Definition of roughness length in English:

roughness length

noun

Meteorology

A parameter used in representing the variation of horizontal wind speed with height immediately above the ground (or water surface), and typically corresponding to the unevenness of the surface; also "surface roughness length".

Origin

1930s; earliest use found in Quarterly Journal of the Royal Meteorological Society. Translating German Linearabmessung der Rauhigkeiten (L. Prandtl 1932, in Beiträge zur Physik der Atmosphäre 19 190.

Definition of roughness length in US English:

roughness length

noun

Meteorology

A parameter used in representing the variation of horizontal wind speed with height immediately above the ground (or water surface), and typically corresponding to the unevenness of the surface; also "surface roughness length".

Origin

1930s; earliest use found in Quarterly Journal of the Royal Meteorological Society. Translating German Linearabmessung der Rauhigkeiten (L. Prandtl 1932, in Beiträge zur Physik der Atmosphäre 19 190.

单词	roughness length
释义	Definition of roughness length in English: roughness length noun Meteorology A parameter used in representing the variation of horizontal wind speed with height immediately above the ground (or water surface), and typically corresponding to the unevenness of the surface; also "surface roughness length". Origin 1930s; earliest use found in Quarterly Journal of the Royal Meteorological Society. Translating German Linearabmessung der Rauhigkeiten (L. Prandtl 1932, in Beiträge zur Physik der Atmosphäre 19 190. Definition of roughness length in US English: roughness length noun Meteorology A parameter used in representing the variation of horizontal wind speed with height immediately above the ground (or water surface), and typically corresponding to the unevenness of the surface; also "surface roughness length". Origin 1930s; earliest use found in Quarterly Journal of the Royal Meteorological Society. Translating German Linearabmessung der Rauhigkeiten (L. Prandtl 1932, in Beiträge zur Physik der Atmosphäre 19 190.
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