UV Data Record Release 1, daily dose, vitamin D weighting - Multimission
Description
This product gives the accumulated dose of solar ultraviolet radiation for a given day. The solar spectral irradiance arriving on a horizontal Earth's surface at a given location and time of day is weighted by an action spectrum and integrated over wavelength to yield the dose rate. The action spectrum for production of vitamin D (more specifically, previtamin D3) in human skin is applied for this product. The dose rates are calculated with half-hourly intervals during the sunlit part of the day and then integrated over time to yield the daily (accumulated) dose. Input total column ozone data are obtained from GOME-2/Metop measurements while daily cloud data are collected from multiple overpasses of AVHRR/3 instrument onboard both Metop and NOAA satellites.
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