Application of Harmonic Analysis in the Preliminary Prediction of Air Temperature over Lagos and Abuja, Nigeria.
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Date
2011-07
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Abstract
Harmonic Analysis technique has been employed in predicting the hourly air temperature
variations over Lagos and Abuja, Nigeria. The variations in hourly air temperatures over the
two stations are periodic and thus have strong tendency of being repeated the next day, if all
other atmospheric variables are constant. It was observed that the variation in hourly air
temperature in the two stations is dominated by the first harmonic, thus it fluctuates by one
cycle with a period of 24 hours. Invariably, harmonic equations could be applied to hourly
temperature prediction even on a large scale data. The maximum hourly air temperature
occurred two hours on the average after the maximum solar irradiance has occurred in each
station. It was found that the temperature of the air at a particular hour is dependent on that
of the previous hour.
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Keywords
Harmonic analysis, air temperature, prediction, solar irradiance, Nigeria
Citation
Isikwue B C, Agada O I, Utah E U, Okeke F N. Application of Harmonic Analysis in the Preliminary Prediction of Air Temperature over Lagos and Abuja, Nigeria. British Journal of Environment and Climate Change. 2011 Jul-Sept; 1(3): 53-65.