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http://dx.doi.org/10.5389/KSAE.2009.51.6.025

Estimation of Pollutant Loads Delivery Ratio by Flow Duration Using Regression Equation in Hwangryong A Watershed  

Jung, Jae-Woon (한국농어촌공사 농어촌연구원)
Yoon, Kwang-Sik (전남대학교 생물산업공학과)
Joo, Seuk-Hun (한국농어촌공사 새만금개발처)
Choi, Woo-Young (전남대학교 생물산업공학과)
Lee, Yong-Woon (전남대학교 건설지구환경공학부)
Rhew, Doug-Hee (국립환경과학원 수질총량연구과)
Lee, Su-Woong (국립환경과학원 수질총량연구과)
Chang, Nam-Ik (국립환경과학원 기후대기연구부 대기환경연구과)
Publication Information
Journal of The Korean Society of Agricultural Engineers / v.51, no.6, 2009 , pp. 25-31 More about this Journal
Abstract
In this study, pollutant loads delivery ratio by flow duration in Hwangryoung A watershed was estimated. The delivery ratio was estimated with measured data by Ministry of Environment(MOE) and the regression equation based on geomorphic parameters. Eight day interval flow data measured by the MOE were converted to daily flow to calculate daily load and flow duration curve by correlating data of neighboring station which has daily flow data. Regression equation developed by previous study was tested to study watershed and found to be satisfactory. The delivery ratios estimated by two methods were compared. For the case of Biochemical oxygen demand(BOD), the delivery ratios of low flow condition were 7.6 and 15.5% by measured and regression equation, respectively. Also, the delivery ratios of Total phosphorus(T-P) for normal flow condition were 13.3 and 6.3% by measured and regression equation, respectively.
Keywords
BOD(Biochemical oxygen demand); delivery ratio; Pollutant load; regression equation; T-P(Total phosphorus);
Citations & Related Records
Times Cited By KSCI : 6  (Citation Analysis)
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