Aeolian processes on Venus

Details Aeolian processes on Venus Aeolian processes on Venus

Dec 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990em%26p...50..127g&link_type=abstract

Earth, Moon, and Planets (ISSN 0167-9295), vol. 50-51, July-Dec. 1990, p. 127-157.

Mathematics

Logic

6

Planetary Craters, Venus Atmosphere, Venus Surface, Volcanology, Wind Effects, Wind Erosion, Pioneer Venus Spacecraft, Steady State, Topography

Scientific paper

A pre-Magellan review is presented of aeolian processes on Venus. The Venus observations relevant to the surface process are considered and the laboratory simulations and theoretical considerations of the effects of windblown particles on Venus are outlined. Plausible models for the roles that aeolian processes may have played on the planet are discussed. Based on the rate of disappearance of radar-bright haloes around impact craters, the rate of removal of block surfaces is estimated to be about 0.01 km/Ga. Observations to be made via Magellan and future spacecraft are proposed to resolve unanswered questions regarding aeolian processes on Venus. The overall conclusion is that Venus is a geologically active planet, but one dominated by volcanism and tectonism. Different conditions, however, are suggested by theoretical considerations and experimental data on weathering and transport of surface materials.

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