Atmospheric Energy Balance and Solar Intensity Distribution

The video explains the atmospheric energy balance, focusing on the balance between incoming and outgoing solar energy. It discusses the intensity of solar energy reaching Earth, how it is distributed across the planet, and the processes of reflection, absorption, and radiation. The video also covers how energy is transferred through conduction and evaporation, and the role of greenhouse gases in absorbing energy. The overall energy balance is crucial for maintaining Earth's temperature equilibrium.

What is the intensity of solar energy when it reaches the Earth's atmosphere?

• 2000 watts per square meter

• 1000 watts per square meter

• 1361 watts per square meter

• 1500 watts per square meter

How is the average intensity of sunlight calculated across the Earth's surface?

• By multiplying by the Earth's circumference

• By dividing by the Earth's radius

• By dividing by 4

• By multiplying by 2

What percentage of solar energy is reflected back into space?

• 10-15%

• 40-45%

• 50-55%

• 29-30%

Which part of the Earth's surface primarily reflects solar energy?

• Oceans

• Ice and snow

• Forests

• Deserts

What percentage of solar energy is absorbed by the atmosphere on its way in?

• 10%

• 50%

• 23%

• 35%

How much of the solar energy reaching the Earth's surface is transferred back to the atmosphere through evaporation?

• 30%

• 5%

• 10%

• 25%

What process contributes to 5% of the energy transfer from the Earth's surface to the atmosphere?

• Conduction

• Evaporation

• Radiation

• Convection

What percentage of the total incoming energy is absorbed by the atmosphere through convection and evaporation?

• 50%

• 30%

• 40%

• 20%

What happens to the energy that is not absorbed by the atmosphere or the Earth's surface?

• It is stored in the Earth's core

• It is converted into chemical energy

• It is reflected back into space

• It is absorbed by the oceans

What is the result of a slow flux of energy into and out of the atmosphere?

• A constant increase in atmospheric pressure

• An equilibrium temperature

• An increase in global temperatures

• A decrease in global temperatures