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<p>Sustainable development is contingent upon being cognizant of the regional impacts of climate change, particularly its influence on rainfall patterns and waste management systems. This study examines rainfall trends from 1960 to 2023 and their implications for sustainable waste management in Ikeja, Ibadan, and Ilorin—three cities representing distinct ecological zones (EZs) in southwestern Nigeria. Using secondary data from the Nigerian Meteorological Agency, Abuja, the study applied second-order polynomial fitting and Bivariate Linear Regression Analysis (BLRA) to identify significant trends in annual rainfall. Qualitative data were collected through stakeholder interviews with community leaders and government officials, alongside document reviews of waste management practices. Thematic analysis was used to extract information on the systemic challenges and adaptive strategies needed to address climate impacts. The results indicate a statistically significant decline in annual rainfall in Ikeja (Freshwater Swamp Forest EZ) since 1985, with a correlation value of 0.39, supposedly impairing water scarcity issues and complicating waste processing. On the other hand, Ibadan (Lowland Rainforest EZ) and Ilorin (Southern Guinea Savannah) have experienced significant increases in rainfall since the early and mid-1980s, with correlation values of 0.56 and 0.61, respectively, leading to recurrent flooding that disrupts waste collection and disposal systems. The study stresses the urgent need for adaptive waste management strategies that align with Sustainable Development Goals (SDGs) 11 (Sustainable Cities and Communities) and 13 (Climate Action). By incorporating rainfall trends with qualitative acumens, this research highlights practical solutions, such as flood-resistant waste management infrastructure and water-efficient processing technologies. Policymakers and urban planners can leverage these findings to develop climate-resilient waste management systems that safeguard public health, enhance environmental quality, and ensure urban sustainability in the face of climate change.</p>

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Assessing rainfall trends and its implications on sustainable waste management in southwestern Nigeria

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年3月18日

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  • Timothy A. Akinkuolie,
  • Timothy O. Ogunbode,
  • Aruna O. Adekiya

摘要

Sustainable development is contingent upon being cognizant of the regional impacts of climate change, particularly its influence on rainfall patterns and waste management systems. This study examines rainfall trends from 1960 to 2023 and their implications for sustainable waste management in Ikeja, Ibadan, and Ilorin—three cities representing distinct ecological zones (EZs) in southwestern Nigeria. Using secondary data from the Nigerian Meteorological Agency, Abuja, the study applied second-order polynomial fitting and Bivariate Linear Regression Analysis (BLRA) to identify significant trends in annual rainfall. Qualitative data were collected through stakeholder interviews with community leaders and government officials, alongside document reviews of waste management practices. Thematic analysis was used to extract information on the systemic challenges and adaptive strategies needed to address climate impacts. The results indicate a statistically significant decline in annual rainfall in Ikeja (Freshwater Swamp Forest EZ) since 1985, with a correlation value of 0.39, supposedly impairing water scarcity issues and complicating waste processing. On the other hand, Ibadan (Lowland Rainforest EZ) and Ilorin (Southern Guinea Savannah) have experienced significant increases in rainfall since the early and mid-1980s, with correlation values of 0.56 and 0.61, respectively, leading to recurrent flooding that disrupts waste collection and disposal systems. The study stresses the urgent need for adaptive waste management strategies that align with Sustainable Development Goals (SDGs) 11 (Sustainable Cities and Communities) and 13 (Climate Action). By incorporating rainfall trends with qualitative acumens, this research highlights practical solutions, such as flood-resistant waste management infrastructure and water-efficient processing technologies. Policymakers and urban planners can leverage these findings to develop climate-resilient waste management systems that safeguard public health, enhance environmental quality, and ensure urban sustainability in the face of climate change.