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واسنجی و اعتبارسنجی مدل WEAP21 برای حوضههای آبریز زرینهرود و سیمینهرود | ||
تحقیقات آب و خاک ایران | ||
مقاله 13، دوره 48، شماره 4، آذر 1396، صفحه 823-839 اصل مقاله (2.19 M) | ||
نوع مقاله: مقاله پژوهشی | ||
شناسه دیجیتال (DOI): 10.22059/ijswr.2017.216989.667543 | ||
نویسندگان | ||
جمال احمدآلی* 1؛ غلامعباس بارانی2؛ کورش قادری3؛ بهزاد حصاری4 | ||
1دانشجوی دکتری سازه های آبی، بخش مهندسی آب، دانشگاه شهید باهنر کرمان | ||
2استاد بخش مهندسی آب، دانشگاه شهید باهنر کرمان | ||
3استادیار بخش مهندسی آب، دانشگاه شهید باهنر کرمان | ||
4استادیار گروه مهندسی آب، دانشگاه ارومیه | ||
چکیده | ||
امروزه برنامهریزی، طراحی و مدیریت سیستمهای منابع آب شامل پیشبینی اثرات نیز میباشد. پیشبینی اثرات مستلزم مدلسازی است. در این تحقیق واسنجی و اعتبارسنجی مدل هیدرولوژیکی WEAP21 بر روی حوضههای آبریز زرینهرود و سیمینهرود مورد بررسی قرار گرفته است. رودخانههای زرینهرود و سیمینهرود با پتانسیل آبدهی حدود 3 میلیارد مترمکعب در سال، سهمی حدود 50 درصدی در حوضه آبریز دریاچه ارومیه را دارا میباشند. در این تحقیق از روش رطوبت خاک برای شبیهسازی هیدرولوژیکی مدل WEAP21 استفاده شد. یک دوره آماری 11 ساله (از سال آبی 74-1373 تا 84-1383) برای واسنجی مدل در نظر گرفته شد. ارزیابی نتایج شبیهسازی مدل با استفاده از شاخصهای آماری ضریب تبیین، ضریب نش- ساتکلیف و شاخص تطابق نشان داد که برای ایستگاه هیدرومتری ورودی سد بوکان مقادیر شاخصها به ترتیب برابر با 90/0، 83/0 و 95/0، برای ایستگاه هیدرومتری نظام آباد مقادیر شاخصها به ترتیب برابر با 75/0، 74/0 و 92/0، برای ایستگاه هیدرومتری داشبند مقادیر شاخصها به ترتیب برابر با 82/0، 81/0 و 95/0 و برای ایستگاه هیدرومتری پل میاندوآب مقادیر شاخصها به ترتیب برابر با 75/0، 75/0 و 92/0 میباشد. برای اعتبارسنجی مدل، یک دوره 9 ساله (از سال آبی 85-1384 تا 93-1392) در نظر گرفته شد. نتایج برای این دوره نشان داد که برای ایستگاه هیدرومتری ورودی سد بوکان مقادیر شاخصها به ترتیب برابر با 88/0، 85/0 و 96/0، برای ایستگاه هیدرومتری نظام آباد مقادیر شاخصها به ترتیب برابر با 72/0، 70/0 و 91/0، برای ایستگاه هیدرومتری داشبند مقادیر شاخصها به ترتیب برابر با 86/0، 85/0 و 96/0 و برای ایستگاه هیدرومتری پل میاندوآب مقادیر شاخصها به ترتیب برابر با 80/0، 78/0و 93/0 میباشد. بهطور کلی ارزیابی نتایج شبیهسازی، عملکرد خوب مدل را نشان داد. | ||
کلیدواژهها | ||
شبیهسازی؛ روش رطوبت خاک؛ دریاچه ارومیه؛ شبکه آبیاری زرینهرود (میاندوآب) | ||
عنوان مقاله [English] | ||
Calibration and Validation of model WEAP21 for Zarrineh Rud and Simineh Rud Basins | ||
نویسندگان [English] | ||
Jamal Ahmadaali1؛ Gholam-Abbas Barani2؛ Kourosh Qaderi3؛ Behzad Hessari4 | ||
1PhD Student, Department of Water Engineering, Shahid Bahonar University of Kerman | ||
2Professor, Department of Water Engineering, Shahid Bahonar University of Kerman | ||
3Assistant Professor, Department of Water Engineering, Shahid Bahonar University of Kerman | ||
4Assistant Professor, Department of Water Engineering, Urmia University | ||
چکیده [English] | ||
Planning, designing and managing water resources systems today unavoidably include impact prediction. Impact prediction includes modelling. In the present study the hydrological model WEAP21 was calibrated and validated on the Zarrineh Rud and Simineh Rud Basins. Zarrineh Rud and Simineh Rud rivers with a discharge potential of 3 billion m3 per year have a 50% portion in Urmia Lake Basin. In the present study the soil moisture method was used for the hydrological simulation of model WEAP21. An 11-year statistical period (from 1994-95 to 2004-05) was planned for calibrating the model. The analysis of results of model simulation using the statistical indices showed that coefficient of determination, Nash-Sutcliffe coefficient and index of agreement for different stations were as follows, respectively: Inflow to Boukan dam hydrometry station: 0.9, 0.83, and 0.95; Nezam Abad hydrometry station: 0.75, 0.74, and 0.92; Dashband hydrometry station: 0.82, 0.81, and 0.95 and Miyandoab bridge hydrometry station: 0.75, 0.75, and 0.92. A nine-year period (from 2005-06 to 2013-14) was planned for validating the model. The analysis of results showed that coefficient of determination, Nash-Sutcliffe coefficient and index of agreement for different stations were as follows, respectively: Inflow to Boukan dam hydrometry station: 0.88, 0.85, and 0.96; Nezam Abad hydrometry station: 0.72, 0.7, and 0.91; Dashband hydrometry station: 0.86, 0.85, and 0.96; Miyandoab Bridge hydrometry station: 0.8, 0.78, and 0.93. Generally speaking, the results of simulation showed that the model had a good performance. | ||
کلیدواژهها [English] | ||
simulation, Soil moisture method, Urmia Lake, Zarrineh Rud (Miandoab) irrigation network | ||
مراجع | ||
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