Using the SWEPT Methodology for a Preliminary Wind Potential Estimation

Table 2

Estimation of the velocity from the ground roughness knowledge.

Ground type	𝛼
Ice	0.07
Snow on a flat ground	0.09
Calm sea	0.09
Short cut grass	0.14
Meadow	0.16
Cereal cultures	0.19
Hurdles	0.21
Trees and scattered hurdles	0.24
Trees and dense hurdles	0.29
Suburban or urban site	0.31
Forest	0.43