Assessment the impact of spatial resolution of satellite images in land cover classification for the center and city of Naga Hammadi during the period (1990-2020)

Document Type : Original Article

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1 Geography Department, Faculty of Arts, South Valley University

2 Department of Geography and Geographic Information Systems, Faculty of Arts, South Valley University, Qena, Egypt.

Abstract

The study dealt with Assessment the effect of spatial resolution in land cover classification for the center and city of Naga Hammadi in comparison between satellite images for the years 1990, 2000, 2010, 2020, by means of user accuracy, product accuracy, total accuracy, and Kappa coefficient for classified satellite Images, This is to Explanation which is better in terms of spatial resolution.
            The study relied on the objective approach specific to the phenomenon, and the historical approach to track classified land covers of their historical development, in addition to employing the causal approach to find out the direct reasons to Explanation the difference between the accuracy of classification for satellite images, As well as the technology of geographic information systems and remote sensing to Explanation the classification accuracy assessment matrices for each of the years.
            And it became clear through the study that the accuracy of the classification of the satellite images of the Land cover for the year 2020 is  the Upper most of all accuracy elements than other satellite images. For the years 2000 and 2010, in terms of total accuracy and the Kappa coefficient, they reached 95.0% and 0.92 respectively. Finally, the satellite images of the year 1990 came with a total accuracy of 90.0%, with a Kappa coefficient of about 0.84.

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