| 东亚磁异常及其对中国东北地区地磁场的影响 |
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| 引用本文： | 曾小苹,董玉兰.东亚磁异常及其对中国东北地区地磁场的影响[J].地震地磁观测与研究,1994,15(1):55-61. |
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| 作者姓名： | 曾小苹 董玉兰 |
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| 作者单位： | 国家地震局地球物理研究所，辽宁省地震局，吉林省地震局 |
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| 摘 要： | 利用东亚及邻区４９个地磁台１９７０－１９７９年、Ｈ、Ｚ的实测年均值，逐年计算、缓制了蒙古异常的地磁非偶极场等值图，给出了蒙古异常非偶极场Ｚｎ分量的焦点位置和强度变化及其对中国东北地区地磁场的影响量级，计算表明蒙古异常的年变化是该区地磁场年变化的主要成份。
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| 关 键 词： | 磁异常 非偶极场 地磁场 长期变化 |
Magnetic anomaly in East Asia and its effect on thegeomagnetic fields at the northeast region in China |
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| Zeng Xiaoping, Lin Yunfang,Dong Yulan, Guo Qihua,Zhong Guoying,Yu Mingxin,Hou Dongxiang,and Guo Shulin Institute of Geophysics,State Seismological Bureau,Beijing,China Seislnological Bureau of Liaoning Province,Shenyang,ChinaSeis.Magnetic anomaly in East Asia and its effect on thegeomagnetic fields at the northeast region in China[J].Seismological and Geomagnetic Observation and Research,1994,15(1):55-61. |
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| Authors: | Zeng Xiaoping Lin Yunfang Dong Yulan Guo Qihua Zhong Guoying Yu Mingxin Hou Dongxiang and Guo Shulin Institute of Geophysics State Seismological Bureau Beijing China Seislnological Bureau of Liaoning Province Shenyang ChinaSeis |
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| Institution: | Zeng Xiaoping, Lin Yunfang,Dong Yulan, Guo Qihua,Zhong Guoying,Yu Mingxin,Hou Dongxiang,and Guo Shulin1) Institute of Geophysics,State Seismological Bureau,Beijing,100081,China2) Seislnological Bureau of Liaoning Province,Shenyang,110031,China3)Seis |
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| Abstract: | |
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| Keywords: | magnetic anomaly in East Asia geomagnetic non-dipole field secular variation of magnetic field |
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