Research Article

Retrieval of Atmospheric CO2 and CH4 Variations Using Ground-Based High Resolution Fourier Transform Infrared Spectra

Table 1

Retrieval window parameters for CO2, CH4, and O2.

Gases to fitCentral frequencies (cmāˆ’1)Width (cmāˆ’1)

CO2, H2O, HDO, and CH46220.0080.00
CO2, H2O, and HDO6339.5085.00
CH4, CO2, H2O, and HDO5938.00116.00
CH4, CO2, H2O, and HDO6002.0011.10
CH4, CO2, H2O, and HDO6076.00138.00
O2, CO2, H2O, and HF7885.00240.00