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Data-driven magnetohydrodynamic modelling of a flux-emerging active region leading to solar eruption
Jiang, Chaowei; Wu, S. T.; Feng, Xuesheng; Hu, Qiang; Jiang, CW
Department空间科学部
Source PublicationNATURE COMMUNICATIONS
2016
Volume7
ISSN2041-1723
Language英语
AbstractSolar eruptions are well-recognized as major drivers of space weather but what causes them remains an open question. Here we show how an eruption is initiated in a non-potential magnetic flux-emerging region using magnetohydrodynamic modelling driven directly by solar magnetograms. Our model simulates the coronal magnetic field following a long-duration quasi-static evolution to its fast eruption. The field morphology resembles a set of extreme ultraviolet images for the whole process. Study of the magnetic field suggests that in this event, the key transition from the pre-eruptive to eruptive state is due to the establishment of a positive feedback between the upward expansion of internal stressed magnetic arcades of new emergence and an external magnetic reconnection which triggers the eruption. Such a nearly realistic simulation of a solar eruption from origin to onset can provide important insight into its cause, and also has the potential for improving space weather modelling.
Indexed BySCI
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/5439
Collection空间科学部
Corresponding AuthorJiang, CW
Recommended Citation
GB/T 7714
Jiang, Chaowei,Wu, S. T.,Feng, Xuesheng,et al. Data-driven magnetohydrodynamic modelling of a flux-emerging active region leading to solar eruption[J]. NATURE COMMUNICATIONS,2016,7.
APA Jiang, Chaowei,Wu, S. T.,Feng, Xuesheng,Hu, Qiang,&Jiang, CW.(2016).Data-driven magnetohydrodynamic modelling of a flux-emerging active region leading to solar eruption.NATURE COMMUNICATIONS,7.
MLA Jiang, Chaowei,et al."Data-driven magnetohydrodynamic modelling of a flux-emerging active region leading to solar eruption".NATURE COMMUNICATIONS 7(2016).
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