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Improving the solar zenith angle dependence of broadband UV radiometers calibration
1Departamento de Física, Universidad de Extremadura, 06071 Badajoz, Spain
2INTA Departamento de Observación de la Tierra, Teledetección y Atmósfera, ESAt, "El Arenosillo", Huelva, Spain
Abstract. This paper focusses on the proposal of a new method for the calibration of broadband ultraviolet radiometers. The advantage of the method proposed is the accurate modelling of the dependence on the solar zenith angle. The new model is compared with other one-step calibration methods and with the two-step method, which requires the knowledge of the actual response of the broadband radiometer. For this purpose, three broadband radiometers are calibrated against a spectrophotometer of reference. The new method is validated comparing its predictions with the spectrophotometer measurements using an independent data set.
Discussion Paper (PDF, 502 KB) Interactive Discussion (Final Response, 4 Comments)
Citation: Cancillo, M. L., Serrano, A., Antón, M., García, J. A., and Vilaplana, J. M.: Improving the solar zenith angle dependence of broadband UV radiometers calibration, Atmos. Chem. Phys. Discuss., 7, 17873-17892, 2007. Bibtex EndNote Reference Manager
