anybody knows the differences between absolute humudity and specific humidity?

Question

anybody knows the differences between absolute humudity and specific humidity?

Answer 1

Humidity is the amount of water vapor in an air sample. There are three different ways to measure humidity: absolute humidity, relative humidity, and specific humidity. Relative humidity is the most frequently encountered measurement of humidity because it is regularly used in weather forecasts. It’s an important part of weather reports because it indicates the likelihood of precipitation, dew, or fog. Higher relative humidity also makes it feel hotter outside in the summer because it reduces the effectiveness of sweating to cool the body by preventing the evaporation of perspiration from the skin. This effect is calculated in a heat index table. Warmer air has more thermal energy than cooler air; thus more water molecules can evaporate and stay in the air in a vapour state rather than a liquid state. This may be why people erroneously state that warmer air "holds" more moisture — in warmer air, there is more energy for more water molecules to hold themselves in the air (and overcome hydrogen bonds which seek to pull water molecules together).

Answer 2

Good question. OK here's your answer. Absolute humidity is the weight of water volume in a given volume of air expressed as grams per cubic meter. Specific humidity is the weight of water vapor per weight of a chosen mass of air, including the water vapor. Since it is measured in units of weight, specific humidity is not affected by changes in pressure or temperature. Relative humidity is the ratio of the air's water vapor content to its water vapor capacity at a given temperature. Hope this helps a little.

Answer 3

Absolute humidity of a sample of air is the mass of water vapour contained in a given volume of moist air.It is generally expressed in grams per cubic metre.
Specific humidity is the amount of water vapour in grams contained in one gram of moist air.

Answer 4

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