Department of Geography and Environmental Management, University of Port Harcourt, Rivers State, Nigeria
Research Article
Atmospheric Visibility and Meteorological Characteristics of the Upper Troposphere over Selected Cities in Nigeria
Author(s): Vincent E Weli*, Ohanuna C and Moses O Nwagbara
The study assessed the trends and characteristics of atmospheric visibility over selected cities in Nigeria. Visibility,
rainfall, relative humidity, windspeed and temperature data of 36 years (1982-2017) were obtained from the Nigeria
Meteorological Agency Abuja for the selected meteorological stations and computed. Descriptive (mean and
standard deviation) and inferential statistics (Analysis of Variance (ANOVA) and multiple regression) were used
for the data analysis. Results revealed that visibility decreased over the years in all the selected study locations with
the exception of Badagry which recorded an 18.09 m annual increase in visibility. The annual trend of rainfall and
temperature showed an increase in temperature and rainfall in all the cities studied except Owerri which witnessed
a 5.58 mm decrease in rainfall. The student t-test statistics revealed .. View More»
