Flashflood and Flood Geographical Analysis and Foresight in Kahramanmaras City

Abstract

In this study, our aim was to employ a geographical analysis of flood and flash flood events in Kahramanmaras and make predictions for the future. Within the scope of the research; surface analyses, hydrological and morphometric analyses, and monitoring of time-based change studies in land use were conducted. A database was created by using MapInfo Professional 11.0 software and 1/25000 scale topography maps. Also, Thornthwaite water balance, rainfall types and its seasonal change, temperature change characteristics and linear regression analyses of climate analysis results, regression equation and rainfall and temperature predictions based on r(2) values were other analyses carried out within the scope of this research. According to the results of the morphometric analysis, looking at the flood and flash flood sensitivity of the stream basins, high risk in Akdere, Erkenez Stream Basins, moderate risk in Karacay, Cancigin, Kerhan Stream Basins and lower risk in the Basins of Igdelioz, Agcalidere, Bogazdere were observed. An increase in impermeable grounds due to urbanization can encourage flood disasters by increasing the speed and amount of surface flow in the direction of the city center.