塔院井水位微动态前兆异常信息的识别与分析
THE RECOGNITION AND ANALYSIS OF PREMONITORY ANOMALOUS INFORMATION IN MICRO-DYNAMIC VARIATION OF WATER TABLE IN TAYUAN WELL
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摘要: 本文通过对塔院井1984年7月-1985年6月水位微动态资料的系统处理,捕捉到88个微动态异常。在此基础上,分析了这些异常和同期大华北地区的地震活动的关系。结果表明,塔院井水位微动态在多数ML≥4级地震前有异常反映,尤其在山西地震带的地震活动前反映较明显。因此,塔院井水位微动态分析有可能作为监测该带地震活动的重要途径之一。Abstract: 88 micro-dynamic anomaies have been found Out by systematic treatment of micro-dynamic data of water table in Tayasn well from July of 1984 to lun of 1985.Based On this, the relationship between these anomalies and seismicity in North China at the same time has been analysed.The results have shown that the microdynamic variation of waier table in Tayuan well showed anomalies before most of M > 4 earthquakes, especially it showed obvious anomalies before the seismicity in Shanxi seismic zone.So the micro-dynamic variation of water table in Tayuan well can be taken as an important way for monitorinp: the seismicity in the seismic zone.
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[1] 车用太,井孔水位的微动态特征综述,水文地质工程地质,4,1984. [2] 田竹君等,地下水位微动态资料的分析与处理,地震地质,3,1985. [3] 国家地震局地下水影响因素研究组,地震地下水动态及其影响因素分析,地震出版社,1985. [4] 地下水动态清攻理关组,我国地下水动态预报地震的进展,中国地震,1,1985. -

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