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http://dx.doi.org/10.3741/JKWRA.2002.35.2.137

Prediction of Water Quality Variation Caused by Dredging Urban River-bed  

Jo, Hong-Je (울산대학교 지구환경시스템공학부)
Lee, Byeong-Ho (울산대학교 지구환경시스템공학부)
Kim, Jeong-Sik (울산대학교 대학원 지구환경시스템공학부)
Lee, Geun-Bae (울산광역시 시청 도시개발과)
Publication Information
Journal of Korea Water Resources Association / v.35, no.2, 2002 , pp. 137-148 More about this Journal
Abstract
The purpose of this study was to examine the effect of water quality improvement due to dredging the bottom deposit at the downstream of a urban river. The finite difference method was used to analyze the water quality variations caused by the depths of dredging and intercepting ratios of the goal years. 21 boring points were selected along the 11.2km river reach running through a metropolitan city. The pollution levels of the deposits from the bored Points were examined by the leaching test. The improvement effect of the water quality, measured as changes of COD, were carried at under drought, minimal, and normal flow. The result indicates that the dredging of the contaminated sludge contributes the improvement of the water quality.
Keywords
stream channel deposit; dredging; effect of water quality improvement; COD; water quality variation;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
연도 인용수 순위
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