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Online Geography Resources

 

The Atmospheric System

IB DP Geography
       
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Base Knowledge and Understanding

Base knowledge and understanding

 
Video Clip
Data Visualization
   
Definition  
 
 
 
 
 
News Article
Words to be defined
 
Base Level

Context

 

The aim of this lesson:

  • To be able to describe the functioning of the atmospheric system in terms of the energy balance between solar and long wave radiation.
  • To be able to explain the changes in this balance due to external forcings - changes in solar radiation, changes in the albedo of the atmosphere and changes in the longwave radiation returned to space.
 

Option 1

Take notes by hand
Take notes by hand - no note-taking frame

Option 2

Google Documents note-taking frame
Take digital notes using this Google Documents note-taking frame
 
Geography Activities
Geography Activities

Energy Balance Between Solar and Long Wave Radiation

  1. What is solar radiation?
  2. What is long wave radiation and how is it different from solar radiation?
  3. Produce one 'super diagram' (that you understand) that combines the two diagrams above. Your 'super diagram' should show the balance of energy in the atmospheric system.
Geography Activities

Synthesis

Geography Activities
Geography Activities

External Forcing - Changes in Solar Radiation

  1. What are sunspots? How are they linked with the amount of solar radiation the earth receives?
  2. Describe the pattern of sunspot activity.
  3. What is the link between sunspot activity and global temperature anomalies?
Geography Activities
Geography Activities

External Forcing - Changes in the Albedo of the Atmosphere

  1. What is albedo?
  2. Use figures from the table above to describe how the albedo of the atmosphere can change the amount of solar radiation arriving at the ground surface.
  3. Use figures from the table above to describe how the albedo of the ground surface can change the amount of long wave radiation emitted by the earth.
Geography Review

Review

Attempt these possible exam style questions:

Describe the energy balance between solar and long wave radiation in the atmospheric system [5 Marks]

Explain the changes in the balance between solar and long wave radiation due to external forcing [5 Marks]

Explain the changes in solar and long wave radiation due changes in the albedo of the atmosphere [5 Marks]

 
Geography Resource
 

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