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Turbulent diffusivity and diurnal variations in the atmospheric boundary layer

โœ Scribed by Nobuhisa Yasuda

Publisher
Springer
Year
1988
Tongue
English
Weight
625 KB
Volume
43
Category
Article
ISSN
0006-8314

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โœฆ Synopsis

Diurnal variations of the vertical profiles of wind and temperature have been surveyed, and the diffusivity and the dimensionless gradient function in the atmospheric boundary layer have been estimated. Even in the middle of the atmospheric boundary layer (e.g., below a height of 442 m), the vertical wind profile normahzed by the surface friction velocity has approximately a universal profile function different from that in the surface boundary layer. Under strong stability conditions, the dimensionless gradient function has a value of about 9.

๐Ÿ“œ SIMILAR VOLUMES

Theoretical studies of diurnal wind-stru
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โœ K. Buajitti; A. K. Blackadar ๐Ÿ“‚ Article ๐Ÿ“… 1957 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 958 KB

## Abstract Averages of the wind vector at four times of the day were evaluated for 29 suitable days during the summer of 1951 at Wichita, Kansas, and Oklahoma City. The periodic portion of the wind variation vector is an ellipse at all levels with the major axis approximately in the direction of t