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下雨导致的城市内涝是多年来困扰城市居民的一大烦恼。为解决这一重大民生问题,国家启动了“海绵城市”建设试点工作,使我国城市的雨水问题能有很大的改善。“海绵城市”是以低影响开发建设模式为基础,以防洪排涝体系为支撑,充分发挥绿地、土壤、河湖水系等对雨水径流的自然积存、渗透、净化和缓释作用,实现城市雨水径流源头减排、分散蓄滞、缓释慢排和合理利用,使城市像海绵一样,能够减缓或降低自然灾害和环境变化的影响,保护
Urban waterlogging caused by rains is a major annoyance to urban residents over the years. In order to solve this major livelihood issue, the state has launched a pilot project on the construction of a “sponge city” so that the rainwater problem in our cities can be greatly improved. Sponge City is based on the mode of low-impact development and construction, taking the flood control and drainage system as the support, giving full play to the natural accumulation, infiltration, purification and release of green water, soil, rivers and lakes and other natural rainfall runoff to achieve the urban Rainfall runoff source reduction, decentralized storage, slow release slow release and rational use of the city as a sponge, can slow down or reduce the impact of natural disasters and environmental change, protection