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http://dx.doi.org/10.5322/JES.2005.14.12.1171

A Study on the Runoff Characteristics of Non-point Source in Urban Watershed - Case Study on the Dalseo and Daemyung Watershed  

Jang Seong-Ho (Department of Environmental Engineering, Miryang National University)
Park Jin-Sick (Department of Heaith, Environmental, Kyungwoon University)
Publication Information
Journal of Environmental Science International / v.14, no.12, 2005 , pp. 1171-1176 More about this Journal
Abstract
This study was conducted to identify the runoff characteristics of non-point source according to rainfall in Dalseo and Daemyung watershed. Land-uses of the Dalseo and Daemyung watershed were surveyed to urban $72.1\%$ and mountainous $6.7\%$, and urban $49.3\%$ and mountainous $20.5\%$, respectively Mean runoff coefficients in each area were estimated to Dalseo watershed 0.49 and Daemyung watershed 0.16. In the relationship between the rainfall and peak-flow correlation coefficients(r) were determined to Dalseo watershed 0.9060 and Daemyung watershed 0.5620. In the relationship between the antecedent dry period and flrst flow runoff correlation coefficients(r) were determined to Dalseo watershed 0.7217 and Daemyung watershed 0.2464. In the relationship between the rainfall and watershed loading, exponent values of SS in Dalseo and Daemyung watershed were estimated to 0.54 and 0.496, respectively.
Keywords
Non-point source; Rainfall Peak flow; Antecedent dry; Period Runoff;
Citations & Related Records
연도 인용수 순위
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