Volume 20, Issue 77 (Fall 2016)                   JWSS 2016, 20(77): 197-210 | Back to browse issues page


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Isazadeh M, Arabzadeh R, Darbandi S. Performance Evaluation of Geostatistical Methods and Artificial Neural Network in Estimation of Aquifer Quality Parameters (Case Study: Qorveh Dehghan Plain). JWSS. 2016; 20 (77) :197-210
URL: http://jstnar.iut.ac.ir/article-1-3411-en.html
1. Dept. of Water Eng., Faculty of Agr. Tabriz Univ., Tabriz, Iran.
Abstract:   (6620 Views)

Selection of optimum interpolation technique to estimate water quality parameters in unmeasured points plays an important role in managing the quality and quantity of water resources. The aim of this study is to evaluate the accuracy of interpolation methods using GIS and artificial neural network (ANNs) model. To this end, a series of qualitative parameters of samples from water taken from Dehgolan aquifer located in Kurdistan, Iran including CL, EC and PH were evaluated by any of the models. In this study, qualitative data from 56 observation wells with good dispersion in the whole plain was used. The data of 46 observation wells were used for calibration and the data of other 10 wells were used for verification of models. The results showed ANNs, IDW, and Kriging excellence and accuracy over other models in estimation of quality parameters CL, PH and EC. However the ANNs model is more accurate than other models. In case of lack of time and the need for acceptable accuracy and less risk in the estimation of qualitative parameters, the use of ANNs model is superior to other statistical models used.

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Type of Study: Research | Subject: Ggeneral
Received: 2016/12/19 | Accepted: 2016/12/19 | Published: 2016/12/19

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