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Urban Expansion and Population Growth in Omdurman City, Sudan Using Geospatial Technologies and Statistical Approaches
Current Issue
Volume 2, 2015
Issue 1 (January)
Pages: 1-7   |   Vol. 2, No. 1, January 2015   |   Follow on         
Paper in PDF Downloads: 34   Since Aug. 28, 2015 Views: 2057   Since Aug. 28, 2015
Authors
[1]
Eiman A. Mohammed, Remote Sensing Authority and Seismological Science, National Centre for Research (NCR), Khartoum, Sudan.
[2]
Hanan M. Alawad, Remote Sensing Authority and Seismological Science, National Centre for Research (NCR), Khartoum, Sudan.
[3]
Khalid A. Elsayed Zeinelabdein, Depaertment of Geology, Faculty of Petroleum and Minerals, Al Neelain University, Khartoum, Sudan.
[4]
Abdelhafiz G. Ali, Department of Geography, Faculty of Arts, Al Neelain University, Khartoum, Sudan.
Abstract
The current study represents an attempt to investigate the status of Omdurman City urban land, Sudan to identify, characterize and quantify the urban sprawl using remote sensing and GIS techniques as well as statistical calculations. The identification, characterization and quantification of sprawl are very important for better urban planning and land resource management. The main objective of this study is to identify and characterize the urban sprawl and population growth of Omdurman City in the period from 1987 through 2000 to 2013 using the powerfulness of remote sensing and GIS technologies to process three Landsat TM, ETM and OLI imageries for the detection, measurement, and analysis of land use/land cover (LULC) changes. The outcome of this study indicated that the total population increased from 552,161 persons in 1983 census to 963,301 persons in1993 census and reached 2,099,751 persons in 2008 census. Omdurman City population is increasing rapidly from 150,000 in 1890 to 3,099,711 in 2014, depending mainly on displacement, migration and natural population growth. As a consequence, the urban land in the study area was increased from 147.8 square km in the year 1987, to 245.5 square km in 2000. This increase may be attributed to the population growth; however, the migration contributes significantly. Two types of displacement and migration occurred: from the rural areas to Khartoum, and that happened during the eighties of the last century due to desertification affected most parts of Sudan, the event that forced many people to migrate to Khartoum. The urban land was increase to 614.9 square km in the year 2013 representing 160% of the urban land in 2000. An increase of about 316% between the years 1987 and 2013 was attained in the period of 26 years. The urban expansion was at the expense of the other land use/land cover types, among which the cultivated areas.
Keywords
Omdurman City, Urban Growth, Remote Sensing, Landsat Imagery, Land Use/Cover, GIS, Population Growth, Migration
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