| 汶川地震前泰安台摆式倾斜仪异常现象分析 |
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| 引用本文： | 卢双苓,王强,林秀娜,于庆民,郝军丽,钟普浴,张明.汶川地震前泰安台摆式倾斜仪异常现象分析[J].大地测量与地球动力学,2011,31(Z1):19-23. |
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| 作者姓名： | 卢双苓 王强 林秀娜 于庆民 郝军丽 钟普浴 张明 |
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| 作者单位： | 泰安基准地震台;长清地震台;山东省地震局; |
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| 基金项目： | 中国地震局“三结合”课题(SD2010SJH02) |
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| 摘 要： | 对泰安台水平摆和垂直摆倾斜仪长期观测资料进行了分析,通过对M2波潮汐因子变化和矢量图进动轨迹的分析发现,汶川地震前存在异常现象.
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| 关 键 词： | 泰安地震台 水平摆 垂直摆 潮汐因子 矢量图异常 |
ANALYSIS OF ANOMALIES ABOUT PENDULUM TILTMETER AT TAIAN SEISMOSTATION BEFORE WENCHUAN EARTHQUAKE |
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| Lu Shuangling,Wang Qiang,Lin Xiuna,Yu Qingmin,Hao Junli,Zhong Puy,Zhang Ming.ANALYSIS OF ANOMALIES ABOUT PENDULUM TILTMETER AT TAIAN SEISMOSTATION BEFORE WENCHUAN EARTHQUAKE[J].Journal of Geodesy and Geodynamics,2011,31(Z1):19-23. |
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| Authors: | Lu Shuangling Wang Qiang Lin Xiuna Yu Qingmin Hao Junli Zhong Puy Zhang Ming |
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| Institution: | Lu Shuangling{1)},Wang Qiang{1)},Lin Xiuna{1)},Yu Qingmin{1)},Hao Junli{2)},Zhong Puy{3)} and Zhang Ming{1)}1)Taian Seismostation,Taian 2710002)Changqing Seismostation,Jinan 2503003)Earthquake Administration of Shandong Province,Jinan 250014 |
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| Abstract: | The long-term data observed with horizontal pendulum tiltmeter and vertical pendulum tiltmeter in Taian station were analysed.A certain abnormal precursor abnormal phenomenon before Wenchuan Earthquake is discovered by the analysis of M2 wave tide factor variation and the precessional trace of the vector graph of the tiltmeter. |
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| Keywords: | Taian seismostation horizontal pendulum vertical pendulum tide factor vectorgraph abnormity |
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