Answer: E. All the above.
Hydrology helps in predicting maximum flows, deciding the minimum reservoir capacity, forecasting the availability of quantity of water at reservoir site, and predicting the effects on the river water level on completion of dams.
Hydrology is the branch of science which deals with the movement of water on or below the ground surface. Hydrology helps to calculate the discharge of water in the river which generates after precipitation. It also help to understand the flood condition and hence it plays an important role in designing the dams.
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