Why most of the world's deserts are located in the western margins of continents in the subtropics?
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Because of the "Rain Shadow" effect.
A rain shadow is an area of dry land that lies on the leeward (or downwind) side of a mountain. Winds carry air masses up and over the mountain range and as the air is driven upward over the mountain, falling temperatures cause the air to lose much of its moisture as precipitation. Upon reaching the leeward side of the mountain, the dry air descends and picks up any available moisture from the landscape below. The resulting profile of precipitation across the mountain is such that rainfall and moist air prevails on the windward side of a mountain range while arid, moisture-poor air prevails on the leeward side of the mountain range.
And what is the 'rain shadow' effect?? plz tell in brief.
The world 's desert are located in the western margin of continents in the subtropics because:
nyc yr.. thnx i filled my notebok..
it is because of cold ocean current
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