Insolation and Temperature: Horizontal & Vertical — Chapter Summary
Telangana Open School (TOSS) · Class 12 · Geography
Summary of Insolation and Temperature: Horizontal & Vertical for Telangana Open School (TOSS) Class 12 Geography.
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Overview
The Sun is the primary source of energy for Earth. The energy received from the Sun in the form of short waves is called insolation. This energy heats the Earth's surface, which in turn warms the atmosphere. The distribution of temperature across the globe is not uniform and varies both horizontally
Key Concepts
Insolation refers to the incoming solar
Insolation refers to the incoming solar radiation received by the Earth in the form of short waves. It is the primary source of heat and energy for Ea
The heat budget is the balance
The heat budget is the balance between the amount of solar radiation received by the Earth (insolation) and the amount of heat radiated back into spac
Global warming is the gradual increase
Global warming is the gradual increase in Earth's average atmospheric temperature due to increased greenhouse gases like carbon dioxide and depletion
The variation of temperature across latitudes
The variation of temperature across latitudes and regions on Earth’s surface, influenced by factors like latitude, land-sea contrast, ocean currents,
The change in temperature with altitude
The change in temperature with altitude in the atmosphere. Normally, temperature decreases with height at a rate of about 6°C per 1000 meters, known a
Learning Objectives
- Explain the importance of insolation and the relationship between the angle of incidence and heat intensity.
- Describe the processes of radiation, conduction, convection, and advection in atmospheric heating.
- Understand the Earth's heat budget and the balance between incoming and outgoing radiation.
- Explain the causes and effects of global warming.
- Identify the factors affecting horizontal and vertical temperature distribution.
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Sources & Official References
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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