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http://dx.doi.org/10.14249/eia.2018.27.6.704

Evaluation of Discharge-Water Quality Characteristics and River Grade Classification of Jinwi River Unit Basin  

Cho, Yong-Chul (Han River Environment Research Center, National Institute of Environmental Research)
Choi, Jin-Woo (Han River Environment Research Center, National Institute of Environmental Research)
Noh, Changwan (Han River Environment Research Center, National Institute of Environmental Research)
Kwon, Phil-Sang (Han River Environment Research Center, National Institute of Environmental Research)
Kim, Sang-hun (Han River Environment Research Center, National Institute of Environmental Research)
Yu, Soonju (Han River Environment Research Center, National Institute of Environmental Research)
Publication Information
Journal of Environmental Impact Assessment / v.27, no.6, 2018 , pp. 704-716 More about this Journal
Abstract
The aim of this study is to examine the characteristics analysis of the discharge and water quality based on TPLMS (Total Pollution Load Management System) in the Jinwi River unit basin, and to propose a management plan by selecting the point that needs improvement of water quality in order to achieve the target water quality. We evaluated the discharge and water quality characteristics, statistical analysis, daily delivery load and daily delivery density, grade classification, for 14 total pollution load site's from 2014 to 2016 year in Jinwi river unit basin. The average discharge of Jinwi river unit basin is $22.411m^3/s$ and discharge of Hwangguji River is 32.8% and the water quality characteristics along the tributary river were clarified spatially. As the result, it was analyzed that Seongeun River is an indirect indicator of organic pollutants, Gwanri River is a seasonal factor, Osan River and Hwangguji River both affect water quality. Estimation of delivered pollutant loads at the HG-3 site was 6,470.4 BOD kg/day, 6,846.7 TN kg/day and delivered pollutant loads density increased to $220.9BOD\;kg/day/km^2$, $22.4TP\;kg/day/km^2$ at the HG-4 site. This result demonstrates that the total pollution load site needed to improve water quality of the Jinwi River unit basin was HG-3 site.
Keywords
Jinwi River; Water Quality Improvement; Tributary; Daily Delivery Load; Grade Classification;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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