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TeachMeFinance.com - explain evapotranspiration evapotranspiration The term 'evapotranspiration' as it applies to the area of Earth observation can be defined as ' The sum of evaporation and plant transpiration. Potential evapotranspiration is the amount of water that could be evaporated or transpired at a given temperature and humidity, if there was plenty of water available. Actual evapotranspiration can not be any greater than precipitation, and will usually be less because some water will run off in rivers and flow to the oceans. If potential evapotranspiration is greater than actual precipitation, then soils are extremely dry during at least a major part of the year'. The term 'evapotranspiration' as it applies to the area of reclamation can be defined as ' The quantity of water transpired by plants or evaporated from adjacent soil surfaces in a specific time period. Usually expressed in depth of water per unit area. The combined processes of evaporation and transpiration. It can be defined as the sum of water used by vegetation and water lost by evaporation. A collective term that includes water discharged to the atmosphere as a result of evaporation from the soil and surface water and as a result of plant transpiration'. The term 'evapotranspiration' as it applies to the area of the weather can be defined as ' Combination of evaporation from free water surfaces and transpiration of water from plant surfaces to the atmosphere'. The term 'evapotranspiration' as it applies to the area of water can be defined as 'the sum of evaporation and transpiration'. Previous 5 Terms: Evaporation Rate Evaporation-mixing Fog Evaporative cooler (swamp cooler) Evaporimeter evaporimeter Next 5 Terms: Evapotranspiration EVE even even function even number About the author Mark McCracken Author: Mark McCracken is a corporate trainer and author living in Higashi Osaka, Japan. He is the author of thousands of online articles as well as the Business English textbook, "25 Business Skills in English". Copyright © 2005-2011 by Mark McCracken, All Rights Reserved. TeachMeFinance.com is an informational website, and should not be used as a substitute for professional medical, legal or financial advice. Information presented at TeachMeFinance.com is provided on an "AS-IS" basis. Please read the disclaimer for details.