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Prediction of the geomagnetic disturbances in high-latitude region with Weimer model
Alternative TitleWOS:000537729300005;20202408833383;基于Weimer模型的高纬地磁扰动预测
Li Mu1; He Fei2; Lin RuiLin3; Zhang XiaoXin1
Source PublicationCHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION
2020
Volume63Issue:6Pages:2159-2169
DOI10.6038/cjg2020N0379
ISSN0001-5733
Language中文
KeywordGeomagnetic storm Solar wind Geomagnetic disturbance Weimer model Prediction EMPIRICAL-MODEL
AbstractGeomagnetic disturbance is an important space weather phenomenon and has great impacts on ground-based technical systems. Accurate prediction of the geomagnetic disturbances can effectively prevent and mitigate major disasters. Based on the Weimer electric potential and magnetic potential model, this paper developed a method to predict the geomagnetic disturbances in high-latitude regions, and the simulation results are compared with observations from the ground-based stations. The geomagnetic disturbances on the ground are mainly induced by the ionospheric current system, which is modeled with the Weimer model. Then the three components of the geomagnetic disturbances are calculated using the Biot-Savart Law. The input parameters of the model are upstream solar wind speed, solar wind number density, interplanetary magnetic field and dipole tilt angle. Comparisons between the simulations and the observations at different latitudes and longitudes indicate that the method proposed in this paper can effectively predict the geomagnetic disturbances during geomagnetic storms. The results in this paper provide important basis for future development of a comprehensive prediction model for the geomagnetic disturbances in high-latitude regions.
Indexed BySCI ; EI ; CSCD
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Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/7741
Collection中国科学院国家空间科学中心
Affiliation1.Yunnan Univ, Sch Resource Environm & Earth Sci, Kunming 650091, Yunnan, Peoples R China
2.China Meteorol Adm, Key Lab Space Weather, Natl Ctr Space Weather, Beijing 100081, Peoples R China
3.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Earth & Planetary Phys, Beijing 100029, Peoples R China
4.Chinese Acad Sci, Natl Space Sci Ctr, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Li Mu,He Fei,Lin RuiLin,et al. Prediction of the geomagnetic disturbances in high-latitude region with Weimer model[J]. CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION,2020,63(6):2159-2169.
APA Li Mu,He Fei,Lin RuiLin,&Zhang XiaoXin.(2020).Prediction of the geomagnetic disturbances in high-latitude region with Weimer model.CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION,63(6),2159-2169.
MLA Li Mu,et al."Prediction of the geomagnetic disturbances in high-latitude region with Weimer model".CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION 63.6(2020):2159-2169.
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