Potential evapotranspiration is a direct measurement of the amount of evapotranspiration that occurs in a given area during a given period of time.

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Potential evapotranspiration refers to the amount of water that would be evaporated and transpired by vegetation if water was unlimited. It is estimated by several climatic factors such as temperature, humidity, wind speed, and solar radiation, but it does not directly measure the actual evapotranspiration that occurs in a given area.

Potential Evapotranspiration Is a Direct Measurement of the Amount of Evapotranspiration