Simulation analysis on chenbei watershed waterlogging based on ANUGA and SWMM coupling model

被引:0
|
作者
Lei X. [1 ]
Wang Z. [1 ,2 ,3 ]
Zeng Z. [1 ,3 ]
Lai C. [1 ,2 ,3 ]
机构
[1] State Key Laboratory of Subtropical Building Science, South China University of Technology, Guangzhou
[2] Pazhou Lab, Guangzhou
[3] School of Civil Engineering and Transportation, South China University of Technology, Guangzhou
关键词
ANUGA; Chebei watershed; Designed storm; SWMM; Urban waterlogging;
D O I
10.3880/j.issn.1004-6933.2023.03.010
中图分类号
学科分类号
摘要
In order to explore the law of urban waterlogging response to the designed position of rain peak during storm, taking a certain area in the Chebei watershed in Guangzhou as an example, a coupled model AGSWM was constructed based on ANUGA and SWMM model, and verified with measured rainfall and waterlogging data. The waterlogging simulation analysis was carried out for the designed storm scenarios with different rain peak positions. The results showed that the AGSWM has good simulation accuracy and is able to reflect the temporal and spatial evolution of Chenbei watershed waterlogging properly. Under the post-peak scenario during low return period and the mid-peak scenario during high return period, total amount of accumulated water, total inundated area, submerged area with severe waterlogging and maximum water depth of severe waterlogging-prone points are relatively large. Under the pre-peak scenario during the low return period and the post-peak scenario during the high return period, the delay of peak of water accumulation are relatively large. © 2023, Editorial Board of Water Resources Protection. All rights reserved.
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页码:82 / 90
页数:8
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