The Atmospheric Spectrum

Atmospheric spectra showing absorption features of each molecule. Spectra are calculated using the RFM line-by-line model with HITRAN line data and US Standard Atmosphere absorber profiles.
Last Modified: 22APR03

Click on map to zoom in to a particular spectral region. Note that only the strongest absorbers (listed at top) are plotted, but this list changes according to selected spectral region. Click on list of molecule names to get full range spectrum for a particular molecule.

Zenith Sky Optical Thickness Spectrum

H2O CO2 O3 N2O CO CH4 O2 NO SO2 NO2 NH3
HNO3 OH HF HCL HBR HI CLO OCS H2CO HOCL N2
HCN CH3CL H2O2 C2H2 C2H6 PH3 COF2 H2S F11 F12 F13
F14 F21 F22 F113 F114 F115 CCL4 CLONO2 N2O5 HNO4 SF6

Limb Radiance Spectrum for 12km Tan.Ht.

H2O CO2 O3 N2O CO CH4 O2 NO SO2 NO2 NH3
HNO3 OH HF HCL HBR HI CLO OCS H2CO HOCL N2
HCN CH3CL H2O2 C2H2 C2H6 PH3 COF2 H2S F11 F12 F13
F14 F21 F22 F113 F114 F115 CCL4 CLONO2 N2O5 HNO4 SF6

These web-pages were created using IDL software written by Neil Humpage (St Anne's) and Simon Wall (St John's) as part of a physics department undergraduate vacation project April 2003, supervised by Anu Dudhia.