Hydrological Simulation of Taleqan Watershed Using SWAT

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AGHAKHANI MAHSA; NASRABADI TOURAJ; Vafaei Nejad Alireza

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Journal: JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY Year:2019 | Volume:21 | Issue:9 (88) Page(s): 147-159

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Title

Hydrological Simulation of Taleqan Watershed Using SWAT

Author(s)

AGHAKHANI MAHSA | NASRABADI TOURAJ | Vafaei Nejad Alireza | Issue Writer Certificate

Keywords

Hydrological ModelingQ1

SUFI-2 AlgorithmQ3

SWAT ModelQ1

WatershedQ1

Abstract

Background and Objective: Hydrological Modeling of Watersheds plays a significant role in study, development and management of water resources. Based on importance of Taleqan Watershed as a main supplier of Alborz and Tehran Provinces water resources, in this study, surface water hydrological simulations in this basin are investigated. Method: Hydrological simulations were performed by applying physical semi-distributed SWAT (Soil and Water Assessment Tool) model. Moreover, model calibration and sensitivity analysis were done using SUFI-2 Algorithm. Model performance is evaluated by means of statistical indicators such as Nash-Sutcliffe (NS) and coefficient of determination (R2). Findings: Sensitivity analysis showed that the parameters of the curve number (CN), soil evaporation compensation, and soil available water capacity are the most important factors to control the flow in the basin. At Gelinak station (Watershed outlet), NS and R2 coefficients values after calibration are 0. 84 and 0. 87, respectively. These values in validation interval were obtained as 0. 79 and 0. 84. Discussion and Conclusion: The results show good performance of the Watershed simulations. Moreover, it was shown that the model has good capability for monthly surface runoff prediction of the Taleqan basin. Due to reducing field operations costs of required components measurements and especially due to reducing the time required to analyze issues, applying this model is efficient for improving water resource management and environmental protection.

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APA: Copy

AGHAKHANI, MAHSA, NASRABADI, TOURAJ, & Vafaei Nejad, Alireza. (2019). Hydrological Simulation of Taleqan Watershed Using SWAT. JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY, 21(9 (88) ), 147-159. SID. https://sid.ir/paper/359776/en

Vancouver: Copy

AGHAKHANI MAHSA, NASRABADI TOURAJ, Vafaei Nejad Alireza. Hydrological Simulation of Taleqan Watershed Using SWAT. JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY[Internet]. 2019;21(9 (88) ):147-159. Available from: https://sid.ir/paper/359776/en

IEEE: Copy

MAHSA AGHAKHANI, TOURAJ NASRABADI, and Alireza Vafaei Nejad, “Hydrological Simulation of Taleqan Watershed Using SWAT,” JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY, vol. 21, no. 9 (88) , pp. 147–159, 2019, [Online]. Available: https://sid.ir/paper/359776/en

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