| 常熟—太仓5.1级地震水化前兆 |
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| 引用本文： | 徐玉华,唐振芳,沈永兴,宋峰,王志强,唐子培.常熟—太仓5.1级地震水化前兆[J].防灾减灾工程学报,1990(4). |
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| 作者姓名： | 徐玉华 唐振芳 沈永兴 宋峰 王志强 唐子培 |
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| 作者单位： | 江苏省地震局，江苏省地震局，江苏省地震局，江苏省地震局，江苏省地震局，江苏省地震局 |
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| 摘 要： | 常熟—太仓5.1级地震.发生在地震水化井网密布地区,震中周围300km范围内(海域除外)的水化观测井泉共约30个,其中有8个测点先后出现了中短期异常。异常项目有R_n、T(水温)和Cl~-等。本文介绍了根据区域水氡平均年离散度变化所作的中期预测,研究了各项异常特征及其与地震三要素之间的关系。
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HYDROGEOCHMICAL PRECURSORS ABOUT OF THE CHANGSHU-TAICANG EARTHQUAKE OF 5.1(Ms) |
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| Abstract: | The Changshu-Taicang 5.1 (Ms) earthquake occurred in the area where the observa- tion wells of ground water chemistry are set up densely. There are about 30 wells or springs in the range of 300 km around seismic center (except for the sea area). Eight ob- servation wells of them show medium-short term anomaly befor the earthquake occurred.Anomalous items are Rn,T (temperature), Cl~- and etc. The medium term predic- tion, carried out by the year mean variation of dispersion of radon content in groundwater in this area, is introduced in this paper. The characteristics of every term anomaly and its relations to the three elements of an earthquake are studied also. |
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