西安海绵城市雨水花园设计探析

Discussion on the Design of Xi'an Sponge City and Rain Garden

西安市为我国北方严重缺水的大城市之一,如何更有效地解决水资源压力,提高水资源的利用率,最大限度的利用雨水,减小由于城市建设快速发展、硫化面积不断扩大,雨水产生经流快、流失快、遇极端天气给城市造成洪涝灾害等问题。笔者以西安海绵城市雨水花园建设为主题,从雨水花园选址、植物选择、景观设计与环境的结合等方面进行了探讨,以期对雨水花园建设有所借鉴。

As the big city being short of water in northern China, Xi＇an faces many problems, such as how to ease the tension of water shortage, increase water use efficiency, recycle rainwater, and decrease flood disaster resulted from rapid development of city construction, the expansion of sulfidation area, quick occurrence and the lost of rainwater, and extreme weather. With the construction of Xi＇an sponge city and rain garden as the subject, site selection of rain garden, the selection of plants, the combi- nation of landscape design with environment are discussed so as to provide reference for the construction of rain garden.