Evaluating of Erosion and Sedimentation of Karkheh River at Downstream of Reservoir Dam

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AZARANG F.; TELVARI A.; SEDGHI H.; SHAFAI BAJESTAN M.

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Journal: IRANIAN JOURNAL OF WATERSHED MANAGEMENT SCIENCE AND ENGINEERING Year:2016 | Volume:10 | Issue:34 Page(s): 15-26

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Title

Evaluating of Erosion and Sedimentation of Karkheh River at Downstream of Reservoir Dam

Author(s)

AZARANG F. | TELVARI A. | SEDGHI H. | SHAFAI BAJESTAN M. | Issue Writer Certificate

Keywords

SimulationQ2

HEC-RAS ModelQ2

CalibrationQ1

Sediment TransportQ2

Central Axis of RiverQ1

Abstract

Karkheh, the third largest river of Iran, is high importance due to strategic environmental conditions caused by major water and agricultural projects, industrial and urban water supply. Since the probable morphological # # # = # = # # can affect many water utilities such as ponds and irrigation channels, therefore in the present study, in a # = / V/ # X # K + erosion and sedimentation and some of its features such as changes in geodetic, cross-section shape of river and total sediment load were all examined and simulated using HEC-RAS Model. The Simulation period of this research was between 2001 to 2013. The results show that near Karkheh Reservoir Dam, which is upstream studying area the erosion condition of the river is higher but in the middle and lower areas of the river, less erosion can be seen. Furthermore, in the Simulation of Sediment Transport functions Ackres-White, Larsen and Engelund-Hansen have offered better results regarding erosion and sedimentation changes of river. Also morphological studies of Karkheh River showed that construction of Reservoir Dam has failed to prevent the displacement of the central axis of Karkheh River. The results of this survey can be a good reference for the condition of Karkheh River and the effects of constructing Reservoir Dam on its condition for various engineering projects, dewatering and water transport.

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APA: Copy

AZARANG, F., TELVARI, A., SEDGHI, H., & SHAFAI BAJESTAN, M.. (2016). Evaluating of Erosion and Sedimentation of Karkheh River at Downstream of Reservoir Dam. IRANIAN JOURNAL OF WATERSHED MANAGEMENT SCIENCE AND ENGINEERING, 10(34 ), 15-26. SID. https://sid.ir/paper/134650/en

Vancouver: Copy

AZARANG F., TELVARI A., SEDGHI H., SHAFAI BAJESTAN M.. Evaluating of Erosion and Sedimentation of Karkheh River at Downstream of Reservoir Dam. IRANIAN JOURNAL OF WATERSHED MANAGEMENT SCIENCE AND ENGINEERING[Internet]. 2016;10(34 ):15-26. Available from: https://sid.ir/paper/134650/en

IEEE: Copy

F. AZARANG, A. TELVARI, H. SEDGHI, and M. SHAFAI BAJESTAN, “Evaluating of Erosion and Sedimentation of Karkheh River at Downstream of Reservoir Dam,” IRANIAN JOURNAL OF WATERSHED MANAGEMENT SCIENCE AND ENGINEERING, vol. 10, no. 34 , pp. 15–26, 2016, [Online]. Available: https://sid.ir/paper/134650/en

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