| 高低纬地区电离层扩展F暴时特性比较研究 |
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| 引用本文： | 陶伟,史建魁,王国军,G.Zherebtsov,O.Pirog,A.Stepanov. 高低纬地区电离层扩展F暴时特性比较研究[J]. 电波科学学报, 2011, 0(5): 899-903,1025 |
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| 作者姓名： | 陶伟 史建魁 王国军 G.Zherebtsov O.Pirog A.Stepanov |
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| 作者单位： | 中国科学院空间天气学国家重点实验室;中国科学院研究生院;俄罗斯科学院西伯利亚分院日地物理研究所;俄罗斯科学院宇宙与高层大气物理研究所 |
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| 摘 要： | 不同纬度地区电离层扩展F的对比分析是研究电离层扰动传播的一个重要方法。本文利用三个台站六个磁暴期间的扩展F数据,对高低纬地区电离层扩展F暴时特性进行了对比研究。结果表明,高低纬地区观测到的扩展F类型不完全相同,并且扩展F的起始时刻随着纬度降低而推迟,这表明产生扩展F的电离层扰动是从高纬向低纬地区传播的。
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| 关 键 词： | 高低纬电离层 扩展F 暴时特性 扰动传播 |
Comparison on ionosphere spread-F between high and low latitude regions during the storm time |
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| Affiliation: | TAO Wei1,2 SHI Jian-kui1 WANG Guo-jun1 G.Zherebtsov3 O.Pirog3 A.Stepanov4 (1.State Key Laboratory for Space Weather,Center for Space Science and Applied Research CAS,Beijing 100190,China;2.Graduate university of Chinese Academy of Sciences,Beijing 100049,China;3.Institute of Solar-Terrestrial Physics,RAS,Irkutsk,Russia;4.Institute of Cosmophysical Research and Aeronomy,RAS,Yakutsk,Russia) |
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| Abstract: | Contrastive study of Spread-F between different latitudes of ionosphere is an important method to investigate ionospheric disturbance propagation.In this paper,data from three DPS-4 digisondes located at low and high latitude regions were used to study the ionospheric Spread-F properties during the six storm times.The results show that,the observed types of Spread-F over high and low latitudes are not exactly the same.And the start time of Spread-F will be later if the latitude of the station is lower.It implies that propagation of the ionospheric irregularities which caused the Spread-F is from high latitude to low latitude ionosphere. |
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| Keywords: | high and low latitude ionosphere spread-F properties during storm propagation of disturbance |
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