Proposal of a new erythemal UV radiation amplification factor
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چکیده
منابع مشابه
Comparison of Five Modeling Approaches to Quantify and Estimate the Effect of Clouds on the Radiation Amplification Factor (RAF) for Solar Ultraviolet Radiation
A generally accepted value for the Radiation Amplification Factor (RAF), with respect to the erythemal action spectrum for sunburn of human skin, is −1.1, indicating that a 1.0% increase in stratospheric ozone leads to a 1.1% decrease in the biologically damaging UV radiation in the erythemal action spectrum reaching the Earth. The RAF is used to quantify the non-linear change in the biological...
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BACKGROUND AND OBJECTIVES UV radiation is the main modifiable risk factor for the development of cutaneous melanoma. Many people in the Spanish province of Granada live at high altitudes and, therefore, receive high doses of UV-B radiation. The aims of this study were to assess the possible association between melanoma and altitude and to measure the daily erythemal dose at different altitudes....
متن کاملDiffuse Component of the Solar Ultraviolet Radiation in Tree Shade
This paper has provided the first set of quantitative data of diffuse erythemal UV and UVA in tree shade at a sub-tropical Southern Hemisphere latitude. Over the summer, approximately 60% of the erythemal UV radiation in the tree shade is due to the diffuse component. Similarly, approximately 56% of the UVA radiation in the tree shade is due to the diffuse component. In the tree shade these dif...
متن کاملLower body anatomical distribution of solar ultraviolet radiation on the human form in standing and sitting postures.
Humans undertake their daily activities in a number of different postures. This paper aims to compare the anatomical distribution of the solar erythemal UV to human legs for standing and sitting postures. The exposure ratios to the legs (ratio of the UV exposure to a particular anatomical site compared to the ambient) have been measured with UV dosimeters for standing and sitting postures of a ...
متن کاملUltraviolet radiation in alpine skiing: magnitude of exposure and importance of regular protection.
BACKGROUND Participation in outdoor alpine sports has been increasing over the last decade. Ultraviolet exposure levels for these activities can be extreme owing to the venue altitudes. The purpose of this study was to measure the levels of UV-A and UV-B radiation exposure incurred by performance skiers in a typical alpine venue and to determine the need for protection in that environment. OB...
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تاریخ انتشار 2007