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在经典的水文地质学专著中,有这样两句话:“地下水动态是地下水均衡的外部表现;地下水均衡是导致动态变化的内在原因”。也就是说,水位变化反映着含水层内水量的均衡。属于正均衡,水位上升;属于负均衡,水位下降。这一观点,在很长时期内成为研究地下水动态的基本指导思想。无疑:这在研究浅层地下水资源评价中是正确的。尽管在邢台地震后广大地震工作者观测到一些与含水层水量变化毫不相干的水位动态,但由于理论准备不足,对那些动态的意义和价值认识不够,未引起足够的重视和深入的研究。全国第二代地震地下水观测网的建设和大量观测资料的取得,为研究地下水动态提供了新鲜的思路与途径,推动着地震地下水工作的飞速发展。在1981年国家地震局组织的地下水影响因素研究组的研究成果《地震地下水动态及其影响因素》专著中首
In a classic hydrogeological monograph, there are two sentences: “Groundwater dynamics are the external manifestation of groundwater equilibrium; groundwater equilibria are the underlying causes of dynamic changes.” In other words, changes in water level reflect the water balance within the aquifer. Is a positive balance, the water level rise; belong to the negative balance, the water level down. This view has become a basic guiding principle for studying the dynamics of groundwater for a long time. No doubt: This is correct in the study of the evaluation of shallow groundwater resources. Although many earthquake workers observed some water level dynamics unrelated to the change of aquifer water level after the Xingtai earthquake, insufficient understanding of the significance and value of those dynamics did not attract enough attention and in-depth study due to insufficient theoretical preparation. The construction of the Second National Earthquake Groundwater Observatory and the acquisition of a large amount of observation data have provided fresh ideas and approaches for studying the groundwater dynamics and promoted the rapid development of earthquake groundwater work. In 1981, the State Seismological Bureau organized the groundwater impact factor research group, “Earthquake groundwater dynamics and its influencing factors,” the monograph