ارزیابی کیفیت آب زیرزمینی شهرستان شوش برای شرب

نوع مقاله : پژوهشی

نویسندگان

1 مربی، عضو هیئت علمی گروه مهندسی و فناوری کشاورزی، دانشگاه پیام‏نور

2 دانشجوی دکتری علوم مهندسی آبخیزداری، دانشگاه علوم کشاورزی و منابع طبیعی ساری

3 استاد گروه مهندسی آبخیزداری، دانشکدۀ منابع طبیعی دانشگاه علوم کشاورزی و منابع طبیعی ساری

چکیده

کیفیت آب یکی از عوامل مهمی است که باید هنگام ارزیابی توسعۀ مناسب یک منطقه، بررسی شود. آب‌های زیرزمینی در جایگاه کنونی شهرستان شوش و نیز در تداوم بقای این شهرستان در آینده کارکرد مهمی دارند. با توجه به اینکه تا کنون به پهنه‌بندی کیفیت منابع زیرزمینی آب شهرستان شوش پرداخته نشده است، در مطالعۀ حاضر به ارزیابی کیفی منابع آب زیرزمینی این شهرستان پرداخته شد. در مطالعۀ حاضر پارامترهای سدیم، کلراید، سولفات، کل جامدات محلول، اسیدیته، منیزیم و کلسیم به عنوان پارامترهای شاخص کیفیت منابع مندرج در کتاب رهنمودهای سازمان بهداشت جهانی بررسی شدند. به این منظور، پس از نرمال‌کردن داده‌های استفاده‌شده و رسم واریوگرام مربوط به داده‌ها، با استفاده از دو روش کریجینگ و معکوس فاصلۀ وزنی (IDW) نقشۀ تغییرات مکانی این پارامترها تهیه شد و نتایج دو روش با هم مقایسه شدند. نتایج نشان داد در همۀ پارامترها صحت روش کریجینگ در برآورد مقادیر بیشتر است. پس از تهیۀ نقشۀ تغییرات مکانی این پارامترها، نقشه‌ها با هم تلفیق شدند و نقشۀ کیفیت آب زیرزمینی براساس استاندارهای کیفیت آب آشامیدنی تهیه شد. نتایج نشان داد 67/23 درصد از آب‌های زیرزمینی منطقۀ مطالعه‌شده در حد مطلوب و 29/15 درصد دارای کیفیت حد مجاز برای آشامیدن است.

کلیدواژه‌ها

موضوعات


عنوان مقاله [English]

Groundwater Quality Assessment of Shush Country for Drinking

نویسندگان [English]

  • Adel Soltani 1
  • Milad Soltani 2
  • Karim Solaimani 3
1 Faculty of Member, Depatment of Agricultural Technology & Engineering, Payam Noor University, Iran
2 M.Sc graduated, Department of Watershed Management Engineering, Sari Agricultural Sciences and Natural Resources University, Sari, Iran
3 Professor, Dept.of watershed management, Sari Agricultural Sciences and Natural Resources, University Sari, Iran
چکیده [English]

Water quality is one of the most important factors that should be considered when evaluating the development of a region. Underground waters play an important role in the present and future functions and position of Shush country. The quality of the groundwater resources of the study area has not been evaluated so far, thus this study evaluated the groundwater resources quality of Shush country-Khuzestan province. In this study sodium, chloride, sulfate, total soluble solids, acidity, magnesium and calcium as parameters of the resources quality index contained in the World Health Organization's (WHO) guidebook were evaluated. For this purpose, after normalizing the data and plotting of variograms, spatial distribution map of these parameters were provided using Kriging and Inverse Distance Weighted (IDW) methods and the results of these methods were compared. The results showed that in all parameters the accuracy of the Kriging method was highest. In the next step, the prepared maps were combined and the groundwater quality map of the study area was prepared based on water quality standards for drinking (WHO). The results showed that 23.67% of the groundwater in the study area was at the optimum level and 15.29% had a quality level for drinking.

کلیدواژه‌ها [English]

  • Groundwater
  • Geostatistics
  • Inverse Distance Weighted
  • GIS
  • Shush
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