Martian Boundary Layer Water Ice Clouds At The Proposed NASA Phoenix Lander Site

Details Martian Boundary Layer Water Ice Clouds At The Proposed NASA Phoenix Lander Site Martian Boundary Layer Water Ice Clouds At The Proposed NASA Phoenix Lander Site

Dec 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006dps....38.6029m&link_type=abstract

American Astronomical Society, DPS meeting #38, #60.29

Physics

Scientific paper

Results from the one-dimensional University of Helsinki atmospheric
boundary layer (ABL) model are applied to a one-dimensional Mars microphysics model (MMM) to study the diurnal variation of ground fogs and ice cloud formation at the proposed NASA Phoenix landing site. Phoenix is scheduled to reach Mars in 2008 and land in the northern plains (65°-72°N). A Meteorology station (MET), consisting of a pressure sensor, 3 mast-mounted temperature sensors and an upward-looking LIDAR, will enable weather and boundary layer observations. The LIDAR (Light Detection and Ranging) instrument will be capable of monitoring dust and ice clouds, including fog and dust plumes, in the Martian boundary layer. Understanding these future LIDAR observations is the motivation for the modeling studies conducted for this paper. Observations from the MGS TES for the proposed landing site and season Ls 76 125 have been used for the model initialization, both in the ABL and MMM. The diurnal variations of temperature and eddy diffusion coefficients produced by the ABL are then applied to the MMM. Sensitivity to water ice cloud simulation is studied by varying the vertical resolution of the MMM and by inclusion of surface fluxes of dust and water vapor. The results from these studies will be presented at the conference.
Acknowledgements: This work is supported by the Canadian Space Agency and Natural Sciences and Engineering Research Council of Canada.

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