Guncha Pravin , asked a question
Subject: Social Science , asked on 22/11/11

why most of the worlds desert are located in the western margins of continents in the subtropics?

Ripsa Rani , added an answer, on 22/11/11
206 helpful votes in Social Science

Deserts are most common in the western margins of the continents in the tropics .

--because of the cold ocean currents along the western margin of the continents. the air that blows over the cold ocean currents becomes cold and there by the moisture is sucked , this makes the region devoid of moisture and rainfall.
--the prevailing winds in the tropics are tropical easterly winds ,the tropical easterly winds become dry by the time they reach the western margins of the continents and so they bring no rainfall.

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