All Physics Faculty Publications
Document Type
Article
Journal/Book Title/Conference
Applied Optics
Volume
36
Issue
29
Publisher
Optical Society of America
Publication Date
10-1997
First Page
7374
Last Page
7385
Abstract
A technique to analyze short-period (<1 hour) gravity wave structure in all-sky images of the airglow emissions is described. The technique involves spatial calibration, star removal, geographic projection, regridding, and flat fielding of the data prior to the determination of the horizontal wave parameters (wavelength, velocity, and period), by use of standard two-dimensional Fourier analysis techniques. The method was developed to exploit the information that is now available with wide-field solid state imaging systems. This technique permits interactive and quantitative investigations of large, complex data sets. Such studies are important for investigating gravity wave characteristics, their interaction with the airglow emissions, and their geographic and seasonal variability. We study one event of this type here and present possible evidence of a nonlinear wave–wave interaction in the upper atmosphere.
Recommended Citation
Garcia, F.J., M.J. Taylor, and M.C. Kelley, Two-dimensional spectral analysis of mesospheric airglow image data. Appl. Optics, 36, 7374, 1997.
Comments
Originally Published by the Optical Society of America in Applied Optics: http://www.opticsinfobase.org/abstract.cfm?URI=ao-36-29-7374
Publisher PDF is available for download through the link above.