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Drinking Water Engineering and Science An interactive open-access journal

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Drink. Water Eng. Sci., 9, 57-67, 2016
https://doi.org/10.5194/dwes-9-57-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
Research article
28 Oct 2016
Investigation of the relationship between drinking water quality based on content of inorganic components and landform classes using fuzzy AHP (case study: south of Firozabad, west of Fars province, Iran)
Marzieh Mokarram1 and Dinesh Sathyamoorthy2 1Marzieh Mokarram (Department of Range and Watershed Management, College of Agriculture and Natural Resources of Darab, Shiraz University, Iran
2Dinesh Sathyamoorthy (Science & Technology Research Institute for Defence (STRIDE), Ministry of Defence, Malaysia
Abstract. In this study, the fuzzy analytic hierarchy process (AHP) is used to study the relationship between drinking water quality based on content of inorganic components and landform classes in the south of Firozabad, west of Fars province, Iran. For determination of drinking water quality based on content of inorganic components, parameters of calcium (Ca), chlorine (Cl), magnesium (Mg), thorium (TH), sodium (Na), electrical conductivity (EC), sulfate (SO4), and total dissolved solids (TDS) were used. It was found that 8.29 % of the study area has low water quality; 64.01 %, moderate; 23.33 %, high; and 4.38 %, very high. Areas with suitable drinking water quality based on content of inorganic components are located in parts of the south-eastern and south-western parts of the study area. The relationship between landform class and drinking water quality based on content of inorganic components shows that drinking water quality based on content of inorganic components is high in the stream, valleys, upland drainages, and local ridge classes, and low in the plain small and midslope classes. In fact we can predict water quality using extraction of landform classes from a digital elevation model (DEM) by the Topographic Position Index (TPI) method, so that streams, valleys, upland drainages, and local ridge classes have more water quality than the other classes. In the study we determined that without measurement of water sample characteristics, we can determine water quality by landform classes.

Citation: Mokarram, M. and Sathyamoorthy, D.: Investigation of the relationship between drinking water quality based on content of inorganic components and landform classes using fuzzy AHP (case study: south of Firozabad, west of Fars province, Iran), Drink. Water Eng. Sci., 9, 57-67, https://doi.org/10.5194/dwes-9-57-2016, 2016.
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The relationship between landform class and drinking water quality based on content of inorganic components shows that drinking water quality based on content of inorganic components is high in the stream, valleys, upland drainages, and local ridge classes, and low in the plain small and midslope classes. In fact we can predict water quality using extraction of landform class from a DEM by the TPI method, so that stream, valleys, upland drainages, and local ridge classes have more water quality.
The relationship between landform class and drinking water quality based on content of inorganic...
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