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http://dx.doi.org/10.3741/JKWRA.2020.53.1.57

Inter-basin water transfer modeling from Seomjin river to Yeongsan river using SWAT  

Kim, Yong Won (Graduate School of Civil, Environmental and Plant Engineering, Konkuk University)
Lee, Ji Wan (Graduate School of Civil, Environmental and Plant Engineering, Konkuk University)
Woo, So Young (Graduate School of Civil, Environmental and Plant Engineering, Konkuk University)
Kim, Seong Joon (School of Civil and Environmental Engineering, Konkuk University)
Publication Information
Journal of Korea Water Resources Association / v.53, no.1, 2020 , pp. 57-70 More about this Journal
Abstract
This study is to establish the situation of inter-basin transfer from Seomjin river basin to Yeongsan river basin using SWAT (Soil and Water Assessment Tool). Firstly, the SWAT modeling was conducted for each river basin. After, the inter-basin transfer was established using SWAT reservoir operating parameters WURESN (Water Use Reservoir Withdrawn) and inlet function from Juam dam of Seomjin river basin to Gwangju stream of Yeongsan river basin respectively. Each river basin was calibrated and validated using 13 years (2005~2017) data of Seomjin- Juam dam reservoir storage (JAD), release, transfer and Yeongsan-Mareuk (MR) stream gauge station. The results of root mean square error RMSE, Nash-Sutcliffe efficiency NSE, and determination coefficient R2 of JAD were 2.22 mm/day, 0.62 and 0.86 respectively. The RMSE, NSE, and R2 of MR were 1.38 mm/day, 0.69 and 0.84 respectively. To evaluate the downstream effects by the transferred water, the water levels of 2 multi-function weirs (SCW, JSW) in Yeongsan river basin and the Gokseong (GS) and Gurye (GR) stream gauge stations in Seomjin river basin were also calibrated. The RMSE, NSE, and R2 of SCW, JSW, GS and GR were 1.49~2.49 mm/day, 0.45~0.76, 0.81~0.90 respectively.
Keywords
Water transfer; Inlet function; Reservoir parameter; Juam dam; SWAT;
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Times Cited By KSCI : 4  (Citation Analysis)
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