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http://dx.doi.org/10.4491/KSEE.2015.37.10.551

Assessment of Apprehensive Area of Non-Point Source Pollution Using Watershed Model Application in Juam Dam Watershed  

Yi, Hye-Suk (K-water, K-water Institute)
Choi, Kwang soon (K-water, K-water Institute)
Chong, Suna (K-water, K-water Institute)
Lee, Seung-Jae (K-water, Dam & Watershed Maintenance Department)
Publication Information
Journal of Korean Society of Environmental Engineers / v.37, no.10, 2015 , pp. 551-557 More about this Journal
Abstract
This study analyzes potentially hazardous sub-watersheds from non-point source pollution areas using an HSPF model. The watershed of the Juam dam reservoir was divided into 29 sub-watersheds, and the flow, BOD, TN and TP concentration for the Juam dam watershed were evaluated from 2009 to 2012 using a watershed model, with a warming period from 2009 to 2010. The results of the watershed model agreed well with the flow and water quality field measurements. The calculated average non-point source loadings were BOD of 8.8 and $9.1kg/day/km^2$ in 2011 and 2012, respectively; TN of 9.7 and $10.1kg/day/km^2$ in 2011 and 2012, respectively; and TP of 0.30 and $0.33kg/day/km^2$ in 2011 and 2012, respectively. The non-point source loading of the Bonghwa stream watershed was calculated, and predominantly assessed upstream of the Boseong river. Additionally, the Miryeok, Jangpyeong, Yuleo, Guam, Seokgyo, Mundeok, Incheon, and Bongnae stream watersheds, with extensive agricultural areas, were assessed to be potentially hazardous areas in terms of non-point source management. In this study, HSPF model was applied in order to aid in the selection of non-point source reduction facilities for the Juam dam watershed, where they were evaluated as to whether they would be applicable for non-point source management.
Keywords
Juam Dam Watershed; HSPF Model; Non-Point Source; Non-Point Source Reduction; Watershed Management;
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Times Cited By KSCI : 8  (Citation Analysis)
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