Light climate environment (LCE) refers to natural conditions of outdoor natural light, which is a general term for the meteorology of natural light changes or variations 1.Influenced by the solar motion trajectory, local light and climate characteristics, the LCE shows continuous variation over different spatial and temporal periods, which is reflected in the variation of illuminance values 2. The results reveals the quantitative impact of snow on LCE, providing scientific support for regional natural light energy use, human health and safety, urban environmental management and economic development. At the same background light intensity, the LCE intensity varies significantly with increasing snow depth, snow density and BC pollution. ![]() In addition, significant differences in LCE intensity with different snow depths, snow densities and black carbon (BC) pollution. When there is no moonlight, the snow has no significant effect on the light level. At night, with moonlight, the nighttime illuminance with and without snow is 0.213 Lux and 0.01 Lux, respectively. ![]() During daytime, the ambient light level on the ground with snow is 5.68 times higher than without snow, an improvement of 12,711.06 Lux. The results of the study found that there was a significant difference between the presence and absence of snow on both daytime and nighttime light levels. ![]() In this study, the effect of snow on daytime and nighttime light levels was quantified using comparative field observations and controlled experiments in artificial climate chambers, combined with analysis of variance and model fitting. Light climate environment (LCE) has a significant impact on human health, behavioral characteristics, and the safety of life and property due to the high albedo of snow on the ground cover type, which in turn affects the regional climate and socio-economic development, but less relevant studies have been found.
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