| 2006～2010年云南东部地区磁偏角变化特征 |
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| 引用本文： | 倪喆,李春光,陈斌,袁洁浩,狄传芝.2006～2010年云南东部地区磁偏角变化特征[J].地震研究,2011,34(1):30-34. |
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| 作者姓名： | 倪喆 李春光 陈斌 袁洁浩 狄传芝 |
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| 作者单位： | 倪喆,NI Zhe(北京大学地球与空间科学学院,北京,100871;云南省地震局,昆明,650224);李春光,LI Chun-guang(云南省地震局,昆明,650224);陈斌,袁洁浩,狄传芝,CHEN Bin,YUAN Jie-hao,DI Chuan-zhi(中国地震局地球物理研究所,北京,100081) |
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| 基金项目： | 地震与构造活动重点监视区地磁基本动态场模型研究 |
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| 摘 要： | 利用2006～2010年云南东部地区9期地磁三分量观测资料,经过日变改正、长期变化改正消除地磁场的日变化及长期变化影响,计算各期地磁内源场的曲面样条模型并剥离出地磁异常场分布,求解相邻两期地磁异常场差异获取地磁异常场的变化,并对磁异常场中磁偏角分布的变化进行了描述.
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| 关 键 词： | 曲面样条模型 磁偏角异常 云南东部地区 |
Variation of Geomagnetic Declination in East Yunnan from 2006 to 2010 |
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| NI Zhe,LI Chun-guang,CHEN Bin,YUAN Jie-hao,DI Chuan-zhi.Variation of Geomagnetic Declination in East Yunnan from 2006 to 2010[J].Journal of Seismological Research,2011,34(1):30-34. |
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| Authors: | NI Zhe LI Chun-guang CHEN Bin YUAN Jie-hao DI Chuan-zhi |
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| Institution: | NI Zhe1,2,LI Chun-guang2,CHEN Bin3,YUAN Jie-hao3,DI Chuan-zhi3(1.School of Earth and Space Sciences,Peking University,Beijing 100871,China)(2.Earthquake Administration of Yunnan Province,Kunming 650224,Yunnan,China)(3.Institute of Geophysics,CEA,Beijing 100081,China) |
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| Abstract: | Using nine-term of three-component geomagnetic data observed in the eastern area of Yunnan Province from 2006 to 2010,we eliminate the effects of the diurnal variation and the secular variation of the geomagnetic field through correction,calculate each term's surface spline model of the interior geomagnetic field,separate the distribution of the geomagnetic anomalous field,and get the differences between two successive terms of the geomagnetic anomalous field and acquire the variation of the geomagnetic ano... |
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| Keywords: | surface spline model anomaly of geomagnetic declination east Yunnan |
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