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Irrigation - Engineering

Q1:

According to G.W. Pickles the effect of confining the flood water of a river between levee, is to increase

A rate of flood wave

B water surface elevation during floods

C maximum discharge

D velocity and scouring action

E surface slope of streams above the leveed portion.

ANS:E - surface slope of streams above the leveed portion.

Here all the given options are correct. These all effects will be observed by confining the flood water of the river between marginal embankments/Levees.