با همکاری انجمن هیدرولیک ایران

نوع مقاله : مقاله پژوهشی

نویسندگان

1 دانشجوی دکتری علوم و مهندسی آبخیز،گروه مرتع و آبخیزداری، دانشکده منابع طبیعی و کویرشناسی، دانشگاه یزد، یزد، ایران

2 استاد،گروه مرتع و آبخیزداری،دانشکده منابع طبیعی و کویر شناسی،دانشگاه یزد، یزد، ایران

3 دانشیار پژوهشکده حفاظت خاک و آبخیزداری کشور، سازمان تحقیقات، آموزش و ترویج کشاورزی، تهران، ایران

10.22077/jaaq.2025.8619.1089

چکیده

نظارت مستمر و ارزیابی کیفیت منابع آب یک مسئله کلیدی برای حفاظت و مدیریت پایدار آن است. هدف از این مطالعه بررسی کیفیت آب چشمه‌های حوزه آبخیز سد ایلام واقع در استان ایلام با استفاده از شاخص WQI ، استاندارد WHO و بررسی نمودارهای شولر و پایپر می‌باشد. در این مطالعه ده پارامتر کیفی آب شامل سولفات، کلر، بی‌کربنات، PH، TDS، سختی‌کل، پتاسیم، سدیم، منیزیوم و کلسیم در 4 چشمه انتخابی به مدت 6 ماه از فروردین 1402 تا شهریور 1402 با استفاده از روش‌های استاندارد مورد اندازه‌گیری قرار گرفتند. نتایج مطالعه حاضر نشان داد که طبق روش WQI، کیفیت آب طی مدت پژوهش در ایستگاه‌های نمونه‌برداری با امتیاز38/07 تا 45/45 در وضعیت عالی قرار گرفته ‌است. نتایج تحقیق نشان داد که طبق استاندارد WHO، تمامی پارامترها در محدوده استاندارد قرار گرفتند. همچنین کیفیت آب طبق نمودار شولر در وضعیت خوب و طبق نمودار پایپر در گروه بیکربناته کلسیمی قرار گرفتند. با وجود کیفیت آب عالی، ضروری است که نظارت‌های مستمر و مدیریت دقیق‌تری اعمال شود تا از احتمال وقوع آلودگی‌های آینده جلوگیری شود. تحلیل‌های انجام‌شده با استفاده از شاخص‌های WQI و نمودارهای پایپر و شولر نشان می‌دهد که این ابزارها برای تحلیل و تفسیر مجموعه‌ای از داده‌های پیچیده، ارزیابی کیفیت آب و فهم مکانی کیفیت آب برای مدیریت مؤثر کیفیت آب مفید و سودمند هستند و می‌توانند به‌عنوان مبنای محکمی برای تصمیم‌گیری‌های مدیریتی و اجرای سیاست‌های حفاظتی مورد استفاده قرار گیرند.

کلیدواژه‌ها

موضوعات

عنوان مقاله [English]

Investigating the water quality and hydrogeochemical characteristics of Springs in the Ilam Dam watershed

نویسندگان [English]

  • Ehsan Fathi 1
  • Mohammadreza Ekhtesasi 2
  • Ali Talebi 2
  • Jamal Mosaffaie 3

1 PhD Student in Watershed Science and Engineering, Department of Rangeland and Watershed Management, Faculty of Natural Resources and Desertology, Yazd University, Yazd, Iran.

2 Professor, Rangeland and Watershed Department, Faculty of Natural Resources and Desertology, Yazd University, Yazd, Iran.

3 Associate Professor, Soil Conservation and Watershed Management Research Institute, Agricultural Research,Education and Extension Organization (AREEO), Tehran, Iran

چکیده [English]

continuous monitoring and assessment of water quality are key issues for its sustainable protection and management. The aim of this study is to evaluate the water quality of springs in the Ilam Dam Watershed, located in Ilam Province, using the Water Quality Index (WQI), WHO standards, and an analysis of Schuler and Piper diagrams. In this study, ten water quality parameters, including sulfate, chloride, bicarbonate, pH, TDS, total hardness, potassium, sodium, magnesium, and calcium, were measured in four selected springs over a six-month period, from April 2023 to September 2023, using standard methods. The results of this study indicated that, according to the WQI method, the water quality in the sampling stations was rated as excellent, with scores ranging from 38.07 to 45.45 during the study period. The findings also showed that, according to WHO standards, all parameters were within the acceptable range. Additionally, the water quality was classified as good according to the Schuler diagram and as calcium bicarbonate type according to the Piper diagram. Despite the excellent water quality, it is essential to implement continuous monitoring and more precise management to prevent potential future contamination. The analyses conducted using WQI, Piper, and Schuler diagrams demonstrate that these tools are useful and effective for analyzing and interpreting complex data sets, assessing water quality, and understanding the spatial distribution of water quality for effective water quality management. These tools can serve as a solid foundation for management decision-making and the implementation of protective policies.

کلیدواژه‌ها [English]

  • Schuler
  • Spring
  • Water Quality
  • WQI
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