Evaluation of Allowable Groundwater Exploitation Amount of Chashang Water Source Area in Wubao County of Shanxi Province
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Abstract:
Based on the hydrogeological conditions of Chashang water source area in Wubao County of Shaanxi Province, the study area and boundary conditions were determined, and the hydrogeological conceptual model and two-dimensional unsteady mathematical groundwater flow were constructed. Visual MODFLOW, which is based on the finite difference method, was selected for numerical simulation of groundwater flow. The reliable hydrogeological parameters were determined through model identification and verification, and they were used to perform quantitative evaluation of groundwater resources in Chashang water source area. Nine designed pumping schemes were compared and the most reasonable groundwater pumping scheme was selected, and the allowable groundwater exploitation amount in normal and dry seasons was obtained as 6880 m3/d. Based on the prediction results, the currently designed groundwater exploitation amount is reasonable, which provides a basis for the reasonable exploration and utilization of groundwater resources in the study area.
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