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本文阐述了江苏两次中强地震前,镇江水化台所观测到的水氧异常形态,并就该井因取样方法改变对氡值的影响作了分析,认为镇江水化台的氡值在两次中强震前所表现的异常形态不一致,不是因为取样方法改变所致,而可能是因为两个地震的发震构造、震源参数、震中距不一致所造成的。最后,文章还对该井水位、流量的前兆异常和震时效应进行了论述,指出,自流井应该充分发挥一井多用,综合观测的优势。
This paper describes the observed water anomalies in Zhenjiang hydration station before the two moderate-strong earthquakes in Jiangsu Province. Based on the analysis of the influence of sampling methods on the radon change, it is considered that the radon value of Zhenjiang hydropower station is between two The anomalous morphology presented before the moderate-strong earthquakes was inconsistent, not because of the change of sampling methods, but probably because of the seismogenic structures, source parameters and epicenter distances of the two earthquakes. Finally, the paper discusses the water level and precursor anomaly of the flow and the seismic time-effect, and points out that the artesian well should give full play to the advantages of multi-purpose and comprehensive observation of a well.