essay on pleasure o cyclines
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The cyclones are irregular wind movements involving closed air circulation around a low pressure centre. This closed air circulation is caused by atmospheric disturbances over and above the earth’s surface, coupled with the earth’s ‘rotation which imparts to these disturbances a whirling motion.
Cyclones are associated with destructive and violent disturbances, such as heavy squalls and torrential rainfall.
Significance of Cyclones:
The cyclones level down inequalities of pressure and wind movement over the globe. They play an important role in the complex process of heat exchange between various latitudinal zones. Cyclones have a bearing over the phenomenon of precipitation, especially in mid-latitude regions, by lifting up the moist air from oceans and taking it into the surrounding landmasses.
iii) Highly saturated atmospheric conditions.
Such conditions exist over the equatorial doldrums, especially in western margins of oceans, which have great moisture carrying capacity because the trade winds continuously replace the saturated air. Also, the whirling motion is enhanced when the doldrums are farthest from the equator. This happens during the autumnal equinox (August-September). At this time, there are two advantages—the air is overheated and the sun is exactly over the equator. The source of energy for the development of tropical cyclones is latent heat of condensation.
Conditions Favourable for Tropical Cyclones:
Various conditions are favourable for the formation of tropical cyclones. These are described below.
Source of Latent Heat:
Cyclones are associated with destructive and violent disturbances, such as heavy squalls and torrential rainfall.
Significance of Cyclones:
The cyclones level down inequalities of pressure and wind movement over the globe. They play an important role in the complex process of heat exchange between various latitudinal zones. Cyclones have a bearing over the phenomenon of precipitation, especially in mid-latitude regions, by lifting up the moist air from oceans and taking it into the surrounding landmasses.
iii) Highly saturated atmospheric conditions.
Such conditions exist over the equatorial doldrums, especially in western margins of oceans, which have great moisture carrying capacity because the trade winds continuously replace the saturated air. Also, the whirling motion is enhanced when the doldrums are farthest from the equator. This happens during the autumnal equinox (August-September). At this time, there are two advantages—the air is overheated and the sun is exactly over the equator. The source of energy for the development of tropical cyclones is latent heat of condensation.
Conditions Favourable for Tropical Cyclones:
Various conditions are favourable for the formation of tropical cyclones. These are described below.
Source of Latent Heat:
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