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8. SOLAR RADIATION, HEAT BALANCE AND TEMPERATURE

The chapter delves into solar radiation, its heat balance, and temperature distribution across the Earth. It discusses the processes that govern how the Earth's atmosphere absorbs and redistributes solar energy, emphasizing factors such as latitude, altitude, and distance from the sea. Additionally, the chapter examines temperature variations and their implications for climate.

Sections

  • 8

    Solar Radiation, Heat Balance And Temperature

    This section covers the principles of solar radiation, its effects on the Earth’s heat balance, and temperature distribution influenced by various factors.

    Learning Practice

  • 8.1

    Solar Radiation

    The section discusses solar radiation, its distribution on Earth, and the various processes involved in heating and cooling the atmosphere.

    Learning Practice

  • 8.1.1

    Variability Of Insolation At The Surface Of The Earth

    This section discusses how the intensity and amount of solar radiation, or insolation, vary across time and space on Earth due to several factors.

    Learning Practice

  • 8.1.1.1

    The Passage Of Solar Radiation Through The Atmosphere

    Solar radiation interacts with the Earth's atmosphere, where some wavelengths are absorbed and scattered, influencing temperature and weather patterns.

    Learning Practice

  • 8.1.1.2

    Spatial Distribution Of Insolation At The Earth’s Surface

    The section examines the variability of insolation across different parts of the Earth, highlighting the factors affecting solar energy received at the surface.

    Learning Practice

  • 8.2

    Heating And Cooling Of Atmosphere

    The section discusses how the atmosphere is heated and cooled, detailing processes such as solar radiation, conduction, convection, and advection, and their effects on temperature distribution on Earth.

    Learning Practice

  • 8.2.1

    Terrestrial Radiation

    Terrestrial radiation refers to the heat emitted by the Earth's surface, which is essential for maintaining temperature balance in the atmosphere.

    Learning Practice

  • 8.2.2

    Heat Budget Of The Planet Earth

    The heat budget of the Earth describes the balance between incoming solar radiation and outgoing terrestrial radiation, ensuring a stable temperature on the planet.

    Learning Practice

  • 8.2.2.1

    Variation In The Net Heat Budget At The Earth’s Surface

    This section explores how the Earth's surface experiences variations in net heat budget due to solar radiation and geographical factors, leading to differences in temperature and climate.

    Learning Practice

  • 8.2.3

    Temperature

    This section explores the concepts of temperature, solar radiation, and heat balance, explaining how the distribution of insolation affects temperatures on Earth.

    Learning Practice

  • 8.2.3.1

    Factors Controlling Temperature Distribution

    This section discusses the various factors that influence temperature distribution across the Earth's surface, including latitude, altitude, distance from the sea, and the effects of air masses and ocean currents.

    Learning Practice

  • 8.2.3.2

    Distribution Of Temperature

    The section explores how temperature varies globally due to solar radiation, atmospheric conditions, and geographical factors.

    Learning Practice

  • 8.3

    Inversion Of Temperature

    Inversion of temperature refers to the phenomenon where temperature increases with altitude rather than decreasing, which is common during certain conditions such as clear nights.

    Learning Practice

  • 8.4

    Exercises

    This section provides multiple exercises designed to reinforce knowledge about solar radiation, heat balance, and temperature.

    Learning Practice

References

NCERT Study Material

Class Notes

Memorization

What we have learnt

  • The Earth receives energy m...
  • Heat transfer in the atmosp...
  • Temperature varies signific...

Final Test

Revision Tests

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