Rainfall-runoff modeling based on system dynamics approach, case study: Mashhad Kardeh dam basin

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SALAJEGHE ALI; Khalighi Sikaroudi Shahram; AZARAKHSHI MARYAM; ROSTAMI KHALAJ MOHAMMAD

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Journal: WATERSHED ENGINEERING AND MANAGEMENT Year:2019 | Volume:11 | Issue:1 Page(s): 15-27

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Title

Rainfall-runoff modeling based on system dynamics approach, case study: Mashhad Kardeh dam basin

Author(s)

SALAJEGHE ALI | Khalighi Sikaroudi Shahram | AZARAKHSHI MARYAM | ROSTAMI KHALAJ MOHAMMAD | Issue Writer Certificate

Keywords

Hydrological processes.Impervious storageQ1

Khorasan Razavi provinceQ1

Nash-Sutcliffe coefficientQ1

Snow storageQ1

Abstract

Rainfall-runoff modeling is one of runoff estimation techniques and an appropriate tool for studying hydrological processes, water resources evaluation and watershed management. But, the complexity and the non-linear nature of rainfall-runoff process and not being known factors affecting it and generally on discharge at watershed outlet, modeling has become more difficult. Therefore, using the methods that have additionally dynamic, development capability, conceptual structure and user friendly is essential. Therefore, in this study, for rainfall-runoff modeling, system dynamics methods were used in the Kardeh dam basin of Mashhad. The proposed model includes six reservoir including Snow storage, canopy storage, impervious storage, surface soil storage, subsurface storage and groundwater storage. The required input data includes average daily precipitation and temperature. To calibrate the model, daily discharge data from basin outlet in the period from 1998 to 2008 and for evaluation the discharge from 2009 to 2012 were used. The results of sensitivity analysis showed that temperature parameters are more sensitive and have considerable impact on discharge and peak flow. Also, the results indicated that simulated stream flow pattern is quite similar to that observed and Nash-Sutcliffe coefficient obtained in evaluation period is between 0. 57-0. 67 which represents the high ability of system dynamics methods in watershed rainfall-runoff modeling.

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APA: Copy

SALAJEGHE, ALI, Khalighi Sikaroudi, Shahram, AZARAKHSHI, MARYAM, & ROSTAMI KHALAJ, MOHAMMAD. (2019). Rainfall-runoff modeling based on system dynamics approach, case study: Mashhad Kardeh dam basin. WATERSHED ENGINEERING AND MANAGEMENT, 11(1 ), 15-27. SID. https://sid.ir/paper/234786/en

Vancouver: Copy

SALAJEGHE ALI, Khalighi Sikaroudi Shahram, AZARAKHSHI MARYAM, ROSTAMI KHALAJ MOHAMMAD. Rainfall-runoff modeling based on system dynamics approach, case study: Mashhad Kardeh dam basin. WATERSHED ENGINEERING AND MANAGEMENT[Internet]. 2019;11(1 ):15-27. Available from: https://sid.ir/paper/234786/en

IEEE: Copy

ALI SALAJEGHE, Shahram Khalighi Sikaroudi, MARYAM AZARAKHSHI, and MOHAMMAD ROSTAMI KHALAJ, “Rainfall-runoff modeling based on system dynamics approach, case study: Mashhad Kardeh dam basin,” WATERSHED ENGINEERING AND MANAGEMENT, vol. 11, no. 1 , pp. 15–27, 2019, [Online]. Available: https://sid.ir/paper/234786/en

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