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我国的地震水文地质界,多年来在以地震预报为目的的井孔水位动态的观测与研究中,特别注意井孔水位的微动态特征。井孔水位的微动态,一般指井孔中地下水位的微量变化,其水位变幅常以毫米为单位。这种动态一般来说,和传统水文地质学所关心的含水层水量的增减引起的宏观动态有所不同,是和地壳中的应力状态的变化有关,只是含水层中的孔隙水压力的变化所致的。形成井孔水位的微动态的因素很多,
In the seismic hydrogeology of our country, we have paid special attention to the micro-dynamic characteristics of well bore water level in the observation and research of borehole water level dynamic for the purpose of earthquake prediction over the years. Microdisplacement of wellbore water level, generally refers to the trace of groundwater level trace changes, the water level amplitude often in millimeters. Generally speaking, this kind of dynamic is different from the macroscopic dynamic caused by the increase or decrease of the amount of aquifer water concerned by traditional hydrogeology, which is related to the change of the stress state in the crust, only the change of the pore water pressure in the aquifer Caused by. Micro-dynamic formation of well water level many factors,