Analysis of Suitable Groundwater Recovery Level in Western Part of Beijing
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Abstract:
The western part of Beijing is located in the top area of the Yongding River alluvial fan, where the storage of groundwater is abundant. Groundwater level declined rapidly in recent years due to over-exploitation. The South-to-North Water Transfer Project into Beijing can decrease groundwater extraction, so it is necessary to study the suitable groundwater recovery level and to control its recovery rate. Based on the hydrogeological conditions of the study area, the engineering and environmental limited groundwater level was studied through the investigations of gravel pit, underground construction, and landfill site. Compared with the historical flow field, the suitable groundwater recovery level was determined to be the flow field of the dry season in 1983.
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