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chapter 12,section 2
Question | Answer |
---|---|
Saltation | Sand sized particles skip and bounce along in the direction that the wind is moving |
Deflation | Wind removes the top layers of fine sediment or soil and leaves behind larger rock peices |
Abrasion | Rock or sand wears down larger peices of rock |
Loess | Thick deposits of windblown,fine-grained sediment |
Dune | A mound of wind deposited sand |
Winward Slope | The gently sloped side of a dune |
Slipface | The steep side of a dune |
How do Dunes form? | Barriers such as plants and rocks, cause wind to slow down.As the wind slows it deposits particles on top of the barrier. |