GEOG 322 Lecture Notes - Lecture 5: Evapotranspiration, Stoma, Evaporation
14 Feb 2020
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Evaporation = water to air where it comes in contact with air higher temperature more energy that the air can hold more moisture. Stomata open and close to let in water / nutrients etc. When you put the two together variables that affect evapotranspiration. Warmer temperature = more evapotranspiration if its too high plant may shut down: plants have a range in which they do well in. Easier for water to go through dry air then wet air. Solar radiation = more evapotranspiration in the tropics. Dry soil not enough water to percolate up and transpire. Potential evapotranspiration evapotranspiration from a surface when all surface-atmosphere interfaces are wet so there is no restriction on the rate of evapotranspiration from the surface. For example: evap from open water ea=ep because there is unlimited water supply, at that point in open water sources . Amount of energy that will occur: occurs in reality in open water sources / saturation is occurring.
