Abstract

In recent years, many cities around the world have experienced severe urban waterlogging disasters due to decreasing rainfall infiltration caused by land cover changes with rapid urbanization, and increased frequency of heavy rainfall events, including localized torrential rain. Traditional drainage systems and internal control concepts have failed to meet the requirements of urban safety. To address the challenging problem of urban waterlogging, China proposed the Sponge City in 2014. From the perspective of natural climate and urban construction planning, this paper makes an analysis of the causes of urban waterlogging, points out the limitations of traditional drainage facilities, and discusses the many hazards associated with urban waterlogging. This paper explains the meaning of Sponge City and the basic ideas of Sponge City construction. Based on the discussion of Sponge City development, this paper analyzes the Sponge City construction in Xixian New Area, and explains the significance of Sponge City to solve the problem of urban waterlogging. Through this idea, I would like to explore the common issues in countries suffering from heavy rainfall disasters such as Japan and Malaysia. The study hopes to provide a deeper thinking on ways to use nature to solve the waterlogging.

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