A 1.3-m wide rectangular channel with a bed slope of 0.00019 has a depth of flow of 0.8m. Manning’s roughness coefficient is 0.017. (a) Can Manning’s equation be applied to this system (i.e., is the flow fully turbulent)? (b) Regardless of the answer to part a, determine the steady uniform discharge in the channel.

Structural Analysis
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Chapter2: Loads On Structures
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A 1.3-m wide rectangular channel with a bed slope of 0.00019 has a depth of flow of 0.8m. Manning’s roughness coefficient is 0.017.
(a) Can Manning’s equation be applied to
this system (i.e., is the flow fully turbulent)?
(b) Regardless of the answer to part a,
determine the steady uniform discharge in the channel.
 
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