How geographical information systems and remote sensing are used to determine morphometrical features of the drainage network of Kastro (Kasatura) Bay hydrological basin
Geographical information systems (GIS) and remote sensing have applications in many fields, but have a strikingly important use in studies related to drainage network morphometry. The data source that is produced from GIS contributes greatly to examination of the drainage features of the site under investigation and to the acquisition of numerical data. In order to demonstrate the application potential of GIS and remote sensing, the hydrology of the Kastro Gulf River, which is connected to Kırklareli and the boundaries of the Vize area, has been examined. The data source for this study consisted of a 1 : 25 000 scaled topographical map, 25 September 1987 Landsat Thematic Mapper, 2 July 2000 Landsat Enhanced Thematic Mapper and 25 June 2006 Advanced Spaceborne Thermal Emission and Reflection Radiometer images of satellite and terrain observation. Analysis of the data was performed with the benefit of Arc GIS 9.1 and Erdas 8.5 software. Three-dimensional analysis and spatial analysis modules, which are important for the determination of networks, have also been used. By use of the obtained splitting quantity of the Sultanbahce and Elmalı brooks, which are streams within the basin, hydrographic data such as drainage density, stream frequency and stream length have been evaluated and analysed by means of GIS and remote sensing.
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Document Type: Research Article
Affiliations: Faculty of Literature, Geography Department, Istanbul University, Beyazıt, Istanbul, Turkey
Publication date: January 1, 2009