The composition of the atmosphere at the surface of Mars

Owen, Tobias; Biemann, K.; Rushneck, D. R.; Biller, J. E.; Howarth, D. W.; Lafleur, Arthur L.

doi:10.1029/js082i028p04635

Cited by 542 publications

(310 citation statements)

References 32 publications

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“…b , Smith (2004), Smith et al (2009a). c Krasnopolsky et al (1997), Lodders and Fegley (1997), Owen et al (1977). d Krasnopolsky (2007), Smith et al (2009b).…”

Section: Water Cyclementioning

confidence: 99%

NOMAD, an Integrated Suite of Three Spectrometers for the ExoMars Trace Gas Mission: Technical Description, Science Objectives and Expected Performance

Vandaele¹,

Moreno²,

Patel³

et al. 2018

Space Sci Rev

114

117

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The NOMAD ("Nadir and Occultation for MArs Discovery") spectrometer suite on board the ExoMars Trace Gas Orbiter (TGO) has been designed to investigate the comThis paper is dedicated to the memory of M. Allen, V. Formisano, and J. McConnell. position of Mars' atmosphere, with a particular focus on trace gases, clouds and dust. The detection sensitivity for trace gases is considerably improved compared to previous Mars missions, compliant with the science objectives of the TGO mission. This will allow for a major leap in our knowledge and understanding of the Martian atmospheric composition and the related physical and chemical processes. The instrument is a combination of three spectrometers, covering a spectral range from the UV to the mid-IR, and can perform solar occultation, nadir and limb observations. In this paper, we present the science objectives of the instrument and explain the technical principles of the three spectrometers. We also discuss the expected performance of the instrument in terms of spatial and temporal coverage and detection sensitivity.

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“…b , Smith (2004), Smith et al (2009a). c Krasnopolsky et al (1997), Lodders and Fegley (1997), Owen et al (1977). d Krasnopolsky (2007), Smith et al (2009b).…”

Section: Water Cyclementioning

confidence: 99%

NOMAD, an Integrated Suite of Three Spectrometers for the ExoMars Trace Gas Mission: Technical Description, Science Objectives and Expected Performance

Vandaele¹,

Moreno²,

Patel³

et al. 2018

Space Sci Rev

114

117

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“…Its molar fraction is about 0.953 (Owen et al 1977). CO 2 photolysis is the source of carbon monoxide.…”

Section: Introductionmentioning

confidence: 99%

Vertical temperature profile and mesospheric winds retrieval on Mars from CO millimeter observations

Cavalié

Billebaud

Encrenaz

et al. 2008

A&A

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Aims.We have recorded high spectral resolution spectra and derived precise atmospheric temperature profiles and wind velocities in the atmosphere of Mars. We have compared observations of the planetary mean thermal profile and mesospheric wind velocities on the disk, obtained with our millimetric observations of CO rotational lines, to predictions from the Laboratoire de Météorologie Dynamique (LMD) Mars General Circulation Model, as provided through the Mars Climate Database (MCD) numerical tool. Methods. We observed the atmosphere of Mars at CO(1−0) and CO(2−1) wavelengths with the IRAM 30-m antenna in June 2001 and November 2005. We retrieved the mean thermal profile of the planet from high and low spectral resolution data with an inversion method detailed here. High spectral resolution spectra were used to derive mesospheric wind velocities on the planetary disk. We also report here the use of 13 CO(2−1) line core shifts to measure wind velocities at 40 km.

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“…The Rayleigh scattering optical depth is computed as in Hansen and Travis (1974), using parameters appropriate for Mars. Atmospheric composition is taken as 95% CO2 (Owen et al, 1977). The altitude dependence of 03 is based on model results (Lindner, 1988).…”

Section: Modeling Proceduresmentioning

confidence: 99%

Mars Ozone: Mariner 9 Revisited

Lindner

1995

Icarus

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The composition of the atmosphere at the surface of Mars

Cited by 542 publications

References 32 publications

NOMAD, an Integrated Suite of Three Spectrometers for the ExoMars Trace Gas Mission: Technical Description, Science Objectives and Expected Performance

NOMAD, an Integrated Suite of Three Spectrometers for the ExoMars Trace Gas Mission: Technical Description, Science Objectives and Expected Performance

Vertical temperature profile and mesospheric winds retrieval on Mars from CO millimeter observations

Mars Ozone: Mariner 9 Revisited

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