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http://dx.doi.org/10.3741/JKWRA.2005.38.6.505

Comparison of Steady and Unsteady Water Quality Model  

Ko, Ick-Hwan (Hydro-systems Engineering Center, Korea Institute of Water and Environment)
Noh, Joon-Woo (Korea Institute of Water and Environment)
Kim, Young-Do (School of Environmental Science and Engineering, Inje University)
Publication Information
Journal of Korea Water Resources Association / v.38, no.6, 2005 , pp. 505-515 More about this Journal
Abstract
Two representative river water quality models have been compared in this paper. The steady water quality model, QUAL2E, and the unsteady model, CE-QUAL-RIV1, have been chosen for comparative simulations. Under same reaction coefficients and boundary conditions, the water quality of the Geum river below the Daechung dam has been simulated using two different models, and the water quality equations are compared each other. Since basic model algorithm is very close, the input data required for model run is very similar. Upon the simulation under steady condition, the results of two models show very good agreement especially for BOD, DO, and $NH_3-N$, while the results of specific constituent such as dissolved P is quite different. As a result, dominant water quality parameters to compute each corresponding water quality variables are summarized and tablized through the sensitivity analysis.
Keywords
QUAL2E; CE-QUAL-RIV1; water quality model; BOD; dissolved P;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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