The ‘Hadley Cell’ is a global scale tropical atmospheric circulation that features air rising near:
The Hadley Cell is the primary circulation loop in the tropics. It begins with air rising at the equator due to intense solar heating. This air travels poleward in the upper atmosphere, cools and then sinks at approximately 30° latitude. This cycle is fundamental to creating the tropical rain belts and the world’s subtropical deserts. ANSWER: (B) The Equator
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Named after George Hadley, this cell explains the trade winds and the distribution of global rainfall. At the “Equatorial Low,” air is heated until it becomes buoyant and rises, creating a zone of low pressure and heavy precipitation. As the air reaches the tropopause, it spreads toward the North and South Poles. Around 30° latitude, the air has cooled enough to become dense and sink, creating “Subtropical Highs.” This descending air is dry, which is why most of Earth’s major deserts are located at these latitudes. The air then returns to the equator at the surface, completing the loop.
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