Water cycle analysis was performed for Gunja basin located in metropolitan Seoul using Aquacycle model in order to assess the problems of urban water cycle. From the water cycle analysis of Gunja basin, it was found that 75% of total rainfall occurred in the form of surface runoff, and groundwater recharge only accounted for about 7%. This suggests serious distortion of water cycle which can be attributed to urbanization. Feasibility analysis of reuse scenarios such as rainwater use and wastewater reuse was then performed to examine their influences on improving the water cycle. From the analysis of water reuse options, it was shown that imported water supply savings of 13% can be achieved through rainwater use, and water supply savings of 31% through wastewater reuse.
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Research Article|
December 01 2007
Analysis of urban water cycle considering water reuse options Available to Purchase
J. Lee;
J. Lee
*Graduate Student, Dept. of Civil and Environmental Engineering, Korea University, Seoul, 136-701, Korea
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G. Pak;
G. Pak
**Graduate Student, Dept. of Environmental Engineering, College of Science & Technology, Korea University, Chungnam, 339-700, Korea
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C. Yoo;
C. Yoo
***Professor, Department of Civil and Environmental Engineering, Korea University, Seoul, 136-701, Korea
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J. Yoon
****Assistant Professor, Department of Environmental Engineering, College of Science & Technology, Korea University, Chungnam, 339-700, Korea
E-mail: [email protected]
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Water Supply (2007) 7 (5-6): 101–107.
Citation
J. Lee, G. Pak, C. Yoo, J. Yoon; Analysis of urban water cycle considering water reuse options. Water Supply 1 December 2007; 7 (5-6): 101–107. doi: https://doi.org/10.2166/ws.2007.094
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