Lecture 0123.pptx - Energy and Climate \u2013 Vision for the Future Michael B McElroy [email protected] Seasons Tilt of rotation axis Summary for

Lecture 0123.pptx - Energy and Climate – Vision for the...

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Energy and Climate – Vision for the Future Michael B. McElroy [email protected] January 23, 2018
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Seasons
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Tilt of rotation axis
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Summary for tilt/obliquity Current tilt of axis is 23.5 o Varies between about 22.1 o and 24.5 o Currently decreasing with time Approximately repeat interval of 40,000 years
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Global average surface temperature
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Land and Ocean Temperatures
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  • Global Warming, Greenhouse gas, IPCC, Influences

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