| 宁蒗6．2级地震前丽江井水位异常特征 |
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| 引用本文： | 和国文.宁蒗6．2级地震前丽江井水位异常特征[J].四川地震,2001,1(1):36-38. |
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| 作者姓名： | 和国文 |
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| 作者单位： | 丽江地区地震局, |
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| 摘 要： | 1998年11月19日宁蒗发生6．2级地震前，丽江井水位在长中短期、临震阶段出现了较明显的异常。异常的阶段性明显，并随地震的临近其幅度和种类方面逐渐增加。出现了自有观测以来下降幅度和上升幅度最大的破年变异常。短临异常主要表现为突降、固体潮畸变、锯齿波、毛刺、脉冲等。
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| 关 键 词： | 承压含水层 抽水井 地下水动态 地下水位异常 |
| 文章编号： | 1001-8115(2001)01-0036-03 |
| 修稿时间： | 2000年7月31日 |
Anomaly characteristics of
well level in Lijiang before M6.2 Ninglan Earthquake on 19 Nov. 1998 |
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| HE Guo-wen.Anomaly characteristics of
well level in Lijiang before M6.2 Ninglan Earthquake on 19 Nov. 1998[J].Earthquake Research in Sichuan,2001,1(1):36-38. |
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| Authors: | HE Guo-wen |
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| Abstract: | There were long term, middle term, short term and impending earthquake anomalies of deep well level in Lijiang before M6.2 Ninglan Earthquake on 19 November 1998. These anomalies include distorted changes of recording curve of solid tide, segmental changes of amplitude. Most sudden changes are beyond the change limitation formed according to the situation of that before. |
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| Keywords: | artesian aquifer pumping well groundwater regime groundwater level anomaly |
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