Water balance
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The law of water balance states that the inflows to any water system or area is equal to its outflows plus change in storage during a time interval. In hydrology, a water balance equation can be used
Water balance in a basin
Agricultural hydrology
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Agricultural hydrology is the study of water balance components intervening in agricultural water management, especially in irrigation and drainage.
Water balance
…is not (for example when surface runoff contributes to a different basin), this must be taken into account. Extensive water balances are discussed in agricultural hydrology. 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, runoff assessment…
Water balance components in agricultural land
Surface runoff in the Curve Number method
Diagram for reuse of groundwater for irrigation by wells
Saltmod water balance components