| 与磁暴急始有关的瞬态地磁脉动 |
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| 引用本文： | 杨少峰,孙炜,徐宝连.与磁暴急始有关的瞬态地磁脉动[J].地球物理学报,1987,30(5):450-458. |
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| 作者姓名： | 杨少峰 孙炜 徐宝连 |
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| 作者单位： | 中国科学院地球物理研究所, 北京 |
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| 摘 要： | 我们根据北京怀柔地磁脉动观测站在1982年6月至1983年5月的观测记录,分析了这时期发生的急始型磁暴中伴随SSC发生的瞬态地磁脉动。这种脉动的形态和地方时有关,白天有明显的衰减振荡,晚上则近似为非振荡的湾状扰动。我们分析了这种瞬态地磁脉动的振幅、持续时间、功率谱和急始形态的关系,并结合目前国外卫星的探测结果对这种脉动的形成和传播路径作了讨论。
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| 关 键 词： | 瞬态地磁脉动 磁暴急始 Psc型脉动 类Psc型脉动 不规则瞬态地磁脉动 |
| 收稿时间： | 1986-07-11 |
TRANSIENT PULSATIONS ASSOCIATED WITH SSC |
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| YANG SHAO-FENG SUN WEI Xu BAOHLIAN.TRANSIENT PULSATIONS ASSOCIATED WITH SSC[J].Chinese Journal of Geophysics,1987,30(5):450-458. |
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| Authors: | YANG SHAO-FENG SUN WEI Xu BAOHLIAN |
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| Institution: | Institute of Geophysics, Acadernia Sinica, Beijing |
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| Abstract: | According to the records of pulsations at Huairou Observatory in Beijing from June 1982 to May 1983, we have analysed the transient pulsation events associated with SSC in sudden commencement storms. This kind of pulsation phenomena is associated with local time. There is a damped oscillation in daytime and a bay in H component at night. We have studied the relation of the amplitude, duration and power spectrum for the transient pulsations to the shape of SC and discussed the formation and propagation of this kind of pulsations by means of the recently observed result of satellites. |
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| Keywords: | Transient pulsation Sudden storm commencement Psc pulsation Quasi-Psc pulsation Irregular transient pulsation |
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