INVESTIGATION OF INTERPOLATION METHODS TO DETERMINE SPATIAL DISTRIBUTION OF GROUNDWATER QUALITY IN RAFSANJAN

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TAGHIZADEH MEHRJERDI R.A.; ZAREEIAN JAHROMI M.; MAHMOUDI SHAHLA; HEYDARI AHMAD; SARMADIAN F.

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Journal: IRANIAN JOURNAL OF WATERSHED MANAGEMENT SCIENCE AND ENGINEERING Year:2009 | Volume:2 | Issue:5 Page(s): 63-70

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Title

INVESTIGATION OF INTERPOLATION METHODS TO DETERMINE SPATIAL DISTRIBUTION OF GROUNDWATER QUALITY IN RAFSANJAN

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Keywords

INTERPOLATIONQ3

SPATIAL DISTRIBUTIONQ2

GEOSTATISTICSQ3

GROUNDWATER QUALITY AND CROSS-VALIDATIONQ3

Abstract

Groundwater is one of the major sources of exploitation in arid and semi-arid regions. Thus for protecting groundwater quality, spatial and temporal distribution of data are important. The objective of this research was to evaluate INTERPOLATION methods for predicting SPATIAL DISTRIBUTION of some groundwater quality such as TDS, Na+, EC, SAR, Cl- and SO4-2. Data related to 65 wells in Rafsanjan plain were used and IDW, kriging and cokriging were studied. After normalization of data, variograme was drawn. For selecting suitable model for fitness on experimental variograme, less RSS value was used. By using crossvalidation and RMSE, the best method for INTERPOLATION was then selected. Results showed that for INTERPOLATION of groundwater quality, kriging and cokriging methods are superior to IDW method. At last, the maps of groundwater quality were prepared, using the best INTERPOLATION method in GIS environment.

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APA: Copy

TAGHIZADEH MEHRJERDI, R.A., ZAREEIAN JAHROMI, M., MAHMOUDI, SHAHLA, HEYDARI, AHMAD, & SARMADIAN, F.. (2009). INVESTIGATION OF INTERPOLATION METHODS TO DETERMINE SPATIAL DISTRIBUTION OF GROUNDWATER QUALITY IN RAFSANJAN. IRANIAN JOURNAL OF WATERSHED MANAGEMENT SCIENCE AND ENGINEERING, 2(5), 63-70. SID. https://sid.ir/paper/134640/en

Vancouver: Copy

TAGHIZADEH MEHRJERDI R.A., ZAREEIAN JAHROMI M., MAHMOUDI SHAHLA, HEYDARI AHMAD, SARMADIAN F.. INVESTIGATION OF INTERPOLATION METHODS TO DETERMINE SPATIAL DISTRIBUTION OF GROUNDWATER QUALITY IN RAFSANJAN. IRANIAN JOURNAL OF WATERSHED MANAGEMENT SCIENCE AND ENGINEERING[Internet]. 2009;2(5):63-70. Available from: https://sid.ir/paper/134640/en

IEEE: Copy

R.A. TAGHIZADEH MEHRJERDI, M. ZAREEIAN JAHROMI, SHAHLA MAHMOUDI, AHMAD HEYDARI, and F. SARMADIAN, “INVESTIGATION OF INTERPOLATION METHODS TO DETERMINE SPATIAL DISTRIBUTION OF GROUNDWATER QUALITY IN RAFSANJAN,” IRANIAN JOURNAL OF WATERSHED MANAGEMENT SCIENCE AND ENGINEERING, vol. 2, no. 5, pp. 63–70, 2009, [Online]. Available: https://sid.ir/paper/134640/en

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