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A case study of a high level Canberra flight on 11 September 1968

✍ Scribed by D. N. Axford

Publisher
John Wiley and Sons
Year
1972
Tongue
English
Weight
515 KB
Volume
98
Category
Article
ISSN
0035-9009

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✦ Synopsis

Abstract

A case study is presented of a high level flight by the MRF Canberra showing most of the characteristic features of intermittent clear air turbulence, gravity waves and smooth flight. Winds and temperatures obtained from two 500 km runs across a sharp upper trough are used to calculate energy spectra and cross‐spectra over a range of wavelengths from 250 m to 100 km. The spectra show clearly the important contribution of the gravity waves in the range 1 km to 10 km, and the negligible contribution of the total high frequency energy in the case of intermittent slight clear air turbulence.

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