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Heat Budget Video Lecture | Geography for UPSC CSE

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FAQs on Heat Budget Video Lecture - Geography for UPSC CSE

1. What is a heat budget?
Ans. A heat budget refers to the balance between the incoming and outgoing heat energy in a system or a specific region. It accounts for all the factors that contribute to the heating or cooling of a system, such as solar radiation, atmospheric processes, and heat exchange with the surroundings.
2. How is solar radiation involved in the heat budget?
Ans. Solar radiation plays a crucial role in the heat budget as it is the primary source of heat energy for the Earth. The incoming solar radiation, also known as insolation, warms the Earth's surface and is a major factor in determining the overall heat balance of the planet.
3. What are the factors affecting the heat budget of a region?
Ans. Several factors influence the heat budget of a region. These include latitude, altitude, air masses, ocean currents, cloud cover, land cover, and surface albedo. Each of these factors can affect the amount of solar radiation absorbed or reflected by the Earth's surface, thus influencing the heat budget.
4. How does heat exchange with the surroundings affect the heat budget?
Ans. Heat exchange with the surroundings, such as the transfer of heat between the atmosphere and the ocean, has a significant impact on the heat budget. This exchange can occur through various processes like conduction, convection, and radiation. The magnitude and direction of these heat exchanges can influence the overall heat budget of a region.
5. How does the heat budget relate to climate change?
Ans. The heat budget is closely linked to climate change as it determines the energy balance of the Earth. Any changes in the heat budget, such as an increase in greenhouse gas concentrations or alterations in land cover, can lead to an imbalance in the system and drive climate change. Understanding and monitoring the heat budget is essential for studying and predicting the impacts of climate change.
180 videos|475 docs|198 tests
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