Determination of Some Basin Characteristics and Distribution of Lands According to Physiographic Features by Geographic Information Systems of Fırtına River Basin Using Geographical Information Systems
Abstract
Sustainable planning and management of natural resources should be done according to integrated watershed planning and management principles. In order to reveal a successful integrated watershed management plan, it is very important to determine the basin characteristics and the distribution of the lands according to elevation, angle, slope and rock types together with the sub-basins of the basin where the planning will be made. For this purpose, the Fırtına river basin, which is a very large rainfall basin, has been divided into two large sub-basin groups, east and west, and the distribution of the lands according to elevation, slope, aspect and rock groups with some land characteristics has been revealed with using the Geographical Information System (GIS). According to the results of the research,the drainage area of the Fırtına river basin is 1155.44 km2. 60.12% of the lands in the western basin group of Fırtına river basin are located on shady exposure and 39.88% on sunny exposure. According to the geological rock groups, the largest land is in the granite-microgranite-granodiorite series with 29041.02 ha (34.96 %) and the largest land according to the slope is in the 19684.21 ha (23.70%) inclination group of 31-40 %. 53.40% of the Durak river basin lands are on shady exposure and 46.60% on sunny exposure. In Durak river basin, the largest land according to slope (8191.90 ha) is in the slope group of 31-40% and the largest land according to the rock group is in the granite-microgranite-grandiorite rock group with 61.68%.
Keywords
altitude , basin characteristics , Durak river basin , Fırtına river basin
Kaynakça
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