For the same amount of discharge, a narrow, shallow channel will have a higher water velocity than will a wide, deep channel.

Question

Quizplus · Accepted Answer

This is because the cross-sectional area of the water in a narrow and shallow channel is less than in a wide and deep channel, which means the same amount of discharge has to pass through a smaller space in the narrow channel, resulting in higher velocity.

For the Same Amount of Discharge, a Narrow, Shallow Channel