Volume 26, Issue 2 (ُSummer 2022)                   jwss 2022, 26(2): 263-281 | Back to browse issues page

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Daechini F, Vafakhah M, Moosavi V, Zabihi Silabi M. Performance Assessment of Five Water Balance Models for Runoff Simulation in the Gorganrood Watershed. jwss 2022; 26 (2) :263-281
URL: http://jstnar.iut.ac.ir/article-1-4197-en.html
Faculty of Natural Resource and Marine Sciences, Tarbiat Modares University , vafakhah@modares.ac.ir
Abstract:   (1463 Views)
Surface runoff is one of the most significant components of the water cycle, which increases soil erosion and sediment transportation in rivers and decreases the water quality of rivers. Therefore, accurate prediction of hydrological response of watersheds is one of the important steps in regional planning and management plans. In this regard, the rainfall-runoff modeling helps hydrological researchers, especially in water engineering sciences.  The present study was conducted to analyze the rainfall-runoff simulation in the Gorganrood watershed located in northeastern Iran using AWBM, Sacramento, SimHyd, SMAR, and Tank models. Daily rainfall, daily evapotranspiration, and daily runoff of seven hydrometric stations in the period of 1970-2010 and 2011-2015 were used for calibration and validation, respectively. The automated calibration process was performed using genetic evolutionary search algorithms and SCE-UA methods, using Nash Sutcliffe Efficiency (NSE) and root mean of square error (RMSE) evaluation criteria. The results indicated that the SimHyd model with NSE of 0.66, TANK model using Genetic Algorithm and SCE-UA methods with NSE of 0.67 and 0.66, and Sacramento model using genetic algorithm and SCE-UA methods with NSE of 0.52 and 0.55 have the best performance in the validation period.
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Type of Study: Research | Subject: Ggeneral
Received: 2021/08/10 | Accepted: 2021/11/3 | Published: 2022/09/1

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