Monitoring City Lands Use Changes toward Hazardous Areas(Case Study: City Area of Islamabad of west)

Urban development and growth have been some factors of land use change in recent years. Awareness of the amount and the process of the made changes is essential in order to future planning. Therefore, this research has proceeded to the monitoring and analysis of land use change in the city area of Islamabad and the process of residential areas development towards hazardous areas. This research has used satellite images (Landsat 4, 7 and 8) of 1990, 2000, 2010, and 2018. After providing the land use map in ENVI software, the made changes has been analysed by using IDRISI software and Also, the process of development of residential areas for 2035 and 2050 has been predicted. Eventually, the research has evaluated the development process of residential areas in hazardous areas. The results of the study indicate that during a period of 28 years (from 1990 to 2018); the residential use has increased from 7.7 km2 in 1990 to 13.8 km2 in 2018. Moreover, the result of the change process prediction of residential areas suggest that these areas will increase to 16.5 and 18.7 km2 by 2035 and 2050. In addition, the results of the evaluation of residential areas development towards hazardous areas indicate that about 0.9 km2 of the whole residential areas have been in hazardous areas. This amount has increased to 1.5, 1.9, and 2.6 km2 for the years 2000, 2010 and 2018 the most of which relates to northern areas of city area of Islamabad of West.