Affiliation:
1. 1) University of Bejaia, Faculty of Technology, Hydraulic Department, 06000 Algeria
2. 2) National Higher School of Hydraulics, Blida, Algeria
Abstract
AbstractThe sediment transport is a complex phenomenon by its intermittent nature, randomness and by its spatiotemporal discontinuity. By reason of its scale, it constitutes a major constraint for development; it decreases storage capacity of dams and degrades state of ancillary structures.The study consists in modelling the transport of sediments by HEC-RAS software in wadi Chemora (Batna, Algeria). In order to do this, we have used hydrometric data (liquid flows, and solid flows) recorded at level of the four hydrometric stations existing in watershed of wadi Chemora, the MNT of the wadi and lithologic characteristics of the wadi.In the analyses of results we used the parameters from two different floods (the first one involved the whole watershed and the second – a part of the basin) along of system of wadi Chemora (wadi Chemora and its tributaries): sediment transport capacity, volume of sediments delivered to and leaving the system and areas sensitive to erosion and sedimentation.
Subject
Agricultural and Biological Sciences (miscellaneous),Water Science and Technology,Development,Geography, Planning and Development,Environmental Engineering
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