Isotopic composition of water vapour in the Martian atmosphere: vertical profiles from ACS MIR on ExoMars TGO

Abstract : We report retrievals in the 2.53 – 2.79 μm spectral range using the Atmopheric Chemistry Suite onboard of ExoMars Trace Gas Orbiter, which allow the simultaneous measurement of vertical profiles of H and O isotope ratios in water vapour in the Martian atmosphere. The large coverage of ACS MIR solar occultations provides the possibility to analyse the spatial, seasonal and diurnal variations of these ratios.
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https://hal-insu.archives-ouvertes.fr/insu-03121180
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Submitted on : Tuesday, January 26, 2021 - 11:08:32 AM
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Juan Alday, Patrick G. J. Irwin, Colin F. Wilson, Kevin Olsen, Lucio Baggio, et al.. Isotopic composition of water vapour in the Martian atmosphere: vertical profiles from ACS MIR on ExoMars TGO. Europlanet Science Congress 2020. EPSC 2020, Sep 2020, Online, Germany. pp.EPSC2020-590, ⟨10.5194/epsc2020-590⟩. ⟨insu-03121180⟩

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