Computer Science – Sound
Scientific paper
Jul 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981jgr....86.5632t&link_type=abstract
Journal of Geophysical Research, vol. 86, July 1, 1981, p. 5632-5642. Financiadora de Estudos e Projetos
Computer Science
Sound
47
Airglow, Atmospheric Sounding, Hydroxyl Emission, Night Sky, Spectral Bands, Atmospheric Chemistry, Cross Correlation, Geophysics, Photometers, Vibrational Spectra
Scientific paper
Band intensities and the rotational temperatures for the OH(9,4), (8,3), (7,2), (6,2), and (5,1) bands are measured using a multichannel tilting filter photometer. It is found that the nocturnal variations of the five bands exhibit good correlation but that there are small differences in the amplitudes of the variations between the bands from the upper vibrational levels and those from the lower levels. An investigation of the cross correlation between the band intensities reveals that the nocturnal variations of the upper vibrational bands lead those of the lower levels. Vibrational populations and initial excitation rates are calculated for each vibrational level. The results reveal an increase of the initial excitation rate in the v equals 5 and v equals 6 levels.
Batista Pedro
Takahashi Hiroyuki
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