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International Journal of Innovation and Applied Studies
ISSN: 2028-9324     CODEN: IJIABO     OCLC Number: 828807274     ZDB-ID: 2703985-7
 
 
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Evaluation of material flows in the Mé River watershed (Ivory Coast)


Volume 40, Issue 4, October 2023, Pages 1084–1102

 Evaluation of material flows in the Mé River watershed (Ivory Coast)

Ehouman Serge Koffi1, Anzoumanan KAMAGATÉ2, Jean Thierry Koffi KOFFI3, Amidou Dao4, Dabissi Djibril Noufé5, Bamory Kamagaté6, Lanciné Droh GONE7, Maurice Guilliod8, Luc Séguis9, and Jean Louis PERRIN10

1 Laboratoire Géosciences et Environnement (LGE), UFR Sciences et Gestion de L’environnement (SGE), Université Nangui Abrogoua (UNA), 02 BP 801 Abidjan 02, Côte d’Ivoire
2 Laboratoire des Sciences et Techniques de l’Eau et de l’Environnement (LSTEE), Unité de Formation et de Recherche (UFR) des Sciences de la Terre et des Ressources Minières (STRM), Université Felix Houphouët Boigny 22 Bp 582 Abidjan 22, Côte d'Ivoire
3 Science and management of Environment, Nangui Abrogoua University, Abidjan, Côte d'Ivoire
4 Laboratoire Géosciences et Environnement (LGE), UFR Sciences et Gestion de L’environnement (SGE), Université Nangui Abrogoua (UNA),02 BP 801 Abidjan 02, Côte d’Ivoire
5 Laboratoire Géosciences et Environnement (LGE), UFR Sciences et Gestion de L’environnement (SGE), Université Nangui Abrogoua (UNA), 02 BP 801 Abidjan 02, Côte d’Ivoire
6 Université NANGUI ABROGOUA, Abidjan, Côte d’Ivoire
7 Science and management of Environment, Nangui Abrogoua University, Abidjan, Côte d'Ivoire
8 HydroSciences Montpellier, IRD-Université de Montpellier, Montpellier, France
9 HydroSciences Montpellier, IRD-Université de Montpellier, Montpellier, France
10 Institut de Recherche pour le Développement - HydroSciences Montpellier, UMR 5569 (IRD, UM, CNRS), Montpellier, France

Original language: English

Copyright © 2023 ISSR Journals. 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.

Abstract


Soil erosion by precipitation, rainfall and runoff is a widespread phenomenon in different countries of the world. It becomes disastrous in particular on the slopes because of the torrentiality of the flow, of the strong vulnerability of the grounds (soft rocks, fragile grounds, steep slopes). The present study has for objective: The analysis of the data of concentrations of sediments in suspension are measured at the station of the rivers highlights relations, linking the concentration (or the solid flow) of the sediments in suspension to the liquid flow and to quantify the seasonal, monthly and interannual and intra annual variation of the surface degradation. Annual tonnage estimates of solids loads to the Mé were derived from the power law for all seasons. From this deduction, the annual quantities of sediment transported by the Mé from 2015/2017 is 7.06.106 t/year, or a specific degradation of 1.79.103 t/km2/year. On the other hand, in 2017, the value of this solid input is 3.06.106 t/year. However, the annual solid input is estimated at 7063.03.103 t/year with a specific degradation of 1784.47 t/km2/year at the Mé from 2015 to 2017.

Author Keywords: Abidjan District, Solid Transport, Solid Flow, Sediments, Suspended Matter.


How to Cite this Article


Ehouman Serge Koffi, Anzoumanan KAMAGATÉ, Jean Thierry Koffi KOFFI, Amidou Dao, Dabissi Djibril Noufé, Bamory Kamagaté, Lanciné Droh GONE, Maurice Guilliod, Luc Séguis, and Jean Louis PERRIN, “Evaluation of material flows in the Mé River watershed (Ivory Coast),” International Journal of Innovation and Applied Studies, vol. 40, no. 4, pp. 1084–1102, October 2023.