03temperature.big

03temperature.big - Ch 2 3 Temperature Variations Seasonal...

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1 Ch. 2, 3: Temperature Variations • Seasonal Variation Insolation Earth Tilt and Solar Angle Daylight Length • Daily Variation Daytime Warming Nighttime Cooling • Controls of Temperature • Measurement and Perception of Temperature
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2 Insolation and Earth Seasons Insolation: cumulative amount of solar radiation energy received by the Earth’s surface in one day Intensity Duration t
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3 • Seasons are regular, annual variations in temperature and/or climate Results from variation of insolation during the course of a year January (Perihelion) July (Aphelion)
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4 Earth’s Tilt in Space 23.5°
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5 Earth’s Tilt in Space
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6 Earth’s Tilt in Space 23.5° Tropic of Cancer 23.5°N latitude circle Tropic of Capricorn 23.5°S latitude circle
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7 March 20 June 21 September 22 December 21
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8 Seasons and Solar Altitude Summer Hemisphere Winter Hemisphere
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9 Seasons and Daylight Length Equinox
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10 Seasons and Daylight Length Winter Solstice Summer Solstice
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11 Seasons and Daylight Length Summer Solstice Winter Solstice
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03temperature.big - Ch 2 3 Temperature Variations Seasonal...

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