مدیریت بهینه آب آبیاری با تأکید بر بهره وری اقتصادی: (مطالعه موردی : شبکه آبیاری و زهکشی مارون)

فصلنامه علمی -پژوهشی تحقیقات اقتصاد کشاورزی

مقاله 7، دوره 14، شماره 4، اسفند 1401، صفحه 100-117   

نوع مقاله: مقاله پژوهشی

شناسه دیجیتال (DOI): 10.30495/jae.2023.25199.2175

نویسندگان

لیلا امانت بهبهانی¹؛ مه نوش مقدسی^{* 2}؛ حسین ابراهیمی³؛ حسین بابازاده⁴

¹گروه مهندسی علوم آب دانشکده کشاورزی دانشگاه علوم و تحقیقات تهران.تهران

²مهندسی آب- دانشکده کشاورزی-دانشگاه اراک

³گروه مهندسی آب ، شهر قدس، دانشگاه آزاد اسلامی ،تهران ،ایر ان

⁴گروه مهندسی آب ،علوم و تحقیقات، دانشگاه آزاد اسلامی، تهران، ایران

تاریخ دریافت: 28 خرداد 1399،  تاریخ بازنگری: 20 آذر 1399،  تاریخ پذیرش: 20 اسفند 1401 

چکیده

نیاز به ذخیره آب و افزایش بهره‌وری اقتصادی آب مصرفی در مدیریت منابع آب از اهمیت بسیار بالایی برخوردار است. لذا هدف مطالعه‌ی حاضر تخصیص بهینه آب آبیاری از طریق تعیین الگوهای کشت بهینه‌ی محصولات کشاورزی تحت سناریو‌های جریان مختلف در طول فصول رشد و در شرایط عدم قطعیت با استفاده از روش برنامه‌ریزی تصادفی چند مرحله ای با پارامترهای بازه‌‌ای و مقایسه بهره‌وری اقتصادی مصرف آب در این شرایط با شرایط فعلی می‌باشد. بدین منظور داده‌های هیدرومتری از ایستگاه شبکه مارون طی سالهای 85 الی 95 تهیه گردید. مدل بهینه سازی برای تخصیص و توزیع آب بین فصول مختلف رشد توسعه داده شده است. نتایج نشان داد میانگین شاخص بهره وری اقتصادی در شبکه‌ها برای دو حد پایین و بالا مدل بهینه سازی به ترتیب 16 و 19 درصد بیشتر از میزان این شاخص در مدیریت فعلی ست ضمن اینکه مدیریت مصرف آب با توجه به کاهش 3 و34 درصدی مصرف آب در حد پایین و بالا مدل بهینه سازی نسبت به مدیریت فعلی بهتر صورت گرفته است.

کلیدواژه‌ها

"بهره وری اقتصادی تخصیص"؛ "بهینه آب آبیاری"؛ "مدل برنامه ریزی تصادفی چند مرحله ای"

عنوان مقاله [English]

Irrigation Water Optimal Management with Emphasis on Water Economic Productivity: Case Study: Irrigation and drainage networks of Marun

نویسندگان [English]

Leila Amanat behbahani¹؛ Mahnoosh Moghaddasi²؛ Hossein Ebrahimi³؛ Hossein Babazadeh⁴

¹Department of Water Science Engineering, Faculty of Agriculture, University of Science and Research, Tehran, Tehran

²Water engineering -Agriculture faculty-Arak university

³Department of Water Sciences and Engineering, Shahr-Ghods Branch ,Islamic Azad University, Tehran

⁴Department of Water Sciences and Engineering, Shahr-Ghods Branch ,Islamic Azad University, Tehran

چکیده [English]

The need to store water and increase the economic productivity of consuming water is very important in water resources management. The aim of this study was to optimally allocate irrigation water by determining the optimal cropping patterns of agricultural products under different inflow scenarios during the growing seasons under uncertainty using a multi-stage stochastic programming model with interval parameters and comparing the economic productivity of water consumption in these conditions with the current conditions. For this purpose, hydrometric data were obtained from Maron Network Station during 2006-2016. An optimization model has been developed for water allocation and distribution between different growing seasons. The results showed that the average economic productivity index in the networks for both lower and upper bounds of the optimization model is 19 and 16 percent respectively higher than the current level in the current management, while water consumption management in the lower and upper bounds of the optimization model is better than the current management due to 34% and 3 % reduction in water consumption.

کلیدواژه‌ها [English]

"optimally allocate irrigation water", "multi-stage stochastic programming model"

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