International Journal of Civil Engineering, Construction and Estate Management (IJCECEM)

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Modeling the evolution of sediment discharge based on liquid flow rates of the Mewou river in the Mifi basin

Abstract

The objective of this study is to evaluate and to model the evolution of sediment discharge depending on the liquid flow of the Mewou River in the catchment of the Mifi. The amount of exported soil was determined by oven drying of the    water samples collected from the Mewou River at 105 °C. The MATLAB software has enabled us to simulate the evolution of sediment discharge based on liquid flow rates. The evolution of sediment discharge based on liquid flow rates obtained in this study is characterized by the polynomial model of equation nine degrees a correlation coefficient of 0.9999 and a determining coefficient of 0.9998:

Qs = a* Ql 9 + b* Ql 8 + c* Ql 7 + d* Ql 6 + e* Ql 5 + f* Ql 4 + g* Ql 3 + h* Ql 2 + i* Ql + j

This equation is more representative than the power model « Qs = a*Qlb »  which has a correlation coefficient of  0.9891 and a determining coefficient of 0.9783 or the power model « Qs = a*Qlb + b » which has a correlation coefficient of 0.9934 and a determining coefficient of 0.9868 developed by other authors.

Keywords: Model, Water discharge, function, sediment discharge, simulate

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This work by European American Journals is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 4.0 Unported License

 

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Email ID: editor.ijcecem@ea-journals.org
Impact Factor: 8.01
Print ISSN: 2055-6578
Online ISSN: 2055-6586
DOI: https://doi.org/10.37745/ijcecem.14

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