پهنه‌بندی کیفی آب زیرزمینی دشت بیجار - دیواندره در استان کردستان از نظر رسوب‌گذاری و خورندگی با استفاده از GIS

نوع مقاله : پژوهشی

نویسندگان

1 استاد گروه مهندسی آب، دانشگاه رازی، کرمانشاه

2 دانش آموختۀ کارشناسی ارشد، گروه مهندسی آب، دانشگاه رازی، کرمانشاه

10.22059/ije.2022.342328.1635

چکیده

به ‏دلیل افزایش جمعیت، افزایش سطح رفاه، توسعۀ صنایع و کشاورزی در کنار تغییرات اقلیمی همواره منابع آب زیرزمینی از جهت کمی و کیفی در حال تغییر است. بنابراین، بررسی تغییرات کمی و کیفی آب زیرزمینی جهت مدیریت آن امری ضروری به نظر می‏رسد. به این منظور، در تحقیق پیش رو به بررسی تغییرات کیفی آب زیرزمینی دشت بیجار‌ـ دیواندره، از نظر رسوب‏گذاری و خورندگی، با استفاده از اطلاعات دریافتی در سال‏های 1388 تا 1397 و در هر سال برای دو ماه خرداد و مهر ماه به‏ترتیب به‏عنوان ماه‏های پرآب و کم‌آب، با به‌کارگیری سامانۀ اطلاعات جغرافیایی (GIS)، پرداخته شده است. همچنین، با ارزیابی شاخص‏های متعدد برای تعیین خورندگی و رسوب‏گذاری، شاخص‏های معتبری نظیر لانژلیه، رایزنز و پوکوریوس برای کاربری صنعتی و تحلیل رسوب‏گذاری و خورندگی در این پژوهش مورد بررسی قرار گرفته است. نتایج حاصل از شاخص‏های یادشده، بیانگر این امر بود که آب زیرزمینی نواحی غربی دشت مستعد خورندگی و نواحی شرقی مستعد رسوب‏گذاری هستند و شاخص رایزنر کیفیت آب بخشی از مرکز دشت را خنثی نشان داد. پیشنهاد می‏شود تا در قسمت‏های غربی دشت بیجارـ دیواندره برای جلوگیری از خورندگی آب از هوادهی برای حذف آهن و منگنز، حفاظت کاتدی، آسترپوشی، لعاب‏کاری و رنگ‏کاری تأسیسات مورد نظر استفاده شود. همچنین، برای مناطق مرکزی به ‏طرف شرق دشت با خاصیت رسوب‏گذاری آب و بروز تأثیرات نامطلوب بر کشاورزی، صنعت و سلامت اهالی منطقه، استفاده از مواد بازدارنده رسوب‏گذاری نظیر استفاده از ترکیبات فسفاته و همچنین برداشت کمتر از منابع آب توصیه می‏شود.

کلیدواژه‌ها

موضوعات


عنوان مقاله [English]

Groundwater quality zoning of Bijar-Divandere plain in Kurdistan province in terms of sedimentation and corrosion using GIS

نویسندگان [English]

  • Houshang Ghamarnia 1
  • Seyedeh Somayeh Enayati Hosseini 2
  • Meisam Palash 2
1 Professor, Department of Water Engineering, Razi University, Kermanshah, Iran
2 Former M.Sc. Student in Department of Water Resource Engineering, Razi University, Kermanshah, Iran
چکیده [English]

Due to population growth, increasing welfare, development of industries and agriculture along with climate change, groundwater resources are always changing in terms of quantity and quality. Therefore, it seems necessary to study the quantitative and qualitative changes of groundwater to manage. For this purpose, in the present study to study the groundwater quality changes in Bijar-Divandere plain, in terms of sedimentation and corrosion, using the information received in the years 2009 to 2018 and each year for the two months of June and October as water months and Water scarcity has been addressed using the Geographic Information System (GIS). Also, by evaluating various indicators to determine corrosion and sedimentation, valid indicators such as Langelier, Reisner and Pocorius for industrial use and sedimentation and corrosion analysis were studied in this study. The results of the mentioned indicators showed that the groundwater of the western areas of the plain is prone to corrosion and the eastern areas were prone to sedimentation and the Reisner index showed the water quality of part of the center of the plain was neutral. It was suggested to use aeration to remove iron and manganese, cathodic protection, priming, glazing and painting of the desired facilities in the western parts of Bijar-Divandere plain to prevent water corrosion. Also, for the central regions to the east of the plain with water deposition properties and adverse effects on agriculture, industry and health of the region, the use of sedimentation inhibitors such as the use of phosphate compounds and less harvesting of water resources was recommended.

کلیدواژه‌ها [English]

  • Groundwater
  • Kurdistan Province
  • Langelee Index
  • Reisner
  • Pocorius
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