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Estimation of the suspended sediment loud of Karaj River using fuzzy logic and neural networks

    Authors

    • A. Salajegheh
    • A. Fathabadi
,
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Abstract

Correct estimation of suspended sediment transported by a river is an important practice in water structure design, environmental problems and water quality issues. Conventionally, sediment rating curve used for suspended sediment estimation in rivers. In this method discharge and sediment discharge or concentration related using regression relation that generally is exponential model. Respect to uncertainty and nonlinear relation between discharge and sediment concentration, sediment rating curve has not enough efficiency for this purpose. In this study using Artificial Intelligent (Fuzzy Logic and Artificial Neural Network), suspended sediment in Karaj River was estimated. First, various neural network and fuzzy logic models established. For neural network and fuzzy logic, models with four neuron in hidden layers and FIS (Fuzzy Inference System) with four Gaussian membership functions, respectively were selected as the best structure. Finally, the results showed that fuzzy logic estimates the suspended sediment loud better than the other techniques and therefore is suggested for estimation of suspended sediment load.

Keywords

  • Artificial Neural Network
  • Fuzzy logic
  • Karaj River
  • Sediment Rating Curve
  • Suspended Sediment
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Journal of Range and Watershed Managment
Volume 62, Issue 2 - Serial Number 325065
October 2009
Pages 271-282
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  • PDF 273.4 K
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How to cite
  • RIS
  • EndNote
  • Mendeley
  • BibTeX
  • APA
  • MLA
  • HARVARD
  • VANCOUVER
Statistics
  • Article View: 2,554
  • PDF Download: 3,691

APA

Salajegheh, A., & Fathabadi, A. (2009). Estimation of the suspended sediment loud of Karaj River using fuzzy logic and neural networks. Journal of Range and Watershed Managment, 62(2), 271-282.

MLA

A. Salajegheh; A. Fathabadi. "Estimation of the suspended sediment loud of Karaj River using fuzzy logic and neural networks". Journal of Range and Watershed Managment, 62, 2, 2009, 271-282.

HARVARD

Salajegheh, A., Fathabadi, A. (2009). 'Estimation of the suspended sediment loud of Karaj River using fuzzy logic and neural networks', Journal of Range and Watershed Managment, 62(2), pp. 271-282.

VANCOUVER

Salajegheh, A., Fathabadi, A. Estimation of the suspended sediment loud of Karaj River using fuzzy logic and neural networks. Journal of Range and Watershed Managment, 2009; 62(2): 271-282.

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