Computer Science – Numerical Analysis
Scientific paper
May 1978
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978phdt........24s&link_type=abstract
Ph.D. Thesis Georgia Inst. of Tech., Atlanta.
Computer Science
Numerical Analysis
Planetary Radiation, Upper Atmosphere, Barotropism, Dynamic Characteristics, Numerical Analysis, Radio Frequencies
Scientific paper
The problem is pursued for the general frequency range for a barotropic atmosphere in uniform rotation. It is demonstrated that only two vertical modes exist, one being a perturbation of the Lamb mode, and the other attaining large amplitudes in the stratosphere and the mesosphere. A spectrally unbiased technique for decomposing radio meteor wind data into the velocity components is developed. Meteor wind and rawinsonde data are analyzed for spectral content from planetary waves, in particular from the discrete set of normal modes found earlier. The empirical and theoretical results compare favorably and suggest that this low frequency range is composed of essentially discrete spectral content. This discrete nature is present throughout the year in the mesosphere and is most pronounced during winter. The most consistent features observed, were the two and five-day waves.
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