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Water 2015, 7(9), 4932-4950; doi:10.3390/w7094932

Pollutant Dispersion Modeling in Natural Streams Using the Transmission Line Matrix Method

1
Laboratory CaSiCCE, Department of Electrical Engineering, Ecole Normale Polytechnique d'Oran, P.B.1523 El M'naouer, Oran 31000, Algeria
2
Laboratory LSTGP, Department of Organic and Industrial Chemistry, Faculty of Chemistry, University of Sciences and Technologies of Oran-Mohamed Boudiaf (USTO-MB), P.B.1505 El M'naouer, Oran 31000, Algeria
3
Department of Mechanical Engineering, Ecole Normale Polytechnique d'Oran, P.B.1523 El M'naouer, Oran 31000, Algeria
*
Author to whom correspondence should be addressed.
Academic Editor: Miklas Scholz
Received: 11 June 2015 / Revised: 19 August 2015 / Accepted: 31 August 2015 / Published: 9 September 2015
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Abstract

Numerical modeling has become an indispensable tool for solving various physical problems. In this context, we present a model of pollutant dispersion in natural streams for the far field case where dispersion is considered longitudinal and one-dimensional in the flow direction. The Transmission Line Matrix (TLM), which has earned a reputation as powerful and efficient numerical method, is used. The presented one-dimensional TLM model requires a minimum input data and provides a significant gain in computing time. To validate our model, the results are compared with observations and experimental data from the river Severn (UK). The results show a good agreement with experimental data. The model can be used to predict the spatiotemporal evolution of a pollutant in natural streams for effective and rapid decision-making in a case of emergency, such as accidental discharges in a stream with a dynamic similar to that of the river Severn (UK). View Full-Text
Keywords: TLM; pollutant; one-dimensional propagation; longitudinal dispersion; stream pollution TLM; pollutant; one-dimensional propagation; longitudinal dispersion; stream pollution
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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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Meddah, S.; Saidane, A.; Hadjel, M.; Hireche, O. Pollutant Dispersion Modeling in Natural Streams Using the Transmission Line Matrix Method. Water 2015, 7, 4932-4950.

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