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当前位置: 首页 > 文章 > 基于SWMM的宜良园艺博览园片区雨洪管理规划效果研究 西南林业大学学报(自然科学) 2020 (5) 95-102
Position: Home > Articles > Study on the Effect of Rainfall Flood Management in Yiliang Garden Expo Area Based on SWMM Journal of Southwest Forestry University(Natural Sciences) 2020 (5) 95-102

基于SWMM的宜良园艺博览园片区雨洪管理规划效果研究

作  者：
熊凡轶;吴星杰
单  位：
西南林业大学园林园艺学院
关键词：
GIS技术;SWMM模型;径流;雨洪管理
摘  要：
以宜良园艺博览园片区作为研究对象,根据区域情况构建区域SWMM暴雨模型,通过参考相关规划结合GIS分析方法,对其现状与规划方案进行模拟。结果表明:规划方案对径流峰值的迟滞与消减效果显著,在不同重现期下迟滞均达5 min以上,峰值消减效率达65%以上。规划方案在不同重现期条件下的径流总量控制率达到了85.02%、76.15%、72.29%、68.92%,规划方案在年径流总量控制率达到了85%以上。在水质方面,规划方案在不同重现期条件下的对SS、COD、TP、TN四种污染物消减率均达到60%以上,消减效果十分明显,径流中COD、TP、TN污染物的平均浓度已达到Ⅲ类地表水质量标准。
译  名：
Study on the Effect of Rainfall Flood Management in Yiliang Garden Expo Area Based on SWMM
作  者：
Xiong Fanyi;Wu Xingjie;College of Landscape Architecture and Horticulture, Southwest Forestry University;
关键词：
GIS;;SWMM model;;runoff;;rainfall flood management
摘  要：
This paper selects Yiliang Garden Expo area as the research object, constructs the regional SWMM rainstorm model according to the regional situation, and the current situation and planning scheme are simulated by referring to the relevant planning and GIS analysis method. It is found that the lag and reduction effect of the planning scheme on the runoff peak value is significant, and the hysteresis is more than 5 minutes in different return periods, and the peak reduction efficiency is more than 65%. The total runoff control rate of the planning scheme under different return periods is 85.02%, 76.15%, 72.29% and 68.92%, and the annual total runoff control rate of the planning scheme is more than 85%. In terms of water quality, the reduction rate of SS, COD, TP and TN in the planning scheme under different return periods is more than 60%, and the reduction effect is very obvious. The average concentration of COD, TP and TN pollutants in runoff has reached class III surface water quality standard.

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