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Comparison of equivalent current systems for the substorm event of 8 March 2008 derived from the global PPMLR-MHD model and the KRM algorithm
Wang, C.; Zhang, J. J.; Tang, B. B.; Fu, S. Y.; Wang, C (reprint author), Chinese Acad Sci, State Key Lab Space Weather, Ctr Space Sci & Appl Res, 1 NanErTiao,POB 8701, Beijing 100190, Peoples R China.
Department空间科学部
Source PublicationJOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS
2011
Volume116Pages:A07207
ISSN0148-0227
Language英语
AbstractGeomagnetic perturbation is an important aspect to determine the capability of a 3-D MHD model in predicting space weather. Taking the substorm event of 8 March 2008 as an example, we compare the equivalent current systems (ECS) in the ionosphere derived from the global PPMLR-MHD simulation model and the ground-based magnetic field observations using the KRM inversion algorithm. The evolution of ECS is utilized to give a global view of the temporal and spatial development of the magnetic fields on the ground. The PPMLR-MHD model has generally reproduced the main characters of the large-scale magnetic field variation on the ground. The magnetic latitude and local time distribution of the ECS is in reasonably agreement with the inversion results during the disturbed period. We hopefully consider the ECS to be a promising numerical forecast product of the global geomagnetic variation from an global 3-D MHD model in the future.; Geomagnetic perturbation is an important aspect to determine the capability of a 3-D MHD model in predicting space weather. Taking the substorm event of 8 March 2008 as an example, we compare the equivalent current systems (ECS) in the ionosphere derived from the global PPMLR-MHD simulation model and the ground-based magnetic field observations using the KRM inversion algorithm. The evolution of ECS is utilized to give a global view of the temporal and spatial development of the magnetic fields on the ground. The PPMLR-MHD model has generally reproduced the main characters of the large-scale magnetic field variation on the ground. The magnetic latitude and local time distribution of the ECS is in reasonably agreement with the inversion results during the disturbed period. We hopefully consider the ECS to be a promising numerical forecast product of the global geomagnetic variation from an global 3-D MHD model in the future.
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
Identifierhttp://ir.nssc.ac.cn/handle/122/3141
Collection空间科学部
Corresponding AuthorWang, C (reprint author), Chinese Acad Sci, State Key Lab Space Weather, Ctr Space Sci & Appl Res, 1 NanErTiao,POB 8701, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Wang, C.,Zhang, J. J.,Tang, B. B.,et al. Comparison of equivalent current systems for the substorm event of 8 March 2008 derived from the global PPMLR-MHD model and the KRM algorithm[J]. JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,2011,116:A07207.
APA Wang, C.,Zhang, J. J.,Tang, B. B.,Fu, S. Y.,&Wang, C .(2011).Comparison of equivalent current systems for the substorm event of 8 March 2008 derived from the global PPMLR-MHD model and the KRM algorithm.JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,116,A07207.
MLA Wang, C.,et al."Comparison of equivalent current systems for the substorm event of 8 March 2008 derived from the global PPMLR-MHD model and the KRM algorithm".JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 116(2011):A07207.
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