AbstractThe annual variation of global (total) solar radiation measured over four (4) years (1995–1998) at Ilorin (8°32′N, 4°34′E) was studied and the bio-effects of the variation is herein reported. The weekly averages of the solar radiation flux were obtained and plotted. The profile of the weekly averages of the insolation shows two notable “wells” corresponding to the harmattan dry season and the rainy season. It was deduced that the duration of the seasons was directly proportional to the sizes of the “wells”, while the depths of the “wells” correspond to the severity of the causes of the “wells”. The fall and rise rates of the depth of the edges of the wells are inversely proportional to the ecological effects of the variation of the radiation. The rates of decrease and increase of the radiation flux affect the depths of the “wells” and were found to be rapid and shallow for the “Harmattan Well”, and gentle and deep for the “Rain Well”. The width (duration), rate of change and depth of the “Harmattan Well” bring about stress for both animals and plants.


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    Titel :

    Observation bio-effect of SW-global solar radiation in Ilorin in the tropics


    Beteiligte:
    Babatunde, E.B. (Autor:in) / Akoshile, C.O. (Autor:in) / Falaiye, O.A. (Autor:in) / Willoughby, A.A. (Autor:in) / Ajibola, T.B. (Autor:in) / Adimula, I.A. (Autor:in) / Aro, T.O. (Autor:in)

    Erschienen in:

    Advances in Space Research ; 43 , 6 ; 990-994


    Erscheinungsdatum :

    2008-09-02


    Format / Umfang :

    5 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch





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