International Research Journal of Innovations in Engineering and Technology - IRJIET International Open Access, Monthly, Peer Reviewed, Reputed Journal ISSN (online): 2581-3048

Impact Factor (2025): 6.9

DOI Prefix: 10.47001/IRJIET

Day - To - Day and Seasonal Variations of Tropospheric Radio Refractivity in Lagos, South Western, Nigeria

Abstract

The investigation of day to day and seasonal tropospheric radio refractivity variation was carried out in Lagos using a three year period (January 2014 to December 2016) surface data. The data were collected using Campbell scientific automatic weather instrument. The CR1000 data logger type is used for measurement, and data storage is for five minute update cycle. The results of the analysis show that the high value of refractivity observed in the dry season can be attributed to the presence of water vapor in the air that causes evaporation from the Atlantic Ocean that covers the entire area. It was also revealed that the variation of refractivity in Lagos is mostly influenced by the variation of temperature and pressure with little contribution of relative humidity. 

Country : Nigeria

1 Onuorah L. O.2 Agbo G. A.3 Ibanga E. A.

  1. Industrial Physics Department, Faculty of Science, Ebonyi State University, Abakaliki, Nigeria and Department of Physical & Geosciences, Faculty of Natural & Applied Sciences, Godfrey Okoye University, Enugu, Nigeria
  2. Industrial Physics Department, Faculty of Science, Ebonyi State University, Abakaliki, Nigeria
  3. Industrial Physics Department, Faculty of Science, Ebonyi State University, Abakaliki, Nigeria and National Open University of Nigeria, Jabi, Abuja, Nigeria

IRJIET, Volume 3, Issue 12, December 2019 pp. 36-41

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