The urban expansion and its effect on temperature trends of Faisalabad city, Pakistan

Muhammad Zaib Arshad; Zafar Iqbal; M. Satish Kumar

doi:10.47264/idea.nasij/5.1.3

Authors

Muhammad Zaib Arshad Department of Environmental Science, Comsats University Islamabad, Vehari Campus, Pakistan. https://orcid.org/0009-0004-8178-9548
Zafar Iqbal Department of Geography, University of Gujrat, Gujrat, Punjab, Pakistan. https://orcid.org/0009-0004-1566-7948
M. Satish Kumar School of Natural & Built Environment, Queens University Belfast, Northern Ireland, United Kingdom. https://orcid.org/0000-0001-7648-2630

DOI:

https://doi.org/10.47264/idea.nasij/5.1.3

Keywords:

Temperature variation, Environmental change, Urban growth, Climate change, Sustainable development, Urbanisation, Environmental problems, Urban planning

Abstract

Rapid urbanisation on the global stage is a source of worry over its environmental impacts as far as local climate patterns are concerned. This research analyses the effects of urbanisation indices on local temperature anomalies in Faisalabad, Pakistan, from 1972 to 2022. Trends of mean, maximum, and lowest temperature, urban population, built-up area, the number of factories, and the number of automobiles were analysed in the data of five decades. The plot shows that the warming trend recorded from Faisalabad’s temperature data is evident from an increase in both mean maximum and minimum temperature and the increase in mean temperature by 2°C. The city underwent rapid urbanisation during this period, which resulted in an increased urban population six times, while the extent of built-up areas was extended four times, and industrial and vehicular activities also increased considerably. This provides a statistically excellent correlation between years and temperature measures, yielding coefficients as shown (R² = 0.9615, 0.9931, and 0.9839), which indicate that the period under study has a solid relationship with these temperature patterns. The research underscores the significant climatic impacts of urbanisation and calls for environmentally responsible urban planning, suggesting global solutions to tackle urban climate change and sustainable development.

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