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Periodic & Local Winds Video Lecture | Geography for UPSC CSE

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FAQs on Periodic & Local Winds Video Lecture - Geography for UPSC CSE

1. What are periodic winds?
Ans. Periodic winds are winds that occur at regular intervals and are influenced by the Earth's rotation and temperature differences between land and water. They include sea breezes, land breezes, and monsoons.
2. How are sea breezes formed?
Ans. Sea breezes are formed when the land heats up faster than the adjacent body of water during the day. The warm air over the land rises, creating a low-pressure area, while the cooler air over the water rushes in to fill the void, resulting in a sea breeze.
3. What is the difference between a sea breeze and a land breeze?
Ans. The main difference between a sea breeze and a land breeze is the direction of the wind. A sea breeze blows from the sea towards the land during the day, while a land breeze blows from the land towards the sea at night. This is due to the temperature differences between the land and water.
4. How do monsoons affect weather patterns?
Ans. Monsoons are seasonal winds that bring heavy rainfall to certain regions. They occur due to temperature differences between land and water, causing a change in atmospheric pressure. During the summer, land heats up faster, creating a low-pressure area, and moist air from the ocean flows in, bringing rain. In winter, the reverse happens, resulting in a dry season.
5. What are local winds and how do they differ from global winds?
Ans. Local winds are winds that occur on a smaller scale and are influenced by local topography and temperature differences. They include sea breezes, land breezes, mountain breezes, and valley breezes. Global winds, on the other hand, are large-scale winds that occur due to the Earth's rotation and temperature differences on a global scale, such as the trade winds and the westerlies.
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