Water is flowing in a 12-ft-wide rectangular channel running on a slope of 0.002 ft/ft with a Manning n value of0.025. The discharge is known to be 750 cfs. At a particular point the velocity is...

Water is flowing in a 12-ft-wide rectangular channel running on a slope of 0.002 ft/ft with a Manning n value of0.025. The discharge is known to be 750 cfs. At a particular point the velocity is measured to be 8 ft/s.

a. Classify the profile that prevails in chis vicinity.

b. What is the control of this profile and where is it located (upstream or downstream)?

c. What would you expect to find upstream and downstream of this profile?