THE ASSESSMENT OF FLUCTUATIONS ON ROUGHNESS MANNING COEFFICIENT FOR PREDICTION OF FLOOD FLOW HYDRAULICS (CASE STUDY: ATRAK RIVER)

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MOUSAVI BAYEGI S.M.; FARIDHOSSEINI A.R.; ALIZADEH A.; INANLOU M.

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Journal: Journal of Water and Soil Year:2012 | Volume:26 | Issue:1 Page(s): 183-192

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Title

THE ASSESSMENT OF FLUCTUATIONS ON ROUGHNESS MANNING COEFFICIENT FOR PREDICTION OF FLOOD FLOW HYDRAULICS (CASE STUDY: ATRAK RIVER)

Author(s)

MOUSAVI BAYEGI S.M. | FARIDHOSSEINI A.R. | ALIZADEH A. | INANLOU M. | Issue Writer Certificate

Keywords

ATRAK RIVERQ2

FLOOD HAZARD MAPPINGQ2

VEGETATION COVERQ2

HEC-GEORASQ2

HEC-RASQ2

Abstract

There are different ways to control flood damages, which one of these methods is flood zoning (floodplain limits analysis). In this procedure, the floodplain limites were determined by simulating river hydraulic behavior for different return periods. In other hand, the soil and specifically plant coverage were the most effective factor for determining the manning roughness coefficient (n). So, it is expected that the seasonal plant coverage changing affect on manning roughness coefficient and also flood hydraulic behavior forecasting. In this study, a part of ATRAK RIVER was selected to study the effect of a season in determining of manning roughness coefficient for prediction of flood hydraulic behavior, due to VEGETATION COVER changes. The manning roughness coefficient was determined separately in winter and summer times. The quantitative and qualitative results were shown that a season affected on determination of manning coefficient, and also its caused changes on “n” values on left and right river banks. Additionally, for determining the floodplain limits the fluctuations on VEGETATION COVER, were effective. Finally, VEGETATION COVER caused some changes on flood zones, velocity, depth, shear stress, distribution of flood flow volume in river system and also floodplain limits for various return periods.

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APA: Copy

MOUSAVI BAYEGI, S.M., FARIDHOSSEINI, A.R., ALIZADEH, A., & INANLOU, M.. (2012). THE ASSESSMENT OF FLUCTUATIONS ON ROUGHNESS MANNING COEFFICIENT FOR PREDICTION OF FLOOD FLOW HYDRAULICS (CASE STUDY: ATRAK RIVER). JOURNAL OF WATER AND SOIL (AGRICULTURAL SCIENCES AND TECHNOLOGY), 26(1), 183-192. SID. https://sid.ir/paper/141792/en

Vancouver: Copy

MOUSAVI BAYEGI S.M., FARIDHOSSEINI A.R., ALIZADEH A., INANLOU M.. THE ASSESSMENT OF FLUCTUATIONS ON ROUGHNESS MANNING COEFFICIENT FOR PREDICTION OF FLOOD FLOW HYDRAULICS (CASE STUDY: ATRAK RIVER). JOURNAL OF WATER AND SOIL (AGRICULTURAL SCIENCES AND TECHNOLOGY)[Internet]. 2012;26(1):183-192. Available from: https://sid.ir/paper/141792/en

IEEE: Copy

S.M. MOUSAVI BAYEGI, A.R. FARIDHOSSEINI, A. ALIZADEH, and M. INANLOU, “THE ASSESSMENT OF FLUCTUATIONS ON ROUGHNESS MANNING COEFFICIENT FOR PREDICTION OF FLOOD FLOW HYDRAULICS (CASE STUDY: ATRAK RIVER),” JOURNAL OF WATER AND SOIL (AGRICULTURAL SCIENCES AND TECHNOLOGY), vol. 26, no. 1, pp. 183–192, 2012, [Online]. Available: https://sid.ir/paper/141792/en

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