کاربرد مدل هیدرولوژی - اقتصادی در مدیریت یکپارچه منابع آب حوضه آبریز جازموریان غربی

الموضوعات : فصلنامه علمی -پژوهشی تحقیقات اقتصاد کشاورزی

خدیجه ثمره هاشمی ¹ , احمدعلی کیخا ² , حسین مهرابی بشرآبادی ³ , مصطفی مردانی نجف آبادی ⁴ , سامان ضیائی ⁵

1 - دانش‌آموخته دکتری گروه اقتصادکشاورزی، دانشگاه زابل، زابل، ایران
2 - دانشیار گروه اقتصادکشاورزی، دانشگاه زابل، زابل، ایران
3 - استاد گروه اقتصادکشاورزی، دانشگاه شهید باهنر کرمان، کرمان، ایران
4 - دانشیار گروه اقتصاد کشاورزی، دانشگاه علوم کشاورزی و منابع طبیعی خوزستان، ملاثانی، ایران
5 - دانشیار گروه اقتصادکشاورزی، دانشگاه زابل، زابل، ایران

تاريخ الإرسال : 12 الجمعة , ربيع الثاني, 1442 تاريخ التأكيد : 07 الإثنين , شعبان, 1444 تاريخ الإصدار : 01 الجمعة , شوال, 1444

الکلمات المفتاحية: استان کرمان, بخش کشاورزی, تخصیص آب, بخش زیست محیطی, منافع مصرف آب,

ملخص المقالة :

مقدمه و هدف: کمبود آب و تقاضای رو به رشد برای آن موجب ایجاد رقابت بر سر استفاده از این ماده گرانبها گردیده است؛ لذا بایستی درباره چگونگی تخصیص آن میان بخش­های مختلف اقتصادی، برنامه­ریزی صورت گیرد. هدف تخصیص آب میان کاربران مختلف حداکثرسازی فایده­های اجتماعی ناشی از مصرف آب است. مطالعه­ی حاضر با ارائه یک ساختار هیدرولوژی-اقتصادی در حوضه آبریز جازموریان غربی در پی حداکثرسازی منافع حاصل از استفاده آب در حوضه­ی مذکور می­باشد. مواد و روش­ها: برای این منظور، تابع هدف منافع مصرف آب در بخش کشاورزی، شرب و زیست محیطی مشروط به قیود هیدرولوژی، کشاورزی و نهادی را حداکثرسازی می­نماید. یافته­ ها: نتایج نشان داد با تغییر در الگوی کشت و تکنولوژی آبیاری، امکان افزایش منفعت در بخش کشاورزی تا 44 درصد منفعت جاری وجود دارد؛ این در حالی است که میزان مصرف آب در این بخش 11 درصد کاهش می­یابد. علاوه براین با احتساب بخش زیست محیطی در برنامه­ریزی یکپارچه مدیریت منابع آب و اختصاص آب به تالاب جازموریان نیز منفعتی معادل 56260 میلیون ریال حاصل می­شود. بحث و نتیجه ­گیری: براساس نتایج در صورت بکارگیری الگوی کشت و استراتژی­های آبیاری پیشنهادی مدل، امکان افزایش سود در کنار کاهش آب مصرفی در بخش کشاورزی وجود دارد که آب صرفه­جویی شده می­تواند در سایر بخش­های رقیب مورد استفاده قرار گیرد و منافعی ایجاد نماید یا اینکه موجب کاهش مصرف آب­های زیرزمینی گردد که به پایداری منابع آبی کمک می­نماید.

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