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تخمین رواناب روزانه به کمک مدل نیمه مفهومی IHACRES در حوضۀ آبریز ناورود گیلان | ||
| اکوهیدرولوژی | ||
| مقاله 8، دوره 5، شماره 2، تیر 1397، صفحه 449-460 اصل مقاله (1.15 M) | ||
| نوع مقاله: پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22059/ije.2017.234237.614 | ||
| نویسندگان | ||
| مرتضی لطفی راد1؛ آرش ادیب* 2؛ علی حقیقی2 | ||
| 1دانشجوی کارشناسی ارشد عمران- منابع آب، گروه عمران، دانشکدۀ مهندسی، دانشگاه شهید چمران اهواز | ||
| 2دانشیار گروه عمران، دانشکدۀ مهندسی، دانشگاه شهید چمران اهواز | ||
| چکیده | ||
| تصمیم‌گیری در مورد مدیریت منابع آب و ساخت و بهرهبرداری از سازههای هیدرولیکی، مستلزم داشتن اطلاعات مطمئن دربارۀ میزان دبی جریان در حوضۀ آبریز است تا با توجه به دبی سیلاب طراحی بتوان تصمیم‌گیری کرد. بنابراین، بهرهگیری از مدلهای شبیهسازی فرایند بارش‌ـ روانابی که علاوه بر دقت خوب، به اطلاعات ورودی کمی نیز نیاز دارند، بااهمیت است. مدل IHACRES از مدلهای نیمه‌مفهومی بارش‌ـ رواناب است که قادر است با دریافت اطلاعات کم، ابتدا به تولید بارش مؤثر و سپس به شبیهسازی رواناب بپردازد. در پژوهش حاضر بارش‌ـ رواناب حوضۀ ناورود گیلان به کمک مدل IHACRES با استفاده از دادههای دبی روزانۀ ایستگاه خرجگیل در خروجی حوضه و نیز دادههای بارش و دمای روزانۀ ایستگاه خلیان در مرکز ثقل حوضه طی دورۀ 1391 تا 1394 بهعنوان دورۀ کالیبراسیون و دورۀ 1387 تا 1389 نیز بهعنوان دورۀ صحت‌سنجی شبیهسازی شد. نتایج بر اساس ضریب کارایی مدل نش‌ـ ساتکلیف (E) و میانگین خطای کل (BIAS) و میانگین خطای نسبی پارامتریک (ARPE) ارائه شد که مقدار بهدستآمدۀ E در دورۀ کالیبراسیون و صحت‌سنجی به‌ترتیب 55/0 و 46/0 به دست آمد که با توجه به نتایج پژوهشهای پیشین قابل قبول است. | ||
| کلیدواژه‌ها | ||
| بارش؛ رواناب؛ حوضۀ آبریز ناورود؛ ضریب کارایی مدل نش‌ـ ساتکلیف؛ مدل IHACRES | ||
| عنوان مقاله [English] | ||
| Estimation of daily runoff using of the semi- conceptual rainfall-runoff IHACRES model in the Navrood watershed (a watershed in the Gilan province | ||
| نویسندگان [English] | ||
| Morteza Lotfirad1؛ Arash Adib2؛ Ali Haghighi2 | ||
| 1Civil Engineering Department, Engineering Faculty, Shahid Chamran University, Ahvaz, Iran | ||
| 2Civil Engineering Department, Engineering Faculty, Shahid Chamran University of Ahvaz, Ahvaz, Iran | ||
| چکیده [English] | ||
| Due to lack of data, using of rainfall-runoff models with high accuracy that do not need to large amounts of data is an important issue. The IHACRES model is a semi- conceptual rainfall- runoff model. This model does not need to large amounts of data and calculates effective rainfall. Then this model simulates the value of runoff. The case study of this research is the Navrood watershed in the Gilan province. For simulation of rainfall and runoff in this research, IHACRES model utilizes daily flow discharge data in the Kharjgil hydrometric station and daily precipitation and temperature data in the Khalian synoptic station. The Kharjgil hydrometric station locates at outlet of watershed and the Khalian synoptic station locates at center of watershed. The model uses from data of time period 1391 to 1394 for calibration and time period 1387 to 1389 for cross validation. Nash- Sutcliffe model efficiency coefficient (E), mean of total error (BIAS) and average relative parameter error (ARPE) criteria are utilized evaluation of results of model. The value of E is 0.55 and 0.46 for calibration and cross validation respectively. These values show that results of this research are acceptable in comparison with previous researches. | ||
| کلیدواژه‌ها [English] | ||
| Rainfall, Runoff, The IHACRES model, The Navrood watershed, Nash- Sutcliffe model efficiency coefficient | ||
| مراجع | ||
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