# Climate Regions: Geography Factors and World Systems
> Explore global climate regions, South Africa's climate factors, and weather elements like latitude, altitude, and ocean currents in this Grade 8 guide.

Tags: geography, climate-regions, south-africa-climate, weather-elements, latitude, altitude, ocean-currents, education
## Climate Regions Overview
* Grade 8 Geography focus with a breakdown of climate systems.
* Distinguishes between Weather (short-term) and Climate (long-term average over 30+ years).

## Factors Influencing Temperature and Rainfall
* **Latitude:** Proximity to the Equator results in higher temperatures; intensity of sun rays decreases toward the poles.
* **Distance from Sea:** Coastal areas have moderate/small temperature ranges; inland areas experience extreme ranges.
* **Altitude:** Temperature drops approximately 6.5°C for every 1,000 meters in elevation.
* **Ocean Currents:** Warm currents (like Agulhas) bring rain and warmth; cold currents (like Benguela) bring dry, cool conditions.
* **Mountains (Relief):** Features include the windward side (wet/rising air) and the leeward side (rain shadow/dry).

## South Africa's Climate Case Study
* Covers 12° of latitude and various altitudes from plateaus to coastal plains.
* Examples: Durban (Coastal/Subtropical) vs. Upington (Inland/Extreme Range).
* The Drakensberg effect: Trapping moisture on the east while the west remains dry.

## Elements of Weather
* **Temperature:** Measured in °C with thermometers.
* **Humidity:** Moisture content in the air; hot air holds more moisture.
* **Wind:** Measured by anemometers (speed) and wind vanes (direction); utilizes the Beaufort Scale (Force 0-12).
* **Precipitation:** Includes rain, snow, hail, and dew.

## World Climate Types
* **Tropical & Subtropical:** Hot all year, significant rainfall.
* **Temperate & Continental:** Found in mid-latitudes with distinct seasons.
* **Desert & Semi-Desert:** Defined by receiving less than 250mm of rain per year.
* **Polar:** Cold extremes located near the North and South poles.
* **Mediterranean:** Known for hot, dry summers and cool, wet winters (e.g., Cape Town).
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