lysimeter
hydrological instrument
Learn about this topic in these articles:
measurement of evapotranspiration
- In hydrologic sciences: Evapotranspiration
…of several metres across) called lysimeters, evaluate the different components of the water balance precisely, and calculate the evapotranspiration by subtraction. A similar technique is often employed at the catchment scale, although the measurement of the other components of the water balance is then necessarily less precise.
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