ATMOSPHERIC STABILITY CHARACTERIZATION AT DIFFERENT TIME INTERVALS OVER NORTH CENTRAL NIGERIA

F. O. Anjorin, D. Buba, E. V. Tikyaa

Abstract


In this study, Pasquil Stability Classification and Atmospheric stability ratio’ methods were deployed in evaluating the atmospheric stability conditions of some selected cities in North central Nigeria from meteorological data
sourced from Nigeria Meteorological Agency, NIMET. The data sets of wind speed and temperature for Jos, Lafia and Makurdi, respectively show a daily variation that peaks at noon and then decreases towards evening. Generally, the set of atmospheric stability classes across North central Nigeria showed occurrences of slightly unstable conditions, neutral conditions, moderately unstable conditions and extremely unstable condition. Among the cities investigated, Makurdi was assessed to have the highest occurrences of extremely and moderately unstable
atmospheric conditions while Jos had the least. The study therefore reveals that Makurdi in Benue State, though located on a lower elevation will have the best dispersion conditions while Jos in Plateau State, though located on a higher elevation will have a worst dispersion conditions than Makurdi but better conditions than Lafia within the micro environments emission sources.


Keywords: Atmospheric, Stability, Condition, Turbulence, Classes, Data


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