"Observations of Gravity Wave Propagation in the OI (557.7 nm), Na (589" by Michael J. Taylor, M. A. Hapgood et al.
 

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Observations of Gravity Wave Propagation in the OI (557.7 nm), Na (589.2 nm) and the Near Infra-red OH Nightglow Emissions

Document Type

Article

Journal/Book Title/Conference

Planetary and Space Science

Volume

35

Issue

4

Publisher

Elsevier

Publication Date

4-1987

First Page

413

Last Page

427

Abstract

Images of wave-like structure in three nightglow emissions with different height profiles [the OI (557.7 nm) and Na (589.2 nm) lines and the OH bands between 715 and 810 nm] have been obtained with a low light TV system. A bright, well defined, curved wave pattern seen in these emissions on the evening of 14 August 1980 from the Gornergrat Observatory, Switzerland (45.98°N, 7.78°E) has been identified as the signature of a short period gravity wave propagating freely through the upper atmosphere in the height interval 80–100 km from a region over South-West France. The best fit parameters of the wave disturbance which produced the structures in the three airglow layers are wavelength = 6.5 ± 1.5 km, phase velocity = 5 ± 2 ms−1 (period = 21 ± 1 min) and phase propagation angle = 75° ± 3°, and were obtained by assuming a background wind with a horizontal component of 18 ms−1.

Comments

Originally Published by Elsevier in Planetary and Space Science http://www.sciencedirect.com/science/article/pii/0032063387900985

Publisher PDF is available through the link above. Publisher requires a subscription to access the article.

https://doi.org/10.1016/0032-0633(87)90098-5

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