Research Article
Assessment of Wind Characteristics and Wind Power Potential of Gharo, Pakistan
Table 2
Typical values of surface roughness length and power law exponent.
| Terrain | Z0 | Α |
| Ice, mud flat | 10−3∼310−3 | — | Calm sea | 210−4∼310−4 | — | Sand | 210−4∼10−3 | 0.01 | Mown grass | 0.001∼0.01 | — | Low grass | 0.01∼0.04 | 0.13 | Fallow field | 0.02∼0.03 | — | High grass | 0.04∼0.1 | 0.19 | Forest and wood land | 0.1∼1 | — | Suburb or built area | 1∼2 | 0.32 | Town, city | 1∼4 | — |
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