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Wind on Mars and Venus
Spring 2003
General Process – Earth, Mars, Venus
Suspension,
Saltation, Traction and Cavitation
Least wind concept - most
easily moved particle- Mars ,Earth (Air) ,Venus, Earth (Water)
- Erosion, Transport, Deposition
- Yardangs on
Mars (Greeley), 
Venus (Greeley).
Suspension,
Saltation, Traction
Least wind concept
Mars
VenusClose Up Appearance
Moon,
Earth, Venus, Mars comparison- Venus seems quite scoured in Venera lander images.
Magellan data; parabolic
"streaks"
Moon,
Earth, Venus, Mars comparison
Magellan data; parabolic
"streaks"Macroscopic Appearance
(back to top)
Mars Wind Tunnel Comparison 
Mars, Earth, Venus
Comparison.
Dunes, 
Martian Sand Dunes- Wind on Mars, MOC Images www.msss.com
- Dunes of Proctor Crater (Powerpoint presentation)
Mars, Earth, Venus
Comparison
Dunes
Martian Sand DunesImplications
(back to top)- Imbalance of weathering on Mars
- Low weathering on Venus
- Global circulation constraints
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