:: Volume 3, Issue 7 (7-2009) ::
jwmseir 2009, 3(7): 23-34 Back to browse issues page
Modeling Spatial Variability of Ground Water Chemical Properties Using Geostatistical Methods
Vahid Habibi * , Abbas Ahmadi , Mohammad mehdi Fattahi
Abstract:   (14671 Views)

To model the spatial variability of groundwater chemical characteristics, our research was performed

using Geostatistic and deterministic methods. In our study, Na+, Cl-, HCO3

-2, total Cations, TH, SAR, EC

and TDS from ground water characteristics were selected. At first, normality of data tested using

Kolmogorov-Smirnov test, then we transformed EC, total Cations and TDS using logarithmic transformation.

Variography and interaction variogram of data calculated. The result of estimated and expected

amount using MAE and MBE were presented. Result showed significance of Geostatistical methods in

comparison to deterministic methods and Cokriging increased result's precision. Cokriging is the best

method for modeling of Cl-, total Cations and TH. Disjunctive Kriging is the suitable methods for modeling

of HCO3

-2 and Na+. Universal Kriging resulted best model for TDS. On the other hand ordinary Kriging

is the best method for SAR modeling.

Keywords: Ground Water, Deterministic Methods, Geoststistics, Modeling and Cokriging.
Full-Text [PDF 2443 kb]   (2388 Downloads)    
Type of Study: Research | Subject: Special
Received: 2013/02/4 | Published: 2009/07/15


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Volume 3, Issue 7 (7-2009) Back to browse issues page