All Physics Faculty Publications
Document Type
Article
Journal/Book Title/Conference
Journal of Geophysical Research
Volume
30
Issue
1979
Publisher
American Geophysical Union
Publication Date
10-2003
First Page
1
Last Page
4
Abstract
The novel use of imaging riometers to observe mesospheric gravity waves is described. Imaging riometers respond to changes in the absorption of cosmic radio noise in the ionospheric D-region which enables them to detect the compression and rarefaction of the atmosphere at 90 km altitude generated by the passage of gravity waves. A considerable advantage of this method is that, unlike conventional techniques which rely on imaging faint optical emissions from the airglow layer at 87 km altitude, riometers remain operative under daylit, moonlit or cloudy conditions. This is particularly important for research into gravity wave forcing of mesospheric temperature at polar latitudes in summer when continuous 24-hour daylight prevails. An example in which the same wave event is characterized in colocated airglow imager and imaging riometer shows good agreement between the two instruments.
Recommended Citation
Jarvis, M.J., R. E. Hibbins, M.J. Taylor and T.J. Rosenberg, Utilising riometry to observe gravity waves in the sunlit mesosphere, J. Geophys. Res., 30, No. 19, 1979, doi:10.1029/ 2003GL017885, 2003.
Comments
Published by the American Geophysical Union in Geophysical Research Letters.
http://www.agu.org/pubs/crossref/2003/2003GL017885.shtml
Publisher PDF is available for download through the link above.