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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Cited articles

Blanc, P., Gschwind, B., Lefèvre, M., and Wald, L.: The HelioClim project: Surface solar irradiance data for climate applications, Remote Sens., 343–361, 2011.
Blanc, P., Gschwind, B., Lefevre, M., and Wald, L.: Twelve monthly maps of ground albedo parameters derived from MODIS data sets. In Proceedings of IGARSS 2014, 13–18 July 2014, Quebec, Canada, USBKey, 3270–3272, 2014.
Gschwind, B., Ménard, L., Albuisson, M., and Wald, L.: Converting a successful research project into a sustainable service: the case of the SoDa Web service, Environ. Model. Softw., 1555–1561, 2006.
Hoyer-Klick, C., Lefèvre, M., Schroedter-Homscheidt, M., and Wald, L.: User's guide to the MACC-RAD Services on solar energy radiation resources,, March 2015.
Lefèvre, M., Oumbe, A., Blanc, P., Espinar, B., Gschwind, B., Qu, Z., Wald, L., Schroedter-Homscheidt, M., Hoyer-Klick, C., Arola, A., Benedetti, A., Kaiser, J. W., and Morcrette, J.-J.: McClear: a new model estimating downwelling solar radiation at ground level in clear-sky conditions, Atmos. Meas. Tech., 6, 2403–2418,, 2013.
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.