Airglow OH emission height inferred from the OH temperature and meteor trail diffusion coefficient |
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| Institution: | 1. Instituto Nacional de Pesquisas Espaciais, Div. de Aeronomia, C.P. 515, 12245-970 São José dos Campos, SP, Brazil;2. Research Institute for Sustainable Humanosphere, Kyoto University, Uji, Kyoto 611, Japan;3. Solar-Terrestrial Environment Laboratory, Nagoya University, Toyokawa 442-8507, Japan;4. Universidade Estadual de Paraiba, Campina Grande, PB, Brazil |
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| Abstract: | Simultaneous observations of the airglow OH(6,2) band rotational temperature, TOH, and meteor trail ambipolar diffusion coefficient, D, were carried out at Shigaraki (35°N, 136°E), during PSMOS 2003 Campaign, January 28 to February 8, 2003. The OH emission height was estimated by cross correlation analysis of the TOH and D nocturnal variations. A good correlation between TOH and D was obtained at 85 km of altitude. From the nocturnal variations of TOH and D, it is found that the OH emission peak height varied from 88 km before the midnight to 84 km in the early morning. The height variation could be caused by an atmospheric tidal effect in the emission height. |
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