SWMM模型下海绵城市建设效果核心指标评价——以萧山世纪城区域为例
摘要：以海绵城市建设效果摸底为背景,借助SWMM模型对杭州市萧山区世纪城海绵城市建设情况进行了评估。主要从年径流总量控制率及年径流污染控制率两项核心指标出发,对低影响开发建设前后进行了比较分析。根据建模模拟评估,截止到2020年底,钱江世纪城建成区年径流总量控制率达标面积为5.42km2,达标比例为21%,总体达标率偏低。但部分重点项目的两项核心指标均达到了国家标准及省市要求,有效减少了城市内涝的风险,实现海绵城市建设初衷。
关键词：SWMM模型海绵城市效果评价核心指标
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参考文献参考文献
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[1] 车伍,赵杨,李俊奇,等．海绵城市建设指南解读之基本概念与综合目标[J]．中国给水排水,2015,31(8):1-5.
[2] 袁再健,梁晨,李定强．中国海绵城市研究进展与展望[J]．生态环境学报,2017,26(5):896-901.
[3] 雷享勇,陈燕,潘骁骏,等．杭州市主城区暴雨内涝灾害风险区划[J]．杭州师范大学学报(自然科学版),2019,18(1):105-112.
[4] PARK D,JANG S,ROESNER L A.Evaluation of multi-use stormwater detention basins for improved urban watershed management[J]. Hydrolical Processes,2014,28(3):1104-1113.
[5] 余嵘,赵丹,刘渊博,等．SWMM模型中不同LID措施在排水系统模拟中的应用[J]．中国农村水利水电,2016(1):35-38.
[6] 邢薇,赵冬泉,陈吉宁,等．基于低影响开发(LID)的可持续城市雨水系统[J]．中国给水排水,2011,27(20):13-16.
[7] 苏伯尼,黄弘,张楠．基于情景模拟的城市内涝动态风险评估方法[J]．清华大学学报(自然科学版),2015,55(6):684-690.
Evaluation of core indicators of sponge city construction effect based on SWMM model:a case of the century city area in Xiaoshan
Abstract: Based on the research of sponge city construction effect,this paper evaluates the sponge city construction of Xiaoshan District century city in Hangzhou by means of SWMM model.In terms of the two core indexes of annual total runoff control rate and annual runoff pollution control rate,we compare and analyse data of low-impact development and construction before and after.According to the simulation evaluation of modeling,by the end of 2020,the area which reaches the standard of annual total runoff is 5.42 km2 in Qianjiang century city built-up area,accounting for 21% of the total runoff control rate.The general rate to reach the standard is low.However,the two core indicators of some key projects have met the national standards and provincial and municipal requirements,effectively reducing the risk of urban waterlogging.Therefore the original goal of the construction of sponge cities can be achieved.
Keywords: SWMM model; Sponge city; Effect evaluation; Core indicators;
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