Preliminary Investigation of The Attenuation of Solar Radation in The Atmosphere Over Makurdi, Nigeria

Authors

  • Bernadette Chidomnso Isikwue Dept of Physics, Federal University of Agriculture, Makurdi, Nigeria
  • Ada Amedu Aiji Department of Physics, College of Advanced and Professional Studies, Makurdi, Benue State, Nigeria.
  • Mathias Idugba Echi Department of Physics, Federal University of Agriculture Makurdi, Benue State, Nigeria

DOI:

https://doi.org/10.24297/jap.v4i1.2047

Keywords:

attenuation of solar radiation, direct solar radiation, Global solar radiation, diffuse solar radiation, clearness index

Abstract

The attenuation of solar radiation in the atmosphere over Makurdi (Latitude 7o 7’ N and longitude 8o 6’ E) was investigated by measurements of direct solar radiation (I) carried out using a digital sun photometer that measured in Wm- 2. The measurements were made at 9:00hrs, 12:00 hrs and 15: 00hrs daily for six months. Global solar radiation, (IG) was calculated for the six months using Gun Bellani measurements from Air Force Base, Makurdi. The diffuse component of solar radiation (ID) was evaluated and the extraterrestrial solar radiation (Io) was obtained by calculation using the equation of Duffie and Beckman (1983) and Liou (1980). The variation of attenuation with clearness index Ki was found. The attenuation in the atmosphere over Makurdi was found to be highest in the month of August with a value of 0.975 and lowest in December with a value of 0.427. There was good agreement in the pattern of variation of attenuation in Makurdi when compared with that of Ilorin that lies in the same geographic latitude.

Downloads

Download data is not yet available.

Author Biographies

Bernadette Chidomnso Isikwue, Dept of Physics, Federal University of Agriculture, Makurdi, Nigeria

Physics departmentAssociate professor

Ada Amedu Aiji, Department of Physics, College of Advanced and Professional Studies, Makurdi, Benue State, Nigeria.

Physics departmentLecturer

Mathias Idugba Echi, Department of Physics, Federal University of Agriculture Makurdi, Benue State, Nigeria

Physics departmentAssociate professor

References

Campbell, I.M. (1979). Energy and the atmosphere. A physical – Chemical Approach. Unwin Brothers Ltd., Britain

Dicherson, R.R.; Kondragunta, S.; Stenchikoo, G.; Liveroro, K.L.; Doddrige, B.G. and Holben. B.N (1997): The impact of aerosols on solar ultraviolet radiation and photochemical smog, Science 278: 827 – 830.

Schwartz, S.E (1996): The white house effect-shortwave radiation forcing of climate by anthropogenic aerosols: an overview, J. Aerosol sci., 3, 359-382.

Chameides, W.I.H.; Yu, S.C.; Liu. M.; Bergin. X.; Zhon. I.; Mearness G.; Wang, C.S.; Kiang, R.D.; Saylor, C.; Luo, Y.; Huang, A.; Steiner, F. and Georgi (1999): Case study of the effects of atmospheric aerosols and regional haze on agriculture: An opportunity to enhance crops yields – China through emission control, proc. Nat. Acad. Sci. 96:13626 – 13633.

Akpabio, L .E. and Etuk, S. E. (2003). Relationship between Global Solar Radiation and Sunshine Duration for Onne, Nigeria, Turkish Journal of Physics, 27,161 - 167,

Falayi, E.O; Adepitan , J.O. and Rabiu, A.B. (2008) Empirical Models for the Correlation of Global Solar Radiation with Meteorological Data for Iseyin, Nigeria, International Journal of Physical Sciences 3(9):210 - 216. [7] Isikwue, B. C.; Amah, A. N. and Agada, P. O.(2012a). Empirical Model for the Estimation of Global Solar Radiation in Makurdi, Nigeria, Global Journal of Science frontier Research Physics Space Science (USA), 12 (1):58 – 61

Okogbue E.C. and Adedokun, J.A. (2002). On the Estimation of Solar Radiation at Ondo, Nigeria, Journal of Physics, 14: 97 - 99,

Sambo, A. S, (1986): Empirical Model for the Correlation of Global Solar Radiation Meteorological Data for Northern Nigeria, Solar and Wind Technology vol. 3(2): 89 - 93.

bIsikwue, B. C., Odiaka, C. H. and Utah, E. U. (2012b). Estimation of the diffuse fraction of Solar Radiation for Makurdi, Nigeria. International Journal of Science and Advanced Technology 2(2): 1- 4.

Isikwue, B. C., Audu, M. O. and Utah, E. U. (2012c)Empirical Models for Estimating Diffuse fraction of Solar Radiation over Makurdi, Nigeria. International Journal of Science and dvanced Technology 2(2): 5- 10

Ododo, J. C: Sulaiman, A. T: Aidan, J: Yuguda, M. M. and Ogbu, F. A. (1995).The Importance of Maximum Air Temperature in the Parameterization of Solar Radiation in Nigeria.Renewable energy 6(7): 751-763.

] Duffie J.A and Beckman W.A. (1991): Solar Energy Thermal Processes. John Wiley and Sons Inc. New York

Liou, K.N. (1980): Introduction to Atmospheric Radiation. Academy Press, New York

Faydh, M.A.A and Ghazi. A. (2010): Estimation of global solar radiation in horizontal surfaces over Haditha, Samara and Beji, Iraq. Pacific J. of Sci. and Tech. 11(1):73-82

Cooper, P.I. (1969): The absorption of solar radiation in solar stills. Solar Energy,12 (3): 313

Sukhatme, S P. (1985) Solar Energy: Principles of Thermal Collection and Storage. Tata- Mc Graw Hill, India

Downloads

Published

2014-03-15

How to Cite

Isikwue, B. C., Aiji, A. A., & Echi, M. I. (2014). Preliminary Investigation of The Attenuation of Solar Radation in The Atmosphere Over Makurdi, Nigeria. JOURNAL OF ADVANCES IN PHYSICS, 4(1), 392–396. https://doi.org/10.24297/jap.v4i1.2047

Issue

Vol. 4 No. 1

Section

Articles

License

Creative Commons License All articles published in Journal of Advances in Linguistics are licensed under a Creative Commons Attribution 4.0 International License.