First results of meteor radar lower thermosphere wind measurements at Dixon, Arctic (73.5゜N, 80゜E)
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概要
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Results of simultaneous wind measurements by the identical meteor radars at Dixon (73.5°N, 80°E) and Obninsk (55°N, 37°E) are presented for the time interval from November 12, 1999 to July 31, 2000. A number of features were observed which require comprehensive investigation on the basis of long-term wind measurements in the high-latitude lower thermosphere. The observed semidiurnal tide phases at Dixon are close to those published for Troms0, providing some evidence for predominance of the migrating semidiurnal tide for semidiurnal oscillations at this latitude. Highly coherent oscillations in tidal amplitudes and prevailing winds were also revealed, as well as time intervals with non-significant semidiurnal tide during which oscillations with periods different from but close to 12 h were observed.
- 国立極地研究所の論文
著者
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Forbes J.
Department Of Aerospace Engineering Sciences
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Merzlyakov E.
Institute for Experimental Meteorology
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Portnyagin Yu.
Institute for Experimental Meteorology
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Makarov N.
Institute for Experimental Meteorology
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Palo S.
Department of Aerospace Engineering Sciences, UCB 429, University of Colorado
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Palo S.
Department Of Aerospace Engineering Sciences
関連論文
- First results of meteor radar lower thermosphere wind measurements at Dixon, Arctic (73.5゜N, 80゜E)
- Electric fields and meteor radar wind measurements near 95 km over South Pole
- Dynamics of the lower thermosphere over South Pole from meteor radar wind measurements
- Some results of comparison between the lower thermosphere zonal winds as seen by the ground-based radars and WINDII on UARS
- Some results of S-transform analysis of the transient planetary-scale wind oscillations in the lower thermosphere
- QBO effects on the diurnal tide in the upper atmosphere
- Some results of S-transform analysis of the transient planetary-scale wind oscillations in the lower thermosphere.