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    Validation of the ORA spatial inversion algorithm with respect to the Stratospheric Aerosol and Gas Experiment II data

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    Authors
    Fussen, D.
    Arijs, E.
    Nevejans, D.
    Vanhellemont, F.
    Brogniez, C.
    Lenoble, J.
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    Discipline
    Physical sciences
    Audience
    Scientific
    Date
    1998
    Metadata
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    Description
    We present the results of a comparison of the total extinction altitude profiles measured at the same time and at same location by the ORA (Occultation Radiometer) and Stratospheric Aerosol and Gas Experiment II solar occultation experiments at three different wavelengths. A series of 25 events for which the grazing points of both experiments lie within a 2° window has been analyzed. The mean relative differences observed over the altitude range 15-45 km are 28.4%, 1.6%, and 3% for the three channels (0.385, 0.6, and 1.02 µm). Some systematic degradation occurs below 20 km (as the result of signal saturation and possible cloud interference) and above 40 km (low absorption). The fair general agreement between the extinction profiles obtained by two different instruments enhances our confidence in the results of the ORA experiment and of the recently developed vertical inversion algorithm applied to real data.
    Citation
    Fussen, D.; Arijs, E.; Nevejans, D.; Vanhellemont, F.; Brogniez, C.; Lenoble, J. (1998). Validation of the ORA spatial inversion algorithm with respect to the Stratospheric Aerosol and Gas Experiment II data. , Applied Optics, Vol. 37, Issue 15, 3121-3127, DOI: 10.1364/AO.37.003121.
    Identifiers
    uri: https://orfeo.belnet.be/handle/internal/5393
    doi: http://dx.doi.org/10.1364/AO.37.003121
    scopus: 2-s2.0-0001321991
    Type
    Article
    Peer-Review
    Yes
    Language
    eng
    Links
    NewsHelpdeskBELSPO OA Policy

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