Lecture2_GEOG1400

Hemisphere winter winter solstice s hemisphere dec 20

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Unformatted text preview: Important Dates - Solstice ►June 20-22: 20 Summer Summer Solstice (N. Hemisphere) Winter Winter Solstice (S. Hemisphere.) ►Dec. 20-22: 20 Summer Summer Solstice (S. Hemisphere) Winter Solstice (N Hemisphere) Winter Solstice (N. Hemisphere) Important Dates Equinox Important Dates - Equinox ► March 20-22 20► September 20-22 20are the middle points in the earth’s orbit are between the solstices circle of illumination falls across both poles circle of illumination falls across both poles as as the earth rotates - every location spends 50% of the time in the dark and 50% of the 50% of the time in the dark and 50% of the time time in the light. light. BOTH BOTH HEMISPHERES - EQUAL SOLAR RADIATION RADIATION Summary Summary ► Earth-major Earth- zones Atmosphere reAtmosphere re-distribution and regulator of solar solar radiation ► Principal motions rotation rotation vs. revolution, distance vs. tilt of axis ► The Seasons equinox vs. solstice...
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This document was uploaded on 04/11/2014.

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