2002年
Regional ionosphere map over Japanese Islands
EARTH PLANETS AND SPACE
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- 巻
- 54
- 号
- 12
- 開始ページ
- E13
- 終了ページ
- E16
- 記述言語
- 英語
- 掲載種別
- 研究論文(学術雑誌)
- DOI
- 10.1186/BF03352450
- 出版者・発行元
- TERRA SCIENTIFIC PUBL CO
Based on the high time and spatial resolution total electron content (TEC) data, which is estimated from the phase and code observables obtained by using GPS (Global Positioning System) Earth Observation Network (GEONET), the TEC distribution and its time variation over Japanese Islands are scaled into 0.5degrees x 0.5degrees grid data for each 10 minutes. The TEC daily map time series are arranged in an array to show the TEC evolution. Based on the spherical harmonics expansion of global ionospheric TEC model (GIM), which is estimated from global GPS observation, the TEC maps are expanded firstly through as high as 60 degrees and orders for a spherical harmonic function as a regional ionosphere map (RIM). The evolution history of medium scale traveling ionospheric disturbances (MSTIDs), i.e. polarward intense TEC enhancement and pre-noon rapid irregular fluctuations near the geomagnetic equator, are identified and confirmed in a quiet geomagnetic period.
- リンク情報
- ID情報
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- DOI : 10.1186/BF03352450
- ISSN : 1343-8832
- Web of Science ID : WOS:000180666800009