Water is issued into a wide rectangular channel from a large reservoir where the water level is 6.0 m above the channel bed as shown in Figure P15.15. The channel has a bed slope of 0.01 and a Manning...

Water is issued into a wide rectangular channel from a large reservoir where the water level is 6.0 m above the channel bed as shown in Figure P15.15. The channel has a bed slope of 0.01 and a Manning roughness coefficient of 0.021 (metric). Draw the water surface profile and estimate the length of the water profile formed after the channel inlet.