期刊
ENVIRONMENTAL GEOLOGY
卷 50, 期 7, 页码 983-988出版社
SPRINGER
DOI: 10.1007/s00254-006-0267-4
关键词
the near surface layer; turbulent transmission; wind tunnel experiment; wind erosion
To understand the generation and development mechanism of soil erosion, data of the wind profile from wind tunnel experiments were used, and the characteristics of the turbulent transmission with free stream velocity and the properties of the surfaces in arid and semi-arid regions were studied by the atmospheric aerodynamic method. The result showed that the turbulent momentum fluxes are proportional to the velocity and the roughness of the surfaces. In addition, they are closely related to the density of the roughness elements; the turbulent exchange coefficient over the near surface layer increases with height.
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