Abstract：Exploring groundwater emergency source and establishing emergency water supply mechanism are important measures to ensure the safety of residents’ water use and maintain social stability when daily water supply obstacles occur in cities. Based on the analysis of the hydrogeological conditions in the planning area of Changde City, the researchers in this paper delineated 5 groundwater emergency sources, and summarized the site selection principles of groundwater emergency sources in the same type. Besides, the feasibility assessment of water sources was conducted from three aspects of water quantity, water quality and production capacity. Two emergency water supply schemes under the minimum standard of 20 L/d and the general standard of 50 L/d per capita water consumption are considered, combining with the existing urban water supply network and groundwater exploitation well reservation. The emergency water supply demand could be satisfied by the existing water supply capacity of reserved wells under emergency water supply standards of 20 L/d per capita. While, the existing water supply capacity is insufficient in reserved wells of Hefu water source and Ludishan water source under emergency water supply standards of 50 L/d per capita. Therefore, the proposal of increasing production wells is put forward to adapt the emergency water supply demand.
刘一鸣, 何阳, 熊雄, 徐定芳, 庞铁. 常德市地下水应急水源地应急供水可行性评价及方案研究[J]. 中国地质调查, 2022, 9(1): 115-124.
LIU Yiming, HE Yang, XIONG Xiong, XU Dingfang, Pang Tie. Feasibility assessment and scheme research on emergency water supply of groundwater emergency source in Changde City. , 2022, 9(1): 115-124.
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