Hydrological analysis of bed stability in the Masiel Mouchan River-Markazi Province

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hoseinzadeh Mohammad mahdi; Gholami Parvin

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Journal: IRANIAN JOURNAL OF ECOHYDROLOGY Year:2018 | Volume:5 | Issue:2 Page(s): 525-533

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Title

Hydrological analysis of bed stability in the Masiel Mouchan River-Markazi Province

Author(s)

hoseinzadeh Mohammad mahdi | Gholami Parvin | Issue Writer Certificate

Keywords

bed stabilityQ2

Move threshold sediment particlesQ2

Critical shear stressQ2

critical unit dischargeQ2

Masiel Mouchan RiverQ2

Abstract

The river is a dynamic phenomenon that is constantly changing. Estimating the resistance of sediment particles against erosion will identify stable and unstable points in different areas of the bed. Study area of this research was of Masiel Mouchan River in the Astaneh city. In this study, we investigated threshold of (transformation and deposition of bed sediments, in 4 cross sections. the Critical shear stresses and the critical unit discharge calculated for four particle sizes D16, D50, D84 and D95 in all sections, and results shows, sediments in D16, D50, D84 and D95 diameter moves at bankfull discharge in sections 2 and 4, therefore sedimentary conditions of the river bed will change at bankfull discharge. At cross sections 1 and 3, particles with a diameter of D84, D95 will remain stable in bed, and other particles smaller than this size was unstable. Sediment particle are unstable in cross section of 2 and 4, because Slope of cross sections 2 and 4 are greater than 1 and 3 cross section. Finally, the results of both methods (Critical shear stresses and the critical unit discharge) have high confection and confirms these methods are useful for stabilization studies in other rivers.

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APA: Copy

hoseinzadeh, Mohammad mahdi, & Gholami, Parvin. (2018). Hydrological analysis of bed stability in the Masiel Mouchan River-Markazi Province. IRANIAN JOURNAL OF ECOHYDROLOGY, 5(2 ), 525-533. SID. https://sid.ir/paper/254048/en

Vancouver: Copy

hoseinzadeh Mohammad mahdi, Gholami Parvin. Hydrological analysis of bed stability in the Masiel Mouchan River-Markazi Province. IRANIAN JOURNAL OF ECOHYDROLOGY[Internet]. 2018;5(2 ):525-533. Available from: https://sid.ir/paper/254048/en

IEEE: Copy

Mohammad mahdi hoseinzadeh, and Parvin Gholami, “Hydrological analysis of bed stability in the Masiel Mouchan River-Markazi Province,” IRANIAN JOURNAL OF ECOHYDROLOGY, vol. 5, no. 2 , pp. 525–533, 2018, [Online]. Available: https://sid.ir/paper/254048/en

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