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磁层亚暴与磁层暴(Ⅱ):太阳风参数对D_(st)的影响机制研究
Alternative TitleMAGNETOSPHERIC STORM AND SUBSTORMS (Ⅱ): THE MECHANISM OF THE EFFECT OF THE SOLAR-WIND PARAMETERS ON D_(st)
马振国; 刘振兴; 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
1999
Volume42Issue:S1Pages:7-12
ISSN0001-5733
Language中文
Keyword太阳风 亚暴磁暴 地磁活动 网络 模拟
Abstract为了研究地磁活动指数D_(st)受太阳风参数影响,包括行星际磁场(IMF)南向分量B_(st)、太阳风速度V_(?)和太阳风-磁层发电机电动势U调制的机制,应用太阳风-磁层-电离层输入-输出[I(t)-O(t)]电网络模型,对磁层亚暴与磁层暴过程中,B_z(t)-D_(st)、V-a(t)-D_(st)和U(t)—D_(st)的激励-响应特性进行模拟。研究表明,B_z是形成亚暴与磁层暴的前提条件,V_(st)是形成亚暴与磁层暴的充分条件,二者统一于电动势U_(st)研究结果与观测结果一致。
Other AbstractIn order to study the modulating mechanism of the Dst index versus solar wind parameters, including the intherplanetary magnetic field (IMF), Bz, the solas wind speed, Vs, and the electromotive fore (EMF), U, we simulate the input-output characteristics of Bz-Dst,Vs-Dst,U-Dst with the input-output network model of the system of solar wind-magnetosphere-ionosphere. The model predicts that Bz is the preroquisite for substorms and storm, and Vs, is the additional condition for them. Bz and Vs, are integrated to EMF,C' (t).The results are well-accordant with the observed results.
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/122/1181
Collection空间科学部
Corresponding Author北京8701信箱
Recommended Citation
GB/T 7714
马振国,刘振兴,北京8701信箱. 磁层亚暴与磁层暴(Ⅱ):太阳风参数对D_(st)的影响机制研究[J]. 地球物理学报,1999,42(S1):7-12.
APA 马振国,刘振兴,&北京8701信箱.(1999).磁层亚暴与磁层暴(Ⅱ):太阳风参数对D_(st)的影响机制研究.地球物理学报,42(S1),7-12.
MLA 马振国,et al."磁层亚暴与磁层暴(Ⅱ):太阳风参数对D_(st)的影响机制研究".地球物理学报 42.S1(1999):7-12.
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