Error budget analysis of SCIAMACHY limb ozone profile retrievals using the SCIATRAN model
作者： N. Rahpoe , C. von Savigny , M. Weber , A.V. Rozanov , H. Bovensmann
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摘要: Abstract. A comprehensive error characterization of SCIAMACHY (Scanning Imaging Absorption Spectrometer for Atmospheric CHartographY) limb ozone profiles has been established based upon SCIATRAN transfer model simulations. The study was carried out in order to evaluate the possible impact parameter uncertainties, e.g. albedo, stratospheric aerosol optical extinction, temperature, pressure, pointing, and absorption cross section on retrieval. Together with a posteriori covariance matrix available from retrieval, total random systematic errors are defined profiles. Main sources pointing errors, knowledge parameters, cloud interference. Systematic 7%, while amounts 10–15% most stratosphere. These numbers can be used interpretation instrument intercomparison validation V 2.5 rigorous manner.
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