Dozdozan plain is located in 80 kilometers south-east of Tabriz and is one of the
most fertile plains of East Azerbaijan. The main economy of its residents is based on
agriculture and as a result of the scarcity of surface water resources; agricultural sector
is the More
Dozdozan plain is located in 80 kilometers south-east of Tabriz and is one of the
most fertile plains of East Azerbaijan. The main economy of its residents is based on
agriculture and as a result of the scarcity of surface water resources; agricultural sector
is the major consumer of ground water. In this study, the application of Fuzzy Set theory
for evaluation of ground water quality for agricultural purposes is used. In this research,
seven ground water parameters from 50 wells were measured from 2012 to 2013 in
Dozdozan plain. Based on Fuzzy Water Quality Model, the ground-water quality is
classified in three categories; desirable, acceptable and unacceptable. Results showed
only 17 samples from 50 wells come in desirable class with certainty level of 63.6 to 84
percent. About 28 samples classified in the acceptable category whose certainty level
ranged from 48 to 64.5 percent and the remaining five samples were in not acceptable
category with the maximum certainty level of 13.7 percent.
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