A Study on flood management practices for Güzelyurt

Şahin, Erdal
This study deals with the investigation of characteristics of a flash flood and development of design of flood mitigation facilities occurred in Güzelyurt in North Cyprus on 18th of January, 2010 and development of design of flood mitigation facilities. Hydrologic and hydraulic modeling of this flood event has been utilized to develop solutions for preventing the region from the flood. Topographical maps and soil properties are used in hydrological modeling. The data are inserted into a geographical information system program (ARC-GIS) where basin properties are obtained. Since there is no any stream flow gauging station along the creeks in the study area, the synthetic unit hydrograph is developed by using Soil Conversation Service Method to obtain design flood hydrographs. In hydraulic modeling, the cross-section data of Fabrika Creek and Bostancı Creek are taken by using global navigation satellite system (GNSS) device and total station. These data are entered into the HEC-RAS program. Flood inundation maps are generated for both creeks. After hydrological and hydraulic modeling, two solutions are proposed. The first one is to build a detention basin for storing water and a lateral channel. for diverting extra flow from Bostancı Creek to Fabrika Creek. The second solution is to build a lateral channel from Bostancı Creek to Güzelyurt Dam for diverting all water during a flood event. Based on hydrologic, hydraulic, and cost analysis, the first solution is accepted to be the feasible solution. In addition, flow carrying capacities of the creeks are improved.


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Citation Formats
E. Şahin, “A Study on flood management practices for Güzelyurt,” M.S. - Master of Science, Middle East Technical University, 2012.