درک پیوند آب-غذا-انرژی و مدیریت برای بهره‌وری از منابع آب موجود

آب و خاک

مقاله 2، دوره 34، شماره 2 - شماره پیاپی 70، خرداد 1399، صفحه 255-268   

نوع مقاله: مقالات پژوهشی

شناسه دیجیتال (DOI): 10.22067/jsw.v34i2.78589

نویسندگان

محمدرضا گودرزی^{* 1}؛ رضا پیریائی²؛ میر رحیم موسوی²

¹دانشگاه یزد

²آیت الله العظمی بروجردی

چکیده

بررسی­ها بر روی پیوند آب، غذا و انرژی4 یک مبنای مشترک برای پژوهشگران، ذینفعان و دولت جهت درک و مدیریت، امنیت و استفاده از روابط WEF فراهم می­کند. نمونه رابطه WEF روابط ویژه­ای را برای تحقیقات بین رشته­ای که مدیریت یکپارچه منابع آب است مهیا می­کند. هدف از این پژوهش بهره­وری مناسب از منابع آب موجود با استفاده از رویکرد آب، غذا و انرژی و با توجه به تغییرات آب­و­هوایی آتی در شهر بروجرد است. در این مطالعه از خروجی مدل HADGEM2 تحت دو سناریوی انتشار RCP2.6 و RCP8.5 مربوط به پنجمین گزارش ارزیابی هیئت بین­الدول تغییر اقلیم استفاده شد. ریزمقیاس نمایی با استفاده از مدل LARS-WG انجام شد. شهر بروجرد با نرم­افزار GIS مدل شد و رویکرد آب، غذا و انرژی برای نهایت بهره­مندی از منابع آب مورد استفاده قرار گرفت. خروجی مدل HADGEM2 تحت دو سناریویRCP2.6  و RCP8.5 نشان داد که در دوره آتی دما بین 5/1 تا 3 درجه سانتی­گراد و بارش بین 20 تا 40 میلی­متر تغییر را تجربه خواهند کرد. نتایج نشان داد حجم بارش به دست آمده از بارش 45/612612 متر مکعب در سال می‌باشد و چرخه فاضلاب 12750000 متر مکعب در سال می­باشد. بنابراین بعد از تصفیه و بازچرخانی دوباره­ی آب می‌تواند 74/60 درصد تقاضای فعلی آب شهر بروجرد را تأمین کند. می­توان از این منابع آب برای کشاورزی شهری در و یا آبیاری درختان و فضای سبز و از فاضلاب برای تولید انرژی الکتریکی در شهر استفاده کرد.

کلیدواژه‌ها

تغییرات آب‌و‌هوایی؛ منابع آب؛ مدل HADGEM2؛ Water-Energy-Food Nexus

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