DETERMINATION OF THE MOST SUITABLE GEOSTATISTICAL METHOD FOR THE PH AND TDS MAPPING OF GROUNDWATER RESOURCES (CASE STUDY: THE ARSANJAN PLAIN)

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SHABANI MOHAMMAD

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Journal: Journal of Water Resources Engineering Year:2009 | Volume:1 | Issue:1 Page(s): 47-57

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Title

DETERMINATION OF THE MOST SUITABLE GEOSTATISTICAL METHOD FOR THE PH AND TDS MAPPING OF GROUNDWATER RESOURCES (CASE STUDY: THE ARSANJAN PLAIN)

Author(s)

SHABANI MOHAMMAD | Issue Writer Certificate

Keywords

WATER QUALITYQ2

TDSQ3

PHQ3

GEOSTATISTICAL METHODSQ3

DETERMINISTIC METHODSQ3

GROUNDWATERQ3

ARSANJAN PLAINQ3

Abstract

The optimum management of water resources in order to preserve and/or enhance WATER QUALITY requires sufficient data of the location and quantity, as well as the spatial distribution of the chemical factors. Selection and accuracy of appropriate methods for zonation and mapping of variations in groundWATER QUALITY parameters depend on the regional conditions and data availability, which is an important stage for GROUNDWATER management of the region. The purpose of this research was to determine the most suitable interpolation method for the study of the spatial analysis of the PH and TDS of the GROUNDWATER in the ARSANJAN PLAIN located in the northwest of the Province of Fars. Different methods of geostatistics, including the ordinary kriging (OK) and the simple kriging (SK), as well as the DETERMINISTIC METHODS such as the inverse distance weights (IDW), the radial basis function (RBF), the local polynomial interpolation (LPI), and the global polynomial interpolation (GPI) were used. The results showed that among the DETERMINISTIC METHODS, the RBF method, having the highest R and the lowest RMSE is the most appropriate method for mapping the PH and TDS variations in the study area. Also, the results revealed that the SK, with R=0.77 and RMSE=463.5, and the OK, with R=0.27 and RMSE=0.2 had the highest priority among the kriging methods, thus are selected for mapping the PH and TDS variations, respectively. Finally, the results indicated that the SK and the OK methods had a higher priority than the DETERMINISTIC METHODS and thus are selected as suitable methods for mapping the PH and TDS variation in the ARSANJAN PLAIN, respectively.

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APA: Copy

SHABANI, MOHAMMAD. (2009). DETERMINATION OF THE MOST SUITABLE GEOSTATISTICAL METHOD FOR THE PH AND TDS MAPPING OF GROUNDWATER RESOURCES (CASE STUDY: THE ARSANJAN PLAIN). WATER ENGINEERING, 1(1), 47-57. SID. https://sid.ir/paper/169669/en

Vancouver: Copy

SHABANI MOHAMMAD. DETERMINATION OF THE MOST SUITABLE GEOSTATISTICAL METHOD FOR THE PH AND TDS MAPPING OF GROUNDWATER RESOURCES (CASE STUDY: THE ARSANJAN PLAIN). WATER ENGINEERING[Internet]. 2009;1(1):47-57. Available from: https://sid.ir/paper/169669/en

IEEE: Copy

MOHAMMAD SHABANI, “DETERMINATION OF THE MOST SUITABLE GEOSTATISTICAL METHOD FOR THE PH AND TDS MAPPING OF GROUNDWATER RESOURCES (CASE STUDY: THE ARSANJAN PLAIN),” WATER ENGINEERING, vol. 1, no. 1, pp. 47–57, 2009, [Online]. Available: https://sid.ir/paper/169669/en

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