Climatology

What is Humidity; Absolute, Specific, Relative Humidity

Denver Kunaka Last edited:November 13, 2020

Table of Contents

Humidity is the water vapour content in the atmosphere.3 forms of humidity are:

Absolute Humidity

The amount of water vapour in the air e.g 6grams in a cubic metre of air.

Specific Humidity(Mixing Ratio)

The mass of water vapour contained in a unit mass of dry air.Formula:mass of water vapour in grams/mass of dry air in kg,expressed as g/kg.

Relative humidity

The amount of water vapour present in the air to its potential water vapour capacity at a given temperature (saturated air=100% relative humidity).Warm air is able to hold more water vapour than cold air thus:

Temperature RISE=more water vapour needed=FALL in relative humidity
Temperature FALL=less water vapour needed=RISE in relative humidity

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About Author

Denver is a Geographer, Web Developer, Graphic Designer, Blogger & Digital Marketer. He has come to know that everyday there's something new to learn :-)