نوع مقاله : مطالعه موردی

نویسندگان

1 داانشجوی دکتری، گروه مهندسی آب، دانشکده مهندس زراعی، دانشگاه علوم کشاورزی و منابع طبیعی ساری، ساری، ایران

2 دانشیار، گروه مهندسی آب، دانشکده مهندسی زراعی، دانشگاه علوم کشاورزی و منابع طبیعی ساری، ساری، ایران

3 دانش آموخته کارشناسی ارشد، گروه مهندسی آب، دانشکده کشاورزی، دانشگاه شهرکرد، شهرکرد، ایران

4 دانش آموخته کارشناسی ارشد، گروه مهندسی آب، دانشکده کشاورزی، دانشگاه صنعتی اصفهان، اصفهان، ایران

چکیده

کاهش چشمگیر منابع آب سطحی و خشکسالی­های متناوب اخیر استفاده از منابع آب زیرزمینی را بیشتر نموده و باعث کاهش کیفیت این آب­ها شده است. در این پژوهش 28 نمونه از آب چاه نقاط مختلف در شهرستان خانمیرزا، لردگان، بروجن، اردل و کیار در سال 1400-1399 برداشت و در آزمایشگاه مورد آنالیز شیمیایی قرار گرفت. برای ارزیابی کیفی نمونه­ها جهت استفاده در بخش­های کشاورزی، شرب و صنعت از دیاگرام ویلکوکس، دیاگرام شولر و شاخص لانژیلر استفاده شد. با استفاده از روش­های درونیابی، خصوصیات شیمیایی نمونه­های برداشت شده در محدوده مورد مطالعه بررسی و نقشه­های پهنه‏بندی کیفی با روش کریجینگ و وزن دهی عکس فاصله تهیه شد. نتایج نشان داد که بر طبق دیاگرام ویلکوکس اکثر نمونه­ها در محدوده  قرار دارند و برای مصارف کشاورزی مناسب هستند. این نمونه­ها بر طبق دیاگرام شولر برای مصارف شرب در محدوده کیفیت  و برای شرب مناسب و بر مبنای شاخص لانژیلر در محدوده رسوب­گذار و خورنده قرار می­گیرند. این پژوهش کمک می­نماید تا تصمیم­گیران با داشتن دیدی روشن با توجه به نقشه­های کیفی آب زیرزمینی، بتوانند برنامه­ریزی جامع و مفیدی در خصوص بهره­برداری و نگهداری از منابع آب زیرزمینی داشته باشند.

کلیدواژه‌ها

موضوعات

عنوان مقاله [English]

Evaluation of Suitability Groundwater Quality for Agricultural, Drinking and Industrial Purposes (Case Study: South of Chaharmahal and Bakhtiari Province)

نویسندگان [English]

  • Seyed Mohammadreza Hosseini Vardanjani 1
  • Mojtaba Khoshravesh 2
  • Marzieh Ghahreman 3
  • Masoud Naderi 4

1 PhD Scholar, Department of Water Engineering, Faculty of Agricultural Engineering, Sari Agricultural Sciences and Natural Resources University, Sari, Iran

2 Assoc. Professor, Department of Water Engineering, Faculty of Agricultural Engineering, Sari Agricultural Sciences and Natural Resources University, Sari, Iran

3 M.Sc. Alumni, Department of Water Engineering, Shahrekord University, Shahrekord, Iran

4 M.Sc. Alumni, Department of Water Engineering, Isfahan University of Technology, Isfahan, Iran

چکیده [English]

The significant reduction of surface water resources and recent recurrent droughts have increased the reliance on groundwater sources, leading to a decline in their quality. In this study, 28 samples of well water from different locations in Khanmirza, Lordegan, Borujen, Ardal and Kiar were collected in 2020-2021 and underwent chemical analysis in the laboratory. To evaluate the quality of the samples for use in agricultural, drinking and industrial sectors, the Wilcox diagram, Schuler diagram and Langlier index were used. Using interpolation methods, the chemical properties of the samples taken within the study area were examined and qualitative zoning maps were prepared using Kriging and inverse distance weighting methods. The results showed that according to the Wilcox diagram, most of the samples are within the range of C2S1 and are suitable for agricultural purposes. According to the Schuler diagram, these samples are within the range of good quality for drinking and based on the Langlier index, they are within the range of precipitating and consumable. This study helps decision-makers to have a clear view and plan comprehensively and effectively for the exploitation and preservation of groundwater resources, taking into account the qualitative maps of groundwater.

کلیدواژه‌ها [English]

  • Drought
  • Groundwater
  • Inverse Distance Weighting
  • Kriging
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