Martian dust storm impact on atmospheric H2O and D/H observed by ExoMars Trace Gas Orbiter

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Martian dust storm impact on atmospheric H2O and D/H observed by ExoMars Trace Gas Orbiter

Vandaele, Ann Carine (författare): Royal Belgian Institute for Space Aeronomy (IASB-BIRA), Brussels, Belgium,NOMAD Science Team

Korablev, Oleg (författare): Space Research Institute (IKI), Russian Academy of Sciences (RAS), Moscow, Russia

Daerden, Frank (författare): Royal Belgian Institute for Space Aeronomy (IASB-BIRA), Brussels, Belgium

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Aoki, Shohei (författare): Royal Belgian Institute for Space Aeronomy (IASB-BIRA), Brussels, Belgium

Thomas, Ian R. (författare): Royal Belgian Institute for Space Aeronomy (IASB-BIRA), Brussels, Belgium

Altieri, Francesca (författare): Istituto di Astrofisica e Planetologia Spaziali (IAPS/INAF), Rome, Italy

López-Valverde, Miguel (författare): Instituto de Astrofìsica de Andalucia (IAA), Consejo Superior de Investigaciones Científicas (CSIC), Granada, Spain

Villanueva, Geronimo (författare): NASA Goddard Space Flight Center, Greenbelt, MD, USA

Giuliano, Liuzzi (författare): NASA Goddard Space Flight Center, Greenbelt, MD, USA

Smith, Michael D. (författare): NASA Goddard Space Flight Center, Greenbelt, MD, USA

Erwin, Justin T. (författare): Royal Belgian Institute for Space Aeronomy (IASB-BIRA), Brussels, Belgium

Trompet, Loïc (författare): Royal Belgian Institute for Space Aeronomy (IASB-BIRA), Brussels, Belgium

Fedorova, Anna A. (författare): Space Research Institute (IKI), Russian Academy of Sciences (RAS), Moscow, Russia

Montmessin, Franck (författare): Laboratoire Atmosphères, Milieux, Observations Spatiales (LATMOS), UVSQ Université Paris-Saclay, Sorbonne Université, CNRS, Paris, France

Trokhimovskiy, Alexander (författare): Space Research Institute (IKI), Russian Academy of Sciences (RAS), Moscow, Russia

Belyaev, Denis A. (författare): Space Research Institute (IKI), Russian Academy of Sciences (RAS), Moscow, Russia

Ignatiev, Nikolay I. (författare): Space Research Institute (IKI), Russian Academy of Sciences (RAS), Moscow, Russia

Luginin, Mikhail (författare): Space Research Institute (IKI), Russian Academy of Sciences (RAS), Moscow, Russia

Olsen, Kevin S. (författare): Laboratoire Atmosphères, Milieux, Observations Spatiales (LATMOS), UVSQ Université Paris-Saclay, Sorbonne Université, CNRS, Paris, France

Baggio, Lucio (författare): Laboratoire Atmosphères, Milieux, Observations Spatiales (LATMOS), UVSQ Université Paris-Saclay, Sorbonne Université, CNRS, Paris, France

Alday, Juan (författare): Department of Physics, Oxford University, Oxford, UK

Bertaux, Jean-Loup (författare): Space Research Institute (IKI), Russian Academy of Sciences (RAS), Moscow, Russia; Laboratoire Atmosphères, Milieux, Observations Spatiales (LATMOS), UVSQ Université Paris-Saclay, Sorbonne Université, CNRS, Paris, France

Betsis, Daria (författare): Space Research Institute (IKI), Russian Academy of Sciences (RAS), Moscow, Russia

Bolsée, David (författare): Royal Belgian Institute for Space Aeronomy (IASB-BIRA), Brussels, Belgium

Clancy, R. Todd (författare): Space Science Institute, Boulder, CO, USA

Cloutis, Edward (författare): Department of Geography, University of Winnipeg, Winnipeg, Manitoba, Canada

Depiesse, Cédric (författare): Royal Belgian Institute for Space Aeronomy (IASB-BIRA), Brussels, Belgium

Funke, Bernd (författare): Instituto de Astrofìsica de Andalucia (IAA), Consejo Superior de Investigaciones Científicas (CSIC), Granada, Spain

Garcia-Comas, Maia (författare): Instituto de Astrofìsica de Andalucia (IAA), Consejo Superior de Investigaciones Científicas (CSIC), Granada, Spain

Gérard, Jean-Claude (författare): Laboratory for Planetary and Atmospheric Physics (LPAP), University of Liège, Liège, Belgium

Giuranna, Marco (författare): Istituto di Astrofisica e Planetologia Spaziali (IAPS/INAF), Rome, Italy

Gonzalez-Galindo, Francisco (författare): Instituto de Astrofìsica de Andalucia (IAA), Consejo Superior de Investigaciones Científicas (CSIC), Granada, Spain

Grigoriev, Alexey V. (författare): Space Research Institute (IKI), Russian Academy of Sciences (RAS), Moscow, Russia

Ivanov, Yuriy S. (författare): Main Astronomical Observatory (MAO), National Academy of Sciences of Ukraine, Kiev, Ukraine

Kaminski, Jacek (författare): Institute of Geophysics, Polish Academy of Sciences, Warsaw, Poland

Karatekin, Ozgur (författare): Royal Observatory of Belgium, Brussels, Belgium

Lefèvre, Franck (författare): Laboratoire Atmosphères, Milieux, Observations Spatiales (LATMOS), UVSQ Université Paris-Saclay, Sorbonne Université, CNRS, Paris, France

Lewis, Stephen (författare): School of Physical Sciences, The Open University, Milton Keynes, UK

López-Puertas, Manuel (författare): Instituto de Astrofìsica de Andalucia (IAA), Consejo Superior de Investigaciones Científicas (CSIC), Granada, Spain

Mahieux, Arnaud (författare): Royal Belgian Institute for Space Aeronomy (IASB-BIRA), Brussels, Belgium

Maslov, Igor (författare): Space Research Institute (IKI), Russian Academy of Sciences (RAS), Moscow, Russia

Mason, Jon (författare): School of Physical Sciences, The Open University, Milton Keynes, UK

Mumma, Michael J. (författare): NASA Goddard Space Flight Center, Greenbelt, MD, USA

Neary, Lori (författare): Royal Belgian Institute for Space Aeronomy (IASB-BIRA), Brussels, Belgium

Neefs, Eddy (författare): Royal Belgian Institute for Space Aeronomy (IASB-BIRA), Brussels, Belgium

Patrakeev, Andrey (författare): Space Research Institute (IKI), Russian Academy of Sciences (RAS), Moscow, Russia

Patsaev, Dmitry (författare): Space Research Institute (IKI), Russian Academy of Sciences (RAS), Moscow, Russia

Ristic, Bojan (författare): Royal Belgian Institute for Space Aeronomy (IASB-BIRA), Brussels, Belgium

Robert, Séverine (författare): Royal Belgian Institute for Space Aeronomy (IASB-BIRA), Brussels, Belgium

Schmidt, Frédéric (författare): Geosciences Paris Sud (GEOPS), Université Paris Sud, Orsay, France

Shakun, Alexey (författare): Space Research Institute (IKI), Russian Academy of Sciences (RAS), Moscow, Russia

Teanby, Nicholas A. (författare): School of Earth Sciences, University of Bristol, Bristol, UK

Viscardy, Sébastien (författare): Royal Belgian Institute for Space Aeronomy (IASB-BIRA), Brussels, Belgium

Willame, Yannick (författare): Royal Belgian Institute for Space Aeronomy (IASB-BIRA), Brussels, Belgium

Whiteway, James (författare): Centre for Research in Earth and Space Science, York University, Toronto, Ontario, Canada

Wilquet, Valérie (författare): Royal Belgian Institute for Space Aeronomy (IASB-BIRA), Brussels, Belgium

Wolff, Michael J. (författare): Space Science Institute, Boulder, CO, USA

Bellucci, Giancarlo (författare): Istituto di Astrofisica e Planetologia Spaziali (IAPS/INAF), Rome, Italy

Patel, Manish R. (författare): School of Physical Sciences, The Open University, Milton Keynes, UK

López-Moreno, Jose-Juan (författare): Instituto de Astrofìsica de Andalucia (IAA), Consejo Superior de Investigaciones Científicas (CSIC), Granada, Spain

Forget, François (författare): Laboratoire de Météorologie Dynamique (LMD), CNRS Jussieu, Paris, France

Wilson, Colin F. (författare): Department of Physics, Oxford University, Oxford, UK

Svedhem, Håkan (författare): European Space Research and Technology Centre (ESTEC), ESA, Noordwijk, The Netherlands

Vago, Jorge L. (författare): European Space Research and Technology Centre (ESTEC), ESA, Noordwijk, The Netherlands

Martin-Torres, Javier (författare): Luleå tekniska universitet,Rymdteknik,Instituto Andaluz de Ciencias de la Tierra, Universidad de Granada, Granada, Spain,ACS Science Team

Rodionov, Daniel (författare): Space Research Institute (IKI), Russian Academy of Sciences (RAS), Moscow, Russia,ACS Science Team

Zorzano, María Paz (författare): Inst Nacl Tecn Aeroespacial CSIC INTA, Ctr Astrobiol, Madrid, Spain,ACS Science Team

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2019-04-10
2019
Engelska.
Ingår i: Nature. - : Springer. - 1476-4687 .- 1476-4687 .- 0028-0836. ; 568:7753, s. 521-525

Relaterad länk:: https://doi.org/10.1...; visa fler...; http://oro.open.ac.u...; https://urn.kb.se/re...; https://doi.org/10.1...; visa färre...

Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)

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Global dust storms on Mars are rare1,2 but can affect the Martian atmosphere for several months. They can cause changes in atmospheric dynamics and inflation of the atmosphere3, primarily owing to solar heating of the dust3. In turn, changes in atmospheric dynamics can affect the distribution of atmospheric water vapour, with potential implications for the atmospheric photochemistry and climate on Mars4. Recent observations of the water vapour abundance in the Martian atmosphere during dust storm conditions revealed a high-altitude increase in atmospheric water vapour that was more pronounced at high northern latitudes5,6, as well as a decrease in the water column at low latitudes7,8. Here we present concurrent, high-resolution measurements of dust, water and semiheavy water (HDO) at the onset of a global dust storm, obtained by the NOMAD and ACS instruments onboard the ExoMars Trace Gas Orbiter. We report the vertical distribution of the HDO/H2O ratio (D/H) from the planetary boundary layer up to an altitude of 80 kilometres. Our findings suggest that before the onset of the dust storm, HDO abundances were reduced to levels below detectability at altitudes above 40 kilometres. This decrease in HDO coincided with the presence of water-ice clouds. During the storm, an increase in the abundance of H2O and HDO was observed at altitudes between 40 and 80 kilometres. We propose that these increased abundances may be the result of warmer temperatures during the dust storm causing stronger atmospheric circulation and preventing ice cloud formation, which may confine water vapour to lower altitudes through gravitational fall and subsequent sublimation of ice crystals3. The observed changes in H2O and HDO abundance occurred within a few days during the development of the dust storm, suggesting a fast impact of dust storms on the Martian atmosphere.

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Av författaren/redakt...: Vandaele, Ann Ca ...; Korablev, Oleg; Daerden, Frank; Aoki, Shohei; Thomas, Ian R.; Altieri, Frances ...; visa fler...; López-Valverde, ...; Villanueva, Gero ...; Giuliano, Liuzzi; Smith, Michael D ...; Erwin, Justin T.; Trompet, Loïc; Fedorova, Anna A ...; Montmessin, Fran ...; Trokhimovskiy, A ...; Belyaev, Denis A ...; Ignatiev, Nikola ...; Luginin, Mikhail; Olsen, Kevin S.; Baggio, Lucio; Alday, Juan; Bertaux, Jean-Lo ...; Betsis, Daria; Bolsée, David; Clancy, R. Todd; Cloutis, Edward; Depiesse, Cédric; Funke, Bernd; Garcia-Comas, Ma ...; Gérard, Jean-Cla ...; Giuranna, Marco; Gonzalez-Galindo ...; Grigoriev, Alexe ...; Ivanov, Yuriy S.; Kaminski, Jacek; Karatekin, Ozgur; Lefèvre, Franck; Lewis, Stephen; López-Puertas, M ...; Mahieux, Arnaud; Maslov, Igor; Mason, Jon; Mumma, Michael J ...; Neary, Lori; Neefs, Eddy; Patrakeev, Andre ...; Patsaev, Dmitry; Ristic, Bojan; Robert, Séverine; Schmidt, Frédéri ...; Shakun, Alexey; Teanby, Nicholas ...; Viscardy, Sébast ...; Willame, Yannick; Whiteway, James; Wilquet, Valérie; Wolff, Michael J ...; Bellucci, Gianca ...; Patel, Manish R.; López-Moreno, Jo ...; Forget, François; Wilson, Colin F.; Svedhem, Håkan; Vago, Jorge L.; Martin-Torres, J ...; Rodionov, Daniel; Zorzano, María P ...; visa färre...

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Martian dust storm impact on atmospheric H2O and D/H observed by ExoMars Trace Gas Orbiter

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