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Stormy water on Mars: The distribution and saturation of atmospheric water during the dusty season.
Fedorova, Anna A; Montmessin, Franck; Korablev, Oleg; Luginin, Mikhail; Trokhimovskiy, Alexander; Belyaev, Denis A; Ignatiev, Nikolay I; Lefèvre, Franck; Alday, Juan; Irwin, Patrick G J; Olsen, Kevin S; Bertaux, Jean-Loup; Millour, Ehouarn; Määttänen, Anni; Shakun, Alexey; Grigoriev, Alexey V; Patrakeev, Andrey; Korsa, Svyatoslav; Kokonkov, Nikita; Baggio, Lucio; Forget, Francois; Wilson, Colin F.
Affiliation
  • Fedorova AA; Space Research Institute of the Russian Academy of Sciences (IKI RAS), Moscow, Russia. fedorova@iki.rssi.ru.
  • Montmessin F; Laboratoire Atmosphères Milieux Observations Spatiales (LATMOS), Université Paris-Saclay, Sorbonne Université, Centre National de la Recherche Scientifique, Guyancourt, France.
  • Korablev O; Space Research Institute of the Russian Academy of Sciences (IKI RAS), Moscow, Russia.
  • Luginin M; Space Research Institute of the Russian Academy of Sciences (IKI RAS), Moscow, Russia.
  • Trokhimovskiy A; Space Research Institute of the Russian Academy of Sciences (IKI RAS), Moscow, Russia.
  • Belyaev DA; Space Research Institute of the Russian Academy of Sciences (IKI RAS), Moscow, Russia.
  • Ignatiev NI; Space Research Institute of the Russian Academy of Sciences (IKI RAS), Moscow, Russia.
  • Lefèvre F; Laboratoire Atmosphères Milieux Observations Spatiales (LATMOS), Université Paris-Saclay, Sorbonne Université, Centre National de la Recherche Scientifique, Guyancourt, France.
  • Alday J; Physics Department, Oxford University, Oxford, UK.
  • Irwin PGJ; Physics Department, Oxford University, Oxford, UK.
  • Olsen KS; Laboratoire Atmosphères Milieux Observations Spatiales (LATMOS), Université Paris-Saclay, Sorbonne Université, Centre National de la Recherche Scientifique, Guyancourt, France.
  • Bertaux JL; Physics Department, Oxford University, Oxford, UK.
  • Millour E; Space Research Institute of the Russian Academy of Sciences (IKI RAS), Moscow, Russia.
  • Määttänen A; Laboratoire Atmosphères Milieux Observations Spatiales (LATMOS), Université Paris-Saclay, Sorbonne Université, Centre National de la Recherche Scientifique, Guyancourt, France.
  • Shakun A; Laboratoire de Météorologie Dynamique, Sorbonne Université, Centre National de la Recherche Scientifique, Jussieu, Paris, France.
  • Grigoriev AV; Laboratoire Atmosphères Milieux Observations Spatiales (LATMOS), Université Paris-Saclay, Sorbonne Université, Centre National de la Recherche Scientifique, Guyancourt, France.
  • Patrakeev A; Space Research Institute of the Russian Academy of Sciences (IKI RAS), Moscow, Russia.
  • Korsa S; Space Research Institute of the Russian Academy of Sciences (IKI RAS), Moscow, Russia.
  • Kokonkov N; Research School of Astronomy and Astrophysics and Advanced Instrumentation and Technology Centre at Mount Stromlo Observatory, Australian National University, Canberra, Australia.
  • Baggio L; Space Research Institute of the Russian Academy of Sciences (IKI RAS), Moscow, Russia.
  • Forget F; Space Research Institute of the Russian Academy of Sciences (IKI RAS), Moscow, Russia.
  • Wilson CF; Space Research Institute of the Russian Academy of Sciences (IKI RAS), Moscow, Russia.
Science ; 367(6475): 297-300, 2020 01 17.
Article in En | MEDLINE | ID: mdl-31919130
ABSTRACT
The loss of water from Mars to space is thought to result from the transport of water to the upper atmosphere, where it is dissociated to hydrogen and escapes the planet. Recent observations have suggested large, rapid seasonal intrusions of water into the upper atmosphere, boosting the hydrogen abundance. We use the Atmospheric Chemistry Suite on the ExoMars Trace Gas Orbiter to characterize the water distribution by altitude. Water profiles during the 2018-2019 southern spring and summer stormy seasons show that high-altitude water is preferentially supplied close to perihelion, and supersaturation occurs even when clouds are present. This implies that the potential for water to escape from Mars is higher than previously thought.
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Full text: 1 Collection: 01-internacional Database: MEDLINE Language: En Journal: Science Year: 2020 Document type: Article Affiliation country: RUSSIA
Fulltext
Add to My VHL
Print
XML
PubMed Links
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Full text: 1 Collection: 01-internacional Database: MEDLINE Language: En Journal: Science Year: 2020 Document type: Article Affiliation country: RUSSIA