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    The New SCIAMACHY Reference Solar Spectral Irradiance and Its Validation

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    Hilbig(2018a).pdf (2.036Mb)
    Authors
    Hilbig, T.
    Weber, M.
    Bramstedt, K.
    Noël, S.
    Burrows, J.P.
    Krijger, J.M.
    Snel, R.
    Meftah, M.
    Damé, L.
    Bekki, S.
    Bolsée, D.
    Pereira, N.
    Sluse, D.
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    Discipline
    Physical sciences
    Subject
    Solar irradiance
    Spectrum
    SCIAMACHY
    Instrumentation and data management
    Audience
    Scientific
    Date
    2018
    Metadata
    Show full item record
    Description
    This paper describes a new reference solar spectrum retrieved from measurements of the satellite instrument SCIAMACHY in the wavelength region from 0.24 μm to 2.4 μm and its comparison with several other established solar reference spectra. The SCIAMACHY reference spectrum was recorded early in the mission before substantial optical degradation due to the harsh space environment sets in. The radiometric calibration of SCIAMACHY, applied in this study, includes a physical model of the scanner unit. Furthermore, SCIAMACHY’s internal white light source (WLS) is used to correct for on-ground to in-flight changes. The resultant calibrated solar spectrum from SCIAMACHY is in good agreement with several available solar spectral irradiance (SSI) references in the visible spectral range. Strong throughput losses due to detector icing in the near infrared (NIR) are now adequately accounted for. Nevertheless, a deficit with respect to the ATLAS-3 composite and SORCE/SIM SSI is observed in the NIR. However, the SCIAMACHY solar reference spectrum agrees well with the recently re-evaluated SOLAR/SOLSPEC-ISS and recent ground measurements taken at Mauna Loa in the NIR.
    Citation
    Hilbig, T.; Weber, M.; Bramstedt, K.; Noël, S.; Burrows, J.P.; Krijger, J.M.; Snel, R.; Meftah, M.; Damé, L.; Bekki, S.; Bolsée, D.; Pereira, N.; Sluse, D. (2018). The New SCIAMACHY Reference Solar Spectral Irradiance and Its Validation. , Solar Physics, Vol. 293, Issue 8, A121, DOI: 10.1007/s11207-018-1339-9.
    Identifiers
    uri: https://orfeo.belnet.be/handle/internal/7041
    doi: http://dx.doi.org/10.1007/s11207-018-1339-9
    Type
    Article
    Peer-Review
    Yes
    Language
    eng
    Links
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