Investigation of the Dependence of Global Solar Radiation on Some Atmospheric Parameters Over Kano and  Oyo-Nigeria

Inalegwu Emmanuel Ogwuche; Sombo T.

doi:doi:10.11648/j.rst.20170301.11

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Investigation of the Dependence of Global Solar Radiation on Some Atmospheric Parameters Over Kano and Oyo-Nigeria

Inalegwu Emmanuel Ogwuche, Sombo T.

Published in Radiation Science and Technology (Volume 3, Issue 1)

Received: 29 January 2017 Accepted: 24 February 2017 Published: 6 March 2017

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Abstract

Some multi-linear regression equations were developed to investigate the dependence of global solar radiation on a combination of the following parameters: relative humidity, mean of daily temperature, ratio of maximum to minimum daily temperature, relative sunshine hour, rainfall, and the difference of monthly daily maximum and minimum temperature for Kano and Oyo-Nigeria for a span of 30 years (1981-2010). Using the Angstrom model as the base, ten (10) other regression equations were developed by modifying Angstrom equation. The results of statistical indicators: Coefficient of Determination (R²), Mean Bias Error (MBE), Root Mean Square Error (RMSE) and Mean Percentage Error (MPE); performed on the model along with practical comparison of the estimated and observed data validate the excellent performance accuracy of the proposed model. The equations with the highest value of coefficient of determination R2 and least value of RMSE, MBE, and MPE are given as: H/H_o= 0.351 + 0.556(S/S_o) – 0.268(RH/100) and H/H_o= 0.110 + 0.409(S/S_o) + 0.152(RH/100) for Kano and Oyo respectively, where S/S_o is the relative sunshine duration and RH is the relative humidity. The models can be used for estimating global solar radiation on horizontal surfaces for places with similar latitudes where radiation data are unavailable. Based on overall results, it was concluded that Sunshine duration and relative humidity are the most appropriate combination of climatic variables suitable for the estimation of global solar radiation in the study areas.

Published in	Radiation Science and Technology (Volume 3, Issue 1)
DOI	10.11648/j.rst.20170301.11
Page(s)	1-7
Creative Commons	This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.
Copyright	Copyright © The Author(s), 2024. Published by Science Publishing Group

Keywords

Solar Radiation, Meteorological Parameters, Relative Humidity, Temperature, Relative Sunshine Duration, Statistical Indicator

References

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[4]	Alam M. S. Saha, S. K. Chowdhury, M. A. Saifuzzaman, M. and Rahman, M. (2005). Simulation of solar radiation systems. American Journal of Applied Sciences. 2 (4): 751-758.
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Inalegwu Emmanuel Ogwuche, Sombo T. (2017). Investigation of the Dependence of Global Solar Radiation on Some Atmospheric Parameters Over Kano and Oyo-Nigeria. Radiation Science and Technology, 3(1), 1-7. https://doi.org/10.11648/j.rst.20170301.11

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ACS Style

Inalegwu Emmanuel Ogwuche; Sombo T. Investigation of the Dependence of Global Solar Radiation on Some Atmospheric Parameters Over Kano and Oyo-Nigeria. Radiat. Sci. Technol. 2017, 3(1), 1-7. doi: 10.11648/j.rst.20170301.11

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AMA Style

Inalegwu Emmanuel Ogwuche, Sombo T. Investigation of the Dependence of Global Solar Radiation on Some Atmospheric Parameters Over Kano and Oyo-Nigeria. Radiat Sci Technol. 2017;3(1):1-7. doi: 10.11648/j.rst.20170301.11

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@article{10.11648/j.rst.20170301.11,
  author = {Inalegwu Emmanuel Ogwuche and Sombo T.},
  title = {Investigation of the Dependence of Global Solar Radiation on Some Atmospheric Parameters Over Kano and  Oyo-Nigeria},
  journal = {Radiation Science and Technology},
  volume = {3},
  number = {1},
  pages = {1-7},
  doi = {10.11648/j.rst.20170301.11},
  url = {https://doi.org/10.11648/j.rst.20170301.11},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.rst.20170301.11},
  abstract = {Some multi-linear regression equations were developed to investigate the dependence of global solar radiation on a combination of the following parameters: relative humidity, mean of daily temperature, ratio of maximum to minimum daily temperature, relative sunshine hour, rainfall, and the difference of monthly daily maximum and minimum temperature for Kano and Oyo-Nigeria for a span of 30 years (1981-2010). Using the Angstrom model as the base, ten (10) other regression equations were developed by modifying Angstrom equation. The results of statistical indicators: Coefficient of Determination (R2), Mean Bias Error (MBE), Root Mean Square Error (RMSE) and Mean Percentage Error (MPE); performed on the model along with practical comparison of the estimated and observed data validate the excellent performance accuracy of the proposed model. The equations with the highest value of coefficient of determination R2 and least value of RMSE, MBE, and MPE are given as: H/Ho= 0.351 + 0.556(S/So) – 0.268(RH/100) and H/Ho= 0.110 + 0.409(S/So) + 0.152(RH/100) for Kano and Oyo respectively, where S/So is the relative sunshine duration and RH is the relative humidity. The models can be used for estimating global solar radiation on horizontal surfaces for places with similar latitudes where radiation data are unavailable. Based on overall results, it was concluded that Sunshine duration and relative humidity are the most appropriate combination of climatic variables suitable for the estimation of global solar radiation in the study areas.},
 year = {2017}
}

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TY  - JOUR
T1  - Investigation of the Dependence of Global Solar Radiation on Some Atmospheric Parameters Over Kano and  Oyo-Nigeria
AU  - Inalegwu Emmanuel Ogwuche
AU  - Sombo T.
Y1  - 2017/03/06
PY  - 2017
N1  - https://doi.org/10.11648/j.rst.20170301.11
DO  - 10.11648/j.rst.20170301.11
T2  - Radiation Science and Technology
JF  - Radiation Science and Technology
JO  - Radiation Science and Technology
SP  - 1
EP  - 7
PB  - Science Publishing Group
SN  - 2575-5943
UR  - https://doi.org/10.11648/j.rst.20170301.11
AB  - Some multi-linear regression equations were developed to investigate the dependence of global solar radiation on a combination of the following parameters: relative humidity, mean of daily temperature, ratio of maximum to minimum daily temperature, relative sunshine hour, rainfall, and the difference of monthly daily maximum and minimum temperature for Kano and Oyo-Nigeria for a span of 30 years (1981-2010). Using the Angstrom model as the base, ten (10) other regression equations were developed by modifying Angstrom equation. The results of statistical indicators: Coefficient of Determination (R2), Mean Bias Error (MBE), Root Mean Square Error (RMSE) and Mean Percentage Error (MPE); performed on the model along with practical comparison of the estimated and observed data validate the excellent performance accuracy of the proposed model. The equations with the highest value of coefficient of determination R2 and least value of RMSE, MBE, and MPE are given as: H/Ho= 0.351 + 0.556(S/So) – 0.268(RH/100) and H/Ho= 0.110 + 0.409(S/So) + 0.152(RH/100) for Kano and Oyo respectively, where S/So is the relative sunshine duration and RH is the relative humidity. The models can be used for estimating global solar radiation on horizontal surfaces for places with similar latitudes where radiation data are unavailable. Based on overall results, it was concluded that Sunshine duration and relative humidity are the most appropriate combination of climatic variables suitable for the estimation of global solar radiation in the study areas.
VL  - 3
IS  - 1
ER  -

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Author Information

Inalegwu Emmanuel Ogwuche

Department of Physics, Federal University of Agriculture, Makurdi, Nigeria
Sombo T.

Department of Physics, Federal University of Agriculture, Makurdi, Nigeria

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APA Style

Inalegwu Emmanuel Ogwuche, Sombo T. (2017). Investigation of the Dependence of Global Solar Radiation on Some Atmospheric Parameters Over Kano and Oyo-Nigeria. Radiation Science and Technology, 3(1), 1-7. https://doi.org/10.11648/j.rst.20170301.11

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ACS Style

Inalegwu Emmanuel Ogwuche; Sombo T. Investigation of the Dependence of Global Solar Radiation on Some Atmospheric Parameters Over Kano and Oyo-Nigeria. Radiat. Sci. Technol. 2017, 3(1), 1-7. doi: 10.11648/j.rst.20170301.11

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AMA Style

Inalegwu Emmanuel Ogwuche, Sombo T. Investigation of the Dependence of Global Solar Radiation on Some Atmospheric Parameters Over Kano and Oyo-Nigeria. Radiat Sci Technol. 2017;3(1):1-7. doi: 10.11648/j.rst.20170301.11

Copy | Download

@article{10.11648/j.rst.20170301.11,
  author = {Inalegwu Emmanuel Ogwuche and Sombo T.},
  title = {Investigation of the Dependence of Global Solar Radiation on Some Atmospheric Parameters Over Kano and  Oyo-Nigeria},
  journal = {Radiation Science and Technology},
  volume = {3},
  number = {1},
  pages = {1-7},
  doi = {10.11648/j.rst.20170301.11},
  url = {https://doi.org/10.11648/j.rst.20170301.11},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.rst.20170301.11},
  abstract = {Some multi-linear regression equations were developed to investigate the dependence of global solar radiation on a combination of the following parameters: relative humidity, mean of daily temperature, ratio of maximum to minimum daily temperature, relative sunshine hour, rainfall, and the difference of monthly daily maximum and minimum temperature for Kano and Oyo-Nigeria for a span of 30 years (1981-2010). Using the Angstrom model as the base, ten (10) other regression equations were developed by modifying Angstrom equation. The results of statistical indicators: Coefficient of Determination (R2), Mean Bias Error (MBE), Root Mean Square Error (RMSE) and Mean Percentage Error (MPE); performed on the model along with practical comparison of the estimated and observed data validate the excellent performance accuracy of the proposed model. The equations with the highest value of coefficient of determination R2 and least value of RMSE, MBE, and MPE are given as: H/Ho= 0.351 + 0.556(S/So) – 0.268(RH/100) and H/Ho= 0.110 + 0.409(S/So) + 0.152(RH/100) for Kano and Oyo respectively, where S/So is the relative sunshine duration and RH is the relative humidity. The models can be used for estimating global solar radiation on horizontal surfaces for places with similar latitudes where radiation data are unavailable. Based on overall results, it was concluded that Sunshine duration and relative humidity are the most appropriate combination of climatic variables suitable for the estimation of global solar radiation in the study areas.},
 year = {2017}
}

Copy | Download

TY  - JOUR
T1  - Investigation of the Dependence of Global Solar Radiation on Some Atmospheric Parameters Over Kano and  Oyo-Nigeria
AU  - Inalegwu Emmanuel Ogwuche
AU  - Sombo T.
Y1  - 2017/03/06
PY  - 2017
N1  - https://doi.org/10.11648/j.rst.20170301.11
DO  - 10.11648/j.rst.20170301.11
T2  - Radiation Science and Technology
JF  - Radiation Science and Technology
JO  - Radiation Science and Technology
SP  - 1
EP  - 7
PB  - Science Publishing Group
SN  - 2575-5943
UR  - https://doi.org/10.11648/j.rst.20170301.11
AB  - Some multi-linear regression equations were developed to investigate the dependence of global solar radiation on a combination of the following parameters: relative humidity, mean of daily temperature, ratio of maximum to minimum daily temperature, relative sunshine hour, rainfall, and the difference of monthly daily maximum and minimum temperature for Kano and Oyo-Nigeria for a span of 30 years (1981-2010). Using the Angstrom model as the base, ten (10) other regression equations were developed by modifying Angstrom equation. The results of statistical indicators: Coefficient of Determination (R2), Mean Bias Error (MBE), Root Mean Square Error (RMSE) and Mean Percentage Error (MPE); performed on the model along with practical comparison of the estimated and observed data validate the excellent performance accuracy of the proposed model. The equations with the highest value of coefficient of determination R2 and least value of RMSE, MBE, and MPE are given as: H/Ho= 0.351 + 0.556(S/So) – 0.268(RH/100) and H/Ho= 0.110 + 0.409(S/So) + 0.152(RH/100) for Kano and Oyo respectively, where S/So is the relative sunshine duration and RH is the relative humidity. The models can be used for estimating global solar radiation on horizontal surfaces for places with similar latitudes where radiation data are unavailable. Based on overall results, it was concluded that Sunshine duration and relative humidity are the most appropriate combination of climatic variables suitable for the estimation of global solar radiation in the study areas.
VL  - 3
IS  - 1
ER  -

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