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Pressure Belts Video Lecture | Geography for UPSC CSE

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FAQs on Pressure Belts Video Lecture - Geography for UPSC CSE

1. What are pressure belts?
Ans. Pressure belts are large-scale atmospheric circulation patterns that encircle the Earth and are characterized by regions of high and low air pressure. They are caused by the uneven heating of the Earth's surface.
2. How many pressure belts are there?
Ans. There are three main pressure belts on Earth: the Equatorial Low Pressure Belt, the Subtropical High Pressure Belt, and the Subpolar Low Pressure Belt. These belts play a crucial role in determining global weather patterns.
3. What causes the formation of pressure belts?
Ans. Pressure belts are primarily formed due to the differential heating of the Earth's surface by the Sun. The areas near the equator receive more direct sunlight and experience a surplus of energy, leading to the formation of low-pressure regions. Conversely, the higher latitudes receive less direct sunlight and have cooler temperatures, creating high-pressure regions.
4. How do pressure belts influence weather patterns?
Ans. Pressure belts influence weather patterns by determining the movement of air masses and the formation of wind systems. They contribute to the development of trade winds, prevailing westerlies, and polar easterlies, which play a key role in the transport of heat and moisture across the globe. Pressure belts also influence the formation and track of tropical cyclones and other weather systems.
5. How do pressure belts affect climate?
Ans. Pressure belts have a significant impact on climate as they influence the distribution of heat and moisture around the Earth. They play a crucial role in shaping global climate patterns, such as the formation of monsoons, the occurrence of arid regions, and the development of climate zones. Changes in pressure belts can lead to shifts in climate patterns, affecting temperature and precipitation in different regions.
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