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climate
The prevailing or average weather conditions of a geographic region. Weather conditions include temperature, rainfall, sunshine, wind, humidity, and cloudiness. Climates may be classified into groups. The system most used today os that of Vladimir Köppen, with five categories (A, B, C, D, E), broadly defined as follows:
A Equatorial and tropical rainy climates;These categories correspond to a great extent to zoning by latitude; this is because the closer to the equator an area is, the more direct the sunlight it receives and the less the amount of atmosphere through which that sunlight must pass. Other factors are the rotation of the Earth on its axis (diurnal differences) and the revolution of the Earth about the Sun (seasonal differences).
B Arid climates;
C Warmer forested (temperate) climates;
D Colder forested (temperate) climates; and
E Treeless polar climates.
Related categories
• ECOLOGY AND THE ENVIRONMENT
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