Aerodynamic roughness length is a important feature to easement soil resistance to wind erosion.
耕作土壤表面空气动力学粗糙度是评价土壤可蚀性的重要指标。
Vegetation characteristics, such as height, density, coverage, lateral coverage of vegetation are closely related to the aerodynamic roughness length.
植被高度、密度、覆盖度、侧影盖度等特征，通过影响下垫面空气动力学粗糙度来达到抑制风蚀的效果。
Using wind velocity profile law determinate the aerodynamic roughness length of wheats different growth periods: the average roughness of shooting period, is 6.
利用风速廓线法测定小麦不同生长期的空气动力学粗糙度：青苗期的平均粗糙度最大，为6。
The method based on the mass conservation principle is a practical one to calculate the aerodynamic roughness lengthandzero plane displacement over tall vegetations.
基于质量守恒原理来计算高植被下垫面的动力学粗糙度、零平面位移是目前较为精确和实用的方法。
On the basis of those work, we continue to simulate and discuss the changes of heat island intensity caused by artificial heat source, aerodynamic roughness length and wind speed.
在此基础上，模拟并探讨了人为热源、风速、地面粗糙度等因素对城市热岛强度的影响。
In addition, the height, density and perpendicularity of remnant stubble, straws and grass had influence on aerodynamic roughness and wind velocity fluctuation on different underlying surfaces.
此外，作物残茬、秸秆和牧草等粗糙元的高度、密度及直立性均对下垫面的空气动力学粗糙度、摩阻速度及风速脉动有一定影响。
In addition, the height, density and perpendicularity of remnant stubble, straws and grass had influence on aerodynamic roughness and wind velocity fluctuation on different underlying surfaces.
此外，作物残茬、秸秆和牧草等粗糙元的高度、密度及直立性均对下垫面的空气动力学粗糙度、摩阻速度及风速脉动有一定影响。
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