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Chapter 18 humidity
Question | Answer |
---|---|
Evaporation | when water is being vaporized out of the air |
Condensation | when waer is being transferred from gas to a liquid |
Sublimation | When a liquid turns into a solid (vice versa.) |
Deposition | to subfreeze air. water becomes a solid without starting off as a liquid |
Capacity | the amount of water the air can hold |
Saturation | the maxiumum amount of water the air can hold |
psychrometer | a device to measure theR.H. of a certain area |
S.H. | The physical amonunt of water in the air |
Dew Point | The pint of specific temperature when the air is saturated |
R.H. | The ratio of water vapor in the air to the saturated air (expressed as a percentage) |
Condensation nuclei | tiny suspended particle, either solid or liquid |
Adiabatic temp. change | a process that takes place without a transfer of heat between the system and its surroundings |
moist lapse rate | .6 degrees for every 100 meters |
dry lapse rate | 1 degree for every 100 meters |