Cover Journal of Applied Meteorology and Climatology
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Editorial Type:
Article
Article Type:
Research Article

Vertical Velocity Variances and Reynold Stresses at Brookhaven

N. E. Buscha, R. M. Brownb, and J. A. Frizzolab
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  • a Danish Atomic Energy Commission, Risö
  • | b Brookhaven National Laboratory, Upton, N. Y.
Print Publication:
01 Aug 1970
DOI:
https://doi.org/10.1175/1520-0450(1970)009<0583:VVVARS>2.0.CO;2
Page(s):
583–587
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Abstract

The response characteristics obtained through wind tunnel tests of the Brookhaven National Laboratory bivane are presented and used in correcting the measured values of (ω′2/u*2), the variance of the vertical wind velocity fluctuations normalized by the square of the friction velocity. In neutral through unstable atmospheres the corrected values appear to be independent of thermal stability and height of observation, except for extreme instability at heights >46 m. The average value based on measurements at heights of 23, 46 and 92 m is 1.48 with a standard deviation of 0.38.

Abstract

The response characteristics obtained through wind tunnel tests of the Brookhaven National Laboratory bivane are presented and used in correcting the measured values of (ω′2/u*2), the variance of the vertical wind velocity fluctuations normalized by the square of the friction velocity. In neutral through unstable atmospheres the corrected values appear to be independent of thermal stability and height of observation, except for extreme instability at heights >46 m. The average value based on measurements at heights of 23, 46 and 92 m is 1.48 with a standard deviation of 0.38.

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