Day-to-day variations of migrating semidiurnal tide simulated by a general circulation model
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概要
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By using a general circulation model, we examine behavior of the migrating semidiurnal tide for equinox during solar cycle minimum and geomagnetically quiet conditions. We investigate day-to-day variations of the migrating semidiurnal tide in the mesosphere and thermosphere, and their relation with the migrating semidiurnal tide generated in the lower atmosphere. The results show that day-to-day variations of the migrating semidiurnal tide are evident from the upper troposphere to the thermosphere. Fluctuations of the migrating semidiurnal tide amplitude with periods of 17-18 and 25 days are found at altitudes from 20 to 200 km height, indicating dynamical coupling between the mesosphere and thermosphere and the lower atmosphere.
- 国立極地研究所の論文
著者
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Fujiwara Hitoshi
Department Of Cardiology National Otake Hospital
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Miyoshi Yasunobu
Department Of Earth And Planetary Sciences Faculty Of Sciences Kyushu University
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Fujiwara Hitoshi
Department Of Geophysics Faculty Of Science Tohoku University
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Miyoshi Yasunobu
Department Of Earth And Planetary Science Faculty Of Sciences Kyushu University
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