کاربرد روش تلفیقی تحلیل سلسله مراتبی فازی و الکتره 3 در ارزیابی محیط‌زیستی سدهای استان خوزستان

نوع مقاله : مقاله پژوهشی

نویسندگان

1 دانشجوی دکتری اقتصاد منابع طبیعی و محیط‌زیست، دانشکده کشاورزی، دانشگاه شیراز، ایران

2 استاد تمام اقتصاد کشاورزی، دانشکده کشاورزی، دانشگاه شیراز، ایران

چکیده

ﺳﺪﻫﺎ درکنار منافعی مانند کنترل جریان رودخانه و تولید انرژی، اثرات مثبت و منفی زیادی بر محیط‌زیست می‌گذارند. در این مطالعه اثرات محیط‌زیستی سدهای در حال احداث استان خوزستان بر اساس یک روش تصمیم‌گیری چندمعیاری مورد ارزیابی قرار گرفتند. برای ارزیابی اثرات محیط‌زیستی سدها در این مدل از چهار معیار اصلی فیزیکی- شیمیایی، اکولوژیکی، اقتصادی- اجتماعی و فرهنگی و پانزده زیر معیار استفاده شد. در نهایت نیز برای رتبه‌بندی گزینه‌ها از روش ELECTRE III استفاده شد. نتایج بیانگر آن است که بر اساس نظر کارشناسان، معیار فیزیکی و شیمیایی با وزن 439/0، بیشترین اهمیت را در ارزیابی اثرات محیط‌زیستی سدها دارا می‌باشد. همچنین معیارهای اکولوژیکی، اقتصادی- اجتماعی و فرهنگی به ترتیب با وزن‌های 241/0، 227/0 و 093/0 در رتبه‌های بعدی قرار دارد. در میان زیر معیارها نیز کاهش کیفیت آب‌های سطحی بالاترین وزن را در اختیار دارد. در نهایت نتایج نشان داد که دو سد شیرین آب و خیرآباد دارای بیشترین اثرات محیط‌زیستی در میان سدهای استان خوزستان می‌باشند.
 

کلیدواژه‌ها


عنوان مقاله [English]

An integrated fuzzy Fuzzy AHP–ELECTREIII Methodology for Environmental Impact Assessment of Dams in Khuzestan Province

نویسندگان [English]

  • Siamak Nikmehr 1
  • Mohammad Bakhshoodeh 2
1 Ph. D. Student of Environmental and Natural Resources Economics, Faculty of Agriculture, Shiraz University, Shiraz, Iran
2 Profe. of Agricultural Economics, Faculty of Agriculture, Shiraz University, Shiraz, Iran
چکیده [English]

Dams have a great deal of positive and negative effects on the environment besides their benefits like controlling stream regimes, and generating energy. In this study the environmental impact of dams being built in the Khuzestan province were evaluated on the basis of a multi-criteria decision-making method. To assess the environmental impact of the dam in this model four main criteria of physical-chemical, ecological, socio-economic, cultural and fifteen sub criteria were used. At the end, Electre III method also was used to rank the alternatives. The results indicated that according to experts opinions physical-chemical criterion with weight of 0.439 has greatest impact on the assessment process. The ecological, socioeconomic and cultural criteria rank next in effectiveness with weights of 0.241, 0.227 and 0.093 respectively. Also decreasing surface water quality has the highest weight among the sub-criteria. Finally the results also showed that the Shirinab and Kheyrabad dam have highest environmental impact in Khuzestan province.

کلیدواژه‌ها [English]

  • Environmental impact assessment
  • Fuzzy AHP
  • ELECTREIII
  • Dam
  • Khuzestan province
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