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在快速城镇化进程中,伴随人工化构筑物日益增多,城市原先吸水纳水的天然基底受到了不同程度的破坏与改变,城市水循环系统受到严重干扰。而雨水花园等基于低影响开发的设计建设实践,为改善和提升城市涵水功能、促进水资源循环利用提供了行之有效的解决方案。本文以波特兰雨水花园为典型案例,试图剖析人工建设项目如何协调其与城市生态环境之间的关系,以期为当前中国正逐步推进的海绵城市建设提供参考与借鉴。
In the process of rapid urbanization, with the increase of artificial structures, the original natural base of absorbing water in cities has been destroyed and changed in varying degrees, and the urban water circulation system has been seriously disturbed. However, the design and construction practice based on low-impact development such as rainwater garden provide an effective solution to improve and enhance the urban water-saving function and promote the recycling of water resources. This article takes Portland rainwater garden as a typical case, trying to analyze how artificial construction project can coordinate its relationship with urban ecological environment with a view to providing reference for the sponge city construction that China is gradually advancing.