OATAO - Open Archive Toulouse Archive Ouverte Open Access Week

The Dynamics of Suspended Particulate Matter in the Oued Nachef (Tafna Basin, Algeria): Typology of Flood Events and Contribution to Sediment Transport

Kazi Tani, Hycham Abdesslam and Bouanani, Abderrazak and Baba-HamedKamila, Kamila and Probst, Jean-Luc The Dynamics of Suspended Particulate Matter in the Oued Nachef (Tafna Basin, Algeria): Typology of Flood Events and Contribution to Sediment Transport. (2020) Journal of Geological Resource and Engineering, 8. 145-160. ISSN 2328-2193

[img]
Preview
(Document in English)

PDF (Publisher's version) - Requires a PDF viewer such as GSview, Xpdf or Adobe Acrobat Reader
9MB

Official URL: https://doi.org/10.17265/2328-2193/2020.05.002

Abstract

This article focuses on the study of sediment transport during flood events in the Oued Nachef watershed that feeds the Mefrouche dam. To understand the sediment dynamics in this watershed, ANRH data on instantaneous water discharges and the respective concentrations of suspended particulate matter were used. This enabled the selection of some of the largest flood events over a 24-year period in order to establish the log-log relationships between sediment load (concentration and flux) and water discharge. However, the discharge-concentration relationships revealed hysteresis phenomena that enabled a flood typology to be established and classified into seven categories, thus showing very different transfer dynamics in relation to flood events. The results showed that Category 6 floods presenting hysteresis in the form of a figure of eight exported almost 44% of the suspended particulate matter load while representing just 29% of the flow discharge.

Item Type:Article
Additional Information:Licence : CC BY-NC 4.0
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE)
Université de Toulouse > Institut National Polytechnique de Toulouse - Toulouse INP (FRANCE)
Université de Toulouse > Université Toulouse III - Paul Sabatier - UT3 (FRANCE)
Other partners > Université Abou Bekr Belkaid Tlemcen (ALGERIA)
Other partners > Centre universitaire de Maghnia (ALGERIA)
Laboratory name:
Statistics:download
Deposited On:05 Jan 2021 13:53

Repository Staff Only: item control page