✦ LIBER ✦

Spectra of the temperature and humidity fluctuations in the marine boundary layer

✍ Scribed by J. Warner

Publisher: John Wiley and Sons
Year: 1973
Tongue: English
Weight: 378 KB
Volume: 99
Category: Article
ISSN: 0035-9009
DOI: 10.1002/qj.49709941908

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✦ Synopsis

Abstract

The results are given of the analysis of temperature and humidity fluctuations observed from an aircraft in 61 runs at heights of 30–550 m above the open sea in conditions of active convection in the south‐east Trades. The dimensionless temperature fluctuations varied with ( − z/L)^−1/3^ for scale heights from about 0·2 to 2 but thereafter showed little change with height. The spectra obeyed the −5/3 power law for dimensionless frequencies in excess of about 0·3. The variance of virtual potential temperature showed a maximum at a lower dimensionless frequency than the variance of vertical air velocity observed during the same series of observations.

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