摘要：有关雨水花园(Rain Garden)的理论及应用是当前世界城市绿地系统规划、生态环境保护等领域研究的热点问题之一。城市带状雨水花园是在目前城市环境恶化、城市水问题突出等环境条件下应运而生的。真正意义上的雨水花园形成于20世纪90年代，以美国马里兰州乔治王子郡的住宅区雨洪管理系统为开端形成了一种生态可持续的雨洪控制与雨水利用设施，并取得了举目共睹的成果，因此在世界各地得到推广和应用。雨水花园是海绵城市建设热潮之下的一种自然形成的或人工挖掘的浅凹绿地，被用于汇聚并吸收来自屋顶或地面的雨水，通过植物、沙土的综合作用使雨水得到净化，并使之逐渐渗入土壤，涵养地下水，或补给景观用水、生活用水等城市用水。作为一种充分利用雨水资源的景观措施，雨水花园具有结构简单、造价低廉、景观效果好的优势，如今在我国具有广阔的应用前景。
关键词：雨水花园；城市带状公园；海绵城市
Abstract: The theory and application of Rain Garden is currently one of the hot topics in research in the fields of urban green space system planning and ecological environment protection in the world. The urban belt rain garden came into being under the current environmental conditions such as the deterioration of the urban environment and the prominent urban water problems. The real rain garden was formed in the 1990s. Starting with the rainwater management system in the residential area of Prince Georgersquo;s County, Maryland, USA, an ecologically sustainable rainwater control and rainwater utilization facility was formed, and a total of the results that have been seen have been promoted and applied all over the world. The rain garden is a kind of naturally formed or artificially excavated shallow green space under the boom of sponge city construction. It is used to gather and absorb rainwater from the roof or the ground, and the rainwater is purified through the comprehensive action of plants and sand, and it gradually penetrates into the soil, conserves groundwater, or replenishes urban water such as landscape water and domestic water. As a landscape measure that makes full use of rainwater resources, rainwater gardens have the advantages of simple structure, low cost, and good landscape effects. Now they have broad application prospects in our country.
Key words: Rain Garden; Urban Belt Park; Sponge City
1.研究背景与内容概况
1.1城市带状雨水花园概况
城市滨河绿地是城市带状绿地的重要组成部分，对城市滨河绿地进行合理规划设计有利于提升城市景观度，同时为城市居民提供可以游憩观赏的生态廊道空间。雨水花园是海绵城市建设热潮之下的一种雨洪管控技术手段，是通过在低洼地区种植植物，利用植物与土壤的过滤来净化雨水的方法。在城市空间当中建立雨水花园，一方面有利于提高城市绿量，改善城市发展环境；另一方面有利于改善城市生态环境，推动城市的绿色可持续发展。
1.2雨水花园的功能及分类
1.2.1雨水花园的功能
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