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Article

Flood Control and Aquifer Recharge Effects of Sponge City: A Case Study in North China

by 1,2, 1,2, 1,2 and 1,2,*
1
Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin University, Changchun 130021, China
2
College of New Energy and Environment, Jilin University, Changchun 130021, China
*
Author to whom correspondence should be addressed.
Academic Editors: Haifeng Jia, Jiangyong Hu, Tianyin Huang, Albert S. Chen and Yukun Ma
Water 2022, 14(1), 92; https://doi.org/10.3390/w14010092
Received: 15 November 2021 / Revised: 26 December 2021 / Accepted: 29 December 2021 / Published: 4 January 2022
(This article belongs to the Special Issue Urban Runoff Control and Sponge City Construction)
Sponge City is an integrated urban stormwater management approach and practice to tackle waterlogging, flooding, water scarcity, and their related problems. Despite many positive effects of Sponge City on flood control that have been investigated and revealed, the effect on aquifer recharge is still less known. Considering maximizing the function of natural elements such as surface water bodies and subsurface storage space, to minimize the use of a gray drainage system, a Sponge City design was proposed to substitute the planning development scheme in the study area. The stormwater management model of SWMM (storm water management model) and the groundwater flow model of MODFlow (Modular Three-dimensional Finite-difference Groundwater Flow Model) were adopted to evaluate the flood-control effect and aquifer-recharge effect, respectively. Compared with the traditional planning scenario, the peak runoff is approximately 92% less than that under the traditional planning scenario under the condition of a 5-year return period. Due to the increase in impervious areas of urban construction, the total aquifer recharge from precipitation and surface water bodies was decreased both in the present planning scenario and the Sponge City design scenario. However, the Sponge City design has a positive impact on maintaining groundwater level stabilization and even raises the groundwater level in some specific areas where stormwater seepage infrastructure is located. View Full-Text
Keywords: Sponge City; aquifer recharge; urban stormwater; green infrastructure Sponge City; aquifer recharge; urban stormwater; green infrastructure
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MDPI and ACS Style

Meng, B.; Li, M.; Du, X.; Ye, X. Flood Control and Aquifer Recharge Effects of Sponge City: A Case Study in North China. Water 2022, 14, 92. https://doi.org/10.3390/w14010092

AMA Style

Meng B, Li M, Du X, Ye X. Flood Control and Aquifer Recharge Effects of Sponge City: A Case Study in North China. Water. 2022; 14(1):92. https://doi.org/10.3390/w14010092

Chicago/Turabian Style

Meng, Bo, Mingjie Li, Xinqiang Du, and Xueyan Ye. 2022. "Flood Control and Aquifer Recharge Effects of Sponge City: A Case Study in North China" Water 14, no. 1: 92. https://doi.org/10.3390/w14010092

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