Chapter 3, Section 3World Climate Regions

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Tropical Wet• Little variation in temperature• Average temperature of 80 degrees F• Days sunny, afternoon showers, almost daily• More than 80 inces of rain a year• Look at map on page 60-61:

-Identify five countries that have tropical wet climate

-How might life be different in these regions? What struggles do you think exist there? What resources?

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Tropical Wet and Dry

• Subregion of Tropical Wet

• Rainy summer season, dry winter season

• Temperatures cooler in dry season, warmer in wet season

• Regions surround Tropical Wet

-Identify five countries that have tropical wet and dry climate

-Describe life here

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Semi-Arid Climate• Receives about 16 inches of rain per year• Summers hot; winters mild to cold; can

produce snow• Located in interior of continents or around

desert zones-Identify five countries that have semi-

arid climates-typically what latitude are semi-arid

climate zones?-discuss how life may be in these areas

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Desert• Categorized according to amount of rainfall• Less than 10 inches of rain per year• Hot deserts - Sahara, Arabian: low humidity,

high temperatures during day; cooler temperatures at night

• Cool/cold deserts - found mostly in Northern Hemisphere, form because of orographic rainfall, summers are hot, winters cool

-what countries have deserts?-what lifestyle is sustainable?-characteristics of desert areas?

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Mediterranean• Named for land around Mediterranean sea

• Summers dry and hot, winters cool and rainy

• A lot of agricultural activity, densely populated

-Identify countries in world

-why do you think these areas are densely populated?

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Marine West Coast Climate

• Located close to ocean

• Frequently cloudy, foggy, damp

• Constant temperatures because of warm oceans

• Precipitation evenly distributed throughout year– Identify areas in world– What is life style like there?

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Humid Subtropical• Long summers, high humidity• Found on east coasts of continents• Subject to hurricanes• Suitable for agriculture

– Where? – What is life like there?– Why do you think hurricanes affect these areas?– How do ocean and wind currents affect this

climate?

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Humid Continental

• Found in mid-latitude zones of Northern Hemisphere

• Great variety in temperature and precipitation

• Four distinct seasons

– Where?– Life there?

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Subarctic Zone

• Evergreen forests - taiga

• Temperature variations

• Summers = short, cool; Winters = very cold

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Tundra Climate

• Treeless lands around Arctic Ocean

• Located in Northern Hemisphere

• Less than 15 inches precipitation per year

• Permafrost - subsoil that is constantly frozen

Ice Cap

• Snow, ice, permanently freezing temperatures

• Polar deserts: less than 10 inches of precipitation

• 128.6 below in Antarctica