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Study on River Protection and Improvement Based on a Comprehensive Statistical Model in a Coastal Plain River Network

Author

Listed:
  • Junmin Wang

    (Zhejiang Institute of Hydraulics and Estuary (Zhejiang Institute of Marine Planning and Design), Hangzhou 310020, China)

  • Lei Fu

    (Zhejiang Institute of Hydraulics and Estuary (Zhejiang Institute of Marine Planning and Design), Hangzhou 310020, China)

  • Cheng Lu

    (Zhejiang Institute of Hydraulics and Estuary (Zhejiang Institute of Marine Planning and Design), Hangzhou 310020, China)

  • Shiwu Wang

    (Zhejiang Institute of Hydraulics and Estuary (Zhejiang Institute of Marine Planning and Design), Hangzhou 310020, China)

  • Yongshu Zhu

    (Zhejiang Institute of Hydraulics and Estuary (Zhejiang Institute of Marine Planning and Design), Hangzhou 310020, China)

  • Zeqi Xu

    (Zhejiang Institute of Hydraulics and Estuary (Zhejiang Institute of Marine Planning and Design), Hangzhou 310020, China)

  • Zihan Gui

    (Zhejiang Institute of Hydraulics and Estuary (Zhejiang Institute of Marine Planning and Design), Hangzhou 310020, China)

Abstract

When considering the contradictions between river management and protection in a typical plain river network, it is always confirmed that the river area has usually been encroached upon due to the development of human society. Based on the analysis of multiple attributes of the river network, a statistical model has been proposed in this study in order to determine the river network protection indices such as river area ratio, storage capacity and flux. In this study, a numerical method is proposed to improve the structure and connectivity of the river network by calculating the occupation and supplement balance. According to the principle of water area dynamic balance, the river network structure and its connectivity are improved through water area adjustment in a typical coastal city. As the simulation results show, the water surface ratio equals 8.17%, the storage capacity equals 112.6 million m 3 and the water flux equals to 656.06 m 3 /s in the selected study area. The flood drainage capacity is introduced as the priority function, other functions are also improved due to river management and protection. The harmonious and sustainable coexistence between human society and the river network is then promoted. This comprehensive statistical model proved to be a good tool for the coastal area to enhance the comprehensive attributes of the coastal plain river network and the sustainable development of the local area in the future.

Suggested Citation

  • Junmin Wang & Lei Fu & Cheng Lu & Shiwu Wang & Yongshu Zhu & Zeqi Xu & Zihan Gui, 2024. "Study on River Protection and Improvement Based on a Comprehensive Statistical Model in a Coastal Plain River Network," Sustainability, MDPI, vol. 16(9), pages 1-14, April.
    • Handle: RePEc:gam:jsusta:v:16:y:2024:i:9:p:3518-:d:1381002
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    References listed on IDEAS

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    1. Bhumika Uniyal & Madan Jha & Arbind Verma, 2015. "Assessing Climate Change Impact on Water Balance Components of a River Basin Using SWAT Model," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 29(13), pages 4767-4785, October.
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