RELATIONSHIP BETWEEN NASH INSTANTACE UNIT HYDROGRAPH PARAMETERS AND FLOW PHYSIOGRAPHICAL CHARACTERISTICS IN SOME SELECTION WATERSHEDS IRAN

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POOR HAJI ZADEH A.; MOHSENI SARAVI M.; VARVAND J.; VAFAKHAH M.

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Journal: Watershed Management Research Year:2009 | Volume:22 | Issue:2 (83) Page(s): 21-29

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Title

RELATIONSHIP BETWEEN NASH INSTANTACE UNIT HYDROGRAPH PARAMETERS AND FLOW PHYSIOGRAPHICAL CHARACTERISTICS IN SOME SELECTION WATERSHEDS IRAN

Author(s)

POOR HAJI ZADEH A. | MOHSENI SARAVI M. | VARVAND J. | VAFAKHAH M. | Issue Writer Certificate

Keywords

NUMBER OF RESERVOIRS (N)Q3

STORAGE COEFFICIENT (K)Q3

NASHQ3

FLOOD EVENTQ3

INSTANTANEOUS UNIT HYDROGRAPHQ2

Abstract

Instantaneous unit hydrograph is one of the methods that could be used for estimation of FLOOD EVENT hydrograph.In ungaged basins, its application needs estimation of storage coefficient (k) and number of reservoirs (n).In this research, in order to investigate relationship between IUH’s parameters and basin characteristics, at first hydrograph and hyetograph of 5-9 FLOOD EVENTs from 6 basins with different climate collected and then IUH’s parameters calculated for each event using moment methods.Multiple regression analysis between IUH’s parameters, asin characteristics and some of rainfall and flow characteristics showed that area and excess rainfall and ratio of mean stream length to basin slope are effective in n and k and are significant in 95%. The mentioned relationship is of linear regression and could be applied in other basin with similar characteristics.

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APA: Copy

POOR HAJI ZADEH, A., MOHSENI SARAVI, M., VARVAND, J., & VAFAKHAH, M.. (2009). RELATIONSHIP BETWEEN NASH INSTANTACE UNIT HYDROGRAPH PARAMETERS AND FLOW PHYSIOGRAPHICAL CHARACTERISTICS IN SOME SELECTION WATERSHEDS IRAN. WATERSHED MANAGEMENT RESEARCHES (PAJOUHESH-VA-SAZANDEGI), 22(2 (83)), 21-29. SID. https://sid.ir/paper/200679/en

Vancouver: Copy

POOR HAJI ZADEH A., MOHSENI SARAVI M., VARVAND J., VAFAKHAH M.. RELATIONSHIP BETWEEN NASH INSTANTACE UNIT HYDROGRAPH PARAMETERS AND FLOW PHYSIOGRAPHICAL CHARACTERISTICS IN SOME SELECTION WATERSHEDS IRAN. WATERSHED MANAGEMENT RESEARCHES (PAJOUHESH-VA-SAZANDEGI)[Internet]. 2009;22(2 (83)):21-29. Available from: https://sid.ir/paper/200679/en

IEEE: Copy

A. POOR HAJI ZADEH, M. MOHSENI SARAVI, J. VARVAND, and M. VAFAKHAH, “RELATIONSHIP BETWEEN NASH INSTANTACE UNIT HYDROGRAPH PARAMETERS AND FLOW PHYSIOGRAPHICAL CHARACTERISTICS IN SOME SELECTION WATERSHEDS IRAN,” WATERSHED MANAGEMENT RESEARCHES (PAJOUHESH-VA-SAZANDEGI), vol. 22, no. 2 (83), pp. 21–29, 2009, [Online]. Available: https://sid.ir/paper/200679/en

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