ارزیابی مقایسه‌ای وضعیت رودخانه کارون براساس شاخص‌های کیفیت آب و آلودگی (مطالعه موردی: شهرستان باوی)

نوع مقاله : مقاله پژوهشی

نویسندگان

1 دانشجوی کارشناسی ارشد اکوهیدرولوژی، دانشگاه علوم کشاورزی و منابع طبیعی خوزستان، ملاثانی.

2 دانشیار گروه مهندسی طبیعت، دانشگاه علوم کشاورزی و منابع طبیعی خوزستان، ملاثانی

3 دانشیار گروه مهندسی طبیعت، دانشگاه علوم کشاورزی و منابع طبیعی خوزستان، ملاثانی.

چکیده

رودخانه‌ها از مهم‌ترین منابع آب هستند که نقش مهمی در تأمین آب مورد نیاز فعالیت‌های مختلف مانند کشاورزی، صنعت و شرب دارند. بنابراین تعیین رژیم جریان و کیفیت آب رودخانه یک عامل مهم تعیین‌کننده سلامت رودخانه اسـت. در این پژوهش، جهت تعیین کیفیت و پهنه‌بندی آب رودخانه کارون (محدوده شهرستان باوی) با استفاده از شاخص IRWQISC، شاخص کیفی NSFWQI و شاخص آلودگی Liou، نمونه‌برداری ماهانه از آب از فروردین تا اسفند ماه 1402 انجام شد. استفاده از این سه شاخص و ارائه آن‌ها به صورت نقشه‌های پهنه‌بندی، یک رویکرد جامع برای ارزیابی و مدیریت کیفیت آب فراهم می‌کند تا امکان درک بهتر سلامت و پایداری منابع آب توسط مدیران و تصمیم‌گیرندگان صورت گیرد. بر اساس نتایج شاخص IRWQISC، کیفیت رودخانه در رده متوسط تا نسبتا خوب بوده در حالی که بر اساس شاخص NSFWQI، آب رودخانه در طبقه کیفی بد تا متوسط و بر اساس شاخص Liou، در طبقه نسبتا آلوده قرار دارد. به نظر می‌رسد که شاخص NSFWQI و شاخص Liou سخت‌گیرانه‌تر برخورد می‌کنند اما می‌توانند شاخص‌های مناسبی برای استفاده و ارزیابی کیفیت آب جهت مصارف مختلف باشند. با توجه به کاهش کیفیت آب از ایستگاه‌های بالادست به سمت پایین‌دست محدوده مورد مطالعه، تاثیر فعالیت‌های صنعتی، زه‌آب‌های کشاورزی و فاضلاب‌های شهری را نباید نادیده گرفت و پایش مداوم کیفیت آب در این محدوده ضروری می‌باشد.

کلیدواژه‌ها

موضوعات

عنوان مقاله [English]

Comparative evaluation of Karoon river status based on water quality and pollution indices (case study: Bavi city)

نویسندگان [English]

  • Kobra Hamidi 1
  • Mitra Cheraghi 2
  • Kamran Almasieh 3
1 MSc student os Ecohydrology, Agricultural Sciences and Natural Resources University of Khuzestan
2 Department of Nature Engineering, Agricultural Sciences and Natural Resources University of Khuzestan, Mollasani, Iran,
3 Department of Nature Engineering, Agricultural Sciences and Natural Resources University of Khuzestan, Mollasani, Iran.
چکیده [English]

Rivers are one of the most important water sources that play an important role in supplying water for various needs including agriculture, industry and drinking. Determining the flow regime and water quality of the river is an important factor in determining the health of the river. In this research, in order to determine the water quality and zoning of Karoon River (Bavi region) using IRWQISC, NSFWQI quality index and Liu index, monthly water sampling was done from April to March 1402. Three indicators and their presentation in the form of zoning maps, the comprehensive system of water quality assessment and management can be used by managers and decision makers to achieve better health and sustainability of water resources. According to the results of the IRWQISC index, the quality of the river is in the medium to relatively good category, while according to the NSFWQI index, the river water is in the poor to medium quality category, and according to the Liu index, it is in the relatively polluted category. It seems that NSFWQI index and Liu index are more strict, but there can be suitable indices to use and evaluate water quality for different purposes. Considering the water quality from the upstream stations to the downstream side of the studied area, the impact of industrial activities, agricultural drains and urban areas should not be ignored and water quality monitoring in this area.

کلیدواژه‌ها [English]

  • Water Quality
  • NSFWQI
  • IRWQIsc
  • Liou

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علوم و مهندسی آبیاری
دوره 47، شماره 3
آبان 1403
صفحه 107-121

فایل ها

سابقه مقاله

  • تاریخ دریافت: 09 اردیبهشت 1403
  • تاریخ بازنگری: 31 خرداد 1403
  • تاریخ پذیرش: 02 تیر 1403
  • تاریخ انتشار: 01 آبان 1403

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