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| Hlavní autor: | |
|---|---|
| Médium: | Recurso digital |
| Jazyk: | angličtina |
| Vydáno: |
Zenodo
2024
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| Témata: | |
| On-line přístup: | https://doi.org/10.5281/zenodo.14948256 |
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- <p>The study examined variations in air pollutants across residential areas in Lagos State and identified the spatial distributions of pollutants as well as the seasonal variations in air quality characteristics. Data was gathered using primary and secondary sources. The secondary data covered air pollutants (CO and O ) from 1980 to 2022 and NO and SO from 2005 to 2022 across residential areas. Data obtained was analyzed using ANOVA, stepwise multiple regression and PCA. The result revealed that seasonal variation in air pollutants showed that the contents of CO and NO were high in the dry season, while those of O and SO were high in the wet season. Air pollutants were also observed to be higher in the morning than in the evening across the residential area. Results of PCA identified anthropogenic activities across the two residential areas responsible for the emission of PM and CO. In the high and low residential areas, only temperature was significantly positive and explained 30.8% and 31.3% of the variation (increase) in CO . In the high residential area, a positive and significant association was observed between temperature and CO (rho = 0.579, p<0.05); a negative association existed between wind and CO (rho = -0.627, p<0.05), while in the low-density areas, a positive and significant association was observed between temperature and CO (rho = 0.610, p<0.05). Based on the findings, the study suggested that the road network should be rehabilitated and widened to accommodate the increasing volume of vehicular traffic. In addition, afforestation should be encouraged, to serve as a carbon sink along the major highway roads, to achieve Sustainable Development Goals (SDG 9 & SDG11). </p>