基于LID措施的山地城市雨洪管理模型研究

被引：3
|
作者：
郑浩
李莉
艾海男
何强
机构：
[1] 三峡库区生态环境教育部重点实验室重庆大学
来源：
环境影响评价 | 2018年 / 40卷 / 03期
关键词：
雨洪管理模型; LID措施; 山地城市; 模拟评估;
D O I：
10.14068/j.ceia.2018.03.018
中图分类号：
TU992 [排水工程（沟渠工程、下水道工程）];
学科分类号：
0815 ;
摘要：
为解决山地城市化进程中的水生态问题,以重庆市渝北区江北嘴区域为例,依据现有的城市规划建立SWMM雨洪控制模型,介绍了SWMM模型中的低影响开发(LID)模块。运用SWMM模型在设计重现期分别为1 a、3 a、5 a、10 a、20 a的不同雨情下,模拟分析出LID设施实施前后研究区域的雨水总排放量情况、排水管流量及降雨径流变化。结果表明,LID设施可以削减降雨径流、推迟径流量峰值时刻、缓解排水管网压力,研究区域LID设施控制指标设计取值为绿色屋顶17%、道路透水铺装49%、广场透水铺装41%、植草沟2%、下凹式绿地3%时,可达到80%径流控制率目标。
引用
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页码：76 / 81+91 +91
页数：7
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