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Unformatted text preview: Solar Energy Chapter 2, Earth Science • December 22 “Winter Solstice” the opposite of the summer solstice. Antarctic always sunny, arctic always dark. • Get lots of agriculture from South America because it is their summer season during our winter. • March 21 st “Vernal Equinox”… the same as Autumnal Equinox Global Temperature changes • The polaris wobbles every 100 thousand years or so…. Explains the ice age • 150 years ago “little ice age”… lasted around 300 years • “malikovitch cycle” • 18,000 years ago, the coastline was much further than it is today… if the current trend of glacier melting continues, the coastline will move up to the memphis area…. We May have to relocate a lot of people. Earth Science Solar Energy Chapter 2, Earth Science...
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This note was uploaded on 08/18/2008 for the course GEOG 1710 taught by Professor Byers during the Spring '08 term at North Texas.
- Spring '08