Thermospheric energy flux of the semidiurnal tide |
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| Authors: | GV Groves |
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| Institution: | Department of Physics and Astronomy, University College London, U.K. |
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| Abstract: | The upward energy flux of the (2,2,2) mode of atmospheric oscillation generated by water vapour and ozone radiational heating is calculated at 125 km for mean January, April, July and October conditions. The values obtained for the global mean flux lie close to 0.05 mW m?2 with a small reduction in July amounting to 13% of the average for the other 3 months. The effect of semidiurnal tidal heating on exospheric temperature is discussed with reference to the earlier work of Lindzen and Blake (1970) and it is concluded that the semidiurnal tide causes a relatively small increase in exospheric temperature of ～ 33 K. |
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