Research on Water Environment Regulation of Artificial Playground Lake Interconnected Yangtze River
1
Key Laboratory of Integrated Regulation and Resources Development on Shallow Lakes, Ministry of Education, Hohai University, Nanjing 210098, China
2
College of Hydrology and Water Resources, Hohai University, Nanjing 210098, China
3
College of Engineering, University of Miami, Coral Gables, FL 33146, USA
4
Kewen College, Jiangsu Normal University, Xuzhou 221116, China
5
College of Environment, Hohai University, Nanjing 210098, China
6
School of Hydraulic, Energy and Power Engineering, Yangzhou University, Yangzhou 225009, China
7
School of Environmental and Municipal Engineering, North China University of Water Resources and Electric Power, Zhengzhou 450045, China
*
Authors to whom correspondence should be addressed.
Int. J. Environ. Res. Public Health 2018, 15(10), 2110; https://doi.org/10.3390/ijerph15102110
Received: 1 September 2018
/
Revised: 17 September 2018
/
Accepted: 17 September 2018
/
Published: 25 September 2018
(This article belongs to the Section Environmental Science and Engineering)
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.
View Full-Text
Keywords:
numerical simulation; eutrophication remediation; Playground Lake; bilateral rivers; unilateral river
▼
Show Figures
Figure 1
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited
MDPI and ACS Style
Song, W.; Fu, X.; Pang, Y.; Song, D.; Xu, Q.; Zhang, P. Research on Water Environment Regulation of Artificial Playground Lake Interconnected Yangtze River. Int. J. Environ. Res. Public Health 2018, 15, 2110. https://doi.org/10.3390/ijerph15102110
AMA Style
Song W, Fu X, Pang Y, Song D, Xu Q, Zhang P. Research on Water Environment Regulation of Artificial Playground Lake Interconnected Yangtze River. International Journal of Environmental Research and Public Health. 2018; 15(10):2110. https://doi.org/10.3390/ijerph15102110
Chicago/Turabian StyleSong, Weiwei, Xingqian Fu, Yong Pang, Dahao Song, Qing Xu, and Peng Zhang. 2018. "Research on Water Environment Regulation of Artificial Playground Lake Interconnected Yangtze River" International Journal of Environmental Research and Public Health 15, no. 10: 2110. https://doi.org/10.3390/ijerph15102110
Find Other Styles
Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here.
