Changes in solar position influence the intensity of radiation on a horizontal surface because Energy concentration is greatly affected by changes in solar position. Energy intensity is greater when solar position is high. This concentrates more energy per unit area.
What determines the intensity of solar radiation?
The angle of the sun determines solar irradiance. The greater the angle, the lower the solar intensity. The lower the angle of the sun, the larger amount of ozone the light has to pass through.
What affects the intensity of solar energy?
The main parameters affecting the intensity of solar radiation are the zenith angle zeta of the sun, the water vapor content w of the atmosphere, and Schupp's turbidity coefficient B.
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