Surface UV radiation monitoring at two Italian Brewer stations (Rome and Ispra): a first comparison with OMI data

Anna Maria Siani; Iolanda Ialongo; Giuseppe R. Casale; Romina Giannini; Marco Cacciani

doi:10.1117/12.688267

12 October 2006 Surface UV radiation monitoring at two Italian Brewer stations (Rome and Ispra): a first comparison with OMI data

Anna Maria Siani, Iolanda Ialongo, Giuseppe R. Casale, Romina Giannini, Marco Cacciani

Author Affiliations +

Proceedings Volume 6362, Remote Sensing of Clouds and the Atmosphere XI; 63622G (2006) https://doi.org/10.1117/12.688267
Event: SPIE Remote Sensing, 2006, Stockholm, Sweden

Abstract

Currently there is still low spatial coverage of ground-based instruments measuring UV irradiance (spectral or broad band) and the length of time over which reliable UV observations have been made is mainly around 10 years. Solar spectral irradiance (from 290 to 325 nm at 0.5 nm wavelength step) has been measured at the stations of Rome (41.9°N, 12.5°E, 75 m a.s.l.) and Ispra (45.8°N, 8.6°E, 240 m a.s.l.), by means of Brewer single monocromator spectrophotometer since 1992. In this study a climatological characterization based on the time series of UV index (UVI) is presented. The mean of maximum UV indexes is (7.2±0.2) at Ispra and (8.9±0.4) at Rome under clear sky conditions. Low exposure category (UVI<2) is persistent at Ispra and high exposure category (6

Citation Download Citation

Anna Maria Siani, Iolanda Ialongo, Giuseppe R. Casale, Romina Giannini, and Marco Cacciani "Surface UV radiation monitoring at two Italian Brewer stations (Rome and Ispra): a first comparison with OMI data", Proc. SPIE 6362, Remote Sensing of Clouds and the Atmosphere XI, 63622G (12 October 2006); https://doi.org/10.1117/12.688267

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