Climatology of the Martian Middle Atmosphere

Details Climatology of the Martian Middle Atmosphere Climatology of the Martian Middle Atmosphere

Sep 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009dps....41.4901m&link_type=abstract

American Astronomical Society, DPS meeting #41, #49.01

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The Martian middle atmosphere ( 60-130 km) is notoriously understudied yet its study is vital for understanding the atmosphere as an integrated system, and also for the safety of spacecraft missions. The objective of this effort is to begin development of a multi-dataset climatology of the middle atmosphere by building upon recent analyses of MEX/SPICAM observations [2, 6] with analysis of recent observations from MRO/MCS. The MEX/SPICAM dataset consists of an entire Martian year of temperature and density profiles ( 70-130 km) [1, 7]. The currently available MRO/MCS dataset offers temperature profiles ( surface-80 km) for nearly a full year, subsequent to the MEX/SPICAM observation period [3, 4, 5]. While these two datasets do not overlap in year they do overlap in season, and thus comparing them offers insight into interannual variations of the temperature structure at altitudes common to both datasets. Additional benefits of augmenting the recently developed MEX/SPICAM climatology [2, 6] with analysis of the MRO/MCS dataset include broader spatial (geographic) coverage at every season as well as increased sampling of the dayside of the planet. By analyzing these two datasets in tandem, we achieve a more comprehensive picture of the climatological patterns of this region of Mars's atmosphere than has been attainable with previous examinations of a single dataset.
References:
[1] Bertaux, J.-L. (2006) JGR, 111, E10S90.
[2] Forget, F., et al. (2009) JGR, 114, E01004.
[3] Kleinboehl, A., et al. (2008), 3rd Mars Atmosphere Workshop, Abstract #9086.
[4] McCleese, D.J., et al. (2007), JGR, 112, E05S06.
[5] McCleese, D.J., et al. (2008), 3rd Mars Atmosphere Workshop, Abstract #9037.
[6] McDunn, T.L., et al. (2009) Icarus, in press.
[7] Quemerais, E., et al. (2006) JGR, 111, E9.

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