When a plant community vegetated on the ground, the roughness was changed because of the coverage and the height of plant, and the energy of wind because of the density and the interstitial-degree.

• 下垫面为植被群落时,风场分布发生改变,植被高度和盖度对下垫面粗糙度都有明显的影响,植被群落的密度以及断面疏透度对风能影响显著。