Evolution of a new surface water quality index for Karoon catchment in Iran
Water quality standards are developed worldwide by national and international agencies for pollution control decision-making. Use-based water quality classification criteria and Water Quality Indices (WQIs) also play an important role in the assessment of the suitability of water resources for vario...
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| Veröffentlicht in: | Water science and technology 2011-01, Vol.64 (12), p.2483-2491 |
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| creator | Semiromi, F Babaei Hassani, A H Torabian, A Karbassi, A R Lotfi, F Hosseinzadeh |
| description | Water quality standards are developed worldwide by national and international agencies for pollution control decision-making. Use-based water quality classification criteria and Water Quality Indices (WQIs) also play an important role in the assessment of the suitability of water resources for various applications. The present study proposes a better overall index for water quality in Iran and its application in Karoon River by exploring the behavior and limitations of conventional methods for quality evaluation. For this purpose, six variables were employed. Water quality determinants of the new index include Dissolved Oxygen, Total Dissolved Solids, Turbidity, Nitrate, Fecal coliform and pH. Besides, the mathematical equations applied to transform the actual concentration values into quality indices have been formulated. This study compares a new index called the Iranian Water Quality Index with other pre-existing indices such as NSFWQI, Oregon, CPCB WQI, MDOE WQI, Kaurish and Younos WQI, and Ahmed Said WQI. Results revealed that the overall quality of the surface water falls under the 'good' class. A case study of Karoon River is made to illustrate the application of this new index system. |
| doi_str_mv | 10.2166/wst.2011.780 |
| format | Article |
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Use-based water quality classification criteria and Water Quality Indices (WQIs) also play an important role in the assessment of the suitability of water resources for various applications. The present study proposes a better overall index for water quality in Iran and its application in Karoon River by exploring the behavior and limitations of conventional methods for quality evaluation. For this purpose, six variables were employed. Water quality determinants of the new index include Dissolved Oxygen, Total Dissolved Solids, Turbidity, Nitrate, Fecal coliform and pH. Besides, the mathematical equations applied to transform the actual concentration values into quality indices have been formulated. This study compares a new index called the Iranian Water Quality Index with other pre-existing indices such as NSFWQI, Oregon, CPCB WQI, MDOE WQI, Kaurish and Younos WQI, and Ahmed Said WQI. Results revealed that the overall quality of the surface water falls under the 'good' class. 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| identifier | ISSN: 0273-1223 |
| ispartof | Water science and technology, 2011-01, Vol.64 (12), p.2483-2491 |
| issn | 0273-1223 1996-9732 |
| language | eng |
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| source | MEDLINE; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals |
| subjects | Case studies Catchment area Coliforms Decision making Dissolved oxygen Environmental Monitoring Evaluation Government International organizations Iran Mathematical analysis Mathematical models Pollution control Quality assessment Quality standards Rivers Rivers - chemistry Stormwater Surface water Total dissolved solids Turbidity Water Pollutants, Chemical - chemistry Water pollution Water Pollution - analysis Water quality Water quality control Water quality standards Water resources Water Supply - analysis |
| title | Evolution of a new surface water quality index for Karoon catchment in Iran |
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