抄録
In this study, a numerical simulation of flow and water quality in tidal rivers was presented. Flow in tidal river swas simulated by solving the governing equation of one-dimentional unsteady flow. Then, water quality (BOD) wassimulated by solving advection and dispersion equation with source and sink terms which account for change inBOD due to the erosion and deposition of sediment. The simulation model was applied to the actual tidal rivernet work, and verification was carried out by comparing with the observation data which were continuouslymeasured for 72hrs. The simulated results show satisfactory agreement with the observation. The erosion anddepositon of sediment were found to be the determining factor of water quality in this rivet
