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The Deuterium Isotopic Ratio of Water Released From the Martian Caps as Measured With TGO/NOMAD

dc.contributor.authorVillanueva, G.L.
dc.contributor.authorLiuzzi, G.
dc.contributor.authorAoki, S.
dc.contributor.authorStone, S.W.
dc.contributor.authorBrines, A.
dc.contributor.authorThomas, I.R.
dc.contributor.authorLopez-Valverde, M.A.
dc.contributor.authorTrompet, L.
dc.contributor.authorErwin, J.
dc.contributor.authorDaerden, F.
dc.contributor.authorRistic, B.
dc.contributor.authorSmith, M.D.
dc.contributor.authorMumma, M.J.
dc.contributor.authorFaggi, S.
dc.contributor.authorKofman, V.
dc.contributor.authorRobert, S.
dc.contributor.authorNeary, L.
dc.contributor.authorPatel, M.
dc.contributor.authorBellucci, G.
dc.contributor.authorLopez-Moreno, J.J.
dc.contributor.authorVandaele, A.C.
dc.date2022
dc.date.accessioned2022-06-28T15:31:12Z
dc.date.available2022-06-28T15:31:12Z
dc.identifier.urihttps://orfeo.belnet.be/handle/internal/9985
dc.descriptionWe report vertical profiles of water and D/H for one Martian year as measured with the TGO/NOMAD instrument. The observations were performed via solar occultation, providing water profiles up to ∼100 km and D/H up to ∼60 km, with a vertical resolution of 1–2 km. The measurements reveal dramatic variability of water and D/H over short timescales and with altitude and location on the planet. We investigated the release of seasonal water from the polar caps during southern and northern summer, by mapping water and its D/H near the polar regions. Above the hygropause, the D/H drops substantially below 2 VSMOW, and both seasonal polar caps show a consistent and enriched D/H of 5–7 VSMOW within the hygrosphere.
dc.languageeng
dc.titleThe Deuterium Isotopic Ratio of Water Released From the Martian Caps as Measured With TGO/NOMAD
dc.typeArticle
dc.subject.frascatiPhysical sciences
dc.audienceScientific
dc.subject.freeMars
dc.subject.freeatmosphere
dc.subject.freewater
dc.subject.freehistory
dc.subject.freepolar
dc.source.titleGeophysical Research Letters
dc.source.volume49
dc.source.issue12
dc.source.pagee2022GL098161
Orfeo.peerreviewedYes
dc.identifier.doi10.1029/2022GL098161
dc.identifier.scopus


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