[1]张宏宇,李莉,赵志伟,等.基于Mike Urban的山地城市管网水质模型构建与率定[J].中国给水排水,2023,39(21):131-138.
　ZHANGHong-yu,LILi,ZHAOZhi-wei,et al.Construction and Calibration of Water Quality Model of Mountainous City Pipe Network Based on Mike Urban[J].China Water & Wastewater,2023,39(21):131-138.
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基于Mike Urban的山地城市管网水质模型构建与率定

中国给水排水[ISSN:1000-4062/CN:12-1073/TU] 卷: 第39卷 期数: 2023年第21期 页码: 131-138 栏目: 出版日期: 2023-11-01
Title:
Construction and Calibration of Water Quality Model of Mountainous City Pipe Network Based on Mike Urban
作者:
张宏宇1， 李莉1， 赵志伟1， 赵正刚2， 温夫山1， 王文婧2， 王维忠2， 崔福义1
（1.重庆大学 环境与生态学院，重庆 400045；2.重庆市豪洋水务建设管理有限公司，重庆 400020）
Author(s):
ZHANG　Hong-yu1， LI　Li1， ZHAO　Zhi-wei1， ZHAO　Zheng-gang2， WEN　Fu-shan1， WANG　Wen-jing2， WANG　Wei-zhong2， CUI　Fu-yi1
（1. College of Environment and Ecology， Chongqing University， Chongqing 400045， China； 2. Chongqing Haoyang Water Service and Construction Management Co. Ltd.， Chongqing 400020，China）
关键词:
水质模型;  Mike Urban;  合流制污水管网;  山地城市;  率定
Keywords:
water quality model;  Mike Urban;  combined sewage pipe network;  mountainous city;  calibration
摘要:
山地城市在空间环境上较为独特，与平原城市相比，其管网模型有较大不同。针对山地城市特点，以重庆市李家沱污水厂服务片区为例，运用Mike Urban建立管网水力模型，结合不同降雨事件全过程的水质实测数据，构建水力水质耦合模型。采用正交试验法率定，研究各因素对模型质量的影响，并得到较优参数组合。率定后模型对COD、总氮、氨氮、总磷模拟结果的纳什效率系数（NSE）分别达到0.728 8、0.627 1、0.660 1和0.695 9，模型质量显著提高，证明了该率定方法的可行性，对试验区域的污水厂运营有建设性的意义。
Abstract:
The spatial environment of mountainous cities is unique, and its pipe network model is quite different from that of plain cities. Based on the characteristics of mountainous cities, a pipe network hydraulic model of the service area of Lijiatuo Wastewater Treatment Plant in Chongqing was established by using Mike Urban, and a coupled hydraulic and water quality model was constructed by combining the measured water quality data in the whole process of different rainfall events. The influence of each factor on the quality of the model was investigated by calibration of orthogonal test method, and the optimal parameter combination was obtained. After calibration, the Nash-Sutcliffe efficiency coefficients (NSE) of COD, total nitrogen, ammonia nitrogen and total phosphorus reached 0.728 8, 0.627 1, 0.660 1 and 0.695 9, respectively, which significantly improved the quality of the model. This paper proves the feasibility of the calibration method, and provides constructive significance for the operation of wastewater treatment plants in the test area.

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更新日期/Last Update: 2023-11-01