PROPOSING A WATER QUALITY INDEX FOR RIVERS IN IRAN

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BAYAT H.; TABESH M.; SHIRZAD A.

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Journal: IRAN-WATER RESOURCES RESEARCH Year:2018 | Volume:14 | Issue:1 Page(s): 102-113

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Title

PROPOSING A WATER QUALITY INDEX FOR RIVERS IN IRAN

Author(s)

BAYAT H. | TABESH M. | SHIRZAD A. | Issue Writer Certificate

Keywords

ANALYTICAL HIERARCHY PROCESSQ1

DELPHI METHODQ1

POLLUTANT CONCENTRATIONQ1

WATER QUALITY CLASSIFICATIONQ1

WATER QUALITY INDEXQ1

Abstract

Rivers as fresh water resources are exposed to different amounts of pollutants and therefore it is necessary to have awareness of qualitative variations in rivers. Using water quality indices is one of the methods for analysis of water quality. In this study, type and weight of the variables included in the valid national and international water quality indices were statistically examined. Then, the performance index curves of the variables were produced based on the various standards and guidelines. In the next stage, using the DELPHI METHOD 9 variables were selected as the effective variables for water resources in Iran and their weights were determined based on the ANALYTICAL HIERARCHY PROCESS. Curves with high correlation coefficients were fitted to the quality values proposed by the specialists and geometric. Average function was employed for combination of sub indices and calculating the final value of the quality index. The value of the proposed quality index was calculated for the Karoun River and was compared with the other quality indices. According to the obtained results, interpretation of water quality in the Karoun River based on the presented new quality index differs from the other quality indices.

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APA: Copy

BAYAT, H., TABESH, M., & SHIRZAD, A.. (2018). PROPOSING A WATER QUALITY INDEX FOR RIVERS IN IRAN. IRAN-WATER RESOURCES RESEARCH, 14(1 ), 102-113. SID. https://sid.ir/paper/100306/en

Vancouver: Copy

BAYAT H., TABESH M., SHIRZAD A.. PROPOSING A WATER QUALITY INDEX FOR RIVERS IN IRAN. IRAN-WATER RESOURCES RESEARCH[Internet]. 2018;14(1 ):102-113. Available from: https://sid.ir/paper/100306/en

IEEE: Copy

H. BAYAT, M. TABESH, and A. SHIRZAD, “PROPOSING A WATER QUALITY INDEX FOR RIVERS IN IRAN,” IRAN-WATER RESOURCES RESEARCH, vol. 14, no. 1 , pp. 102–113, 2018, [Online]. Available: https://sid.ir/paper/100306/en

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