基于SWMM模型的生物滞留池水文效应研究

China Rural Water and Hydropower(2014)

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Abstract
城市化通过改变区域的下垫面条件,进而改变了天然状态下的水文机制.以济南某停车场为研究区域,假设该区域所设的调控措施为生物滞留池,运用SWMM软件建立模型,对加入调控措施-生物滞留池前后进行水文效应对比分析,并通过改变生物滞留池的深度、坡度等指标,模拟不同指标下的径流形态.研究表明:经生物滞留池调控后,洪峰流量呈显著减小的趋势,洪峰出现时间延迟;生物滞留池对于重现期较短的降水效果比较明显,重现期越长,效果越不明显.
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Key words
bio-retention,urbanization,hydrological analysis,SWMM
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