Which atmospheric circulation cell operates between the equator and approximately 30 degrees north latitude, influencing global wind belts that interact with regional monsoons affecting South Asia?

💡 Solution & Explanation

The Hadley Cell is a tropical atmospheric circulation feature where air rises near the equator, flows poleward at high altitudes, sinks at subtropical latitudes around 30 degrees, and returns toward the equator as surface trade winds. The Ferrel cell operates in mid-latitudes between 30 and 60 degrees, the Polar cell occupies high latitudes near the poles, and the Ekman spiral describes ocean current deflection with depth. Shifts in the Hadley cell and associated Intertropical Convergence Zone heavily modulate the onset and intensity of South Asian monsoons.