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Water 2018, 10(7), 895; https://doi.org/10.3390/w10070895

Erosion, Suspended Sediment Transport and Sedimentation on the Wadi Mina at the Sidi M’Hamed Ben Aouda Dam, Algeria

1
Laboratoire Génie de l’Eau et de l’Environnement, Higher National School of Hydraulic, 09000 Blida, Algeria
2
University of Khemis Miliana, 44225 Ain Defla, Algeria
3
IRD Hydrosciences, 34090 Montpellier, France
4
Geo-Environment Laboratory, Faculty of Earth Sciences, Geography and Spatial Planning, University of Sciences and Technology Houari Boumediene, 16111 Bab Ezzouar Algiers, Algeria
*
Author to whom correspondence should be addressed.
Received: 28 March 2018 / Revised: 4 June 2018 / Accepted: 26 June 2018 / Published: 4 July 2018
(This article belongs to the Special Issue Modeling and Practice of Erosion and Sediment Transport under Change)
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Abstract

The objective of this study was to follow-up on the evolution of the hydro-pluviometric schemes and particular elements of Wadi Mina (6048 km2) to the Sidi M’Hamed Ben Aouda Dam to evaluate the silting origin and status of this dam situated in the northwest of Algeria. The pluviometric study targeted a series of rains during 77 years (1930–2007), the liquid discharge data cover a period of 41 years (1969–2010) and the solids and suspended sediment concentrations data cover very variable periods, starting from 22 to 40 years for the entire catchment area. The statistical tests for ruptures detection on the chronological series of rains and discharges indicate a net reduction of rains of more than 20% on the entire basin since 1970. The evolution of solids inputs was quantified: the maximum values are registered on autumn start and at the end of spring. The Wadi Mina basin brings annually 38 × 106 m3 of water with a specific degradation of 860 t·km−2·year−1. By comparing the results found, we thus observe that the basin upstream of SMBA (1B) Dam is the greatest sediment producer towards the dam because it shows a specific degradation equal to 13.36 t·ha−1·year−1. View Full-Text
Keywords: Wadi Mina; Algeria; sediment; ruptures; SMBA Dam; specific degradation Wadi Mina; Algeria; sediment; ruptures; SMBA Dam; specific degradation
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Hallouz, F.; Meddi, M.; Mahé, G.; Toumi, S.; Rahmani, S.E.A. Erosion, Suspended Sediment Transport and Sedimentation on the Wadi Mina at the Sidi M’Hamed Ben Aouda Dam, Algeria. Water 2018, 10, 895.

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