A Coupled One-Dimensional Numerical Simulation of the Land Subsidence Process in a Multilayer Aquifer System due to Hydraulic Head Variation in the Pumped Layer
作者: Ye WangMao-sheng ZhangFu-sheng HuYing DongKun YuLiangping Li
作者单位: 1School of Water Resources and Environment, China University of Geosciences (Beijing), Beijing, China
2Xi’an Center of Geological Survey, CGS, Xi’an, China
刊名: Geofluids, 2018, Vol.2018
来源数据库: Hindawi Journal
DOI: 10.1155/2018/4083439
原始语种摘要: After exploitation of groundwater had been reduced and the groundwater level of the confined aquifer had risen, land subsidence was observed to continue rather than cease for several years according to the layer-wise mark monitoring data in Xi’an. To analyze the phenomena, a numerical model of a coupled one-dimensional multilayer aquifer system is developed to represent land subsidence due to hydraulic head variation in the pumped layer. The numerical simulation results show that the pressure head in other layers does not rise immediately when the hydraulic head in the pumped layer starts to recover after pumping ceases. In addition, after the pumping is stopped, a dividing point can be found in aquitards next to the pumped layer, with the aquitards being divided into two parts: a...
全文获取路径: Hindawi  (合作)

  • pumping 抽运
  • subsidence 下沉
  • rebound 弹回
  • transition 转移
  • hydraulic 水力的
  • confined 限于
  • recover 挽回
  • dividing 分度
  • groundwater 潜水
  • exploitation 开发