摘要
针对城市内涝和水资源短缺问题,海绵城市建设试点工作逐步推进,海绵校园作为"海绵城市"建设的重要组成部分,其有助于缓解城市水环境污染和提升城市生态环境。文中以陕西省汉中市某高校校园为例,从GIS二维和三维基础数据组织和低影响开发理念方面入手,针对雨水收集、回用和管理作了空间布局分析与初步探讨。结果表明:GIS空间分析方法能够与用地布局、容积率、建筑密度等场地设计参数和信息化管理有机结合,对雨水的吸收、渗透、净化、储存和再利用等环节可借助地理空间建模和水动力模型进行量化分析与模拟,为解决校园内雨水资源利用、景观绿化、生态环境可持续和海绵校园建设提供示范和借鉴。
In order to solve the problem of urban waterlogging and water shortage,the pilot work of the construction of sponge city has been carried out all over the country.As an important part of the construction of "sponge city",the construction of the sponge campus will help to alleviate the pollution of urban water environment and urban rain and flood,and also help to raise the ecological environment of the city.The spatial layout of the rainwater collection and reuse treatment of university is analyzed and discussed on the aspects of the two dimensional and three-dimensional geographic basic data construction and Low Impact Development(LID).The results show that the GIS spatial analysis method can be combined with site layout,volume rate,building density and other parameters and information management.The quantitative analysis and simulation of rainwater absorption,infiltration,purification,storage and reuse can be analyzed and simulated with the aid of geo-spatial modeling and hydrodynamic model,in order to solve the rainwater resources in campus.It can provide a demonstration and reference for landscaping,ecological environment sustainability and sponge campus construction.
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