Dew
See also: Dew (homonymy)
The dew is the result of the Condensation of the vapor of Eau contained in the Air. It appears in the form of droplets and settles the evening and the morning on the plants and other bodies exposed to the free air when the temperature of the ground or any other surface drops at the point to start the condensation of the steam contained in the close layer of air. The ideal conditions for the appearance of the dew are: one night clear and calm, a wet Air close to the ground, a small percentage of moisture of the higher layer of air and, in general, a calm Wind (less than 5 km/h).
Indeed, the absence of Cloud and wind allows a strong radiation and an important cooling up to the point where the steam contained in the air condenses. The droplets of dew are formed then on all cold surfaces. In summer, this cooling is sometimes not important enough and moisture is too low to make it possible the dew to settle.
See too
- Dewpoint
- Evapotranspiration
- Mist
- OPUR (Organization For the Use of the Dew)
- International Conference one Fog, Fog Collection and Dew
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