关键词: 海绵城市建设, 城市建成区, 雨水资源优化, 雨水生态系统, 雨洪管理

Abstract: Sponge city, a new construction mode, has been highly recommended for solving problems of urban waterlogging and storm-water management in China. However, the practice effect has not been quite satisfactory, especially in urban built-up areas. There are still many problems such as lack of system thinking, too much emphasis on engineering design and neglecting landscape reconstruction, construction not being in conformity with the design. This paper analyzed the present situation and existing problems of sponge city construction in urban built-up areas in China. And specific measures based on the practical situation of sponge city were proposed, i.e., using the system theory to command the overall situation, planning and designing the sponge city from regional and watershed perspective, comprehensively considering water quality and water quantity and integrating historical culture with the landscape design. These measures will continue to promote sponge city construction in urban built-up areas and contribute to the development of ecology, economy and society.

Key words: sponge city construction, urban built-up area, rain water resource optimization, rain water ecosystem, storm-water management