Dust-dynamic feedbacks in the Martian atmosphere: Surface dust lifting

Details Dust-dynamic feedbacks in the Martian atmosphere: Surface dust lifting Dust-dynamic feedbacks in the Martian atmosphere: Surface dust lifting

Mar 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993lpi....24.1035m&link_type=abstract

In Lunar and Planetary Inst., Twenty-Fourth Lunar and Planetary Science Conference. Part 2: G-M p 1035-1036 (SEE N94-16173 03-91

Physics

Atmospheric Circulation, Dust, Mars Atmosphere, Mars Surface, Topography, Wind Effects, Aerosols, Atmospheric Models, Baroclinic Waves, Dust Storms, Planetary Meteorology, Tides

Scientific paper

Numerical models have been developed to study surface dust lifting in the Martian atmosphere. The present model is comprised of interactively coupled 3-D dynamical and aerosol transport/microphysical models. The nature of possible feedbacks between surface dust lifting and the amplification/damping of near-surface wind and thermal fields and their implications for additional lifting is investigated. These studies have examined large scale Martian topography for its impact upon the ability of the atmospheric circulation to lift dust from the surface, and the particular component(s) responsible for the lifting (e.g. overturning circulation, thermal tides, baroclinic waves). Analogous experiments in which the lifted dust is radiatively inactive (passive tracer) have been conducted to act as a control against which feedbacks are defined.

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