The Development of a Flood Inundation Map: A Case Study of Karamustafa Village, Çankırı

Floods are severe natural disasters that affect many regions around the world, including developed countries, causing significant loss of life and property each year. In Türkiye, floods rank among the natural disasters causing the greatest losses after earthquakes. In order to prevent these damages, the generation of flood maps is of great importance. In the study, a flood inundation map for a 500-year flood event was formed for Çankırı-Çerkeş Karamustafa Village using HEC-RAS hydraulic modeling, followed by the design of a channel. The results showed that, under current conditions, 50 houses were inundated, substantial agricultural areas were affected, and a flood inundation area of 35864.5 m² was formed. Simulations showed that the proposed concrete trapezoidal channel would prevent Karamustafa Village from being affected by a 500-year flood event. It was noted that future studies would benefit from calibration with local data to obtain more accurate results. Flood inundation maps are vital for water resource management and urban planning. The use of updated data and optimized channel sections is essential for preventing potential flood disasters and minimizing future loss of life and property.