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Introduction

The recent past has experienced a dramatic increase in the study of the spectral and temporal patterns of solar UV radiation due to its impacts on the biosphere. The last few years have experienced a fast growing interest of understanding UV-B irradiance with respect to other atmospheric components. Consequently, since only very few UV-B measurements are available, and only in limited locations around the world, theoretical studies based on radiative transfer methods have gone a long way in improving our understanding of the various characteristics influencing UV-B .

Many instruments have been developed modified for monitoring the Damaging portions of UV spectrum, such as the Brewer Spectrophotometer. In this context, therefore, The aim of this paper is to develop a theoretical technique of processing raw Dobson O₃ spectrophotometer’s radiance data to produce UV-A and UV-B spectral irradiance.