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Author Question: What is not an important factor for the development of wind waves? a. Wind speed b. Tides c. Wind ... (Read 164 times)

khang

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on: Aug 22, 2018

What is not an important factor for the development of wind waves?
  a. Wind speed
  b. Tides
  c. Wind direction
  d. Fetch



Question 2

What kind of flow is important in driving the ocean surface currents?
  a. Wave frequency
  b. West Wind Drift
  c. Progressive waves
  d. Stokes drift



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Rilsmarie951

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Reply #1 on: Aug 22, 2018
Answer to Question 1

ANS: B
Wind speed and duration are key in the development of wind waves. The wind then needs a fetch over
which wind can blow without changing direction. Information can be found in the section Wind
Blowing Over the Ocean Generates Waves.



Answer to Question 2

ANS: D
Stokes drift occurs if the particle speed decreases with depth. The movement in the top half of an orbit
moves farther forward in the direction of the wave. Any molecules in the bottom half of the orbit move
backwards. Information can be found in the section Waves Move Energy Across the Sea Surface.



khang

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Reply 2 on: Aug 22, 2018
Excellent

peter

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Reply 3 on: Yesterday
Gracias!

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