نشریه محیط زیست طبیعی

مقایسة عملکرد روش‌های مختلف درون‌یابی در پایش و پهنه‌بندی آب رودخانة کارون بر پایة شاخص‌های کیفی و آلودگی (مطالعة شهرستان باوی)

نوع مقاله : مقاله پژوهشی

نویسندگان

گروه مهندسی طبیعت، دانشکدة کشاورزی، دانشگاه علوم کشاورزی و منابع طبیعی خوزستان، ملاثانی، ایران.

10.22059/jne.2024.377023.2676

چکیده

افزایش جمعیت و فعالیت‌های انسانی و به‌دنبال آن ورود پساب‌ها به رودخانه‌ها از عوامل اصلی تهدید‌کنندة سلامت جوامع انسانی و اکوسیستم‌ها می‌باشد. باتوجه به تأثیر این فعالیت‌ها بر کیفیت آب رودخانه‌ها، پایش مداوم و ارزیابی کیفیت رودخانه‌ها ضروری است. با توجه به آنکه عوامل انسانی مانند آلاینده‌های صنعتی باعث افزایش غلظت آلاینده‌ها در آب رودخانه می‌شوند، بنابراین ارزیابی آن نقش مهمی در سلامت رودخانه‌ها دارد. از آنجا که پایش نقطه به نقطه رودخانه زمان‌بر و هزینه‌بر است، از این‌رو، با استفاده از روش‌های مختلف درون‌یابی، به تعیین بهترین روش پهنه‌بندی شاخص‌های کیفی و آلودگی آب رودخانة کارون از فروردین تا اسفند ماه 1402 در بازة شهرستان باوی پرداخته شد. نتایج نشان داد که روش کریجینگ در مقایسه با سایر روش‎ها، بهترین روش درون‌یابی است. در ادامه با انتخاب بهترین مدل درون‌یابی براساس سمی واریوگرام‌ها، پهنه‌بندی مربوط به هر پارامتر با بهترین مدل کریجینگ ترسیم شد. براساس نقشه‌های پهنه‌بندی، کیفیت آب رودخانة کارون در ایستگاه‌های پمپاژ آب نیروگاه رامین و کوت سید سلطان در وضعیت متوسط قرار می‌گیرند که ناشی از بالا بودن فعالیت‌های کشاورزی در منطقه و نیز ورود فاضلاب‌های صنعتی و شهری است.

کلیدواژه‌ها

عنوان مقاله [English]

Comparing the performance of different interpolation methods in the monitoring and zoning of Karoon river water based on quality and pollution indicators (Case study: Bavi county)

نویسندگان [English]

  • Kobra Hamidi
  • Mitra Cheraghi
  • Kamran Almasieh

Department of Nature Engineering, Faculty of agriculture, Agricultural Sciences and Natural Resources University of Khuzestan, Mollasani, Iran.

چکیده [English]

The increase in population and human activities, followed by the entry of effluents into rivers, are among the main factors that threaten health in human societies and ecosystems. Due to the impact of these activities on river water quality, continuous monitoring and evaluation of river quality are necessary. Considering that human factors such as industrial pollutants increase the concentration of pollutants in river water, its assessment plays an important role in the health of rivers. Since monitoring the river from point to point is time consuming and expensive, using different geostatistical methods is necessary to determine the best method of zoning the quality indicators and water pollution of the Karoon River from April to March 1402 in the city. Bavi was paid. Thus, after checking the normality of the data and choosing the best interpolation model based on the semivariograms, the zoning for each parameter was drawn with the best interpolation method. The results showed that the Kriging method is the best interpolation method compared to other methods. According to the zoning maps, the water quality of the Karoon River at the water pumping stations of Ramin Power Plant and Kot Seyed Sultan is in an average state, which is caused by the high level of agricultural activities in the region and the entry of industrial and urban wastewater.

کلیدواژه‌ها [English]

  • Bavi
  • Interpolation
  • Qualitative and Pollution index
  • Water quality
  • Zoning
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نشریه محیط زیست طبیعی
دوره 78، ویژه‌نامه پایش و مدیریت آلاینده‌های محیط‌زیست طبیعی
تیر 1404
صفحه 19-31