Etude d'aménagement de oued TINN pour la protection contre les inondations de la plaine des Bordjias (w. Mostaganem)

Abstract

The plain of Bordjias, located In the wilaya of Mostaganem, is crossed by Oued Tinn which is the main watercourse of study area. This river which is connected to two other rivers are mekhrallouf and Melah are the source of flooding caused by heavy precipitation. The purpose of our study is the estimation of the flood hydrograph with the SCS- CN method using the HEC-HMS tool; for each reach and the study of the response of natural watercourses to identify issues and areas at risk by developing the flood vulnerability map on the study area using a combination between the two programs AutoCAD Civil 3D and HECRAS, in order to consider control facilities against flooding.