Volume 20, Issue 5 (Iranian South Medical Journal 2017)
Iran South Med J 2017, 20(5): 470-480 |
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Mirzaei R, Abbasi N, Sakizadeh M. Water Quality Assessment of Rivers in Bushehr Province by Using Water Quality Index During 2011-2013 Years. Iran South Med J 2017; 20 (5) :470-480
URL: http://ismj.bpums.ac.ir/article-1-899-en.html
URL: http://ismj.bpums.ac.ir/article-1-899-en.html
1- Department of Environment, School of Natural Resources and Earth Sciences, University of Kashan, Kashan, Iran , rmirzaei@kashanu.ac.ir
2- Department of Environment, School of Natural Resources and Earth Sciences, University of Kashan, Kashan, Iran
3- Department of Environmental Sciences, School of Sciences, Shahid Rajaee Teacher Training University, Tehran, Iran
2- Department of Environment, School of Natural Resources and Earth Sciences, University of Kashan, Kashan, Iran
3- Department of Environmental Sciences, School of Sciences, Shahid Rajaee Teacher Training University, Tehran, Iran
Abstract: (5586 Views)
Background: Bushehr Province is located in the south west of Iran, and due to water shortage crisis in this province, the water quality assessment of its rivers is very important. This study aimed to assess the quality of water in Bushehr Province rivers including Shapour, Dalaki, Helleh, Baghan, Mond, and Bahoosh revers. We chose these rivers because of their significance for drinking, agricultural and industrial consumption. For the quality assessment, we used NSFWQI and IRWQISC indexes.
Materials and Methods: In this study, water samples were taken from 11 stations along six rivers including Shapour, Dalaki, Helleh, Mond, Bahoosh and Baghan during 2011-2013. The quality of water in
above-mentioned rivers was assessed using NSFWQI and IRWQISC indexes. PO4, NO3, DO, BOD, and COD were the parameters that used for the calculation of IRWQISC whereas DO, NO3, PO4, and BOD were used for the measurement of NSFWQI index. One way analysis of variance was applied for the comparison of the mean of water quality parameters among different years. Moreover, ArcGIS 10.1 was applied for spatial analysis of water quality parameters and water quality indexes.
Results: The results of this study indicated that according to IRWQISC index, Baghan and Dalaki rivers with the scores of 31.3 and 39.8 respectively, were categorized as low water quality rivers; while Shapour, Mond, Bahoosh, and Helleh with the scores ranging between 46 to 53, were placed in the average water quality category. In addition, according to NSFWQI index, Baghan River with a water quality index value of 68 was in the average water quality category whereas the rest of the rivers with values ranging between 73 to 80 were placed in the high water quality category.
Conclusion: The findings of this study showed that the quality of water in Shapour, Dalaki, Helleh, Mond, Bahoosh and Baghan rivers was suitable for agricultural purposes. However, for drinking purposes, the water in these rivers should be purified.
Materials and Methods: In this study, water samples were taken from 11 stations along six rivers including Shapour, Dalaki, Helleh, Mond, Bahoosh and Baghan during 2011-2013. The quality of water in
above-mentioned rivers was assessed using NSFWQI and IRWQISC indexes. PO4, NO3, DO, BOD, and COD were the parameters that used for the calculation of IRWQISC whereas DO, NO3, PO4, and BOD were used for the measurement of NSFWQI index. One way analysis of variance was applied for the comparison of the mean of water quality parameters among different years. Moreover, ArcGIS 10.1 was applied for spatial analysis of water quality parameters and water quality indexes.
Results: The results of this study indicated that according to IRWQISC index, Baghan and Dalaki rivers with the scores of 31.3 and 39.8 respectively, were categorized as low water quality rivers; while Shapour, Mond, Bahoosh, and Helleh with the scores ranging between 46 to 53, were placed in the average water quality category. In addition, according to NSFWQI index, Baghan River with a water quality index value of 68 was in the average water quality category whereas the rest of the rivers with values ranging between 73 to 80 were placed in the high water quality category.
Conclusion: The findings of this study showed that the quality of water in Shapour, Dalaki, Helleh, Mond, Bahoosh and Baghan rivers was suitable for agricultural purposes. However, for drinking purposes, the water in these rivers should be purified.
Keywords: Water Quality Index (NSFWQI), Iran Surface Water Quality Index (IRWQISC), Bushehr Province, Spatial analysis
Type of Study: Original |
Subject:
Public Health
Received: 2016/12/3 | Accepted: 2017/04/19 | Published: 2017/11/13
Received: 2016/12/3 | Accepted: 2017/04/19 | Published: 2017/11/13
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