Monitoring Urban Growth and Change Detection in Built-up Areas with High-Resolution Satellite Imageries.

Recent developments in remote sensing provide very high-resolution imageries that are partially in competition with aerial images. This paper presents an evaluation of using IKONOS-2 and WorldView-2 satellite imageries for monitoring the growth of the built-up areas in the southern part of Assiut City between 2006 and 2016. In addition, a comparison between aerial orthoimage and satellite imagery was carried out. Also, a set of satellite imagery was downloaded from the Google Earth Pro application and used in this study to determine the rate of spatial growth in the southern part of Assiut City between 2011 and 2022. The results of this study show that: Most map features can be detected and manually recognized from WorldView-2 imageries at a good level, while building detection was perfect. The applied change detection technique using IKONOS-2 imagery and WorldView-2 imagery shows that the growth of the built-up area in the south part of Assiut City between 2006 and 2016 is 783499.2 m2, representing about 16.89 % of the total test area. Recent satellite imageries from open sources such as Google Earth were used successfully to determine the rate of spatial growth of the southern part of Assiut City in the period from 2011 to 2022. The spatial growth in this period was found to have increased dramatically, especially between 2014 and 2016. Remarkable negative changes were found in the agricultural lands due to the spatial growth of the built-up area in the south direction of Assiut City. [ABSTRACT FROM AUTHOR]