Spatial variability of groundwater quality and its suitability for drinking and irrigation in the Amik Plain (South Turkey) |
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| Authors: | Necat A?ca |
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| Institution: | 1. Department of Soil Science and Plant Nutrition, Faculty of Agriculture, Mustafa Kemal University, Antakya, Hatay, Turkey
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| Abstract: | In this study, it is determined physicochemical properties of the groundwater and the spatial variability of physicochemical properties of the groundwater in the Amik plain and as well as assess its suitability for drinking and irrigation. A total 92 groundwater samples were collected from drilled well in June 2012. In addition, the 42 of 92 drilled wells were also sampled in September 2012 to evaluate the changes of groundwater properties. According to t test values, the mean Ca2+, SO4 2?, Mg2+ and TH values in the June period were significantly lower than those of the September period. On the other hand, the mean (CO 3 2? + HCO3 ?) and RSC and MR values in the June period were significantly higher than those of the September period. The order of relative abundance of major cations in the groundwater (in mg L?1) is in order Na+ > Mg2+ > Ca2+ > K+. The order of the anions abundance (mg L?1) is SO4 2? > Cl? > HCO3 ? > CO3 2? in this research. Log and square-root transformation were carried out for the most of the water properties before the calculation of semivariance. The nugget ratio showed all the variables were strongly spatial dependent except for K+ and Mg2+ and (CO3 2? + HCO3 ?) which showed moderate spatial dependence (ratio ranging from 28 to 49.9 %). Spatial distribution analysis of groundwater quality indicated that The EC, TDS values and Na and Cl? contents which is important water quality parameters increase from northern towards southern. The total hardness values increase also from northwestern towards southwestern. |
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