Everything about Water Balance totally explained
» Note: The Water Balance method is also a winding mechanism used in mining
In
hydrology, a
water balance equation can be used to describes the flow of water
in and
out of a system. A
system can be one of several hydrological domains, such as a column of
soil or a
drainage basin.
Equation
A general water balance equation is:
»
where
» is
precipitation
is
runoff » is
evapotranspiration
is the change in storage (in soil or the bedrock)
A water balance can be used to help manage water supply and predict where there may be water shortages. It is also used in
irrigation, flood control and pollution control.
The water balance can be illustrated using a
water balance graph which plots levels of
precipitation and
evapotranspiration often on a monthly scale.
Several monthly water balance models had been developed for several conditions and purposes. Monthly water balance models had been studied since the
1940s.
Diagnosis of water balance models
Several
diagnostic measures in hydrology can be used to select and evaluate the performance of water balance models
Applications
Types
Models using precipitation (rainfall) as input
Models using rainfall and temperature as input
Models using rainfall and potential evaporation as input
Models using daily input dataFurther Information
Get more info on 'Water Balance'.
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