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Retrieval Of Carbon Dioxide Vertical Profiles From Solar Occultation Observations And Associated Error Budgets For Ace-Fts And Cass-Fts, C. E. Sioris, C. D. Boone, R. Nassar, K. J. Sutton, I. E. Gordon, K. A. Walker, P. F. Bernath
Retrieval Of Carbon Dioxide Vertical Profiles From Solar Occultation Observations And Associated Error Budgets For Ace-Fts And Cass-Fts, C. E. Sioris, C. D. Boone, R. Nassar, K. J. Sutton, I. E. Gordon, K. A. Walker, P. F. Bernath
Chemistry & Biochemistry Faculty Publications
An algorithm is developed to retrieve the vertical profile of carbon dioxide in the 5 to 25 km altitude range using mid-infrared solar occultation spectra from the main instrument of the ACE (Atmospheric Chemistry Experiment) mission, namely the Fourier transform spectrometer (FTS). The main challenge is to find an atmospheric phenomenon which can be used for accurate tangent height determination in the lower atmosphere, where the tangent heights (THs) calculated from geometric and timing information are not of sufficient accuracy. Error budgets for the retrieval of CO2 from ACE-FTS and the FTS on a potential follow-on mission named CASS …