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中低纬电离层不同季节地磁暴响应的事例分析

李维新 陈艳红 袁天娇

李维新, 陈艳红, 袁天娇. 中低纬电离层不同季节地磁暴响应的事例分析[J]. 空间科学学报, 2021, 41(5): 746-759. doi: 10.11728/cjss2021.05.746
引用本文: 李维新, 陈艳红, 袁天娇. 中低纬电离层不同季节地磁暴响应的事例分析[J]. 空间科学学报, 2021, 41(5): 746-759. doi: 10.11728/cjss2021.05.746
LI Weixin, CHEN Yanhong, YUAN Tianjiao. Ionosphere Responses to Geomagnetic Storms at Middle to Low Latitude Region in Different Seasons[J]. Chinese Journal of Space Science, 2021, 41(5): 746-759. doi: 10.11728/cjss2021.05.746
Citation: LI Weixin, CHEN Yanhong, YUAN Tianjiao. Ionosphere Responses to Geomagnetic Storms at Middle to Low Latitude Region in Different Seasons[J]. Chinese Journal of Space Science, 2021, 41(5): 746-759. doi: 10.11728/cjss2021.05.746

中低纬电离层不同季节地磁暴响应的事例分析

doi: 10.11728/cjss2021.05.746
基金项目: 

国家重点研发计划项目(2016YFB0501503)和国家自然科学基金项目(41574181)共同资助

详细信息
    作者简介:

    李维新,E-mail:weixinlee@pku.edu.cn

  • 中图分类号: P353

Ionosphere Responses to Geomagnetic Storms at Middle to Low Latitude Region in Different Seasons

  • 摘要: 利用中国中低纬台站漠河(53.5°N,122.3°E)、北京(40.3°N,116.2°E)、武汉(30.5°N,114.2°E)和三亚(18.3°N,109.6°E)的电离层观测数据,对比分析了4个台站电离层参数在2015年不同季节4个地磁扰动事件期间的变化特征.结果表明,4个磁暴事件期间电离层的响应特征并不完全一致,有着明显的季节特征,春季、夏季和秋季电离层以负相扰动为主,冬季以正相扰动为主.分析发现,中性成分O/N2的降低与电离层负相扰动有关,但三亚地区的负相扰动还与扰动发电机电场相关.正相扰动的机制在不同事件中并不相同,穿透电场可能是引起春季磁暴事件期间电离层短时正暴效应的原因,而冬季长时间的正暴效应则是扰动电场和中性风共同作用的结果.

     

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出版历程
  • 收稿日期:  2020-04-20
  • 修回日期:  2020-06-23
  • 刊出日期:  2021-09-15

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