| Computation and analysis Computation and analysis of the geomagnetic field model in China and its adjacent area for 2003 |
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| 作者姓名： | 顾左文 安振昌 高金田 詹志佳 姚同起 韩炜 陈斌 |
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| 作者单位： | Institute of Geophysics China Earthquake Administration，Beijing 100081 China，Institute of Geophysics China Earthquake Administration，Beijing 100081 China Institute of Geology and Geophysics Chinese Academy of Sciences Beijing 100029 China，Institute of Geophysics China Earthquake Administration，Beijing 100081 China，Institute of Geophysics China Earthquake Administration，Beijing 100081 China，Institute of Geophysics China Earthquake Administration，Beijing 100081 China，Institute of Geophysics China Earthquake Administration，Beijing 100081 China，Institute of Geophysics China Earthquake Administration，Beijing 100081 China |
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| 基金项目： | Special Public Welfare Subject (2001DIA10002/2002DIB10043) supported by the Ministry of Sciences and Tech-nlogy of China and Key Project ″Compilation of China Geomagnetic Charts (2005)″ supported by the China Earthquake Administration. Contribution No.06FE3013, Institute of Geophysics, China Earthquake Administration. |
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| 摘 要： |
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Computation and analysis Computation and analysis of the geomagnetic field model in China and its adjacent area for 2003 |
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| GU Zuo-wen,AN Zhen-chang, GAO Jin-tian ZHAN Zhi-jia YAO Tong-qi HAN Wei CHEN Bin Institute of Geophysics,China Earthquake Administration,Beijing ,China Institute of Geology and Geophysics,Chinese Academy of Sciences,Beijing ,China.Computation and analysis Computation and analysis of the geomagnetic field model in China and its adjacent area for 2003[J].Acta Seismologica Sinica(English Edition),2006(2). |
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| Authors: | GU Zuo-wen AN Zhen-chang GAO Jin-tian ZHAN Zhi-jia YAO Tong-qi HAN Wei CHEN Bin Institute of Geophysics China Earthquake Administration Beijing China Institute of Geology and Geophysics Chinese Academy of Sciences Beijing China |
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| Institution: | GU Zuo-wen1),AN Zhen-chang1,2) GAO Jin-tian1) ZHAN Zhi-jia1) YAO Tong-qi1) HAN Wei1) CHEN Bin1) 1) Institute of Geophysics,China Earthquake Administration,Beijing 100081,China 2) Institute of Geology and Geophysics,Chinese Academy of Sciences,Beijing 100029,China |
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| Abstract: | Based on the geomagnetic data at 135 stations and 35 observatories in China in 2003, the Taylor polynomial model and the spherical cap harmonic model in China and its adjacent area for 2003 were established. In the model cal- culation, the truncation order of the model and the influences of the boundary restriction on the model calculation were carefully analyzed. The results show that the geomagnetic data used are precise and reliable, and the selection of the truncation order is reasonable. The Taylor polynomial model and the spherical cap harmonic model in China and its adjacent area established in this paper are consistent very well. |
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| Keywords: | geomagnetic field model calculation Taylor polynomial model spherical cap harmonic model |
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