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Global Warming: CH 4 vs CO 2 A presentation by Elijah Adamos Joseph Lara
Global warming: -increase in global average surface temperature… What is a more potent greenhouse gas? Methane? Caron dioxide?
Methane CH 4 = 1.866ppm = 0.008432ppm yearly increase (1981-2008) = molecule traps heat 20 times more effectively than CO 2 = radiative forcing 0.48 W/m 2 Carbon Dioxide CO 2 = 386.3ppm = 1.6837ppm yearly increase (1981-2008) = radiative forcing 1.66 W/m 2
Surface Air Temperature Methane Standard deviation: 1.186
Surface Air Temperature Carbon Dioxide Standard deviation: 0.2361
Net Heating Methane Standard deviation: 1.292
Carbon dioxide Standard deviation: 2.498
Conclusion According to the models: 1.Methane causes greater surface air temperature changes. 2.Carbon Dioxide causes greater heating.
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