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Pg tp-class16-worldwide temperature variations
 

Pg tp-class16-worldwide temperature variations

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    Pg tp-class16-worldwide temperature variations Pg tp-class16-worldwide temperature variations Presentation Transcript

    • Class 16: Worldwide Temperature Patterns
    •  Latitude  Season  Time of day
    • 1 2 3 4 0% 0%0%0% 1. Increases temp 2. Decreases temp 3. Increases temps in day, but decreases them at night 4. Increases temps at night, but decreases them during day
    • 1 2 0%0% 1. Increases temperature 2. Decreases temperature
    •  Atmospheric Obstruction (effect of clouds, gases, particulates)  Daylength  Latitudinal Radiation Balance
    •  Then where does the “extra” heat from the tropics go?
    • 1 2 3 4 5 20% 20% 20%20%20%1. Into the earth 2. Escapes into space 3. Hotter air rises in troposphere 4. Moves toward poles 5. All of above
    • 1 2 0%0% 1. Land 2. Water
    • 1 2 0%0% 1. Land 2. Water
    • 1 2 0%0% 1. Wichita, Kansas 2. San Francisco, CA (same latitude)
    • 1 2 0%0% 1. Wichita, Kansas 2. San Francisco, CA
    • Water has a moderating effect on temperature!
    • Movement And Mixing
    •  In the next slides, look at the color-coded isotherms (lines of equal temperature).  What patterns do you notice in the isotherms?  How do they change from January to July?
    •  Generally, Isotherms run east to west  Pulled northward in July, southward in January
    •  Generally, Isotherms run east to west  Pulled northward in July, southward in January  Areas covered by glaciers (Antarctica, Greenland) are cold all year round
    •  Generally, Isotherms run east to west  Pulled northward in July, southward in January  Areas covered by glaciers (Antarctica, Greenland) are cold all year round  In southern hemisphere, land other than Antarctica stays warmer in winter than land in northern hemisphere. Why?
    •  Generally, Isotherms run east to west  Pulled northward in July, southward in January  Areas covered by glaciers (Antarctica, Greenland) are cold all year round  In southern hemisphere, land other than Antarctica stays warmer in winter than land in northern hemisphere. Why?  Hottest areas in summer are interiors of continents  Coldest areas in winter are interiors of continents
    •  Generally, Isotherms run east to west  Pulled northward in July, southward in January  Areas covered by glaciers (Antarctica, Greenland) are cold all year round  In southern hemisphere, land other than Antarctica stays warmer in winter than land in northern hemisphere. Why?  Hottest areas in summer are interiors of continents  Coldest areas in winter are interiors of continents  Locations near the water (especially on windward side of continents) tend to be warmer in winter and cooler in summer