面对严峻的城市水生态问题，“海绵城市”的概念成为了学术界的前言思想和行

Facing severe urban water ecology problems, the concept of "sponge city" has become the foreword of academic circles and a hot topic in the industry. Sponge city is a new generation of urban rain and flood management concept, which means that the city can be like a sponge and has good flexibility in adapting to environmental changes and responding to natural disasters brought by rainwater. It can also be called "water elastic city".

Facing the severe urban water ecology problem, the concept of "sponge city" has become a hot topic in the academic preamble and the industry. Sponge city, is a new generation of urban rain and flood management concept, refers to the city can like a sponge, in adapttoing to environmental changes and cope with natural disasters brought by rain, etc. have a good elasticity, can also be called "water elastic city."

In the face of severe urban water ecological problems, the concept of "sponge city" has become the foreword thought of academia and a hot topic in the industry. Sponge city is a new concept of urban rainwater and flood management. It means that the city, like sponge, has good flexibility in adapting to environmental changes and responding to natural disasters brought by rainwater. It can also be called "water elastic city".