chapter 3 section 3 powerpoint
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CHAPTER 3 SECTION 3World Climate Regions
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WORLD CLIMATE REGIONS Temperature and precipitation define climate
regions.
Broad climate definitions help to identify variations in weather at a location over the course of a year.
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Place: This highland climate zone in Patagonia, South America, has several different climate regions including tundra and subarctic.
Question:
Examine the image and describe what kind of weather you expect at the different elevations?
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I. Defining a Climate RegionA. Typical Weather
1. Temperature and precipitation define climate.
2. Location, topography, elevation may impact climate.
3. Five general climate regions:a. tropical (low-latitude)
b. Dry
c. mid-latitude
d. high latitude
e. highland
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II. Types of ClimatesA. Tropical Wet
1. Always hot; daily rainfall adds up to more than 80” annually.
B. Tropical Wet and Dry1. Warm, wet summer season; cooler, dry winter season.
C. Semiarid1. Hot summers; mild to cold winters; little precipitation.
D. Desert1. Two kinds of desert—hot, cool/cold; less than 10” rain
per year.
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E. Mediterranean1. Summers dry and hot; winters cool and rainy.
F. Marine West Coast1. Moderate temperatures; frequently cloudy, foggy, damp.
G. Humid Subtropical1. Long periods of summer heat and humidity; winters mild
to cool.
H. Humid Continental1. Great variety of temperature, precipitation; four distinct
seasons.
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How are Mediterranean and Marine West Coast Climates different?
Mediterranean climate has a cool, rainy season and hot, dry summer, marine west coast has evenly distributed precipitation throughout the year.
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I. Subarctic1. Summers are short and cool; winters are long and very cold.
J. Tundra1. Tundra—flat, treeless ring of lands around the Arctic
Ocean.
2. Very little precipitation; summer temperatures around 40°F.
3. Permafrost is the constantly frozen subsoil found in this region.
K. Ice Cap1. Snow, ice, permanently freezing temperatures.
L. Highlands1. Climate varies with latitude, elevation, topography, location.
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What adaptations to the cold climate do you notice in this photograph?