Renewable Energy Development in Africa

Proceedings of the African Energy Programme Conference, 25–29 March 1985, Mauritius, Volume 1

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Methods for Estimating Daily Solar Radiation Using Climatological Data

Techniques for estimating daily insolation by determining extra terrestrial sunshine and data on sunshine hours or cloud cover are discussed. Using one year of fairly good records of global radiation and sunshine hours for two stations in The Gambia, at Basse (Lat. 13 33', Long. 14 54') and Sapu (Lat. 13 33', Long. 14 54') correlation coefficients are derived for the Prescott equation using regression analysis and a computer program.


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