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wind erosion

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by

Joe Albrecht

on 20 January 2010

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Transcript of wind erosion

wind erosion Abrasion- is where wind blown sediments blow across rock and scratches the rock, wearing away at the surface Question #1
What are the different effects of abrasion on limestone compared to granite? Answer to question #1
Limestone is much weaker
than granite is therefore abrasion will break through limestone much easier. Question#2
What is deflation? Answer #2
As wind erodes it picks up
the lighter finer sediments
and blows away in the wind eventually settling somewhere else.
Picture yourself picking up handfull of just gravel you drop them and the little sediments and dust blow away in your eyes and everywhere else depending on the direction the wind is blowing and the heavier sediments drop. What is the difference
between duststorms and sandstorms?
When wind blows away lighter sand sediments and leaves behind the coarser
sand and sediments.
sand storm dust stom dune is the effect of deflation dune By Mattie Maddie & Brandy:) deflation duststorms have finer particles and can
blow more fierce and sandstorms have heavier sediments
and need stronger wind to relocate the sediments. Loess-fine grained sediments blowinng
in the air loess How do dunes get there shape? Windblown sediments build up against
an object making a dune.:) duststorms have finer particles and can blow more fierce and sandstorms have heavier sediments and need stronger wind to relocate the sediments. By Mattie,Maddie, & Brandy:)
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