Type:

Other

Description:

The Erythemal Index is a measure of ultraviolet radiation (UV) at ground level on the Earth. UV exists to the left of the visible spectrum and is divided into three components (UV-A, UV-B and UV-C). UV-B (290-320 wavelengths) is the most dangerous form of UV radiation that can reach ground level. Atmospheric ozone shields life at the surface from most of the harmful components of solar radiation. Chemical processes in the atmosphere can effect the level of protection provided by the ozone in the upper atmosphere. This thinning of the atmospheric ozone in the stratosphere leads to elevated levels of UV-B at ground level and increases the risks of DNA damage in living organisms.

Subjects:

  • Science > General

Education Levels:

    Keywords:

    Space sciences,Chemistry,oai:nsdl.org:2200/20061002143918633T,NSDL,Undergraduate (Upper Division),Science,Meteorology,Undergraduate (Lower Division),Atmospheric science,Graduate/Professional,Physics,Erythemal,Higher Education,Technology,NSDL_SetSpec_456144,Physical sciences,Astronomy,Earth Probe-TOMS,Geoscience,Space Science,Earth science

    Language:

    English

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    Public - Available to anyone

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    Creative Commons Attribution Non-Commercial Share Alike

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