Martian Middle-Latitude Atmospheric Stationary Waves as Manifested in MRO MCS Retrieved Temperature Data

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Large scale waves in the Martian atmosphere can play a significant role in the meridional transport of climatically important gases and aerosols. Banfield et al. (2003) examined forced waves in the Martian atmosphere in MGS TES nadir temperature data from 6.1 to 0.18 mbar. In September 2006, Mars Reconnaissance Orbiter's Mars Climate Sounder instrument began its limb sounding campaign, measuring atmospheric pressure, temperature, and gaseous/aerosol opacities from 6.1 to 0.0001 mbar at a similar ( 0.5 scale height) vertical resolution as TES. Using the extended pressures probed by MCS, Lee et al. (2009) have examined the thermal tide components of the forced waves in the MCS temperature data, but not the stationary wave components.
Our project analyzes MCS data that is publicly available through NASA's Planetary Data System's Atmospheres Node and currently contains more than 1.5 Martian years worth of retrievals. Our work focuses on the magnitude, longitudinal phase, and vertical propagation of the stationary wave components manifested in the MCS temperature data. Model results will be used to minimize aliased wave signatures. Our results agree with those of Lee et al. (2009) and extend Banfield et al. (2003)'s analysis with the larger pressure range provided by MCS.
This research was funded by the NASA PDS Atmospheres Node.
Banfield, et al., Icarus, 2003.
Lee, et al., JGR, 2009.

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