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Summary Grade 12 Geography Notes $6.75
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Summary Grade 12 Geography Notes

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This is an concise and detailed notes on Climalogy for IEB Geography. Notes are best used for revision and understanding concepts with visual represenation and terminology. Notes are accurate and suited for any study technique

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  • November 22, 2024
  • 11
  • 2024/2025
  • Summary
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1. Climatology
Thursday, 27 June 2024 14:14




GEOGRAPHY
1. Climatology
2. Settlements
3. Economic geography
4. Geomorphology
5. Mapwork



Topics
→ Mid-latitude cyclones
→ Anticyclones
→ Tropical cyclones
→ Synoptic weather chart
→ Valley and urban climates
GRADE 10 REVISION




MID -LATITUDE CYCLONES
Aka- Frontal Depression




GEOGRAPHY Page 1

, Aka- Frontal Depression




Area of development
⚫ Located in the middle or temperate latitudes
⚫ 30°- 60°N/S
⚫ Forms at polar front, where warm westerlies and cold polar easterlies meet

Conditions for development
⚫ Meeting of cold and warm air masses
⚫ Cause imbalance in energy distribution because of different temperatures
⚫ Difference in wind direction

Characteristics
⚫ Low pressure at center
⚫ Clockwise movement
⚫ Presence of cold front- Cold sector, area of cold air behind cold front
⚫ Presence of warm front- Warm sector, area of warm air behind warm front
⚫ West to East
⚫ Occur in families- two or more
⚫ Developed in winter from April to October in South Africa

Stages of development




Occlusion




Associated weather conditions




GEOGRAPHY Page 2

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