Wind Erosion Flashcards
Abrasion
Sand hitting rock pulled by wind through the air.
Softer rock is eroded faster.
Harder rock left behind.
Seen in the Sand Blasting effect - Greatest 30cm above the surface.
Traction
Particles rolling along the land surface.
Deposition occurs in very good places.
Saltation
Sand moving through the air in strong winds.
Wind moves smaller particles via bouncing and hoping.
Causing Corrosion and Erosion.
Suspension
Fine particles moving high through the air.
Seen in Sandstorms.
Sand suspended easily through the air.
Define Aeolian
Wind Processes
Deposition
As wind speed drops, less energy carries the particles, and so the heaviest material is deposited first.
Follow by the lightest.
Deflation
Removal of dry unconsolidated material.
Finest material carried high and far.
Heavier particles left behind, leaving them uncovered.
Deflation Hollows
Wind blowing away fine sand, causing a depression in the soil.
Also leaving behind Hard rocks.