Aeolian Regime of the Surface of Venus

Details Aeolian Regime of the Surface of Venus Aeolian Regime of the Surface of Venus

Jul 1970

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1970ap%26ss...8...59r&link_type=abstract

Astrophysics and Space Science, Volume 8, Issue 1, pp.59-65

Astronomy and Astrophysics

Astrophysics

5

Scientific paper

Recent probes of the planet Venus reveal a probable surface temperature exceeding 700K and a pressure exceeding 100 atm. A very dusty lower atmosphere may exist which is composed of micron-sized particles kept airborne by mild turbulence and a gentle circulation of deep adiabatic currents. A study of surface conditions responsible for generation and persistence of surface dust clouds is of fundamental importance in the radiative and dynamic properties of the atmosphere. Also spurious radar echoes may be caused by suspended particulate matter, thus explaining the high relief reported by radar altimeters. Equations describing transportation and deposition of dust and sand have been solved for the surface conditions of Venus. It is concluded that the minimum wind velocity for initiating grain movement is about one order of magnitude smaller than on Earth. In addition, this minimum wind velocity occurs for smaller particles on Venus than on Earth. Once the particles are raised, they can be maintained aloft for longer periods of time and over a larger size range on Venus. Surface structures such as ripples evolved from aeolian deposition are likely to be of smaller vertical dimensions but larger horizontally when compared with equivalent structures on Earth.

Affiliated with

Also associated with

No associations

Rating

Aeolian Regime of the Surface of Venus does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Aeolian Regime of the Surface of Venus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Aeolian Regime of the Surface of Venus will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1682791