what is the difference between evaporation and evapotranspiration?
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Evaporation (transformation of liquid water to water vapor) and transpiration (water vapor emission from plant surfaces) are outflow processes of water budgets. Evapotranspiration (ET) is the combined process of water surface evaporation, soil moisture evaporation, and plant transpiration.
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Difference in Definition Evaporation is the process of changing a liquid into gas. This is done by applying heat to the liquid so the molecules at the surface easily changes into vapor. Distillation, on the other hand, is a process which is made up of acquiring vapor or gas from liquids.
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The amount of water vapor in the air, or humidity, depends on evaporation. Evaporation depends on water temperature -- as water warms, more molecules evaporate from its surface. Water in cooler air evaporates less and water in warmer air evaporates more and faster -- hence the relationship between heat and humidity.
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Evaporative Cooling. An evaporative cooler is a device that cools air through the evaporation of water. ... The temperature of dry air can be dropped significantly through the phase transition of liquid water to water vapor (evaporation), which can cool air using much less energy than refrigeration.
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Evaporation is used to separate a solid substance that has dissolved in water(or any other liquid). Crystallisation is a process of colling a hot,concentrated solution of a substance to obtain crystals.
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Evaporative cooler. ... Evaporative cooling uses the fact that water will absorb a relatively large amount of heat in order to evaporate (that is, it has a large enthalpy of vaporization). The temperature of dry air can be dropped significantly through the phase transition of liquid water to water vapor (evaporation).
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Actual evapotranspiration or AE is the quantity of water that is actually removed from a surface due to the processes of evaporation and transpiration. ... Potential evapotranspiration requires energy for the evaporation process. The major source of this energy is from the Sun.
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Condensation is the change from a vapor to a condensed state (solid or liquid). Evaporation is the change of a liquid to a gas.
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Differences Between an Evaporative Cooler and Air Conditioner. Generally, air conditioners use refrigerants to remove heat and moisture from inside a space. ... Evaporative coolers use some sort of water-soaked medium that air is pulled through by a fan.
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Distinguish between evaporation and boiling. Evaporation happens at a liquid surface, whereas boiling occurs in the bulk of the liquid. ... Boiling is a cooling process, so energy is removed as quickly as it is added.
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Evaporation may occur when the partial pressure of vapor of a substance is less than the equilibrium vapour pressure. Boiling is a phase transition from the liquid phase to gas phase that occurs at or above the boiling temperature. ... Evaporation is a surface phenomenon whereas boiling is a bulk phenomenon.
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1. Evaporation occurs on the surface of the liquid whereas boiling occurs at the entire length of liquid. 2. Boiling occurs rapidly whereas evaporation occurs slowly.
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The evaporation of water is a physical change. When water evaporates, it changes from the liquid state to the gas state, but it is still water; it has not changed into any other substance.
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Evaporation happens when a liquid turns into a gas. ... In these examples, the liquid water is not actually vanishing—it is evaporating into a gas, called water vapor. Evaporation happens on a global scale.
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Global warming affects evapotranspiration—the movement of water into the atmosphere from land and water surfaces and plants due to evaporation and transpiration— which is expected to lead to: Increased drought in dry areas.
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Evaporation is used to separate a solid substance that has dissolved in water(or any other liquid). Crystallisation is a process of cooling a hot,concentrated solution of a substance to obtain crystals. Evaporation : Conversion of liquid into gas. There is no crystal formation.
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The difference depends on the supply of heat: Evaporation can take place at any temperature while boiling happens only at the boiling point. Another difference is, evaporation takes place only at the surface of the liquid while the boiling is a bulk process where vaporization takes place throughout the liquid.