Event-Oriented Runoff Estimation in Mountainous Basin by GSSHA Physically- Distributed Model

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SHARIFI ALI; SALARIJAZI MEYSAM; GHORBANI KHALIL

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Journal: IRANIAN JOURNAL OF ECOHYDROLOGY Year:2018 | Volume:4 | Issue:4 Page(s): 1215-1225

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Information Journal Paper

Title

Event-Oriented Runoff Estimation in Mountainous Basin by GSSHA Physically- Distributed Model

Author(s)

SHARIFI ALI | SALARIJAZI MEYSAM | GHORBANI KHALIL | Issue Writer Certificate

Keywords

Physically-DistributedQ2

Rainfall-RunoffQ2

GSSHAQ2

ZiaratQ2

Abstract

The Physically-Distributed models lead to more reliable results for surface runoff process simulation in basins with complicated physical condition. In this study, Rainfall-Runoff modeling in Ziarat mountainous basin is investigated using GSSHA Physically-Distributed model. Digital elevation model, soil type and land use maps prepared and three and two events are considered for calibration and validation. Fitness precision criteria including Nash-Sutcliffe (NSE), Percentage Error in Volume (PEV), Percentage Error in Time to Peak (PETP) and Percentage Error in Peak (PEP) beside visual criterion used for results analysis. Median of PEV, PEP and PETP for calibration and validation steps were (25. 3 and 61. 5), (5. 5 and 11. 8) and (4. 8 and 0) that indicated underestimation for volume, suitable precision for peak and excellent precision for time to peak estimations. Also, evaluation of simulated hydrographs using visual and NSE criteria confirmed model precision for hydrograph simulation. The results show although soil initial moisture selected based on initial estimation in validation step but the overall precision of model in runoff characteristics estimations is suitable.

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APA: Copy

SHARIFI, ALI, SALARIJAZI, MEYSAM, & GHORBANI, KHALIL. (2018). Event-Oriented Runoff Estimation in Mountainous Basin by GSSHA Physically- Distributed Model. IRANIAN JOURNAL OF ECOHYDROLOGY, 4(4 ), 1215-1225. SID. https://sid.ir/paper/254200/en

Vancouver: Copy

SHARIFI ALI, SALARIJAZI MEYSAM, GHORBANI KHALIL. Event-Oriented Runoff Estimation in Mountainous Basin by GSSHA Physically- Distributed Model. IRANIAN JOURNAL OF ECOHYDROLOGY[Internet]. 2018;4(4 ):1215-1225. Available from: https://sid.ir/paper/254200/en

IEEE: Copy

ALI SHARIFI, MEYSAM SALARIJAZI, and KHALIL GHORBANI, “Event-Oriented Runoff Estimation in Mountainous Basin by GSSHA Physically- Distributed Model,” IRANIAN JOURNAL OF ECOHYDROLOGY, vol. 4, no. 4 , pp. 1215–1225, 2018, [Online]. Available: https://sid.ir/paper/254200/en

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