Validation of three satellite-derived databases of surface solar radiation  using measurements performed at 42 stations in Brazil

Thomas, Claire; Wey, Etienne; Blanc, Philippe; Wald, Lucien

doi:10.5194/asr-13-81-2016

Articles | Volume 13

https://doi.org/10.5194/asr-13-81-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Special issue:

EMS 2015

https://doi.org/10.5194/asr-13-81-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 13

10 Jun 2016

| 10 Jun 2016

Validation of three satellite-derived databases of surface solar radiation using measurements performed at 42 stations in Brazil

Claire Thomas, Etienne Wey, Philippe Blanc, and Lucien Wald

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Latest update: 09 Feb 2026

Short summary

Several satellite-derived solar surface irradiance databases provide long-term and homogeneously distributed information on the solar potential at ground level. This paper presents the validation results of three of these databases: HelioClim-3 (versions 4 and 5) and the CAMS radiation service, versus the measurements of 42 stations in Brazil. Despite a slight overestimation of the CAMS radiation service, the three databases are suitable for studies of the solar resources in Brazil.