Fig. 1. Study area
Fig. 2. Construction of topographic data for RMA-2 model
Fig. 3. Distribution of flow velocity and water depth for case 1
Fig. 4. Distribution of flow velocity and water depth for case 2
Fig. 5. Distribution of flow velocity and water depth for case 3
Fig. 6. Distribution of flow velocity and water depth for case 4
Fig. 7. SED-2D numerical simulation result
Fig. 8. Bed change before river improvement
Fig. 9. Bed change after river improvement
Table 1. River width change of study area
Table 2. Calculation conditions for numerical simulation
Table 3. Comparison of 1-D and 2-D Model Results according to channel enlargement
Table 4. Comparison before and after river improvement in Dominant discharge (1.58-year) condition
Table 5. Comparison before and after river improvement in design flood discharge (100-year) condition
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