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Conference Papers Year : 2019

The behaviour of water vapour in the middle atmosphere at the dusty season on Mars with ACS/TGO

Abstract

The water vapour vertical distribution is a capable gauge for the relative roles of the various sources, sinks and processes that control the Martian water cycle. However, its behaviour is still poorly studied. Since 2018 the ExoMars 2016 Trace Gas Orbiter allows to measure the vertical water distribution with high accuracy and excellent coverage. Here we present results of the Atmospheric Chemistry Suite (ACS) instrument NIR channel for the first year of TGO observations covering the dusty season from Ls 160° to Ls 360° of the Martian year 34. During the global and regional dust storms, which happened during the MY34 water vapour profiles have shown an extremely dynamic behaviour, sharply departing from model predictions.
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Dates and versions

insu-04453400 , version 1 (12-02-2024)

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Anna Fedorova, Franck Montmessin, Oleg Korablev, Alexander Trokhimovskiy, Ehouarn Millour, et al.. The behaviour of water vapour in the middle atmosphere at the dusty season on Mars with ACS/TGO. EPSC-DPS Joint Meeting 2019, Sep 2019, Geneva, Switzerland. pp.EPSC-DPS2019-839. ⟨insu-04453400⟩
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