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    First mesopause Na retrievals from satellite Na D-line nightglow observations

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    Authors
    Von Savigny, C.
    Langowski, M.P.
    Zilker, B.
    Burrows, J.P.
    Fussen, D.
    Sofieva, V.F.
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    Discipline
    Physical sciences
    Audience
    Scientific
    Date
    2016
    Metadata
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    Description
    We report the retrieval of Na concentration profiles in the mesopause region from satellite observations of the Na D-line nightglow emission near 589 nm made by the Scanning Imaging Absorption Spectrometer for Atmospheric Chartography (SCIAMACHY) on the Envisat spacecraft. The retrieval assumes the Na D-line excitation mechanism originally proposed by Chapman in 1939. The retrieval approach, including treatment of self-absorption by Na, a retrieval uncertainty budget, and first retrieval results, is presented. The retrieved Na profiles are compared to independent satellite measurements. Good agreement in terms of peak altitude, peak concentration, and vertical column density is found. The retrievals constitute the first Na profile retrievals from satellite observations of the Na D-line nightglow emission profile. They enable our understanding of the Na nightglow excitation mechanism to be tested.
    Citation
    Von Savigny, C.; Langowski, M.P.; Zilker, B.; Burrows, J.P.; Fussen, D.; Sofieva, V.F. (2016). First mesopause Na retrievals from satellite Na D-line nightglow observations. , Geophysical Research Letters, Vol. 43, Issue 24, 12651-12658, DOI: 10.1002/2016GL071313.
    Identifiers
    uri: https://orfeo.belnet.be/handle/internal/4729
    doi: http://dx.doi.org/10.1002/2016GL071313
    Type
    Article
    Peer-Review
    Yes
    Language
    eng
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