31st Annual Meeting of the DPS, October 1999
Session 48. Mars Atmospheres Posters
Poster Group II, Thursday-Friday, October 14, 1999, , Kursaal Center

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[48.01] Polar Cap Edge Circulations in a 3D Martian Mesoscale Model

A. D. Toigo, M. I. Richardson (California Institute of Technology)

The Martian cap edge region is characterized by high surface winds which are driven by the large surface thermal contrast. For this study we have converted the NCAR MM5V2 mesoscale model to Mars. The model includes atmospheric dust, representation of the polar ice cap, detailed topography, thermal and albedo maps derived by Vasavada et al. (1999), and boundary conditions provided by the GFDL Mars Global Circulation Model (MGCM). We will show time evolving circulation patterns for a range of different thermal contrasts and different seasons.


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