EffPrec function

Effective Monthly Precipitation (P_eff)

EffPrec returns the value of effective precipitation.

EffPrec(P_tot)

Arguments

• P_tot: A numeric scalar that denotes the total monthly precipitation [mm].

Returns

The function returns the value of effective monthly precipitation [mm].

Details

This is a function to calculate the effective precipitation [mm]. The function formula has been developed for Iran where the mean annual precipitation is about 250 mm. It may be used for similar semi-arid areas, but it is not recommended for the areas with different climate.

Examples

EffPrec(P_tot = 450)