potential evapotranspiration
McGraw-Hill Science & Technology Dictionary:
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potential evapotranspiration
(pə′ten·chəl i′vap·ō′tranz·pə′rā·shən)
(hydrology) Generally, the amount of moisture which, if available, would be removed from a given land area by evapotranspiration; expressed in units of water depth.
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potential evapotranspiration
Oxford Dictionary of Geography:
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potential evapotranspiration
The maximum continual loss of water by evaporation and transpiration, at a given temperature, given a sufficient supply of water. PET often outstrips actual evapotranspiration.
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