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地震往往能引起深井水位变化,国内外均有这方面的报道。从形态上可将这种变化分为两种:一种是瞬时的阶跃变化;另一种是持续的振荡变化。前者主要对应近震,后者主要对应远大震。本文着重谈后一种变化。 根据苏鲁豫皖、京津唐水网及外围地区共约200口观测井的初步调查,其中有20余口井具有记录地震引起的地下水位振荡现象的能力。我们对比了数百张水震图资料,分析了多
Earthquakes can often lead to deep water level changes, both at home and abroad have reported this. From the morphological can be divided into two kinds of changes: one is the instantaneous step changes; the other is the continuous oscillation changes. The former mainly corresponds to the near earthquakes, the latter corresponds mainly to the far earthquake. This article focuses on the latter kind of change. According to the preliminary survey of about 200 observation wells in Sulu Yu-wan, Beijing-Tianjin-Tangshan water network and the periphery, more than 20 wells have the ability to record the oscillations of groundwater level caused by earthquakes. We compared hundreds of water map data, analyzed a lot