๐”– Bobbio Scriptorium
โœฆ   LIBER   โœฆ

Measurement of the vertical flux of turbulent kinetic energy with a single Doppler radar

โœ Scribed by A. Shelby Frisch; Brooks E. Martner; Janet S. Gibson

Book ID
104630905
Publisher
Springer
Year
1989
Tongue
English
Weight
397 KB
Volume
49
Category
Article
ISSN
0006-8314

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โœฆ Synopsis

The Doppler radar velocity azimuth display (VAD) technique for obtaining first and second moments of radial wind velocities is expanded to third-moment calculations. By scanning at an elevation angle of 50.8", terms of the third-moment equation can be reduced to yield the vertical flux of turbulent 7 kinetic energy, w q The technique has been applied to summertime radar measurements of the convective boundary layer in Illinois. Resulting vertical profiles of w'q' follow the expected shape, and the magnitudes compare well with those of aircraft measurements in previous studies.

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Vertical transport of turbulent kinetic
Vertical transport of turbulent kinetic energy in the surface layer over a paddy field
โœ T. Maitani ๐Ÿ“‚ Article ๐Ÿ“… 1977 ๐Ÿ› Springer ๐ŸŒ English โš– 935 KB

Turbulent kinetic energy and its vertical flux were measured at two heights over a paddy field. The vertical transport of turbulent kinetic energy was always downward right above the paddy field and was frequently downward at higher levels within a few metres above the crop. Contributions to the dow