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evapotranspiration

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evapotranspiration

Loss of water from the soil both by evaporation from the soil surface and by transpiration from the leaves of the plants growing on it. Factors that affect the rate of evapotranspiration include the amount of solar radiation, atmospheric vapor pressure, temperature, wind, and soil moisture. Evapotranspiration accounts for most of the water lost from the soil during the growth of a crop. Estimation of evapotranspiration rates is thus important in planning irrigation schemes.


evapotranspiration [i‚vap·ō‚tranz·pə′rā·shən]
(hydrology)
Discharge of water from the earth's surface to the atmosphere by evaporation from lakes, streams, and soil surfaces and by transpiration from plants. Also known as fly-off; total evaporation; water loss.


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The range of evapotranspiration was 1 percent to 16 percent depending on the soil's moisture, according to lead researcher Sam Fernald.
Evapotranspiration is a combination of the evaporation of water into the atmosphere and the water vapor released by plants through respiration Au basically, a measurement of the water that leaves the land for the atmosphere, not water that is diverted or pumped onto land but then returned quickly to the water table or river for other users.
The state of Idaho's Mapping Evapotranspiration program enhances the understanding of agricultural water usage in the state through the development of satellite technology, This information is integral to settling water demand conflicts and preserving wildlife habitats.
 
 
 
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