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SWMM-Based Assessment of the Improvement of Hydrodynamic Conditions of Urban Water System Connectivity

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  • Xianqi Zhang

    (Water Conservancy College, North China University of Water Resources and Electric Power
    Collaborative Innovation Center of Water Resources Efficient Utilization and Protection Engineering
    Technology Research Center of Water Conservancy and Marine Traffic Engineering)

  • Kai Wang

    (Water Conservancy College, North China University of Water Resources and Electric Power)

  • Tao Wang

    (Water Conservancy College, North China University of Water Resources and Electric Power)

Abstract

Scientific assessment of the hydrodynamic conditions of water system connection is of great significance and value in guiding the ecological construction of urban water system connection and building healthy river–lake relationship. Based on the advantages of SWMM in effectively simulating urban rainfall and surface runoff, a hydrological and hydrodynamic model was constructed before and after the implementation of urban water system connection project, and the model was applied to the analysis of rainfall and flooding processes in two recurrence periods of 5a and 10a after the implementation of urban water system connection in Pingyu County. The results show that the initial flow rate and velocity of river cross-section increased in the same recurrence period after the water system connection, the maximum increase of water exchange capacity was 115.56%, the peak flow rate and velocity were weakened and the peak time was lagged, and the hydrodynamic conditions were improved significantly.

Suggested Citation

  • Xianqi Zhang & Kai Wang & Tao Wang, 2021. "SWMM-Based Assessment of the Improvement of Hydrodynamic Conditions of Urban Water System Connectivity," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 35(13), pages 4519-4534, October.
    • Handle: RePEc:spr:waterr:v:35:y:2021:i:13:d:10.1007_s11269-021-02964-7
    DOI: 10.1007/s11269-021-02964-7
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    References listed on IDEAS

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    1. Jiake Li & Chenning Deng & Huaien Li & Menghua Ma & Yajiao Li, 2018. "Hydrological Environmental Responses of LID and Approach for Rainfall Pattern Selection in Precipitation Data-Lacked Region," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 32(10), pages 3271-3284, August.
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    Cited by:

    1. Jing Peng & Lei Yu & Xiang Zhong & Tiansong Dong, 2022. "Study on Runoff Control Effect of Different Drainage Schemes in Sponge Airport," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 36(3), pages 1043-1055, February.

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