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借用地下水动力学中贮水系数的概念，建立了一套利用贮水系数计算因过量开采地下水而产生的地面沉降量的方法，并利用唐山沿海地区地下水长期观测资料对这一地区因地下水位持续下降产生的地面沉降进行了估算。
Based on the concept of water storage coefficient in groundwater hydrodynamics, a set of methods for calculating ground subsidence caused by over-exploitation of groundwater by using water storage coefficient was established. Based on the long-term groundwater observation data in the coastal area of Tangshan, the groundwater level continued to rise in this area Land subsidence caused by the decline was estimated.