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在城市快速发展的进程中,原有的水生态和气候条件被传统的开发方式所改变,使城市雨洪灾难日益严重,海绵城市中的雨洪资源化利用把雨水作为重要的水资源,运用工程和非工程的措施,分散实施、就地拦蓄,使其及时就地下渗、补充地下水、缓解洪涝、控制雨水径流污染及和改善提升城市生态环境等诸多方面。
In the process of rapid urban development, the original water ecological and climatic conditions have been changed by the traditional methods of development, making the urban floods and floods increasingly serious. The rainwater reclamation and utilization in sponge cities have made rainwater an important water resource. Engineering and non-engineering measures, decentralized implementation, in-situ storage, timely on-site infiltration, replenishment of groundwater, easing floods, controlling stormwater runoff pollution and improving and enhancing urban ecological environment and many other aspects.