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磁层源赤道电急流的模式研究
Alternative TitleA MODEL STUDY OF THE EQUATORIAL ELECTROJET CAUSED BY MAGNETOSPHERIC SOURCE
资民筠; 严明; 沈长寿; 北京8701信箱
Department空间天气学国家重点实验室
Source Publication地球物理学报
1989
Volume32Issue:5Pages:489-500
ISSN0001-5733
Language中文
Keyword磁层-电离层耦合 赤道电急流 电位分布 驱动势 粒子沉降 极盖区边界
Abstract本文用数值计算方法对极盖区边界变化、其上驱动电势突然增减以及粒子沉降边界随时间变化等情况下,中低纬电离层电位分布及赤道电急流变化进行了研究。结果表明,赤道电急流明显地受到磁层-电离层电动耦合的影响。在白天到午夜的大部分时间内,当驱动势增强和扰动源向低纬扩展时,产生扰时附加东向赤道电急流;反之,有较强的磁层源西向电急流。计算结果解释了观测的主要现象,也表明观测结果的复杂性可能与过程不同阶段上电急流位相变化有关。
Other AbstractSenior-Blanc model for magnetosphere-ionosphere coupling is expanded for the condition involving the variation of the boundary of the polar cap and of the particle precipitation. A calculation method is developed to study the potential distribution at middle and low latitudes and the equatorial electrojet when the boundaries or the driving potential change abruptly. The results indicate significant effect of the magnetosphere-ionosphere coupling on the equatorial electrojet. It shows that from early morning...
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/122/1152
Collection空间科学部
Corresponding Author北京8701信箱
Recommended Citation
GB/T 7714
资民筠,严明,沈长寿,等. 磁层源赤道电急流的模式研究[J]. 地球物理学报,1989,32(5):489-500.
APA 资民筠,严明,沈长寿,&北京8701信箱.(1989).磁层源赤道电急流的模式研究.地球物理学报,32(5),489-500.
MLA 资民筠,et al."磁层源赤道电急流的模式研究".地球物理学报 32.5(1989):489-500.
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