A long mild reach in an open channel is followed by another reach of steep slope as shown in Figure P14.14. Draw the water surface profile in the following cases: (i) no gates exist, (ii) a gate is...

A long mild reach in an open channel is followed by another reach of steep slope as shown in Figure P14.14. Draw the water surface profile in the following cases: (i) no gates exist, (ii) a gate is located between the two reaches, and (iii) the gate is moved to the end of the second reach