[1]窦 明,闫佳佳,王 偲,等.LID设施布局对城市径流与污染负荷影响评估[J].郑州大学学报(工学版),2024,45(04):87-94.[doi:10.13705/ j.issn.1671-6833.2024.04.012]
　DOU Ming,YAN Jiajia,WANG Cai,et al.Assessment of the Impact of LID Facility Layout on Urban Runoff and Pollution Loads[J].Journal of Zhengzhou University (Engineering Science),2024,45(04):87-94.[doi:10.13705/ j.issn.1671-6833.2024.04.012]
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LID设施布局对城市径流与污染负荷影响评估()
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《郑州大学学报(工学版)》[ISSN:1671-6833/CN:41-1339/T]

卷:
45
期数:
2024年04期
页码:
87-94
栏目:
出版日期:
2024-06-16

文章信息/Info

Title:
Assessment of the Impact of LID Facility Layout on Urban Runoff and Pollution Loads
文章编号:
1671-6833(2024)04-0087-08
作者:
窦 明1;  闫佳佳1;  王 偲2;  关 健3;  李桂秋1;  侯进进4
1.郑州大学 生态与环境学院,河南 郑州 450001;2.江苏省水文水资源勘测局 南通分局,江苏 南通 226006;3.河南省自然资源监测和国土整治院,河南 郑州 450018;4.水利部长江水利委员会 长江科学院,湖北 武汉 430012
Author(s):
DOU Ming1;  YAN Jiajia1;  WANG Cai2;  GUAN Jian3;  LI Guiqiu1;  HOU Jinjin4
1. School of Ecology and Environment, Zhengzhou University, Zhengzhou 450001, China; 2. Nantong Branch,Jiangsu Province Hy drology and Water Resources Investigation Bureau, Nantong 226006, China; 3. Institute of Natural Resources Monitoring and Compre hensive Land Improvement of Henan Province, Zhengzhou 450018, China; 4. Changjiang Water Resources Commission of the Ministry of Water Resources, Changjiang River Scientific Research Institute, Wuhan 430012, China
关键词:
SWMM模型;  LID设施空间布局;  径流总量削减率;  管段超载;  TSS负荷削减率
Keywords:
SWMM model;  spatial layout of LID facility;  total runoff reduction rate;  pipe section overload;  TSS load reduction rate
分类号:
X321
DOI:
10.13705/ j.issn.1671-6833.2024.04.012
文献标志码:
A
摘要:
关于低影响开发(LID)空间布局对水量水质控制效果影响的研究较为缺乏。针对上述问题,以郑州市中 原区为对象,基于SWMM模型原理构建布设LID设施的研究区城市水量水质模型。所提模型依据城市综合径流 系数的经验值以及研究区实际情况,将中原区划分为城市建筑高、中、低密集区,并在研究区高、中、低密集子汇水 区布设不同比例的LID设施(S1~S5),计算不同雨量级别下不同空间格局下的LID设施对水量水质的控制效果。 结果表明:随着雨量级别的增大,LID方案的径流总量削减率、峰值流量削减率和TSS负荷削减率不断减小。在降 雨级别为暴雨、大雨和中雨时,在高、中、低密集子汇水区布设占比分别为35%、35%和30%的LID方案(S5),其径 流总量削减率超过80%,峰值流量削减率超过70%,且TSS负荷削减率超过50%。从各事件下水量与水质综合指 标评估来看,该方案表现最佳。
Abstract:
In view of the lack of studies on the impact of low impact development (LID) spatial layout on the con trol effect of water quantity and quality, Zhongyuan District of Zhengzhou City as a target area, its urban water quantity and quality model with LID facilities was built based on SWMM model principle. Based on the empirical value of urban comprehensive runoff coefficient and the actual situation of the area, Zhongyuan District was divided into high, medium and low-density areas of urban buildings, and different proportions of LID (S1-S5) were de ployed in the high, medium and low-density urban areas, and the control effect of different spatial patterns of LID facilities on water quantity and quality under different rainfall levels was calculated. The results showed that with the increase of rainfall level, the total runoff reduction rate, peak flow reduction rate and TSS load reduction rate of LID scheme continued to decrease. When rainfall levels were rainstorm, heavy rain and moderate rain, LID scheme (S5) with a proportion of 35%, 35% and 30% were deployed in high, medium and low dense urban areas, and the total runoff reduction rate exceeded 80%, the peak flow reduction rate exceeded 70%, and the TSS load reduc tion rate exceeded 50%. From the comprehensive index evaluation of water quantity and water quality in each e vent, the program had the best performance.

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更新日期/Last Update: 2024-06-14