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12 Cards in this Set
- Front
- Back
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Latitude
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average temperature decreases north and south from equator
Due to: a) sun's rays spread over greater area b) sun's rays pass obliquely through thicker layer of atmosphere |
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Time of Year or Seasonal Variation
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temperature fluctuates most in the Temperate Zone
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Summer Solstice
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June 21 or 22, when earth's axis is tilted 23 1/2o towards sun.
Warmer due to: a) sun's rays concentrated over smaller area b) sun's rays travel through thinner layer of atmosphere c) days longer |
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Winter Solstice
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Dec. 21 or 22, when earth's axis is tilted 23 1/2o away from sun
Colder due to: a) sun's rays spread over larger area b) sun's rays pass obliquely through thicker layer of atmosphere c) shorter days |
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Vernal or Spring Equinox
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March 20 or 21, when earth's axis is oriented oblique to,
but neither towards nor away from, the sun |
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Autumnal or fall equinox
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Sept. 22 or 23, when earth's axis is oriented oblique to,
but neither towards nor away from, the sun |
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seasons
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caused by the unique tilt of earth and orientation to sun
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Time of the day
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a) minimum average temperature: just before sunrise
b) maximum average temperature: mid-afternoon |
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Elevation or Altitude
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a) small scale - hot air rises, cold air sinks into low areas
b) large scale - the temperature decreases 0.6 oC/100 m or 1 oF/330 ft increase in altitude |
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Slopes
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warmest to coldest slopes of a hill or side of a building: south > west > east > north
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water bodies
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stabilizes temperature; warmer in winter, cooler in summer
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Soils
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a) dark soils warm faster than light soils in spring
b) dry soils warm faster than moist soils in spring |
