Abstract

The effect of lunar tidal dynamics on the O I(5577 A) airglow is studied for Chapman's (1931) reaction, Barth's (1964) mechanism, and the F-region contribution to the green-line intensity. The computed E-region variations are of the same order as the observed lunar variations in the airglow and agree well in phase. The F-region contribution is found to be of roughly the same order as the lunar variation that is calculated for the E region but to have possibly a much different phase. It is concluded that the dynamics of the lunar tide are sufficient to produce a lunar variation in green-line airglow that is similar to the observed variation.

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