| 利用第七代IGRF计算1995.0年中国及邻区地磁场 |
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| 引用本文： | 安振昌.利用第七代IGRF计算1995.0年中国及邻区地磁场[J].地球物理学进展,1997,12(3):22-26. |
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| 作者姓名： | 安振昌 |
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| 作者单位： | 中国科学院地球物理研究所!北京，100101 |
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| 摘 要： | 本文介绍了第七代国际地磁参考场，利用ＩＧＲＦ１９９５计划并绘制１９９５．０年中国及邻区地磁图，考虑了地球扁率对计算结果的影响。
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| 关 键 词： | 国际地磁参考场 长期变化 中国 地磁场 磁场变化 |
GEOMAGNETIC FIELD OVER CHINA AND ADJACENT AREAS AT EPOCH 1995.0 DERIVED FROM THE SEVENTH GENERATION IGRF |
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| An Zhenchang.GEOMAGNETIC FIELD OVER CHINA AND ADJACENT AREAS AT EPOCH 1995.0 DERIVED FROM THE SEVENTH GENERATION IGRF[J].Progress in Geophysics,1997,12(3):22-26. |
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| Authors: | An Zhenchang |
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| Abstract: | In this paper, the seventh generation IGRF was introduced.Based on the IGRF1995, the grid values were calculated, the geomagnetic charts were drawn for the everygeomagnetic component(D, I, H, F, X, Y, Z) over China and adjacent areas at epoch1995.0. The ellipticity of the Earth was accounted, the effect of ellipticity was computedand analysed. |
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| Keywords: | International Geomagnetic Reference Field Main geomagnetic field Secular variation China |
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