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http://dx.doi.org/10.14481/jkges.2014.15.4.29

Estimation and Investigation of the Pollutant Delivery Rate of Sapkyo Reservoir  

Lee, Youngshin (Department of Environmental Engineering, Hanseo University)
Shin, Sanghee (Geotechnical Engineering Research Division, Korea Institute of Construction and Technology)
Lee, Taeho (Rural Research Institute)
Publication Information
Journal of the Korean GEO-environmental Society / v.15, no.4, 2014 , pp. 29-36 More about this Journal
Abstract
The purpose of this study investigates the delivery characteristics according to the load of pollutants by calculating the delivery rate of targeted areas on pollutants in Sapkyo reservoir. The main rivers of Sapkyo reservoir are Namwoncheon, Dogocheon, Sapkyocheon, Muhancheon and Gokgyocheon. The delivery rate and their characteristics of five major rivers during rainfall season are investigated. As th result, biochemical oxygen demand (BOD), total nitrogen (T-N) and total phosphorous (T-P) of total delivery rate are calculated by 0.40, 0.34 and 0.08, respectively. The delivery rate of T-P compares to other water quality is investigated relatively low. Looked at the overall characteristics of the watershed, the delivery rate of T-N and T-P is little change in the rate of the year, too. The delivery rate of T-N is calculated from 0.2 to 0.3 in the dry season, and from 0.31 to 0.39 in a flood, respectively. The delivery rate of T-P is calculated to more than 0.3 in the dry season, and 0.11 in a flood. It is similar values which the average annual delivery rate of T-P is 0.08. Therefore, the measured delivery rate of Sapkyo reservoir can be applicable such as a delivery rate of similar features of the terrain and land use.
Keywords
Delivery rate; Nonpoint source pollutant; Pollution load; Reservoir management; Nutrient transport;
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Times Cited By KSCI : 1  (Citation Analysis)
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