Seite - 487 - in Book of Full Papers - Symposium Hydro Engineering

(a) At 400m from inlet (b) At 600m from inlet Fig. 5 Cross sectional changes for Run-2 (a) T=20 hrs (b) T=48hrs Fig. 6 Bed elevation changes with time for each run in the immediate downstream of the dam (a) T=20 hrs (b) T=48hrs Fig. 7 Bed elevation changes with time for each run at the downstream reach increasing the discharge from the dam developed the geomorphic diversity of the channel to enhance the effect of the sediment supply on the river in the dam downstream. Bed Relief Index (BRI) was calculated in order to quantitatively understand the cross-sectional change of the bed. BRI represents the standard deviation at the mean bed elevation. BRI was calculated based on the bed elevation data at 487