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Environmental research v.160, 2018년, pp.140 - 151   SCI SCIE
본 등재정보는 저널의 등재정보를 참고하여 보여주는 베타서비스로 정확한 논문의 등재여부는 등재기관에 확인하시기 바랍니다.

Assessment and uncertainty analysis of groundwater risk

Li, Fawen    (State Key Laboratory of Hydraulic Engineering Simulation and Safety, Tianjin University, Tianjin 300072, PR China   ); Zhu, Jingzhao    (State Key Laboratory of Hydraulic Engineering Simulation and Safety, Tianjin University, Tianjin 300072, PR China   ); Deng, Xiyuan    (State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Nanjing Hydraulic Research Institute, Nanjing 210029, PR China   ); Zhao, Yong    (State Key Laboratory of Simulation and Regulation of Water Cycle in River Basin, China Institute of Water Resource and Hydro-power Research, Beijing 100038, PR China   ); Li, Shaofei    (Department of Hydraulic Engineering, Tianjin Agricultural University, Tianjin 300384, PR China  );
  • 초록  

    Abstract Groundwater with relatively stable quantity and quality is commonly used by human being. However, as the over-mining of groundwater, problems such as groundwater funnel, land subsidence and salt water intrusion have emerged. In order to avoid further deterioration of hydrogeological problems in over-mining regions, it is necessary to conduct the assessment of groundwater risk. In this paper, risks of shallow and deep groundwater in the water intake area of the South-to-North Water Transfer Project in Tianjin, China, were evaluated. Firstly, two sets of four-level evaluation index system were constructed based on the different characteristics of shallow and deep groundwater. Secondly, based on the normalized factor values and the synthetic weights, the risk values of shallow and deep groundwater were calculated. Lastly, the uncertainty of groundwater risk assessment was analyzed by indicator kriging method. The results meet the decision maker's demand for risk information, and overcome previous risk assessment results expressed in the form of deterministic point estimations, which ignore the uncertainty of risk assessment. Highlights Two different sets of index evaluation systems for shallow and deep groundwater were built respectively. Ordinary kriging was adopted to execute the interpolation estimation. The synthetic weights were adopted merging the AHP method and PCA method. The uncertainty of groundwater risk was analyzed by indicator kriging. Graphical abstract [DISPLAY OMISSION]


  • 주제어

    Groundwater .   Index system .   Indicator kriging .   Synthetic weight .   Risk assessment .   Uncertainty analysis.  

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