بهینه‌سازی مبادلات آب مجازی در الگوی کشت منطقه‌ای استان اصفهان با استفاده از الگوهای برنامه‌ریزی چندمعیاره

نوع مقاله : مقاله پژوهشی

نویسندگان

1 استادیار اقتصاد کشاورزی، دانشگاه کشاوررزی و منابع طبیعی رامین خوزستان

2 استادیار گروه اقتصاد کشاورزی دانشگاه زابل

3 استادیار بخش تحقیقات اقتصادی، اجتماعی و ترویج کشاورزی، مرکز تحقیقات و آموزش کشاورزی و منابع طبیعی استان اصفهان، سازمان تحقیقات، آموزش و ترویج کشاورزی، اصفهان

چکیده

تجارت آب مجازی به عنوان یک راهکار جدید در دسترسی به منابع جهانی آب، توجه مجامع مختلف جهانی را جلب کرده و اختصاص سهم 90 درصدی بخش کشاورزی در این تجارت لزوم توجه ویژه به آن را نمایان ساخته است. مطالعه حاضر با هدف بهینه‌سازی مبادلات آب مجازی در 23 شهرستان واقع در استان اصفهان‌ صورت گرفت. به این منظور، یک الگوی منطقه‌ای کشت چندمعیاره با توانایی برنامه‎ریزی نقل و انتقال محصولات تولیدی طراحی و اجرا شد. نتایج نشان داد که استان اصفهان در الگوی کشت جاری 7/118 میلیون مترمکعب خالص صادرات آب مجازی داشته و اجرای الگوی چندمعیاره منجر به 8/17 میلیون مترمکعب خالص واردات آب مجازی شده است. بنابراین، بهبود خالص واردات آب مجازی مقدار 5/136 میلیون مترمکعب بوده که این میزان، بهینه‌سازی مبادلات را نشان می‌دهد. در این راستا، شاخص سرانه آب تجدیدپذیر (فالکن مارک) با میانگین  119 مترمکعب در سال توسط الگوی چند معیاره بهبود یافت. نتایج حاصل می‌تواند کمک شایانی به مدیران تصمیم‌گیرنده در زمینه بهینه‌سازی مبادلات آب مجازی داشته باشد. از این منظر می‌توان به تعیین دقیق خالص مبادلات آب مجازی منطقه‌ای به کمک انتقال محصولات کشاورزی به جهت مقابله با توزیع زمانی و مکانی نامناسب نزولات جوی در استان اصفهان اشاره نمود.

کلیدواژه‌ها


عنوان مقاله [English]

Optimizing the Trade of Virtual Water in Regional Cropping Pattern of the Isfahan Province: Application of Multi-Criteria Models

نویسندگان [English]

  • M. Mardani 1
  • Saman Ziaei 2
  • A. Nikouei 3
1 Assistant Professor of Agricultural Economics, Ramin Agriculture and Natural Resources University of Khuzestan
2 Assistant Professor of Agricultural Economics, University of Zabol
3 Assistant Professor of Economic, Social and Extension Research Department, Isfahan Agricultural and Natural Resources Research and Education Center, AREEO, Isfahan, Iran
چکیده [English]

Virtual water trade as a new approach to global water resources, has attracted global attention and allocation of 90 percent of the agricultural sector to this trade has revealed special attention to it. The present study with the aim of optimizing the trade of virtual water in 23 cities located in the Isfahan province was done in 2014. For this purpose a multi-criteria regional cropping pattern with the ability to transfer crops was designed and implemented. The results of this study showed that Isfahan province has 118.7 million cubic meters net exports of virtual water in the current cropping pattern and implementation of the multi-criteria model led to 17.8 million cubic meters net import of virtual water. Therefore, improvement of net import of virtual water was 136.5 million cubic meters that it shows the stored virtual water during the optimization process of exchanges. Renewable water per capita index (Falkenmark) with an average of 119 cubic meters per year improved by multi-criteria. The results can help to decision-making managers in the optimization field of virtual water trade. From this point of view can be cited determination of regional net virtual water trade in order to deal with inappropriate temporal and spatial distribution of precipitation in Isfahan province by transport of agricultural products.
 

کلیدواژه‌ها [English]

  • Per Capita Renewable Water
  • Falkenmark Index
  • water stress
  • Isfahan Province
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