Question: A 90-m-long, overflow spillway (C = 2.00) operating under a head of 1. 22 m contributes flow to a side-channel spillway. The rectangular side-channel spillway

A 90-m-long, overflow spillway (C = 2.00) operating under a head of 1. 22 m contributes flow to a side-channel spillway. The rectangular side-channel spillway (n = 0. 015) is 4. 6 m wide and has a bottom slope of 0.001. Define the water surface profile (at 30-m intervals) upstream from the location where the overflow spillway stops contributing discharge (where the depth is 9. 80 m). Further down the channel, the flow passes through critical depth as shown in Figure P8.7.5.

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