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19.tailpipes.global.warming

19.tailpipes.global.warming - Tailpipes and Global Warming...

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Tailpipes and Global Warming Introduction The Atmosphere The Carbon Cycle Combustion and Carbon Dioxide The “Greenhouse Effect” Global Warming Summary and Conclusions
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The Atmosphere Layer of gases that extends upwards 62,000 mi. Source of oxygen (21%), nitrogen (78%) and carbon dioxide (<1%). Acts as a freshwater distillery. Absorbs cosmic rays and UV radiation. Insulates the earth – the “greenhouse effect.”
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The Global Carbon Cycle
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The Greenhouse Effect Concept UV and visible light readily penetrate glass. IR energy (heat) does not – is trapped. Glass = atmosphere The floor = earth’s surface Think of your car’s black upholstery in the summertime.
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The Natural Greenhouse Effect
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Greenhouse Gases – Triatomic or Larger CO 2 , water vapor, ozone, nitrous oxide, methane, freons, NOx, SOx, etc. Need a central atom from which to vibrate. Keep global mean annual temperature at 15C.
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