Abstract

Satellite measurements of total flow of upcoming to the Earth solar radiation (Total solar irradiance) are performed since 1977. At present time continues measurement series of total flow of upcoming solar radiation are obtained. In long-term measurements of solar radiation the eleven-year cycle and its amplitude is revealed. However in regularity of solar radiation income to the Earth (without consideration of atmosphere) and spatial distribution of it along the Earth surface (solar climate of the Earth) two mechanisms having different physical nature are marked out. One mechanism is related to variation of solar activity. Another mechanism is defined by celestial mechanical processes varying elements of Earth orbit (Earth-Sun distance, tropical year duration, etc.), Earth rotation axis declination and related to it variation in Earth insolation. Performed calculations of Earth insolation related to celestial mechanical processes are the basis for differentiation of remote sensing data on total solar irradiance regarding mechanisms of different physical nature. The possibility of estimation of contribution of solar activity and celestial mechanical processes in variation of total flow of upcoming to the Earth solar radiation is created.

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