Participation in the Mars data analysis program: Global and regional studies of wind-indicators on the surface of Mars

Details Participation in the Mars data analysis program: Global and regional studies of wind-indicators on the surface of Mars Participation in the Mars data analysis program: Global and regional studies of wind-indicators on the surface of Mars

Oct 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984cuni.rept.....v&link_type=abstract

Final Technical Report Cornell Univ., Ithaca, NY. Center for Radiophysics and Space Research.

Physics

Air Land Interactions, Atmospheric Boundary Layer, Atmospheric Effects, Ground Wind, Mars Surface, Topography, Albedo, Annual Variations, Dust Storms, Mars Craters, Planetary Meteorology, Sediments, Wind Effects, Wind Erosion

Scientific paper

Global and regional patterns on Mars were inferred from surface aeolian features, such as wind streaks and dune deposits, which were visible in Viking Orbiter images. Precise measurements of the dimensions of topographic obstacles, i.e., craters, hills, ridges, on Mars as well as their associated wind streaks were used to determine the aerodynamic shape of an obstacle affects near surface airflow. A classification of Martian wind streaks was developed on the basis of albedo contrast and the presence or absence of either topographic obstacles or sediment deposits at the point of origin of the wind streaks. It was concluded that local meteorological conditions, such as the stability of the atmospheric boundary layer, play a major role in determining why some Martian craters produce depositional wind streaks while others produce erosional ones.

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