Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/41063
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Type: Journal article
Title: Observations of mesospheric wind velocities: 1. Gravity wave horizontal scales and phase velocities determined from spaced wind observations
Author: Meek, C.
Reid, I.
Manson, A.
Citation: Radio Science, 1985; 20(6):1363-1382
Publisher: American Geophysical Union
Issue Date: 1985
ISSN: 0048-6604
1944-799X
Statement of
Responsibility: 
C. E. Meek, I. M. Reid, and A. H. Manson
Abstract: Horizontal scales and phase velocities of upper middle atmosphere (60–110 km) gravity waves determined from preliminary analysis of spaced wind observations obtained with a dual bistatic radar (Gravnet), based on and operated together with the Saskatoon MF radar are presented. In the observed period range of 10–100 min, horizontal scales increase from values of ∼44 km at 10 min to ∼211 km at 100 min, while observed phase speeds decrease from values of ∼72 m/s at 10 min to ∼34 m/s at 100 min. Typical rms perturbation velocities are ∼5 m/s. Calculation of intrinsic wave parameters indicates that in the intrinsic period range of 10–100 min, horizontal scales increase from values of ∼68 km at 10 min to ∼119 km at 100 min, with intrinsic phase speeds of ∼93 m/s at 10 min and ∼20 m/s at 100 min. The corresponding values of vertical wavelength are 30 km and 6 km, respectively.
Description: Article first published online: 7 DEC 2012
Rights: Copyright 1985 by the American Geophysical Union.
RMID: 0030001807
DOI: 10.1029/RS020i006p01363
Published version: http://www.agu.org/pubs/crossref/1985/RS020i006p01363.shtml
Appears in Collections:Physics publications

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