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Numerical study of successive CMEs during November 4-5, 1998
Zhou, Y. F.; Feng, X. S.; 北京8701信箱
Source PublicationScience in China Series E-Technological Sciences
KeywordComplex Ejecta Three-dimensional Mhd Simulation Sip-cese Mhd Model Coronal Mass Ejections Multiple Magnetic Clouds Space Weather Event Mhd Simulation Solar-wind Interplanetary Propagation Geomagnetic Storms Shock Sun Heliosphere
AbstractWe present the solar-terrestrial transit process of three successive coronal mass ejections (CMEs) of November 4-5, 1998 originating from active region 8375 by using a time-dependent three-dimensional magnetohydrodynamics (MHD) simulation. These CMEs interacted with each other while they were propagating in interplanetary space and finally formed a "complex ejecta". A newly developed SIP-CESE MHD model was applied to solve MHD equations numerically. The quiet solar wind was started from Parker-like 1D solar wind solution and the magnetic field map was calculated from the solar photospheric magnetic field data. In our simulation, the ejections were initiated using pulse in the real active region 8375. The interplanetary disturbance parameters, such as speed, direction and angular size of the expanding CME, were determined from the SOHO/LASCO data with the cone-model. We discussed the three-dimensional aspects of the propagation, interaction and merging of the three ejections. The simulated interplanetary shocks were compared with the nearby-Earth measurement. The results showed that our simulation could reproduce and explain some of the general features observed by satellite for the "complex ejecta".
Indexed BySCI
Funding Project中国科学院空间科学与应用研究中心
Document Type期刊论文
Corresponding Author北京8701信箱
Recommended Citation
GB/T 7714
Zhou, Y. F.,Feng, X. S.,北京8701信箱. Numerical study of successive CMEs during November 4-5, 1998[J]. Science in China Series E-Technological Sciences,2008,51(10):1600-1610.
APA Zhou, Y. F.,Feng, X. S.,&北京8701信箱.(2008).Numerical study of successive CMEs during November 4-5, 1998.Science in China Series E-Technological Sciences,51(10),1600-1610.
MLA Zhou, Y. F.,et al."Numerical study of successive CMEs during November 4-5, 1998".Science in China Series E-Technological Sciences 51.10(2008):1600-1610.
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