Global projections of CIE erythemal doses

What is it about?

This study investigates the projections of solar erythemal dose on global scale, from the middle of the 20th century until the end of the 21st century. Calculations of spectral UV radiation were performed with the radiative transfer model, using as input data from Earth System Models. For the projections of UV radiation, three different scenarios were taken into consideration, using different Shared Socioeconomic Pathways (SSPs). In order to gain a global overview of the projections, the UV calculations were performed in five latitude bands with a view to calculate biological doses for erythema. Our calculations for the last years of the 21st century (2090-2100), as compared to the years 1950-1960, reveal lower biological doses for the three action spectra in most regions assuming the pathways with scenario with high radiative forcing by the end of century.

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