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    Gomos LIMB scattering ozone profile retrieval

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    Authors
    Taha, G.
    Jaross, G.
    Fussen, D.
    Vanhellemont, F.
    McPeters, R.D.
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    Discipline
    Natural sciences
    Subject
    Algorithms
    Contamination
    Light scattering
    Radiation detectors
    Stray light
    Atmospheric conditions
    Profile retrieval
    Signal saturation
    Standard deviation
    Zenith angles
    Ozone
    Audience
    Scientific
    Date
    2007
    Metadata
    Show full item record
    Description
    We analyzed a set of GOMOS bright limb measurements with solar zenith angles less than 80°, and within 150 km of SAGE II measurements. In order to perform any species retrieval, GOMOS measurements were first corrected for stray light contamination. Ozone profile retrievals were performed using GOMOS data in the OMPS limb profiler algorithm in order to evaluate code functionality under different atmospheric conditions, assess the accuracy of the pointing algorithm, and identify potential improvements. The OMPS algorithm performs a simultaneous optimal estimation inversion of both Hartley -Huggins and Chappuis band radiances. GOMOS ozone retrievals are restricted to 25-53 km because of signal saturation and residual stray light. The retrieved ozone profiles agree with collocated SAGE II measurements on average to within 10%, and with a standard deviation of 10%. Retrieval results were consistent for both upper and lower GOMOS detector bands.
    Citation
    Taha, G.; Jaross, G.; Fussen, D.; Vanhellemont, F.; McPeters, R.D. (2007). Gomos LIMB scattering ozone profile retrieval. , Proceedings of the Envisat Symposium 2007, Vol. 636,
    Identifiers
    uri: https://orfeo.belnet.be/handle/internal/4427
    scopus: 2-s2.0-36448931627
    Type
    Conference
    Peer-Review
    No
    Language
    eng
    Links
    NewsHelpdeskBELSPO OA Policy

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