(1.北京师范大学水科学研究院,北京 100875;2.城市水循环与海绵城市技术北京市重点实验室,北京 100875;3.中国水利水电科学研究院水资源研究所,北京 100038;4.北京工业大学城市建设学部,北京 100124)
(1. College of Water Sciences, Beijing Normal University, Beijing 100875, China;2.Beijing Key Laboratory of Urban Hydrological Cycle and Sponge City Technology, Beijing 100875, China;3. Department of Water Resources, China Institute of Water Resources and Hydropower Research, Beijing 100038, China;4.College of Architecture and Civil Engineering, Beijing University of Technology, Beijing 100124, China)
In order to study the influence of sponge reconstruction on urban flooding/waterlogging and effectively improve the resilience of cities to flooding problems, a sponge reconstruction effect analysis was carried out in Jin’an River drainage district of Fuzhou City. Seven sponge reconstruction schemes were designed based on coupled simulation of the district’s pipeline network, ground surface, and rivers with the InfoWorks ICM model, and the calculation results of different schemes were evaluated. Furthermore, with a typical drainage area near Qinting Lake as the object, flooding responses under the cooperative measures of the sponge city construction and joint scheduling of lakes and reservoirs were quantified and analyzed. The results show that the constructed model can effectively simulate the rainstorm waterlogging process in the Jin’an River drainage district, and influences of different sponge reconstruction measures are different on the maximum inundation area, the number of overflow nodes, the number of surcharged pipes, and the water level of different sections of the main river channel; the comprehensive benefit is the best under the combination of the whole-area sponge reconstruction and pipe network optimization. Under the Soudelor typhoon rainfall, the total inundation area of the drainage area without adopting sponge reconstruction measures was 22.87 hm2, which was reduced to 22.48 hm2 after adoption of the sustainable urban drainage system(SUDS), and further to 9.83 hm2 after incorporation of the scheduling rules, demonstrating that the effect of source sponge modification is limited in face of extreme rainfall, and combining SUDS with lake and reservoir scheduling can effectively mitigate flooding problems in the study area.
叶陈雷,徐宗学,雷晓辉,等.福州晋安河片区海绵改造对城市内涝的影响[J].水资源保护,2023,39(1):83-92.(YE Chenlei, XU Zongxue, LEI Xiaohui, et al. Influences of sponge reconstruction of Jin’an River drainage district in Fuzhou City on urban flooding/waterlogging∥YE Chenlei1,2, XU Zongxue1,2, LEI Xiaohui3, LIAO Weihong3, ZHANG Rui1,2, CHU Qi2,4(1. College of Water Sciences, Beijing Normal University, Beijing 100875, China; 2. Beijing Key Laboratory of Urban Hydrological Cycle and Sponge City Technology, Beijing 100875, China; 3. Department of Water Resources, China Institute of Water Resources and Hydropower Research, Beijing 100038, China; 4. College of Architecture and Civil Engineering, Beijing University of Technology, Beijing 100124, China) Abstract:[J]. Water Resources Protection,2023,39(1):83-92.(in Chinese))复制