Abstract

AbstractAfter a drought in the 1990s, Tlemcen (Algeria) experienced heavy rains. The rains of recent years have caused several floods. They have become frequent and usually cause significant damage. Urbanism, climate change and floods: Case of Tlemcen city in Algeria. The examination of our results concerning the impacts of flood risks on the agglomeration of the Province of Tlemcen for different periods T = 5 years and T = 100 years, as well as the visualization of Khemis wadi in 3D, shows that, for the return periods examined, there is always overflow of the minor bed, which is required to make adjustments. This study presents a method of flood risk studying in Oued Khemis, Tlemcen region.KeywordsFlood riskWadi overflowWadi floodWatershed of Wadi KhemisFlood return-periods

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