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ICME期间磁暴的太阳风参数和极光沉降能量

李祥雨 牛超 徐步云 康志谦 刘代志

李祥雨, 牛超, 徐步云, 康志谦, 刘代志. ICME期间磁暴的太阳风参数和极光沉降能量[J]. 空间科学学报, 2019, 39(3): 310-315. doi: 10.11728/cjss2019.03.310
引用本文: 李祥雨, 牛超, 徐步云, 康志谦, 刘代志. ICME期间磁暴的太阳风参数和极光沉降能量[J]. 空间科学学报, 2019, 39(3): 310-315. doi: 10.11728/cjss2019.03.310
LI Xiangyu, NIU Chao, XU Buyun, KANG Zhiqian, LIU Daizhi. Solar Wind Parameters and Auroral Hemispheric Power of Magnetic Storm during ICME[J]. Journal of Space Science, 2019, 39(3): 310-315. doi: 10.11728/cjss2019.03.310
Citation: LI Xiangyu, NIU Chao, XU Buyun, KANG Zhiqian, LIU Daizhi. Solar Wind Parameters and Auroral Hemispheric Power of Magnetic Storm during ICME[J]. Journal of Space Science, 2019, 39(3): 310-315. doi: 10.11728/cjss2019.03.310

ICME期间磁暴的太阳风参数和极光沉降能量

doi: 10.11728/cjss2019.03.310
基金项目: 

国家自然科学基金项目资助(4177040507)

详细信息
    作者简介:

    李祥雨,E-mail:sin1994079@aliyun.com

  • 中图分类号: P353

Solar Wind Parameters and Auroral Hemispheric Power of Magnetic Storm during ICME

  • 摘要: 基于1995-2004年ICME驱动的强烈磁暴(SA型)、强磁暴(SB型)和延迟型主相暴(SC型)三种磁暴类型,对1AU处太阳风动压、太阳风速度、行星际磁场、EK-L电场以及极光沉降能量进行时序叠加分析,并分别与-vBz耦合函数和Newell耦合函数进行对比.结果表明,三种磁暴在ICME到达前期的太阳风动压较稳定,背景太阳风、极光沉降能量、行星际磁场和磁层存在相对平静期.ICME到达前期SA型磁暴的背景太阳风速度、行星际磁场南向分量以及极光沉降能量的均值高于另外两种磁暴类型,这说明大型日冕物质抛射在ICME到达前就对行星际磁场、背景太阳风和HP产生了影响.磁暴急始后,SC型磁暴的EK-L电场斜率小,峰值延后且行星际磁场北向分量增强,这些都是磁暴主相延迟的表现,极光沉降能量随着行星际磁场转为南向而增加.

     

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出版历程
  • 收稿日期:  2018-04-20
  • 修回日期:  2018-12-11
  • 刊出日期:  2019-05-15

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