Volume 39 Issue 3
May  2019
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Article Navigation >  Chinese Journal of Space Science  > 2019  >  39(3): 310-315
LI Xiangyu, NIU Chao, XU Buyun, KANG Zhiqian, LIU Daizhi. Solar Wind Parameters and Auroral Hemispheric Power of Magnetic Storm during ICME[J]. Chinese 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]. Chinese Journal of Space Science, 2019, 39(3): 310-315. doi: 10.11728/cjss2019.03.310
shu

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

doi: 10.11728/cjss2019.03.310

  • Rocket Force University of Engineering, Xi'an 710025

  • Received Date: 2018-04-20
  • Rev Recd Date: 2018-12-11
  • Publish Date: 2019-05-15
    Abstract
  • Based on three types of ICME-driven magnetic storms, including fierceness magnetic storm (SA type), strong magnetic storm (SB type) and delayed main phase storm (SC type) from 1995 to 2004, temporal superposition of the solar wind speed, the electric field EK-L, the interplanetary magnetic field and the auroral hemispheric power at the 1AU are conducted, and compared with the -vBz coupling function and the Newell coupling function respectively. The results show that there is a relative quiet period of the solar wind, auroral hemispheric power, interplanetary magnetic field and magnetic layer in the early stage of ICME arrival. However, the background solar wind speed, the southward component of the interplanetary magnetic field and the auroral hemispheric power of the SA magnetic storm are higher than those of the other two magnetic storm types. It indicates that the large coronal mass ejection has an effect on the interplanetary magnetic field, the background solar wind, and HP before the ICME arrives. After the rapid start of the magnetic storm, the low slope, delayed peak of the EK-L electric field of SC type magnetic storm and the northward component enhancement of the interplanetary magnetic field are the manifestations of the main phase delay of the magnetic storm.

     

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