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Journal of Emerging Trends in Engineering and Applied Sciences (JETEAS)

ISSN:2141-7016

Article Title: An Estimation of Ultra-Violet Index UVI from Global Solar Irradiance Gsi In Sokoto
by Usman I., Abubakar A. L, Anas S., Solihu L. A.

Abstract:
An estimation of Ultraviolet Index UVI from global solar irradiance GSI in Sokoto, Centre for Energy Research, Usmanu Danfodiyo University, Sokoto Nigeria using pyranometerCPM11 on a horizontal surface based on a single parameter were Investigated. In this work, five days of global solar irradiance data were used to estimate the UVI, the low values ranges from 1-2, and the extreme values were 11-14 UVI observed at early hours 10:00am-12:00pm and 12:00-2:00pm respectively. The results of calculations are compared well with the UVI derived from erythemal ultraviolet EUV irradiance Samuiisland and Phuket Island in Thailand.
Keywords: UV Index, Ultra Violet Radiation, Global Solar Radiation, Pyranometer.
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