Research Article

Wind Velocity Vertical Extrapolation by Extended Power Law

Table 1

Wind shear coefficient of various terrains [3].

Terrain typeā€‰

Lake, ocean, and smooth-hard ground0.1
Foot-high grass on level ground0.15
Tall crops, hedges, and shrubs0.2
Wooded country with many trees0.25
Small town with some trees and shrubs0.3
City area with tall buildings0.4