Abstract
A mega-industrial region is frequently the result of purposeful regional development policies. Mega-region development is a new form of rapid urbanization and economic growth that is stimulated by government infrastructure projects. The objective of this research is to examine how the core built-up area and population growth of Khulna city, Bangladesh are slowing relative to the periphery as a result of mega-regionalization. We describe the spatial transformation of the city using GIS and remote sensing for built-up area identification and two urban expansion indices–expansion intensity index and urban expansion differentiation index–for quantitative measurements. The findings indicate that the city's periphery is seeing a higher rate of land use change and population agglomeration than the core. Secondly, the development hotspots are located in the peripheral regions. This change is largely fuelled by conventional speculative land and housing development similar to most cities with growing economies, and not the result of becoming a mega-industrial region. The land use transformation at the regional level and the city’s periphery has catastrophic repercussions because of massive resettlement and depeasantization.
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(Source: Adapted from BEZA, 2020 and Authors, 2022)
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Acknowledgements
We acknowledge Mr. Zaki Arafin, Research Assistant at the Department of Urban and Regional Planning, Khulna University of Engineering & Technology (KUET) for collecting some basic information on Khulna city.
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MMM (corresponding author) was responsible for the idea, writing and organisation, making final draft and submitting the paper. TM and SKS prepared the maps and was responsible for data collection. FYS and AKI were responsible for field work and data analysis. SS was responsible for editing, and grammar and fact check.
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Morshed, M.M., Mazumder, T., Sarkar, S.K. et al. Transformation towards a mega-regional formation of Khulna city, Bangladesh. Spat. Inf. Res. 30, 665–677 (2022). https://doi.org/10.1007/s41324-022-00465-2
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DOI: https://doi.org/10.1007/s41324-022-00465-2