| 北京国家地球观象台地磁场长期变化特征分析 |
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| 引用本文： | 张秀玲,范晓勇,周江林,龚正. 北京国家地球观象台地磁场长期变化特征分析[J]. 防灾减灾学报, 2016, 0(1): 27-31. DOI: 10.13693/j.cnki.cn21-1573.2016.01.005 |
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| 作者姓名： | 张秀玲 范晓勇 周江林 龚正 |
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| 作者单位： | 中国地震局地球物理研究所 北京国家地球观象台,北京,100095 |
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| 摘 要： | 利用北京国家地球观象台1957—2013年的地磁连续观测资料,对北京地磁场七个分量的均值和年变率进行分析,总结出地磁场七个要素不同的变化特征。此项工作对了解和应用北京地震台地磁的资料有一定的意义。
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| 关 键 词： | 北京地磁场 长期变化 年均值 年变率 |
ANALISYS OF GEOMAGNETIC SECULAR VARIATION IN BEIJING NATIONAL EARTH OBSERVATION |
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| Abstract: | According to the geomagnetic data recorded by Beijing National Earth observatory from 1957 to 2013, the annual mean and annual rate were analyzed, meanwhile, the changing characteristics of seven secular variations component of Beijing geomagnetic field were summarized. The results can provide valuable insight into the understanding and application of geomagnetic data measured by Beijing National observatory. |
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| Keywords: | Beijing geomagnetic field geomagnetic secular variation annual mean annual rate |
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