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Temperature dependent air-broadened linewidths of ozone rotational transitions

Drouin, B., and R. R. Gamache (2008), Temperature dependent air-broadened linewidths of ozone rotational transitions, Journal of Molecular Spectroscopy, 202, 194-202, doi:10.1016/j.jms.2008.02.016.

Ozone resonant features in the rotational band are useful for composition measurements in the stratosphere and upper troposphere. However, the density of ozone features in the long wavelengths often decreases precision of other trace species measurements, especially when insufficient spectral parameters exist. This work presents systematic studies of temperature dependent air-broadened linewidth parameters for ozone. Eighteen new experimental measurements are presented and compared with 57 calculated parameters that cover spectral regions currently probed by the Earth Observing System— Microwave Limb Sounder. Comparisons with previous measurements and similar broadening studies in the infrared wavelengths are made.

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Research Program: 
Atmospheric Composition Modeling and Analysis Program (ACMAP)
Upper Atmosphere Research Program (UARP)