摘要
给出了1991年6月地磁扰动的地面和同步高度特征及引起这些扰动的可能的源.在长达近对天的扰动过程中，出现四次主相强度不同的磁暴和多次强急始，有的磁暴由多次扰动迭加而形成形态复杂的复合型磁暴·同步高度Hq分量多次出现反相.这些特征很可能主要是对广大的行星际空间多个高速度高密度结构的响应，这些结构有时伴随大尺度强南向磁场分量.
The charaderistics on the ground and at the geosynchronous altitude of the June l99l geomagnetic disturbance were described and the possible sources were analyzed . During this disturbance which lasted nearly 2O days, four geomagnetic storme with different intensity on main phases occurred as well as several strong sudden commencements. Some storms appeared to be the superposition of a few disturbanas and so were complex in shapes. At the geosynchronous altitude, reverse phase occurred many times on Hp component. All these phenomina might have mainly been the responces of the magnetosphere to the multiple high-velcity and high-intensity structures in the interplanetary space, Which at times assodatad with large-scaled strong southward IMF.
出处
《空间科学学报》
CAS
CSCD
北大核心
1997年第1期64-69,共6页
Chinese Journal of Space Science
基金
国家自然科学基金
关键词
地磁扰动
耀斑
行星际空间
Geomagnetic disturbance, Solar flare, Interplanetary space
