Rotational temperatures for OH and O2 airglow bands measured simultaneously from El Leoncito (31 deg 48 arcmin S)

Details Rotational temperatures for OH and O2 airglow bands measured simultaneously from El Leoncito (31 deg 48 arcmin S) Rotational temperatures for OH and O2 airglow bands measured simultaneously from El Leoncito (31 deg 48 arcmin S)

Jan 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990jatp...52...47s&link_type=abstract

Journal of Atmospheric and Terrestrial Physics (ISSN 0021-9169), vol. 52, Jan. 1990, p. 47-57.

Physics

27

Airglow, Earth Atmosphere, Hydroxyl Emission, Oxygen Spectra, Temperature Distribution, Annual Variations, Diurnal Variations, Nocturnal Variations, Phase Shift, Statistical Analysis, Temperature Measurement

Scientific paper

Some results from 54 nights of simultaneous measurements, performed between 1984 and 1987, of rotational temperatures for the OH(6-2) and O2(1Sigma)(0-1) bands are presented. A summer enhancement by 15 K in O2 temperature has been found that has not formerly been observed in airglow measurements. At least five nights show prominent tide-like temperature oscillations with a phase shift between layers typical of upward wave propagation at about 10 km/h, with up to 55 K variations. During other nights, similar oscillations are limited to the O2 layer. Data for different seasons seem to be characterized by different levels of variability.

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