Physics
Scientific paper
May 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989jgr....94.5397v&link_type=abstract
Journal of Geophysical Research (ISSN 0148-0227), vol. 94, May 1, 1989, p. 5397-5404.
Physics
55
Gravity Waves, Hydroxyl Radicals, Nightglow, Oxygen Spectra, Wave Interaction, Atmospheric Density, Atmospheric Temperature, Emission Spectra, Spectroscopic Analysis
Scientific paper
The effect of gravity waves on the OH (6-2) and O2 (0-1) airglow emissions is examined using spectroscopic airglow data from Longyearbyen, Svalbard (78 deg N), and Fairbanks, Alaska (64 deg N). The analysis is done by fitting a synthetic spectrum to the data to infer the rotational temperature as well as the band intensity of each of the emissions. Quasi-periodic fluctuations in the band intensity and rotational temperature are assumed to be a result of modifications of a stable airglow layer by gravity waves. The relationship of the fluctuations in band intensity to rotational temperature may be expressed in terms of the ratio of the amplitudes of the fluctuations in intensity and temperature and the phase angle between the fluctuations in intensity and temperature. These parameters are observed to vary with wave period for both the OH and O2 emissions.
Deehr Charles S.
Viereck Rodney A.
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