Water Vapor
Octafluoropropane
Ozone
HFC
Carbon Dioxide
Methane
CFC 12
Nitrous Oxide
Stretching Vibration
Bending Vibration
Wavenumber (cm-1)
Relative Intensity
0
1
IR Spectra of Greenhouse Gases
Greenhouse Gas Atmospheric Residence Time (years) Global Warming Potential
Carbon Dioxide 50-200 1
Methane 12 25
HFC-134a 14 1430
Nitrous Oxide 114 298
CFC-12 100 10900
Octafluoropropane 2600 8830
Water Vapor Variable Variable
IR Windows for Greenhouse Gases