Estimation of direct solar beam irradian
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Stanhill, G.
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Article
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1998
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John Wiley and Sons
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English
β 80 KB
Measurements of the duration of bright sunshine, n, using the Campbell-Stokes sunshine recorder are shown to be highly correlated with those obtained using a normal incidence pyrheliometer to measure direct irradiance, I, at two sites in the very dissimilar radiation climates of Israel and Ireland.