A Comparative Analysis of Lajeunesse Model with other Used Bed Load Models - Effects on River Morphological Changes

Mohamed Gharbi; Amel Soualmia; Denis Dartus; Lucien Masbernat

doi:doi:10.11648/j.wros.20140305.12

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A Comparative Analysis of Lajeunesse Model with other Used Bed Load Models - Effects on River Morphological Changes

Mohamed Gharbi, Amel Soualmia, Denis Dartus, Lucien Masbernat

Published in Journal of Water Resources and Ocean Science (Volume 3, Issue 5)

Received: 23 September 2014 Accepted: 10 October 2014 Published: 20 October 2014

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Abstract

Among the phenomena that greatly influence the river morphology is the sediment transport, especially the bed load mode causing a significant changes in the river morphology. Indeed, the choice of a model or a methodology that can better quantify sediment transport, remains always poorly understood. In this context, a new approach to studying the morphological evolution of rivers is proposed by Charru in 2004, it is based on a model for the erosion and deposition of the particles under laminar flow. In 2006, Charru proposes an extension of this model to turbulent flow. In more advanced research, Lajeunesse in 2010, realizes an experimental study to support the erosion deposition model of Charru, and proposes a new formula to calculate the bed load transport rate. The current research focuses on the effects of bed load transport on the morphological changes in rivers. In the first part, a comparative analysis of empirical laws of bed load transport with experimental data was conducted, in order to test and validate the new bed load model proposed by Lajeunesse, then to check the grain size effect on the sediment transport capacity. In the second part, we are interested in the study of the morphological evolution in rivers. It was performed through numerical modeling using TELEMAC 2D coupled with SISYPHE. The aim is to understand and analyze the morphological changes in the channel bottom. The analysis of the results presented in this paper showed that through the calculated score, most formulas give satisfactory results. In particular at the grain scale, the new bed load transport relation of Lajeunesse, provides an excellent fit to the experimental data. Finally, we were interested in the study of the morphological changes in the channel bottom, it appers clear that the bed load transport has large impacts on river morphology.

Published in	Journal of Water Resources and Ocean Science (Volume 3, Issue 5)
DOI	10.11648/j.wros.20140305.12
Page(s)	61-68
Creative Commons	This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.
Copyright	Copyright © The Author(s), 2024. Published by Science Publishing Group

Keywords

Bed Load Transport Models, River Morphology, Bed Load Transport, Erosion, Deposition

References

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[2]	F. Charru, “Selection of the ripple length on a granular bed sheared by a liquid flow,” Journal Physics of Fluids, Vol. 18, pp. 121508-1, 2006.
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[5]	P. Belleudy, “Restoring flow capacity in the Loire River bed,” Hydrological Processes. Hydrol, Process 03. 1220-1233, 2000.
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[7]	M. Gharbi, and A. Soulamia, “Simulations des crues éclair au niveau de la haute vallée de la Medjerda,” Deuxième Congrès Tunisien de Mécanique COTUME, Sousse, Tunisie, pp.81-86, 2012.
[8]	M. Houssais, and E. Lajeunesse, “Bed load transport of a bimodal sediment bed,” Journal of Geophysical Research, pp 115-1, 2012.
[9]	E. Lajeunesse, L. Malverti, and F. Charru, “Bed load transport in turbulent flow at the grain scale: Experiments and modeling,” Journal of Geophysical Research, Vol. 115, 2010.
[10]	A. Recking, “An analysis of nonlinearity effects on bed load transport prediction,” Journal of Geophysical Research: Earth Surface, Vol. 118, pp.1-18, 2013.
[11]	A. Recking, P. Frey, A. Paquier, and P. Belleudy, “An experimental investigation of mechanisms involved in bed load sheet production and migration,” Journal of Geophysics Research Vol.114, 2009.
[12]	A.F. Shields, Application of similarity principles and turbulence research to bed-load movement, Mitteilungen der Preussischen Versuchsanstalt fur Wasserbau und Schiffbau, Germany,” pp 5–24, 1936.
[13]	L. C. Van Rijn, “Principles of Sediment Transport in rivers, Estuaries and Coastal Seas,” Aqua Publications in Netherlands: pp.1-612, 1993.
[14]	E. Meyer‐Peter, and R. Müller, “Formulas for bed‐load transport, “ The 2nd Meeting of International Association for Hydraulic Research,” Int. Assoc. for Hydraul, Stockholm, Germany, 1948.
[15]	K. Ashida, and M. Michiue, “Studies on bed-load transport rate in open channel flows,” International Association for Hydraulic Research International, Symposium on River Mechanics, Bangkok, Thailand, pp.407–417, 1973.
[16]	H. Einstein, “The bed-load function for sediment transportation in open channel flows,” Tech. Bull, U.S, Departement of Agriculture, Washington, D. C, 1950.
[17]	F. Engelund, and J. Fredsoe, “A sediment transpot model for straight alluvial channels,” Nord. Hydrol, Vol 7(5), pp.293–306, 1976.
[18]	R. Fernandez-Luque, and R. Van Beek, “Erosion and transport of bed load sediment,” Journal of Hydraulic Research, Vol.14, pp.127–144, 1976.
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[22]	C Villaret, and J. M. Hervouet, “Comparaison croisée de différentes approches pour le transport sédimentaire par charriage et suspension, ” Laboratoire National d'Hydraulique et Environnement. IXèmes Journées Nationales Génie Civil – Génie Côtier, 2006.
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APA Style

Mohamed Gharbi, Amel Soualmia, Denis Dartus, Lucien Masbernat. (2014). A Comparative Analysis of Lajeunesse Model with other Used Bed Load Models - Effects on River Morphological Changes. Journal of Water Resources and Ocean Science, 3(5), 61-68. https://doi.org/10.11648/j.wros.20140305.12

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ACS Style

Mohamed Gharbi; Amel Soualmia; Denis Dartus; Lucien Masbernat. A Comparative Analysis of Lajeunesse Model with other Used Bed Load Models - Effects on River Morphological Changes. J. Water Resour. Ocean Sci. 2014, 3(5), 61-68. doi: 10.11648/j.wros.20140305.12

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AMA Style

Mohamed Gharbi, Amel Soualmia, Denis Dartus, Lucien Masbernat. A Comparative Analysis of Lajeunesse Model with other Used Bed Load Models - Effects on River Morphological Changes. J Water Resour Ocean Sci. 2014;3(5):61-68. doi: 10.11648/j.wros.20140305.12

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@article{10.11648/j.wros.20140305.12,
  author = {Mohamed Gharbi and Amel Soualmia and Denis Dartus and Lucien Masbernat},
  title = {A Comparative Analysis of Lajeunesse Model with other Used Bed Load Models - Effects on River Morphological Changes},
  journal = {Journal of Water Resources and Ocean Science},
  volume = {3},
  number = {5},
  pages = {61-68},
  doi = {10.11648/j.wros.20140305.12},
  url = {https://doi.org/10.11648/j.wros.20140305.12},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.wros.20140305.12},
  abstract = {Among the phenomena that greatly influence the river morphology is the sediment transport, especially the bed load mode causing a significant changes in the river morphology. Indeed, the choice of a model or a methodology that can better quantify sediment transport, remains always poorly understood. In this context, a new approach to studying the morphological evolution of rivers is proposed by Charru in 2004, it is based on a model for the erosion and deposition of the particles under laminar flow. In 2006, Charru proposes an extension of this model to turbulent flow. In more advanced research, Lajeunesse in 2010, realizes an experimental study to support the erosion deposition model of Charru, and proposes a new formula to calculate the bed load transport rate. The current research focuses on the effects of bed load transport on the morphological changes in rivers. In the first part, a comparative analysis of empirical laws of bed load transport with experimental data was conducted, in order to test and validate the new bed load model proposed by Lajeunesse, then to check the grain size effect on the sediment transport capacity. In the second part, we are interested in the study of the morphological evolution in rivers. It was performed through numerical modeling using TELEMAC 2D coupled with SISYPHE. The aim is to understand and analyze the morphological changes in the channel bottom. The analysis of the results presented in this paper showed that through the calculated score, most formulas give satisfactory results. In particular at the grain scale, the new bed load transport relation of Lajeunesse, provides an excellent fit to the experimental data. Finally, we were interested in the study of the morphological changes in the channel bottom, it appers clear that the bed load transport has large impacts on river morphology.},
 year = {2014}
}

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TY - JOUR
T1 - A Comparative Analysis of Lajeunesse Model with other Used Bed Load Models - Effects on River Morphological Changes
AU - Mohamed Gharbi
AU - Amel Soualmia
AU - Denis Dartus
AU - Lucien Masbernat
Y1 - 2014/10/20
PY - 2014
N1 - https://doi.org/10.11648/j.wros.20140305.12
DO - 10.11648/j.wros.20140305.12
T2 - Journal of Water Resources and Ocean Science
JF - Journal of Water Resources and Ocean Science
JO - Journal of Water Resources and Ocean Science
SP - 61
EP - 68
PB - Science Publishing Group
SN - 2328-7993
UR - https://doi.org/10.11648/j.wros.20140305.12
AB - Among the phenomena that greatly influence the river morphology is the sediment transport, especially the bed load mode causing a significant changes in the river morphology. Indeed, the choice of a model or a methodology that can better quantify sediment transport, remains always poorly understood. In this context, a new approach to studying the morphological evolution of rivers is proposed by Charru in 2004, it is based on a model for the erosion and deposition of the particles under laminar flow. In 2006, Charru proposes an extension of this model to turbulent flow. In more advanced research, Lajeunesse in 2010, realizes an experimental study to support the erosion deposition model of Charru, and proposes a new formula to calculate the bed load transport rate. The current research focuses on the effects of bed load transport on the morphological changes in rivers. In the first part, a comparative analysis of empirical laws of bed load transport with experimental data was conducted, in order to test and validate the new bed load model proposed by Lajeunesse, then to check the grain size effect on the sediment transport capacity. In the second part, we are interested in the study of the morphological evolution in rivers. It was performed through numerical modeling using TELEMAC 2D coupled with SISYPHE. The aim is to understand and analyze the morphological changes in the channel bottom. The analysis of the results presented in this paper showed that through the calculated score, most formulas give satisfactory results. In particular at the grain scale, the new bed load transport relation of Lajeunesse, provides an excellent fit to the experimental data. Finally, we were interested in the study of the morphological changes in the channel bottom, it appers clear that the bed load transport has large impacts on river morphology.
VL - 3
IS - 5
ER -

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Author Information

Mohamed Gharbi

Laboratory of Water Sciences and Technology, National Institute of Agronomy of Tunisia, University of Carthage, Tunis, Tunisia
Amel Soualmia

Laboratory of Water Sciences and Technology, National Institute of Agronomy of Tunisia, University of Carthage, Tunis, Tunisia
Denis Dartus

Institute of Fluid Mechanics of Toulouse, National Polytechnic Institute of Toulouse, University of Toulouse, Toulouse, France
Lucien Masbernat

Institute of Fluid Mechanics of Toulouse, National Polytechnic Institute of Toulouse, University of Toulouse, Toulouse, France

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APA Style

Mohamed Gharbi, Amel Soualmia, Denis Dartus, Lucien Masbernat. (2014). A Comparative Analysis of Lajeunesse Model with other Used Bed Load Models - Effects on River Morphological Changes. Journal of Water Resources and Ocean Science, 3(5), 61-68. https://doi.org/10.11648/j.wros.20140305.12

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ACS Style

Mohamed Gharbi; Amel Soualmia; Denis Dartus; Lucien Masbernat. A Comparative Analysis of Lajeunesse Model with other Used Bed Load Models - Effects on River Morphological Changes. J. Water Resour. Ocean Sci. 2014, 3(5), 61-68. doi: 10.11648/j.wros.20140305.12

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AMA Style

Mohamed Gharbi, Amel Soualmia, Denis Dartus, Lucien Masbernat. A Comparative Analysis of Lajeunesse Model with other Used Bed Load Models - Effects on River Morphological Changes. J Water Resour Ocean Sci. 2014;3(5):61-68. doi: 10.11648/j.wros.20140305.12

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@article{10.11648/j.wros.20140305.12,
  author = {Mohamed Gharbi and Amel Soualmia and Denis Dartus and Lucien Masbernat},
  title = {A Comparative Analysis of Lajeunesse Model with other Used Bed Load Models - Effects on River Morphological Changes},
  journal = {Journal of Water Resources and Ocean Science},
  volume = {3},
  number = {5},
  pages = {61-68},
  doi = {10.11648/j.wros.20140305.12},
  url = {https://doi.org/10.11648/j.wros.20140305.12},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.wros.20140305.12},
  abstract = {Among the phenomena that greatly influence the river morphology is the sediment transport, especially the bed load mode causing a significant changes in the river morphology. Indeed, the choice of a model or a methodology that can better quantify sediment transport, remains always poorly understood. In this context, a new approach to studying the morphological evolution of rivers is proposed by Charru in 2004, it is based on a model for the erosion and deposition of the particles under laminar flow. In 2006, Charru proposes an extension of this model to turbulent flow. In more advanced research, Lajeunesse in 2010, realizes an experimental study to support the erosion deposition model of Charru, and proposes a new formula to calculate the bed load transport rate. The current research focuses on the effects of bed load transport on the morphological changes in rivers. In the first part, a comparative analysis of empirical laws of bed load transport with experimental data was conducted, in order to test and validate the new bed load model proposed by Lajeunesse, then to check the grain size effect on the sediment transport capacity. In the second part, we are interested in the study of the morphological evolution in rivers. It was performed through numerical modeling using TELEMAC 2D coupled with SISYPHE. The aim is to understand and analyze the morphological changes in the channel bottom. The analysis of the results presented in this paper showed that through the calculated score, most formulas give satisfactory results. In particular at the grain scale, the new bed load transport relation of Lajeunesse, provides an excellent fit to the experimental data. Finally, we were interested in the study of the morphological changes in the channel bottom, it appers clear that the bed load transport has large impacts on river morphology.},
 year = {2014}
}

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