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 JWARP  Vol.8 No.11 , October 2016
Determination of Watershed Boundaries in Turkey by GIS Based Hydrological River Basin Coding
Abstract: A study was performed to develop hydrological river basin coding for Turkish river basins using the pfafstetter coding system. The coding system developed in this study is based on the combination of ECRINS and pfafstetter methods. River Basin District concepts were incorporated in this method so that it can be applicable to the management of Turkish River Basins. Developed hydrological river basin coding system is flexible, versatile and fits to all types of basins in Turkey. In order to show the efficiency of the coding system, it was applied to three river basins each of which has different hydrological and topographical features from the others. The basins used for the application of the coding system have complex features such as being transboundary basins, or being coastal basins whose discharge is not joining to the main drainage system, or being a closed basin discharging to an inland lake. Using the developed hydrological river basin coding defines river basin boundaries accurately, preventing conflicts in sectorial water allocation that are caused by uncertainty in the locations of water sources, producing a base for determining water potential and estimating extreme hydrological events of the basin, producing a basis for the prevention of water disputes among stakeholders within the basin, and helping implementation of Integrated Water Resources Management (IWRM) at basin level.
Cite this paper: Darama, Y. and Seyrek, K. (2016) Determination of Watershed Boundaries in Turkey by GIS Based Hydrological River Basin Coding. Journal of Water Resource and Protection, 8, 965-981. doi: 10.4236/jwarp.2016.811078.
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