Abstract

On the basis of finding out the existing conditions of groundwater in the source area of Kang Ping power plant, GMS is used to construct the 3D perspective of aquifer structure and the numerical simulation model of groundwater flow system. According to the water demand of the water source area, two mining schemes are proposed. Based on GMS software, the groundwater flow field evolution of the two mining schemes in the study area from 2019 to 2022 is simulated by using the model. The results show that the overall groundwater level in the study area presents a stable situation under the mining condition of scheme I 9600 m3 / d, and under the mining condition of scheme II 12000 m3/d, the groundwater depression funnel is expanding. It is suggested to adopt scheme I comprehensively, the water supply capacity can be guaranteed, and the mining volume can be appropriately expanded in case of large water demand, but it should not exceed 12000 m3 / d.

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