Mesospheric CO2 Clouds on Mars: Hypotheses on their Dynamical and Microphysical Origin

Abstract : In this work we will compare the overall CO2 cloud dataset to the LMD Mars Global Climate Model predictions (MGCM, Forget et al. 1999, Gonzalez-Galindo et al. 2009) and discuss the origins of the different cloud characteristics, related to microphysical processes. Some of the OMEGA clouds have the appearance of a cumuliform cloud, possibly suggesting convective formation mechanism. We will evaluate the possibility of mesospheric convection on Mars based on OMEGA and SPICAM observations.
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Anni Määttänen, Franck Montmessin, F. Gonzalez-Galindo, A. Spiga, François Forget. Mesospheric CO2 Clouds on Mars: Hypotheses on their Dynamical and Microphysical Origin. Fourth international workshop on the Mars atmosphere: Modelling and observations, Feb 2011, Paris, France. pp.420-423. ⟨hal-00642917⟩

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