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Research on Water Environment Regulation of Artificial Playground Lake Interconnected Yangtze River

Author

Listed:
  • Weiwei Song

    (Key Laboratory of Integrated Regulation and Resources Development on Shallow Lakes, Ministry of Education, Hohai University, Nanjing 210098, China
    College of Hydrology and Water Resources, Hohai University, Nanjing 210098, China
    College of Engineering, University of Miami, Coral Gables, FL 33146, USA)

  • Xingqian Fu

    (Kewen College, Jiangsu Normal University, Xuzhou 221116, China)

  • Yong Pang

    (Key Laboratory of Integrated Regulation and Resources Development on Shallow Lakes, Ministry of Education, Hohai University, Nanjing 210098, China
    College of Environment, Hohai University, Nanjing 210098, China)

  • Dahao Song

    (Kewen College, Jiangsu Normal University, Xuzhou 221116, China)

  • Qing Xu

    (School of Hydraulic, Energy and Power Engineering, Yangzhou University, Yangzhou 225009, China)

  • Peng Zhang

    (College of Environment, Hohai University, Nanjing 210098, China
    School of Environmental and Municipal Engineering, North China University of Water Resources and Electric Power, Zhengzhou 450045, China)

Abstract

With the rapid development of China, water pollution is still a serious problem despite implementation of control measures. Reasonable water environment management measures are very important for improving water quality and controlling eutrophication. In this study, the coupled models of hydrodynamics, water quality, and eutrophication were used to predict artificial Playground Lake water quality in the Zhenjiang, China. Recommended “unilateral” and “bilateral” river numerical models were constructed to simulate the water quality in the Playground Lake without or with water diversion by pump, sluice and push pump. Under “unilateral” and “bilateral” river layouts, total nitrogen and total phosphorus meet the landscape water requirement through water diversion. Tourist season in spring and summer and its suitable temperature result in heavier eutrophication, while winter is lighter. Under pumping condition, water quality and eutrophication of “unilateral” river is better than “bilateral” rivers. Under sluice diversion, the central landscape lake of “unilateral river” is not smooth, and water quality and eutrophication is inferior to the “bilateral”. When the water level exceeds the flood control level (4.1 m), priority 1 is launched to discharge water from the Playground Lake. During operation of playground, when water level is less than the minimum level (3.3 m), priority 2 is turned on for pumping diversion or sluice diversion to Playground Lake. After opening the Yangtze river diversion channel sluice, priority 3 is launched for sluice diversion to the Playground Lake. When the temperature is less than 15 °C, from 15 °C to 25 °C and higher than 25 °C, the water quality can be maintained for 15 days, 10 days and 7 days, respectively. Corresponding to the conditions of different priority levels, reasonable choices of scheduling measures under different conditions to improve the water quality and control eutrophication of the Playground Lake. This article is relevant for the environmental management of the artificial Playground Lake, and similar lakes elsewhere.

Suggested Citation

  • Weiwei Song & Xingqian Fu & Yong Pang & Dahao Song & Qing Xu & Peng Zhang, 2018. "Research on Water Environment Regulation of Artificial Playground Lake Interconnected Yangtze River," IJERPH, MDPI, vol. 15(10), pages 1-29, September.
    • Handle: RePEc:gam:jijerp:v:15:y:2018:i:10:p:2110-:d:171940
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    Citations

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    Cited by:

    1. Min Pang & Weiwei Song & Yuan Liu & Yong Pang, 2021. "Simulation of the Parameters Effecting the Water Quality Evolution of Xuanwu Lake, China," IJERPH, MDPI, vol. 18(11), pages 1-16, May.
    2. Li, Meng & Lu, Shibao & Li, Wei, 2022. "Stakeholders′ ecological-economic compensation of river basin: A multi-stage dynamic game analysis," Resources Policy, Elsevier, vol. 79(C).

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