Submitted: 16 Apr 2017
Accepted: 15 May 2017
First published online: 05 Jun 2017
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Avicenna J Environ Health Eng. 2017;4(1):11792-11792.
doi: 10.5812/ajehe.11792
  Abstract View: 161
  PDF Download: 246

Research Article

A Comparison of Performance of Artificial Neural Networks for Prediction of Heavy Metals Concentration in Groundwater Resources of Toyserkan Plain

Meysam Alizamir 1 * , Soheil Sobhanardakani 2

1 Young Researchers and Elite Club, Hamedan Branch, Islamic Azad University, Hamedan, IR Iran
2 Department of the Environment, Hamedan Branch, Islamic Azad University, Hamedan, IR Iran
*Corresponding author: Meysam Alizamir, Young Researchers and Elite Club, Hamedan Branch, Islamic Azad University, Hamedan, IR Iran. Tel: +98-9125750213, Email: meysamalizamir@gmail.com

Article

Nowadays, about 50% the world’s population is living in dry and semi dry regions and has utilized groundwater as a source of drinking water. Therefore, forecasting of pollutant content in these regions is vital. This study was conducted to compare the performance of artificial neural networks (ANNs) for prediction of As, Zn, and Pb content in groundwater resources of Toyserkan Plain. In this study, two types of artificial neural networks (ANNs), namely multi-layer perceptron (MLP) and Radial Basis Function (RBF) approaches, were examined using the observations of As, Zn, and Pb concentrations in groundwater resources of Toyserkan plain, Western Iran. Two statistical indicators, the coefficient of determination (R2) and root mean squared error (RMSE) were employed to evaluate the performances of various models. The results indicated that the best performance could be obtained by MLP, in terms of different statistical indicators during training and validation periods.
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