Management decision of optimal recharge water in groundwater artificial recharge conditions- A case study in an artificial recharge test site

2017 International Conference on New Energy and Future Energy System

He, H.Y.^1,2,3 ; Shi, X.F.^3 ; Zhu, W.^3 ; Wang, C.Q.^3 ; Ma, H.W.^3 ; Zhang, W.J.^1,2

Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin University, Changchun, Jilin Province

130021, China^1

College of Environment and Resources, Jilin University, Changchun, Jilin Province

130021, China^2

Shenyang Center China Geological Survey Bureau, Liaoning Province Shenyang

110034, China^3

关键词: Artificial recharge;    Comprehensive analysis;    Environmental quality;    Evaluation results;    Fuzzy comprehensive evaluation method;    Management decisions;    Optimal allocation of water resources;    Technical support;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/93/1/012036/pdf
DOI  :  10.1088/1755-1315/93/1/012036

来源: IOP

【 摘 要 】

The city conducted groundwater artificial recharge test which was taken a typical site as an example, and the purpose is to prevent and control land subsidence, increase the amount of groundwater resources. To protect groundwater environmental quality and safety, the city chose tap water as recharge water, however, the high cost makes it not conducive to the optimal allocation of water resources and not suitable to popularize widely. To solve this, the city selects two major surface water of River A and B as the proposed recharge water, to explore its feasibility. According to a comprehensive analysis of the cost of recharge, the distance of the water transport, the quality of recharge water and others. Entropy weight Fuzzy Comprehensive Evaluation Method is used to prefer tap water and water of River A and B. Evaluation results show that water of River B is the optimal recharge water, if used; recharge cost will be from $0.4724/m3to $0.3696/m3. Using Entropy weight Fuzzy Comprehensive Evaluation Method to confirm water of River B as optimal water is scientific and reasonable. The optimal water management decisions can provide technical support for the city to carry out overall groundwater artificial recharge engineering in deep aquifer.