Which methods are used to compute ‘Runoff’ from a catchment?
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Which methods are used to compute ‘Runoff’ from a catchment?
Preet Chovatiya
On the basis of field experience and observation, the following methods are used to calculate runoff of any catchment area.
nikeetasharma
The curve number method is an adaptable and widely used for runoff estimation. This method is important properties of the watershed, specifically soil permeability, land use and antecedent soil water conditions which take into consideration. Thus, straightforward methods of calculating runoff can tell you the amount of water that storms bring to the earth. For a given surface area such as a roof or yard, multiply the area by the inches of rainfall and divide by 231 to obtain the runoff in gallons.