Assume a wind speed of 1.8 m/s at the height of 10 m above the ground. Estimate the wind speed at an elevation of 200 m in rough terrain if the atmosphere is moderately unstable, neutral, and stable, respectively. By comparing the calculation results, what do you find out and try to explain it. Table Wind Profile Exponent p, for Rough Terrain (Peterson, 1978) Stability Class Description Exponent p A B C D E F Very unstable Moderately unstable Slightly unstable Neutral Slightly stable Stable 0.15 0.15 0.20 0.25 0.40 0.60

Applications and Investigations in Earth Science (9th Edition)
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ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
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Assume a wind speed of 1.8 m/s at the height of 10 m above the ground. Estimate the wind speed
at an elevation of 200 m in rough terrain if the atmosphere is moderately unstable, neutral, and stable,
respectively. By comparing the calculation results, what do you find out and try to explain it.
Table Wind Profile Exponent p, for Rough Terrain (Peterson, 1978)
Stability Class
Description
Exponent p
A
B
с
D
E
F
Very unstable
Moderately unstable
Slightly unstable
Neutral
Slightly stable
Stable
0.15
0.15
0.20
0.25
0.40
0.60
Transcribed Image Text:Assume a wind speed of 1.8 m/s at the height of 10 m above the ground. Estimate the wind speed at an elevation of 200 m in rough terrain if the atmosphere is moderately unstable, neutral, and stable, respectively. By comparing the calculation results, what do you find out and try to explain it. Table Wind Profile Exponent p, for Rough Terrain (Peterson, 1978) Stability Class Description Exponent p A B с D E F Very unstable Moderately unstable Slightly unstable Neutral Slightly stable Stable 0.15 0.15 0.20 0.25 0.40 0.60
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