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研究了基于海绵城市建设的低影响开发技术(LID)对场地开发前后自然水文状态的复原原理,分析了LID技术的主要功能,即在场地控制中采用源头处理或者分散处理的技术,从而达到增加雨水的蒸发量、渗透量,削减洪峰流量与径流量,延长峰现时间及同时净化雨水等目标。对LID的6项功能列清单,提出了功能列表并分析了功能多边形。对LID技术功能的分析,有助于了解LID的主要功能及LID的本质目标,为推进海绵城市的建设提供参考。
The principle of low hydrological development based on sponge city construction (LID) was studied, and the principle of LID technology was analyzed. The main function of LID technology was to apply source processing or decentralized technology in site control so as to increase Rainfall evaporation, infiltration, reduction of peak flow and runoff, extension of peak time and simultaneous decontamination of rainwater and other targets. List of six LID functions, presented a list of functions and analyzed the functional polygons. The analysis of the function of LID technology helps to understand the main functions of LID and the essential goals of LID, so as to provide a reference for promoting the sponge city construction.