Sky and surface distribution of erythema action ultraviolet radiation

摘要

Ultraviolet radiation may cause erythema and damage to DNA of the human skin. The Environment Agency of Japan published a health care guidance for ultraviolet radiation in June, 2003, and suggested to protect skin from excessive ultraviolet radiation. Therefore, the amount of exposure to ultraviolet radiation must be measured. Skin exposure can be precisely calculated by spectrally measuring the distribution of sky ultraviolet radiation. The distribution measurements of sky radiation and surface ultraviolet reflection are done in this research.