کاربرد سیستم‌های استحصال رواناب سیلابی درآبخیز شهری اراک

نوع مقاله: مقاله پژوهشی

نویسندگان

1 استادیار دانشکده کشاورزی و منابع طبیعی، دانشگاه آزاد اسلامی، واحد اراک

2 دانشجوی دکترای آبیاری و زهکشی، دانشگاه رازی، کرمانشاه

3 دانش‌آموخته کارشناسی ارشد آبخیزداری، دانشگاه علوم کشاورزی و منابع طبیعی گرگان

چکیده

مدیریت جامع حوزه‌های آبخیز شهری و بهره‌وری مؤثر منابع آن به‌خصوص منابع آبی، نیازمند شناخت هیدرولوژی منطقه است. در این بین وقایع سیلابی آبخیزهای شهری و رواناب تولید شده در زمان سیلابها از نقطه‌نظر استحصال و مصارف مختلف حائز اهمیت زیادی است. در این تحقیق به‌منظور بررسی امکان استفاده از مناسب‌ترین سیستم استحصال رواناب در زمان وقایع سیلابی آبخیز شهری اراک، با جمع‌آوری اطلاعات پایه از حوزه‌های آبخیز مشرف به شهر در ابتدا با آنالیز خوشه‌ای مناطق همگن گروه‌بندی شد و در هر منطقه با استفاده از مدل بارش- رواناب SCS میزان رواناب در چند پایه زمانی و دوره بازگشت محاسبه گردید و با استفاده از تجزیه و تحلیل سلسله مراتبی و استفاده از معیار‌ها و ضوابط کمّی و کیفی، سیستم‌های مختلف استحصال آب شهری برای هر منطقه همگن تعیین گردید.

کلیدواژه‌ها


عنوان مقاله [English]

Investigation of Application of Storm Runoff Harvesting System in Arak Urbanized Watershed

نویسندگان [English]

  • Javad Varvani 1
  • Hadi Varvani 2
  • Mehdi Mardiyan 3
1 Assist. Prof., College of Agriculture and Natural Resources, Islamic Azad University, Branch of Arak
2 Ph.D. Student of Irrigation and Drainage, Razi University, Kermanshah
3 Grad. M.Sc. of Watershed Management, Gorgan University of Agriculture Sciences and Natural Resources, Gorgan
چکیده [English]

Integrated management of urban watersheds and effective productivity of its resources, especially water resources requires knowledge of its hydrology. In this among flood events and urban runoff produced at the time of floods from the point of harvesting and consumption is extremely important. In this study in order to evaluate the possibility of using the most appropriate water harvesting systems in Arak Watershed, collecting basic information was collected. At first surrounding watersheds were grouped by using cluster analysis into homogeneous areas. In each region using the rainfall - runoff SCS model runoff rate of some base time and return periods was calculated. Using a hierarchical analysis (AHP) and quantitative and qualitative criteria, different systems of urban water harvesting were determined for each homogeneous region of Arak watershed.

کلیدواژه‌ها [English]

  • Water Harvesting System
  • flood
  • Urbanized Watershed
  • Analytical Hierarchy Programming
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