A concern before the construction of the High Dam had been the potential drop in river-bed level downstream of the Dam as the result of erosion caused by the flow of sediment-free water.
Ašalalat dat təmuqunt tan Haut Barrage taqal ayfanaz aśohen ən hadi nasarere wan ašašil wa sabadayan daɣ tebaģawt fal salan naxašad iganen fal tənazamaren wirhiha erkišxil.