(a) Atmometers such as Piche evaporimeter, Livingston atmometer, Bellani plate atnometer, Diag’o type evaporimeter and Hirata type evaporimeter.
(b) Pan or Tank Evaporimeters such as class 4 pan, circular tank, Kenya evaporation pan, rectangular tank and sunken tank.
(c) Lysimeters (soil filled tanks) have also been used to measure evapotranspiration.
They are operated under natural conditions and measure the actual evapotranspiration. If they are supplied daily with water by sprinkling or subirrigation, they can provide values for potential evapotranspiration.
francis1897 answered the question on October 4, 2022 at 13:42