Promoting Sustainable Urban Development: An Assessment of Land Use in Dhaka City
Dhaka, the capital city of Bangladesh is one of the densely populated megacities in the world. Being the capital, the city acts as the greatest hub for economic, administrative, academic activities which eventually influences the big number of in-migration. Consequently, Dhaka is facing the highest pace of urbanization ever in the history. Urbanization is considered as a promoting factor for economic development, but rapid urbanization in unplanned manner might cause a serious hindrance to development efforts in the long run. Specially, if the role of natural environment i.e. vegetation, wetland, open space is not incorporated in the urban planning, the detrimental effects can be irreplaceable. In broader perspective, analyzing the type and extent of a city’s urbanization in light of Sustainable Development Goals is the most crucial and worthy task to perform. Therefore, the study has set its goal to see the pattern of urbanization of Dhaka City from a spatio-temporal (space-time) dimension through a specific time frame (1989-2015). Specifically, the research work examines the comparative decadal change (Increase or Decrease) between man-made landscape (Built-up area) and natural landscape (Wetland) and carefully investigates whether the pattern of urbanization matches the Sustainable Development Goal or not. In doing so, Landsat satellite imagery of concerned time frame (1989-2015) is used and analyzed carefully. The successful accomplishment of the study found the result that rapid growth of urbanization significantly deteriorates the natural environment in an alarming rate. Sustainable Development Goal 11 is a must need to consider as a guideline to ensure balanced urban development and create sustainable cities.
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