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Author Question: How would you recognize and distinguish between landscapes affected by wind erosion and deposition? ... (Read 44 times)

gonzo233

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on: Jul 16, 2018
How would you recognize and distinguish between landscapes affected by wind erosion and deposition?
 
  What will be an ideal response?

Question 2

Compare convection inside Earth with convection in the atmosphere. How are they similar? How are they different?
 
  What will be an ideal response?


mjenn52

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Reply #1 on: Jul 16, 2018
Answer to Question 1

Wind erosion lowers surface elevations. These wind-scoured areas can be recognized as deflation pans or where yardangs remain above a deflated surface. Deposition builds up surface elevations and is most obvious where sand dunes are present.

Answer to Question 2

Convection in both places includes sinking of colder and denser materials and rise of warmer and less dense materials. In both cases, convection transports heat. The biggest difference is the rates of convection, which are on the order of centimeters per year inside Earth whereas wind moves at speeds up to meters per second.


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