Computation and analysis Computation and analysis of the geomagnetic field model in China and its adjacent area for 2003

被引:2
作者
顾左文 [1 ]
安振昌 [2 ]
高金田 [1 ]
詹志佳 [1 ]
姚同起 [1 ]
韩炜 [1 ]
陈斌 [1 ]
机构
[1] Institute of Geophysics, China Earthquake Administration,Beijing 100081, China
[2] Institute of Geophysics, China Earthquake Administration,Beijing 100081, China Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, China
关键词
geomagnetic field; model calculation; Taylor polynomial model; spherical cap harmonic model;
D O I
暂无
中图分类号
P315.721 [];
学科分类号
070801 ;
摘要
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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页码:145 / 154 +233
页数:11
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