Abstract The solar chromosphere was daily observed in the Ca II K line from 1915 August 10 to 1985 July 7, and correspondingly, 938 synoptic maps are measured. The valuable database is utilized to explore phase relationship of long-term evolution of the quiet chromosphere and sunspot numbers. Temporal change of the quiet chromosphere is found to be in anti-phase with the solar cycle on the whole, as the small-scale magnetic elements whose flux is in a span of ( 2.9 - 32.0 ) × 10 18 ( Mx ) do. The abnormal heating of the quiet chromosphere is accordingly suggested to be related mainly to the magnetic elements, and they may likely function in reducing chromosphere material loss.


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    Titel :

    The quiet chromosphere: Phase relation with the solar cycle


    Beteiligte:
    Li, K.J. (Autor:in) / Feng, W. (Autor:in)

    Erschienen in:

    Advances in Space Research ; 70 , 5 ; 1539-1546


    Erscheinungsdatum :

    2022-06-02


    Format / Umfang :

    8 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch






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