UV sunshine is highest during summer because the sun is high in the sky. This means its rays arrive more directly and travel through much less ozone than during winter, when the sun is low in the sky. Clouds that block the sun greatly reduce direct UV. UV rays are stronger during the summer months. This is less of a factor near the equator. This means its rays arrive more directly and travel through much less ozone than during winter when the sun is low in the sky. Clouds that block the sun greatly reduce direct UV. For this reason, UV radiation is higher in summer.
Re: Global warming, Greenhouse effect, and Ozone layer depletion
by mohona zaman -
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