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Unit G3a: Theme 3 Climatic Hazards  
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  ESSAY MARK BAND CRITERIA  
     
Key Idea 1.1

How does global atmospheric circulation give rise to global climatic zones?

Insolation imbalances  
   
Atmospheric motion  
   
Tricellular Model  
   
Winds and Pressure Belts  
     
     
Key Idea 1.2

Why do seasonal and periodic variations of climate occur?

 

Tropical seasonal variations  
   
Tropical Continental (Savanna type) seasons  
   
Short Term periodic variations  
   
Longer Term periodic variations  
     
     
Key Idea 1.3

What are the world's major climates?

 

Overview model of climate distribution  
   
Tropical climates  
   
Tropical Continental (Savanna type)  
   
Temperate climates  
     
     
Key Idea 1.4

What are the causes of low pressure and high pressure hazards? (either Tropical or Temperate)

 

Role of Rossby Waves and Jet Streams  
   
Impact factors (hazard)  
   
Causes of low pressure hazards (Tropical)  
   
Causes of high pressure hazards (Tropical)  
     
     
Key Idea 1.5

What are the inter-relationships between human activity and climate? (either Tropical or Temperate)

 

Short and long term effects of low  and high pressure hazards  
   
One specific case study - low pressure hazard  
   
One specific case study - high pressure hazard  
   
The impact of human activity on climate  
     
     
Key Idea 1.6

What strategies are used to reduce the impact of climatic hazards?

 

Strategies to reduce impact of human activity on climate  
     
Strategies to reduce impact of high pressure climatic hazards    
     
Strategies to reduce impact of low pressure climatic hazards    
     
Assessment of the success of strategies for reducing either low pressure or high pressure climatic hazards