Sponge city is a comprehensive and diversified urban ecosystem that aims to protect,restore,and utilize the natural water cycle system,achieving sustainable urban development.By collecting,filtering,reusing,and infiltrating rainwater resources,we can make rational use of them,reduce the risk of flood disasters,and alleviate the pressure on urban drainage systems.Utilize greening and naturalization methods to increase urban green space area and vegetation coverage,and improve the ecological environment and air quality of the city.By laying permeable pavements,constructing green roofs,and vertical greening,cities can improve the permeability of urban surfaces,promote natural hydrological cycles,improve urban drainage systems,build rain gardens,lakes,and other measures to enhance the city's flood resistance and drainage capabilities,in order to alleviate the risk of urban flooding disasters.By listing specific cases of using urban sponge technology in Shenzhen,the social benefits brought by urban sponge technology have been confirmed.
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