The Martian Dust Cycle: Investigation of the Surface Lifting Component

Details The Martian Dust Cycle: Investigation of the Surface Lifting Component The Martian Dust Cycle: Investigation of the Surface Lifting Component

Jul 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996sjsu.rept.....m&link_type=abstract

Technical Report, San Jose State Univ. CA United States

Physics

Mars (Planet), Dust, Atmospheric Circulation, Mars Surface, Mars Atmosphere, Aerosols, Position (Location), Deposition

Scientific paper

We have investigated the nature of the annual cycle of suspended dust in the martian atmosphere. This has been undertaken to understand the dynamical processes responsible for lifting dust from the surface, locations where dust is preferentially lifted, and preferred sites for dust deposition upon the surface. Our efforts have involved carrying out a number of numerical simulations with the Ames Mars General Circulation Model (GCM) interactively coupled with an aerosol transport/ micro-physical model. The model generates an annual dust cycle similar to that observed. Various feedbacks are present in the atmosphere/ surface system which enter into the generation of the cycle. Several locations are primary surface sources of dust, while much of the remaining planet's surface acts a sink for suspended dust.

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