A SENSITIVITY STUDY OF SOME HYDROLOGIC EMPIRICAL METHODS FOR ESTIMATING FLOOD PEAK AS RELATED TO DRAINAGE AREA IN WATERSHEDS IN IRAN

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MAHDAVI M.; JAMALI A.A.; AYOUBZADEH SEYED ALI; VAFAKHAH M.

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Journal: IRANIAN JOURNAL OF NATURAL RESOURCES Year:2004 | Volume:57 | Issue:3 Page(s): 403-414

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Title

A SENSITIVITY STUDY OF SOME HYDROLOGIC EMPIRICAL METHODS FOR ESTIMATING FLOOD PEAK AS RELATED TO DRAINAGE AREA IN WATERSHEDS IN IRAN

Author(s)

MAHDAVI M. | JAMALI A.A. | AYOUBZADEH SEYED ALI | VAFAKHAH M. | Issue Writer Certificate

Keywords

HYDROLOGIC EMPIRICAL METHODQ4

PEAK FLOOD DISCHARGEQ3

FLOOD ESTIMATION REGRESSION MODELSQ4

DRAINAGE AREAQ4

WATERSHEDQ4

IRANQ3

Abstract

Design flood is an indispensable criterion in many water projects. Unfortunately, many of developing countries including IRAN are faced with lack of sufficient recorded hydrologic data. Thus, in order to cope with data scarcity and study ungauged catchments, application of developed empirical models based on other gauged catchments is a common strategy used by hydrologists. The present research work is an effort to evaluate a number of ten general empirical models for flood estimation with different return periods. The models include: Dicken, Creager, Gray, Bremner, Waitt, Inglis, Cramer, Murphy, Ocornell and Cooley. The models have been tested in the major IRANian WATERSHEDs namely the Caspian Sea basin, the Persian Gulf and Oman Sea WATERSHEDs, the Uromia Lake WATERSHED and the Central Deserts catchments. The results highlight that the Bremner Model is best for shorter return periods in Caspian Sea WATERSHED whereas Murphy Model can act better as a general model over there. In the Persian Gulf and Oman Sea WATERSHEDs, the Dicken Model with an exponential form shows better results. However for short return periods the Gray model is better. In Uromia Lake WATERSHED all models except Gray are applicable. In the WATERSHEDs of the Central Deserts, for shorter return periods the Murphy Model gives better results whereas for longer return periods Cramer is the most suitable. The present study shows that the most suitable range for study area varies from 1400 to 2400 Km2.

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APA: Copy

MAHDAVI, M., JAMALI, A.A., AYOUBZADEH, SEYED ALI, & VAFAKHAH, M.. (2004). A SENSITIVITY STUDY OF SOME HYDROLOGIC EMPIRICAL METHODS FOR ESTIMATING FLOOD PEAK AS RELATED TO DRAINAGE AREA IN WATERSHEDS IN IRAN. IRANIAN JOURNAL OF NATURAL RESOURCES, 57(3), 403-414. SID. https://sid.ir/paper/22905/en

Vancouver: Copy

MAHDAVI M., JAMALI A.A., AYOUBZADEH SEYED ALI, VAFAKHAH M.. A SENSITIVITY STUDY OF SOME HYDROLOGIC EMPIRICAL METHODS FOR ESTIMATING FLOOD PEAK AS RELATED TO DRAINAGE AREA IN WATERSHEDS IN IRAN. IRANIAN JOURNAL OF NATURAL RESOURCES[Internet]. 2004;57(3):403-414. Available from: https://sid.ir/paper/22905/en

IEEE: Copy

M. MAHDAVI, A.A. JAMALI, SEYED ALI AYOUBZADEH, and M. VAFAKHAH, “A SENSITIVITY STUDY OF SOME HYDROLOGIC EMPIRICAL METHODS FOR ESTIMATING FLOOD PEAK AS RELATED TO DRAINAGE AREA IN WATERSHEDS IN IRAN,” IRANIAN JOURNAL OF NATURAL RESOURCES, vol. 57, no. 3, pp. 403–414, 2004, [Online]. Available: https://sid.ir/paper/22905/en

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