The earth’s spherical surface is surrounded by a thick of air, this is called the atmosphere. This atmosphere.is necessary for all atmospheric phenomena and life activities on the ground. All this is studied under climatology. The various layers of the atmosphere are important, useful and basic resource for envelope.
The atmosphere is also a Very variable component in context to other components of physical geography. Under this weather conditions, atmospheric long – term and short – term conditions are included. Under these atmospheric phenomena, the structure of the atmosphere, height, temperature, air pressure, speed of winds, direction and origin of winds variations of humidity, air pollution, the climate of the world, cloudiness, rain, etc. are included.
