Global Energy in the Different Spectral Bands at Dhahran, Saudi Arabia

Global, spectral isolation data measured every minute over a four-year period at Dhahran (26° 32′ N, 50° 13′ E) Saudi Arabia, using five Schott filters with cutoff at “285, 500, 530, 630, and 695” nm, and ultraviolet radiation sensor, 295–385nm, are analyzed. Monthly averages of the diurnal variatio...

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Bibliographic Details
Published in:Journal of solar energy engineering 1991-11, Vol.113 (4), p.290-294
Main Author: Elhadidy, M. A
Format: Article
Language:English
Subjects:
140100 - Solar Energy- Resources & Availability
Applied sciences
ASIA
ATMOSPHERIC PRECIPITATIONS
DEVELOPING COUNTRIES
DISASTERS
DUSTS
Energy
Exact sciences and technology
GLOBAL ASPECTS
MIDDLE EAST
MONITORING
Natural energy
RADIATIONS
RAIN
SAND
SAUDI ARABIA
SEASONAL VARIATIONS
SOLAR ENERGY
SOLAR RADIATION
STELLAR RADIATION
STORMS
VARIATIONS
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Summary:Global, spectral isolation data measured every minute over a four-year period at Dhahran (26° 32′ N, 50° 13′ E) Saudi Arabia, using five Schott filters with cutoff at “285, 500, 530, 630, and 695” nm, and ultraviolet radiation sensor, 295–385nm, are analyzed. Monthly averages of the diurnal variations of these bands are presented. The rainfall, dust/sand storm, cloud and air mass effects on the band radiation are also investigated. Comparisons of the yearly average of band radiation measured at Dhahran and those reported in Goldberg and Klein (1977) for Jerusalem (32° N) and Rockville (39° N) are presented. Monthly average band radiation are also presented. The data showed that the ratio of the monthly average of the diurnal band radiations to the total radiation for winter and summer are nearly the same. The data also showed that the rainfall increases the percentage of radiation in the bands 385–500nm, 500–530nm, and 630–690nm, and it decreases the percentage radiation of the band 690–2800nm and that the opposite is true for dust/sand storm effect. The change in the band radiation due to cloud cover is small. The data also showed that the monthly and yearly averages of the radiation in the bands “630–695, and 695–2800” nm are latitude independent. The monthly radiation values at each band over the year are almost constant.
ISSN:0199-6231
1528-8986
DOI:10.1115/1.2929975