Question
Distinguish between ‘Ar’ and ‘Aw’ climates.
Solution
i. ‘Ar’ climates belongs to the climate groups of tropical humid climate and the climatic type of tropical wet (Ar). The symbol of this type of group is ‘A’. The tropical wet (Ar) extends approximately 5° to 10° latitude on either side of the equator. Along eastern margins of continents, this type of climate is under the influence of I.T.C.Z. and the sub-tropical jet-streams. It is also known as tropical rainforest.
ii. ‘Aw’: ‘Aw’ belongs to the tropical wet and dry climate. It is dominated by dry trade winds. In this region, average precipitation is less than the one in tropical wet climate. The winters are dry seasons. This type of climate is called Savanna climate because of the tall grasses that grow between trees and thorny bushes.
