Three reaches of steep, mild, and critical bed slopes, respectively, constitute an open channel which is connected to a large reservoir as shown in Figure P14.19. Two gates are located in the middle...

Three reaches of steep, mild, and critical bed slopes, respectively, constitute an open channel which is connected to a large reservoir as shown in Figure P14.19. Two gates are located in the middle of the steep and critical reaches. Sketch the water surface profile along the channel.