Towards a Remote Sensing and GIS-Based Technique to Study Population and Urban Growth: A Case Study of Multan

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DOI: 10.4236/ars.2018.73017    1,589 Downloads   4,152 Views  Citations

ABSTRACT

In recent decades, the migration rates of the large cities of Punjab have been risen up to a considerable level due to the lack of employment opportunities as well as lack of facilities in the rural areas of the province. It has caused an unprecedented and unplanned urbanization across the urban areas of the province. This study has been undertaken to perform fractal analysis about the sprawl in rapidly growing city. GIS and remote sensing data have been used in this study as an emerging technology which is cost effective as well as accurate at the same time. Landsat images have been taken for the study and the sprawl has been calculated with the analysis of the data of each decade for past more than 40 years. It has been observed that the built up area is 47.8 to 141.12 Sq. Km whereas the pattern of urban settlement has been classified as clustered and linear, following the roads network. The temporal population growth also seconded these results. The population growth rate and population density increase, are based on the pixel based extraction of the data from satellite imagery for the period of 2000 to 2014, which is taken as a decision support tool. In 2000, the population of the district increased from 2,071,694 (1981 census) to 2,939,907 and then in 2013, it became 4,384,191 at a rate to 2.93% upturn per annum. Moreover, the study also reveals the extent of the growth of other land uses as well which may be taken as a reference that in an agricultural country like Pakistan, the natural resources are being wasted (by urbanization of the fertile land). There must be some master planning to avoid such things in the other cities as well.

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Ali, A. , Khalid, A. , Butt, M. , Mehmood, R. , Mahmood, S. , Sami, J. , Qureshi, J. , Shafique, K. , Ghalib, A. , Waheed, R. , Ali, F. , Mukhtar, R. and Azhar, M. (2018) Towards a Remote Sensing and GIS-Based Technique to Study Population and Urban Growth: A Case Study of Multan. Advances in Remote Sensing, 7, 245-258. doi: 10.4236/ars.2018.73017.
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