| 井水位长周期事件记录及其机理的讨论 |
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| 引用本文： | 张淑亮,范雪芳.井水位长周期事件记录及其机理的讨论[J].地震,2003,23(4):85-90. |
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| 作者姓名： | 张淑亮 范雪芳 |
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| 作者单位： | 山西省地震局,山西,太原,030002 |
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| 摘 要： | 选择了几口具有代表性的观测井．并对这些井孔在强震前记录到长周期波现象的特征进行了分析。从理论上对地震前的长周期事件给出了较为合理的解释．认为地震前一些敏感井水位长周期事件可能反映了断层蠕动、静地震与慢地震、断裂的预扩展和地震成核等。井一含水层系统像一个长周期地震仪，它为记录到有价值的前兆低频波提供了最佳的频率响应范围。
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| 关 键 词： | 井水位 长周期地震波 震源成核 地震机理 |
| 文章编号： | 1000-3274(2003)04-0085-06 |
| 修稿时间： | 2002年10月16 |
Well-water level records of long period events and its mechanism |
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| ZNANG Shu liang,FAN Xue fang.Well-water level records of long period events and its mechanism[J].Earthquake,2003,23(4):85-90. |
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| Authors: | ZNANG Shu liang FAN Xue fang |
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| Abstract: | The characteristics of long period waves, recorded at several representative wells before large earthquakes, are analyzed. The reasonable explanation on these long period events occurred before earthquakes is given in theory. It is thought that the long period water level events, occurred at some sensitive wells before earthquakes, may be related to the process such as fault creeping, silent and slow earthquake, fault pre extending and seismic source nucleation. The system consisting of well and water layers behaves like a long period seismograph. The system responds very well to the valuable precursor low frequency waves. |
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| Keywords: | Water level of well Long period seismic wave Seismic source nucleation Mechanism discussion |
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