Calibration of SWMM Model in North catchment of Tehran

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Badizadegan Reza; KHODASHENAS SAEEDREZA; ESMAILI KAZEM

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Journal Paper

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Journal: Journal of Range and Watershed Managment Year:2021 | Volume:73 | Issue:4 Page(s): 709-724

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Information Journal Paper

Title

Calibration of SWMM Model in North catchment of Tehran

Author(s)

Badizadegan Reza | KHODASHENAS SAEEDREZA | ESMAILI KAZEM | Issue Writer Certificate

Keywords

Rainfall-Runoff ModelQ1

Calibration and ValidationQ1

Urban CatchmentQ1

SWMM ModelQ1

Abstract

In this study SWMM software has been calibrated with real meteorological and hydrometric data at the North of Tehran basins and simulation parameters have been obtained. For this purpose, five rainfall events and runoff data related to these rainfalls, recorded at the outlet of Zargandeh catchment were used. This model is calibrated with three events and verified with two other events. Also, in this simulation the peaks of flood, outflow hydrographs, runoff volumes and peak flood times is obtained. The root mean square error are obtained for outlet hydrographs for the first to fifth events were 0. 05, 0. 22, 0. 4, 0. 37 and 0. 16, and the Nash-Sutcliffe coefficient are obtained 0. 91, 0. 94, 0. 93, 0. 9 and 0. 94, respectively. Also, the percentage of difference of the flood discharge peak modeling and observations for first to fifth events are calculated 7. 33%, 9. 69%, 5. 8%, 5. 6% and 9. 93% and for runoff volume, this percentage difference are calculated-8. 82%,-3. 08%, 8. 8%,-19. 43% and 5. 11%, respectively. Based on these results, the performance and application of this model to simulate runoff in this area is acceptable and can be used to manage and control urban runoff.

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APA: Copy

Badizadegan, Reza, KHODASHENAS, SAEEDREZA, & ESMAILI, KAZEM. (2021). Calibration of SWMM Model in North catchment of Tehran. JOURNAL OF RANGE AND WATERSHED MANAGEMENT (IRANIAN JOURNAL OF NATURAL RESOURCES), 73(4 ), 709-724. SID. https://sid.ir/paper/390260/en

Vancouver: Copy

Badizadegan Reza, KHODASHENAS SAEEDREZA, ESMAILI KAZEM. Calibration of SWMM Model in North catchment of Tehran. JOURNAL OF RANGE AND WATERSHED MANAGEMENT (IRANIAN JOURNAL OF NATURAL RESOURCES)[Internet]. 2021;73(4 ):709-724. Available from: https://sid.ir/paper/390260/en

IEEE: Copy

Reza Badizadegan, SAEEDREZA KHODASHENAS, and KAZEM ESMAILI, “Calibration of SWMM Model in North catchment of Tehran,” JOURNAL OF RANGE AND WATERSHED MANAGEMENT (IRANIAN JOURNAL OF NATURAL RESOURCES), vol. 73, no. 4 , pp. 709–724, 2021, [Online]. Available: https://sid.ir/paper/390260/en

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