✦ LIBER ✦

The angular distribution and interception of diffuse solar radiation below overcast skies

✍ Scribed by M. D. Steven; M. H. Unsworth

Publisher: John Wiley and Sons
Year: 1980
Tongue: English
Weight: 308 KB
Volume: 106
Category: Article
ISSN: 0035-9009
DOI: 10.1002/qj.49710644705

No coin nor oath required. For personal study only.

✦ Synopsis

Abstract

The angular distribution of diffuse radiation was measured from May 1976 to May 1977 with a set of purpose‐built actinometers. Radiance distributions for 98 overcast hours were fitted well by an expression similar to the conventional function for a ‘standard overcast sky’ (SOC). However, values of the coefficient b averaged 1.23, significantly smaller than for the SOC (b = 2). Expressions for the interception of diffuse irradiance by sloping planes are discussed.

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