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roughness length

  • 粗糙长度

双语例句

  1. Aerodynamics roughness length is one of important indexes for estimating topsoil 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。
  2. 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。
  3. 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。

网络短语

  • reference roughness length
    基准粗糙长度
  • aerodynamic roughness length
    空气动力学粗糙度
  • surface roughness length
    地面粗糙长度
  • scalar roughness length
    标量粗糙度
  • bottom roughness length
    底床粗糙长度

英英释义

  • Roughness length (z_0) is a parameter of some vertical wind profile equations that model the horizontal mean wind speed near the ground; in the log wind profile, it is equivalent to the height at which the wind speed theoretically becomes zero. In reality the wind at this height no longer follows a mathematical logarithm.