Climate Change (1)

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Climate Regions
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Scientists Classify Climate According to Two
Major Factors

• Temperature
• Precipitation

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Köppen (KEP un) System

• Included distinct vegetation in different areas.
• Identifies broad climate regions
• Each has smaller subdivisions

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Six Main Climate Regions

• Tropical Rainy
• Dry
• Temperate Marine
• Temperate Continental
• Polar
• Highlands

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Tropical Rainy Subdivisions

• Tropical Wet Always hot and humid Heavy
  rainfall 6 Centimeters per month all year long.

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Tropical Wet

• Rainforest

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Tropical Rainy Subdivisions

• Tropical Wet - and - Dry Always hot
  Alternating wet and dry seasons Heavy rainfall
  in the wet season.

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Tropical Wet - Dry

• Savanna Grassland close to the equator 120
  centimeters of rain per year.

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Dry Climate Subdivisions

• Arid Arid Regions/Deserts Less than 25
  centimeters of rain Hot and Sandy, Cold or Rocky.

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Dry Climate Subdivisions

• Semi-Arid Dry 25-50 centimeters of
  precipitation per year.

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Semi-arid

• Steppe prairie or grassland

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Temperate Marine Climate Subdivisions

• Marine West Coast Mild winters Cool summers
  Moderate precipitation all year.

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Temperate Marine Climate Subdivisions

• Mediterranean Warm Dry summers Rainy winters.

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Temperate Marine Climate Subdivisions

• Humid Subtropical Hot summers Cool winters

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Temperate Continental Climate Subdivisions

• Humid Continental Hot, humid summers Cold
  winters moderate precipitation all year.

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Temperate Continental Climate Subdivisions

• Subarctic Short, cool summers Long, cold
  winters Light precipitation mainly in summer.

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Polar Climate Subdivisions

• Icecap Always below freezing ( At or below 0º
  Celsius).

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Polar Climate Subdivisions

• Tundra Always cold Short, cool summers
  Bitterly cold winters.

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In The Tundra

• Permafrost Permanently frozen soil cannot
  drain wet and boggy in summer.

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Highlands

• Highlands Cooler and wetter than nearby
  lowlands. (Temperature decreases with altitude)