Abstract:
Variations in solar radiation in the wavelength ranges λ = 0.285 ÷ 2.8 μm, λ = 0.280 ÷ 0.400 μm, and λ = 0.280 ÷ 0.315 μm are analyzed on the basis of ground-based measurements at the Fonovaya observatory in 2021. The results of calculations of the radiation balance and albedo of the underlying surface are presented. During the period of a stable snow cover, from November to March, the daily average radiation balance is shown to be -1.20 ± 1.18 MJ/m2, and in the absence of snow, from May to September, +8.83 ± 4.49 MJ/m2. The daily solar radiation absorption by the Earth's surface is estimated. During the period of a stable snow cover, from December to March, the daily solar radiation absorbed by the Earth's surface did not exceed 2 MJ/m2, and it varied from to 25 MJ/m2 in summer.
Keywords:
atmosphere, radiation, albedo, radiation balance
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