Investigation Of Land Use/Cover Changes Of Sazlidere Basin By Using Band Ratio For Built-Up Area (BRBA)

FRESENIUS ENVIRONMENTAL BULLETIN, cilt.26, sa.1, ss.39-45, 2017

Investigation Of Land Use/Cover Changes Of Sazlidere Basin By Using Band Ratio For Built-Up Area (BRBA)

Sariyilmaz F. B. , Musaoğlu N. , Tanik A. G.

Abstract: Water is an essential natural resource to all living organisms for their survival. It is therefore of utmost importance to provide satisfactory amount and quality of water to ensure the continuity of human life. The adverse effects of urbanization on the basins from where drinking water is supplied are well known especially in highly crowded areas. Currently, basins that provide drinking water demand of Istanbul Metropolitan Area are considerably affected by the changes occurring in land use and urbanization. Thus, it is important to establish the most updated form of land use/land cover changes and to improve plans for the solution of effective water management problems. At this stage, remote sensing technology has been utilized as a tool to serve for this purpose. Sazlidere Basin, which is one of the drinking water reservoirs of Istanbul, is selected as the study area of concern. The impervious surfaces representing the human induced structures of the basin were determined by using temporal remote sensing data and through Band Rotation for Built up Area (BRBA) technique. As a result of this study, both classification and BRBA index outputs showed that there is a development in the northwest-southeast direction in Arnavutkoy district centre that lies within the boundaries of the Sazlidere Basin. Also, it can be seen on both the 2000 dated classified image and index result image that a new road has been constructed before year 2000 on the western side of the basin in the northwest southeast direction within the district centre. BRBA index results proved that the impervious surfaces had a significant increase of 154% from 1997 to 2015 within the district centre.

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