CDSD-296, THE HIGH-PRECISION CARBON DIOXIDE SPECTROSCOPIC DATABANK: VERSION FOR ATMOSPHERIC APPLICATIONS

We present CDSD-296 a version of the Carbon Dioxide Spectroscopic Databank aimed at processing signals from the satellite based sensors. The databank contains line parameters (positions, intensities as well as HITRAN air- and self-broadened halfwidths and coefficients of temperature dependence of air-broadened halfwidths) of the four most abundant isotopic species of CO2. The reference temperature is T ref=296 K, the intensity cutoff is I cut=10−28 cm−1/(molecule cm−2) and the spectral range is 405–12784 cm−1. The databank was generated within the framework of the method of effective operators and based on the global fittings of parameters of the models to observed data collected from the literature. Calculated line positions were systematically replaced where possible by the differences between experimental term values derived from recalibrated observed line positions with the help of the combination Ritz principle. The databank includes statistically justified confidence intervals for each line position and intensity.