1- Habibi V, Ahmadi A, Fattahi MM. Modeling spatial variability of groundwater chemical properties using geostatistical methods. Iranian Journal of Watershed Management Science and Engineering. 2009; 3(7): 23-34. [Persian].
2- El-Fadel M, Tomaszkiewicz M, Adra Y, Sadek S, Najm MA. GIS-based assessment for the development of a groundwater quality index towards sustainable aquifer management. Water Resources Management. 2014; 28(11): 3471-3487.
3- Delbari M, Afrasiab P. Application of indicator and ordinary kringing for modeling of groundwater chloride. Journal of Environmental Studies. 2014; 40(3): 751-764. [Persian].
4- Ahmadpour H, Khaledian MR, Ashrafzadeh A, Rezaei M. Spatial and temporal mapping of groundwater electrical conductivity and total dissolved solids in Guilan plain. Water Research in Agriculture. 2014; 28(3): 667-676. [Persian].
5- Chen L, Feng Q. Geostatistical analysis of temporal and spatial variations in groundwater levels and quality in the Minqin oasis, Northwest China. Environmental Earth Sciences. 2013; 70(3): 1367-1378.
6- Taghizadeh Mehrjardi R, Zareian Jahromi M, Mahmodi S, Heidari A. Spatial distribution of groundwater quality with geostatistics (case study: Yazd-Ardakan plain). Journal of World Applied Sciences. 2008; 4(1): 09-17.
7- Heidary-Alamdarlo E, Barabadi H, Toloie S. Evaluating quality of ground water resources for irrigation, Roudab Plain, Sabzevar. Renewable Natural Resources Research Journal. 2013; 4(2): 1-12. [Persian].
8- Nas B, Berktay A. Groundwater quality mapping in urban groundwater using GIS. Environmental Monitoring and Assessment. 2010; 160(1-4): 215-227.
9- Jafari R, Bakhshandehmehr L. Analyzing the spatial variations of groundwater salinity and alkalinity in Isfahan province using geostatistics. JWSS - Isfahan University of Technology. 2014; 18 (68) :183-195. [Persian].
10- Mahmoodifard Z, Nazemi AH, Sadraddini AA, Shahbazi F. Assessment of spatial and temporal distribution of groundwater salinity and alkalinity using ordinary kriging; case study: Ardabil plain aquifer. Agriculture Science Developments. 2014; 3(7): 244-250.
11- Bameri A, Piri H, Ganji F. Assessment of groundwater pollution in Bajestan plains for agricultural purposes using indicator kriging. Journal of Water and Soil Conservation. 2015; 22(1): 211-229. [Persian].
12- Arslan H. Spatial and temporal mapping of groundwater salinity using ordinary kriging and indicator kriging: the case of Bafra Plain, Turkey. Agricultural Water Management. 2012; 113: 57-63.
13- Dash JP, Sarangi A, Singh DK. Spatial variability of groundwater depth and quality parameters in the national capital territory of Delhi. Environmental Management. 2010; 45(3): 640-650.
14- Delbari M, Amiri M, Motlagh M. Assessing groundwater quality for irrigation using indicator kriging method. Applied Water Science. 2014; doi:10.1007/s13201-014-0230-6.
15- Osati K, Salajegheh A, Areki S. Spatial variation of nitrate concentrations in groundwater by Geostatistics (Case Study: Kurdan Plain). Journal of Natural Environment. 2013; 65(4): 461-472. [Persian].
16- Hu K, Huang Y, Li H, Li B, Chen D, White RE. Spatial variability of shallow groundwater level, electrical conductivity and nitrate concentration, and risk assessment of nitrate contamination in North China Plain. Environment International. 2005; 31(6): 896-903.
18- Johnston K, Ver Hoef JM, Krivoruchko K, Lucas N. Using ArcGIS geostatistical analyst (Vol. 380): Esri Redlands. 2001.
19- Ashrafzadeh, A. River flow simulation using non-parametric methods. PhD dissertation. University of Tehran. [Persian].
20- Goovaerts P. Geostatistics for natural resources evaluation: Oxford University Press.London. 1997.
21- Journel AG, Huijbregts Ch J. Mining geostatistics: Academic press. New York. USA. 1978.
22- Neshat A, Zeinadini A. Investigation effect of the developing salinity water on the quality of irrigation water and soils physicochemical characteristics of pistachio cultivation of Sirjan area. Journal of Environmental Science and Technology. 2014; 15(2): 13-22. [Persian].
)