Abstract From June 1986 through Nov 1987, the Earth Radiation Budget Satellite (ERBS) pyrheliometric measurements indicated that the solar constant was increasing approximately +0.02% per year. Earlier ERBS measurements indicated that the solar constant was declining approximately −0.03% per year during the 1984 through mid-1986 period. Since mid-1986 represents the beginning of solar cycle 22, it is believed that the reversal in the long-term solar constant trend may be linked to increased solar activity which is associated with the beginning of the 11-year sunspot cycle. The typical value of the solar constant was found to be 1365 Wm-2.


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    Title :

    Earth radiation budget satellite extraterrestrial solar constant measurements: 1986–1987 increasing trend



    Published in:

    Publication date :

    1989-01-01


    Size :

    3 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English



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