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利用IGS-TEC数据分析中国华南地区电离层赤道异常北驼峰的变化特征

DOI: 10.11728/cjss2015.02.152, PP. 152-158

Keywords: IGS-TEC,电离层,赤道异常

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Abstract:

利用2010年11月至2011年10月IGS提供的全球电子浓度总含量(TEC)数据,分析太阳活动上升期华南地区(经度110°E,纬度5°—35°N)上空电离层赤道异常(EIA)北驼峰的变化特征.结果显示,电离层赤道异常北驼峰区TEC峰值I具有明显的季节和半年变化特征;北驼峰峰值出现的时间T和纬度L的日变化有一个相对较大的变化区间,其季节和半年变化特征并不明显;太阳活动对北驼峰变化影响比较明显,而地磁活动对北驼峰变化影响不明显.

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