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Strong Localized Pumping of Water Vapor to High Altitudes on Mars During the Perihelion Season

dc.contributor.authorBrines, A.
dc.contributor.authorLópez-Valverde, M.A.
dc.contributor.authorFunke, B.
dc.contributor.authorGonzález-Galindo, F.
dc.contributor.authorAoki, S.
dc.contributor.authorVillanueva, G.L.
dc.contributor.authorHolmes, J.A.
dc.contributor.authorBelyaev, D.A.
dc.contributor.authorLiuzzi, G.
dc.contributor.authorThomas, I.R.
dc.contributor.authorErwin, J.T.
dc.contributor.authorGrabowski, U.
dc.contributor.authorForget, F.
dc.contributor.authorLopez-Moreno, J.J.
dc.contributor.authorRodriguez-Gomez, J.
dc.contributor.authorDaerden, F.
dc.contributor.authorTrompet, L.
dc.contributor.authorRistic, B.
dc.contributor.authorPatel, M.R.
dc.contributor.authorBellucci, G.
dc.contributor.authorVandaele, A.C.
dc.date2024
dc.date.accessioned2024-07-22T09:47:08Z
dc.date.available2024-07-22T09:47:08Z
dc.identifier.urihttps://orfeo.belnet.be/handle/internal/13375
dc.descriptionHere we present water vapor vertical profiles observed with the ExoMars Trace Gas Orbiter/Nadir and Occultation for MArs Discovery instrument during the perihelion and Southern summer solstice season (LS = 240°–300°) in three consecutive Martian Years 34, 35, and 36. We show the detailed latitudinal distribution of H2O at tangent altitudes from 10 to 120 km, revealing a vertical plume at 60°S–50°S injecting H2O upward, reaching abundance of about 50 ppmv at 100 km. We have observed this event repeatedly in the three Martian years analyzed, appearing at LS = 260°–280° and showing inter-annual variations in the magnitude and timing due to long term effects of the Martian Year 34 Global Dust Storm. We provide a rough estimate of projected hydrogen escape of 3.2 × 109 cm−2 s−1 associated to these plumes, adding further evidence of the key role played by the perihelion season in the long term evolution of the planet's climate.
dc.languageeng
dc.titleStrong Localized Pumping of Water Vapor to High Altitudes on Mars During the Perihelion Season
dc.typeArticle
dc.subject.frascatiPhysical sciences
dc.audienceScientific
dc.subject.freeMars
dc.subject.freeatmosphere
dc.subject.freewater vapor
dc.subject.freeExoMars/TGO
dc.subject.freeNOMAD
dc.subject.freesolar occultation
dc.source.titleGeophysical Research Letters
dc.source.volume51
dc.source.issue14
dc.source.pagee2023GL107224
Orfeo.peerreviewedYes
dc.identifier.doi10.1029/2023GL107224
dc.identifier.url


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