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رسول زمانی احمدمحمودی احسان فتحی سمیرا بیاتی پونه قربانی دشتکی

چکیده

رودخانه یک اکوسیستم پویا است که علاوه بر اهمیتی که در صنعت، کشاورزی و شرب دارد، تحت تأثیر فعالیت‌های مختلف قرار می‌گیرد. هدف از این مطالعه ارزیابی کیفیت آب رودخانه بهشت‌آباد واقع در استان چهارمحال و بختیاری با استفاده از شاخص آلودگی Liou و انتخاب مهم‌ترین پارامترها بر اساس تجزیه و تحلیل مؤلفه اصلی می‌باشد. در اين مطالعه 7 پارامتر کيفي آب شامل دما، اکسيژن محلول، اکسيژن­خواهي بيولوژيکي، نیتروژن آمونیاکی، هدايت الکتريکي، کل مواد جامد معلق و پتانسیل هیدروژن در طول رودخانه در 7 ايستگاه انتخابي به مدت شش ماه از فروردین‌ تا شهريور سال 1395 با استفاده از روش­های استاندارد سنجش آب و فاضلاب مورد اندازه‌گيري قرار گرفتند. یافته­های حاصل از مطالعه حاضر نشان داد که کيفيت آب طي مدت پژوهش در ايستگاه‌هاي نمونه‌برداري و در تمامی ماه‌ها طبق شاخص آلودگی Liou در طبقه کيفيت خوب بوده ‌است. همچنين طبق تکنیک آماری تحلیل مؤلفه اصلی دو مؤلفه به‌عنوان مؤلفه اصلی معرفی شدند. نتایج تحقیق نشان داد که پارامترهای اکسيژن­خواهي بيولوژيکي، هدايت الکتريکي، کل مواد جامد معلق در بعضی از ایستگاه‌ها در محدوده استاندارد و در برخی دیگر بیش از حد استاندارد بودند. علاوه بر این نتايج مطالعه نشان داد كه كيفيت آب رودخانه بهشت‌آباد در طي ماه‌هاي مختلف تغييرات چنداني نداشت و کیفیت آب خوب بود. این پژوهش، سودمندی و کارایی تکنیک آماری چند متغیره تحلیل مؤلفه اصلی و استفاده از شاخص­ها را به منظور مدیریت مؤثر کیفیت آب سطحی نشان می‌دهد.

جزئیات مقاله

کلمات کلیدی

استان چهارمحال و بختیاری, پارامترهاي فيزيکوشيميايی آب, شاخص آلودگی رودخانه, منابع آب

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ارجاع به مقاله
زمانی احمدمحمودیر., فتحیا., بیاتیس., & قربانی دشتکیپ. (2019). بررسی کیفیت آب رودخانه بهشت¬آباد با استفاده از شاخص آلودگی Liou و تحلیل مؤلفه اصلی. آب و خاک, 405-417. https://doi.org/10.22067/jsw.v0i0.79102
نوع مقاله
علمی - پژوهشی