نوع مقاله : مقاله پژوهشی

نویسندگان

1 استاد، گروه مهندسی آب، دانشکده کشاورزی، دانشگاه رازی، کرمانشاه، ایران

2 دانش آموخته کارشناسی ارشد، گروه مهندسی آب، دانشکده کشاورزی، دانشگاه رازی، کرمانشاه، ایران

چکیده

رودخانه­ها جزو مهم­ترین بخش­های منابع آب شیرین محسوب می­شوند و پایش کیفی آن­ها از لحاظ تغییرات مکانی و زمانی بسیار حائز اهمیت است. لذا، هدف این پژوهش تعیین کیفیت آب رودخانه گلین با استفاده از شاخص CWQI جهت احداث مراکز پروش ماهیان گرم­آبی و سرد­آبی بود. پارامتر­های DO،pH ، BOD5، NO3، هدایت الکتریکی، دما، کدورت، سختی کل،  TDS، CaCO3، NO2، CO2، Cu، NH3 و Fe از آب رودخانه گلین در یک دوره yr 1 از آوریل 2019 تا مارس 2020 در تناوب هر ماه دو بار نمونه­برداری شد. نتایج نشان داد پارامترهای BOD5، TDS، CaCO3، NH3، Cu و NO3 در مقایسه با استانداردهای پرورش ماهیان گرم­آبی و سرد­آبی در رده نامطلوب قرار دارند. مقایسه شاخص CWQI در پرورش ماهیان سردآبی در ماه­های مختلف نشان داد که به­ترتیب بیش­ترین و کم­ترین میزان عددی شاخص با مقادیر 02/70 و 37/60 در ماه­های بهمن و آذر مشاهده شد. هم­چنین مقادیر عددی شاخص در پرورش ماهیان گرم­آبی به­ترتیب بیش­ترین و کم­ترین میزان عددی شاخص با مقادیر 38/85 و 96/70 در ماه­های فروردین و بهمن مشاهده شد. نتایج پژوهش نشان داد با توجه ­به میزان نهایی شاخص CWQI به­طور کلی آب رودخانه گلین جهت پرورش ماهیان گرم­آبی و سردآبی در محدوده مطلوب می­باشد.

کلیدواژه‌ها

موضوعات

عنوان مقاله [English]

Golin River Water Quality Assessment in Kermanshah Province Using Canada Water Quality Index (CWQI) for Construction of Fish Breeding Centers

نویسندگان [English]

  • Houshang Ghamarnia 1
  • zoleikha Palash 2
  • Meisam Palash 2

1 Professor, Department of Water Engineering, Faculty of Agriculture, Razi University, Kermanshah, Iran

2 M. Sc. Alumni, Department of Water Resource Engineering, Faculty of Agriculture, Razi University, Kermanshah, Iran

چکیده [English]

Rivers are considered to be among the most significant sources of fresh water, and their quality monitoring holds significant importance in terms of both spatial and temporal changes. In this study, the water quality of Golin River was investigated using the CWQI index for the construction of warm and cold-water fish breeding centers. Different parameters as: DO, pH, BOD5, NO3, Ec, turbidity, temperature, TDS, CaCO3, NO2, total hardness, CO2, Cu, NH3, and Fe were sampled twice a month from the water from April 2019 to March 2020. The results showed that the parameters of BOD5, TDS, CaCO3, NH3, Cu, and NO3 were in the unfavorable category in comparison with the standards of hot and cold-water fish farming. Comparison of CWQI index in cold-water fish farming in different months showed that the highest and lowest numerical values ​​of the index with values ​​of 70.02 and 60.37 were observed in February and December, respectively. Also, the numerical values ​​of the index in warm-water fish farming were observed as the highest and the lowest numerical values ​​of the index with the values ​​of 85.38 and 70.96, in April and February, respectively. The results of this study showed that according to the final value of CWQI index, in general, the water of Golin river was suitable for warm-water and cold-water fish farming in the desired range.

کلیدواژه‌ها [English]

  • Aquaculture
  • CWQI Index
  • Kermanshah
  • River
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