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Simulation and Optimization Strategy of Storm Flood Safety Pattern Based on SCS-CN Model

Author

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  • Xinhong Cai

    (College of Landscape Architecture, Northeast Forestry University, Harbin 150000, China)

  • Dawei Xu

    (College of Landscape Architecture, Northeast Forestry University, Harbin 150000, China
    Key Lab for Garden Plant Germplasm Development & Landscape Eco-Restoration in Cold Regions of Heilongjiang Province, Harbin 150000, China)

Abstract

The contradiction between rapid urbanization’s demand for land resources and the ecological environment is increasing, which has led to large-scale hardening of the underlying surface of the city and reduction of land for storage. In addition, construction land occupies rainwater confluence land, resulting in a significant decline in urban stormwater control capabilities. The increasingly frequent flood disasters in recent years have exposed the contradiction between urban construction and stormwater safety that cannot be ignored. Therefore, this article takes the central city of Harbin as the research object, uses ArcGIS for spatial analysis and SCS (Soil Conservation Service) hydrological model simulation to construct the rain and flood safety pattern in the research area, and proposes targeted optimization suggestions and strategies based on the evaluation results to achieve the purpose of coordinating the water ecosystem service function with social and economic development. The research shows that protecting the original stormwater corridor and strengthening the connection between the stormwater control patches can effectively guarantee the connectivity of the stormwater corridor, build the natural stormwater regulation and storage system, and then increase the ability of the city to resist the risk of rainstorm, reduce the disaster caused by urban waterlogging, and achieve the goal of sponge city construction.

Suggested Citation

  • Xinhong Cai & Dawei Xu, 2022. "Simulation and Optimization Strategy of Storm Flood Safety Pattern Based on SCS-CN Model," IJERPH, MDPI, vol. 19(2), pages 1-15, January.
  • Handle: RePEc:gam:jijerp:v:19:y:2022:i:2:p:698-:d:720426
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    References listed on IDEAS

    as
    1. V. Daksiya & H. T. Su & Y. H. Chang & Edmond Y. M. Lo, 2017. "Incorporating socio-economic effects and uncertain rainfall in flood mitigation decision using MCDA," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 87(1), pages 515-531, May.
    2. Sabita Shrestha & Shenghui Cui & Lilai Xu & Lihong Wang & Bikram Manandhar & Shengping Ding, 2021. "Impact of Land Use Change Due to Urbanisation on Surface Runoff Using GIS-Based SCS–CN Method: A Case Study of Xiamen City, China," Land, MDPI, vol. 10(8), pages 1-18, August.
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