Transport of Venusian rolling 'stones' by wind?

Details Transport of Venusian rolling 'stones' by wind? Transport of Venusian rolling 'stones' by wind?

Feb 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985natur.313..771g&link_type=abstract

Nature (ISSN 0028-0836), vol. 313, Feb. 28, 1985, p. 771-773. NASA-supported research.

Computer Science

9

Venus Atmosphere, Venus Surface, Wind Effects, Venera Satellites, Water Flow, Wind Tunnels, Wind Velocity, Venus, Transport, Winds, Aeolian Processes, Venera Missions, Particles, Velocity, Comparisons, Atmosphere, Ridges, Grooves, Features

Scientific paper

Simulations of Venusian wind processes are described which show that particles are moved by 'rolling' at wind speeds as much as 30 percent lower than those required for saltation threshold. This mode of wind transport is only observed for sustained periods in water on earth; thus, there are similarities between aqueous fluid transport on earth and atmospheric transport on Venus. The formation of small sand ridges and grooves oriented parallel to the wind direction is associated with the rolling of grains in Venusian simulations and these structures may be unique aeolian features on Venus.

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