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通常,降雨通过渗透或径流来抬高潜水面,使井水上升,这时,雨水和井水发生了直接的水力联系。在地震预报中,为了获得可靠的地震前兆信息,近年来国内外广泛开展了深井水位观测,如华东地区已建成了苏、鲁、皖、豫深井水动态观测网。自1979年建网观测以来,我们发现暴雨也能使深井水位突然明显上升。经研究证明,这是由于暴雨附加应力作用的结果。我
Normally, rainfall raises the well water by infiltration or runoff to raise the well water, at which point the rainwater is in direct hydraulic contact with the well water. In the earthquake prediction, in order to obtain reliable information about earthquake precursors, deep well water level observation has been widely carried out at home and abroad in recent years. For example, well water dynamic observation networks of Jiangsu, Shandong, Anhui and Henan have been built in East China. Since the construction of the network in 1979, we have found that sudden heavy rain can cause a sudden and significant increase in the water level in deep wells. The study proves that this is the result of the additional stress of the heavy rain. I