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http://dx.doi.org/10.3741/JKWRA.2009.42.4.297

Effect of Improved Runoff Module in SWAT on Water Quality Simulation  

Kim, Nam-Won (Water Resources Research Division, Water Resources & Environment Research Department, KICT)
Shin, Ah-Hyun (Water Resources Research Division, Water Resources & Environment Research Department, KICT)
Lee, Jeong-Woo (Water Resources Research Division, Water Resources & Environment Research Department, KICT)
Publication Information
Journal of Korea Water Resources Association / v.42, no.4, 2009 , pp. 297-307 More about this Journal
Abstract
For reliable water quality simulation by semi distributed model, accurate daily runoff simulation should have preceded. In this study, newly developed channel routing method which is nonlinear storage method is combination of Muskingum routing method and variable storage routing method and temporally weighted average curve number method were applied for effect analysis of water quality simulation. Developed modules, which are added in SWAT models and simulation, were conducted for the Chungju dam watershed. The simulation result by each module applied effect. As a result of analysis contribute water quality modeling, nonlinear storage method is more effective than temporally weighted average curve number method. Nutrient loading discharge was affected by development of runoff delaying from improvement of channel routing, because of characteristics of nonpoint source pollution.
Keywords
nonlinear storage method; SWAT; temporally weighted average curve number; water quality simulation;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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