شبیه سازی جریان آب زیرزمینی دشت نوبندگان فارس با نرم افزارGMS

نوع مقاله : مقاله پژوهشی

نویسندگان

1 دانشجوی دکتری بخش مهندسی محیط زیست، گرایش آب و فاضلاب، واحد علوم و تحقیقات، دانشگاه آزاد اسلامی، تهران

2 استاد بخش مهندسی عمران، دانشکده مهندسی، دانشگاه شیراز

3 استاد گروه مهندسی محیط زیست، واحد علوم و تحقیقات، دانشگاه آزاد اسلامی، تهران

چکیده

چکیده
مدیریت و نظارت بر کمیت منابع آب زیرزمینی و شدت و مسیر جریان درآن ها، از اصول مهم و اساسی در استفاده پایدار از این منابع هستند. هدف از انجام این مقاله، شبیه سازی و تجزیه و تحلیل منابع آب زیرزمینی دشت نوبندگان فارس و بدست آوردن تغییرات دراز مدت این منابع، بیلان آب و تعیین مسیر و شدت جریان با استفاده از نرم افزار GMS می باشد. آمار و اطلاعات چاه های برداشت، چاه های مشاهده ای، توپوگرافی دشت، میزان بارندگی و... با همکاری شرکت آب منطقه ای فارس جمع آوری گردید. هیدرولیک جریان آب زیرزمینی در این دشت شبیه سازی، واسنجی و صحت سنجی شد. سپس مسیر کلی حرکت و شدت جریان برای آبخوان دشت شبیه سازی گردید. هیدروگراف آب زیرزمینی دشت، افت حدود 50 متر در طی دوران تحقیق را نشان می دهد. جریان کلی آب زیرزمینی در این دشت از نواحی کوهستانی شمالی به سمت نواحی جنوب غرب دشت برقرار است. بیشینه هد آن حدود 1283 متر و کمینه آن 1175 متر از سطح دریاهای آزاد می باشد، که بیشتر از 100 متر افت هد در سطح ایستابی آبخوان را نشان می دهد. شبیه سازی جریان آب زیرزمینی دشت نشان می دهد که در نواحی شمالی، و تا حدودی جنوبی دشت، سرعت جریان آب زیرزمینی افزایش می یابد. نتایج این تحقیق می تواند در مطالعات کیفی آب زیرزمینی دشت نیز مورد استفاده قرار گیرد.
 

کلیدواژه‌ها

موضوعات

عنوان مقاله [English]

Simulation of groundwater flow in Fars Nobandegan plain using GMS software

نویسندگان [English]

  • Seyed Amir bijan Elhamian 1
  • Gholam Reza Rakhshandehroo 2
  • Amirhossein Javid 3
1 Department of Environmental Engineering, Science and Research Branch, Islamic Azad University, Tehran, Iran
2 Professor, Department of Civil & Environmental Engineering, Shiraz University, Shiraz, Iran
3 Associate professor, Faculty of Environment & Energy, Science & Research Branch, Islamic Azad University, Tehran, Iran.
چکیده [English]

Abstract
Introduction:
Managing and monitoring the quantity of groundwater resources, along with assessing the intensity and direction of their flow, constitute fundamental principles for sustainable utilization of such resources. This study aims to utilize GMS software to simulate and analyze groundwater resources in Nobandegan plain, Fars, Iran. The objectives include deriving long-term variations in these resources, evaluating the water balance, and ascertaining the direction and intensity of groundwater flow.
Methods: Data related to pumping wells, observation wells, topographic features of the plain, and rainfall, among other pertinent information, were gathered using reports from Fars Regional Water Company. Subsequently, a comprehensive hydraulic model was developed to simulate, calibrate, and validate the groundwater flow within the plain. Following this, the overall trajectory and flow intensity within the plain aquifer were simulated.
Findings:
The hydrograph pertaining to groundwater within the plain reveals a ~50 meter water table drop over the course of the investigation period.  The predominant groundwater flow within this plain is directed from the northern mountainous regions toward the southwestern expanses. The maximum hydraulic head is recorded at approximately 1283 meters, while the minimum stands at 1175 meters above mean sea level, indicating a 108-m drop in the aquifer water table elevation. The simulation results of the groundwater flow within the plain reveal an increased velocity in the northern regions and, to some extent, in the southern reaches of the plain. The findings of this study may be employed for groundwater quality studies on this plain.

کلیدواژه‌ها [English]

  • Water resources management
  • simulation
  • groundwater
  • GMS software
  • Nobandegan plain

مراجع

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سابقه مقاله

  • تاریخ دریافت: 15 آبان 1400
  • تاریخ بازنگری: 20 بهمن 1400
  • تاریخ پذیرش: 04 آذر 1402

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