Traditional Culture Encyclopedia - Weather inquiry - What factors affect the light intensity in an area?

What factors affect the light intensity in an area?

Latitude (such as Russia and the equator) The lower the latitude, the richer the sunshine.

High altitude (if the Qinghai-Tibet Plateau has sufficient sunshine): 1 long sunshine time; The air is thin, and the atmospheric weakening effect is weak. The terrain is high and the sunshine path is short.

Topography (insufficient illumination in Sichuan Basin); Yangpo; shady slope

Weather factors (due to frequent rain and insufficient light in western Europe. )