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Density response of the mesospheric sodium layer to gravity wave perturbationsLidar observations of the mesospheric sodium layer often reveal wavelike features moving through the layer. It is often assumed that these features are a layer density response to gravity waves. Chiu and Ching (1978) described the approximate form of the linear response of atmospheric layers to gravity waves. In this paper, their results are used to predict the response of the sodium layer to gravity waves. These simulations are compared with experimental observations and a good correlation is found between the two. Because of the thickness of the sodium layer and the density gradients found in it, a linear model of the layer response is not always adequate to describe gravity wave-sodium layer interactions. Inclusion of nonlinearities in the layer response is briefly discussed. Experimental data is seen to contain features consistent with the predicted nonlinearities.
Document ID
19810033028
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Shelton, J. D.
(Illinois Univ. Urbana-Champaign, IL, United States)
Gardner, C. S.
(Illinois Univ. Urbana-Champaign, IL, United States)
Sechrist, C. F., Jr.
(Illinois, University Urbana, Ill., United States)
Date Acquired
August 11, 2013
Publication Date
December 1, 1980
Publication Information
Publication: Geophysical Research Letters
Volume: 7
Subject Category
Geophysics
Accession Number
81A17432
Funding Number(s)
CONTRACT_GRANT: NSF ATM-78-12308
CONTRACT_GRANT: NGR-14-005-181
CONTRACT_GRANT: NSF ATM-79-20726
Distribution Limits
Public
Copyright
Other

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