| 低纬Pc3地磁脉动的东西方向传播特性 |
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| 引用本文： | 杨少峰,杜爱民,宁学荣,陈宝生,肖福辉,洪福元.低纬Pc3地磁脉动的东西方向传播特性[J].地球物理学报,2000,43(2):213-222. |
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| 作者姓名： | 杨少峰 杜爱民 宁学荣 陈宝生 肖福辉 洪福元 |
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| 作者单位： | 中国科学院地质与地球物理研究所,北京100101 |
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| 基金项目： | 国家自然科学基金!49474237，国家科技部专项资助 |
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| 摘 要： | １９９６年１０月１０日至１１月２９日在地磁北纬２９．６°附近（Ｌ＝１．３）的喀什、安西和北京，沿东西方向建立了横跨４０．２°地理经度的地磁脉动观测台链．根据观测数据，分析研究了低纬Ｐｃ３脉动东西方向的传播特性和偏振特性．结论是上午以向西传播为主，下午以向东传播为主．白天偏振椭圆主轴方位方向以ＮＷ－ＳＥ为主，偏振方向以右旋为主．
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| 关 键 词： | 低纬 Pc3脉动 东西方向传播 |
PROPAGATION CHARACTERISTICS OF LOW-LATITUDE Pc3 PULSATIONS IN EAST-WEST DIRECTION |
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| YANG SHAO-FENG,DU AI-MIN,NING XUE-RONG,CHEN BAO-SHENG,XIAO FU-HUI,HONG FU-YUAN.PROPAGATION CHARACTERISTICS OF LOW-LATITUDE Pc3 PULSATIONS IN EAST-WEST DIRECTION[J].Chinese Journal of Geophysics,2000,43(2):213-222. |
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| Authors: | YANG SHAO-FENG DU AI-MIN NING XUE-RONG CHEN BAO-SHENG XIAO FU-HUI HONG FU-YUAN |
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| Institution: | Institute of Geology and Geophysics, Chinese Academy of Sciences,Beijing 100101, China |
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| Abstract: | An east-west chain of three stations was established in north china near geomagnetic latitude 29.6° （L = 1.3） within a geomagnetic longitude span of 40.2° from Oct. 10 to Nov. 29 in 1996. Propagation and polarization characteristics of low-latitude Pc3 pulsations were studied. It is concluded that the westward propagation of Pc3 pulsations is dominant in the morning and the eastward propagation is dominant in the afternoon. NW-SE of major axis azimuth and right-handed polarization are dominant in the daytime. |
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| Keywords: | low-latitude Pc3 pulsations East-west propagation |
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