VARIABILITY OF BED AND SUSPENDED LOAD AND BED TO SUSPENDED LOAD RATIO IN QOTOUR CHAY RIVER

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KHEIRFAM HOSSEIN; KHEIRFAM BEHZAD; AZHDAN YAAGHOUB; HOSSEINI SALEH

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Journal: WATERSHED ENGINEERING AND MANAGEMENT Year:2018 | Volume:10 | Issue:3 Page(s): 410-420

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Title

VARIABILITY OF BED AND SUSPENDED LOAD AND BED TO SUSPENDED LOAD RATIO IN QOTOUR CHAY RIVER

Author(s)

KHEIRFAM HOSSEIN | KHEIRFAM BEHZAD | AZHDAN YAAGHOUB | HOSSEINI SALEH | Issue Writer Certificate

Keywords

RIVER SYSTEMQ2

SEDIMENT BEHAVIORQ1

SEDIMENT HYDRAULICQ2

SEDIMENT TRANSPORTQ1

WATERSHED HEALTHQ1

Abstract

Variability analysis of river SEDIMENT TRANSPORT in different temporal and hydrological conditions is important in hydraulics and hydrological science and engineering. Otherwise, behavior analyzing of the riverian systems at the different temporal conditions is necessary in managerial decisions to control and reduce SEDIMENT TRANSPORT. However, knowledge about the type and amount of sediment in watersheds in various temporal and hydrological conditions is limited. Therefore, this study aimed to investigate the variability of bed and suspended load and bed to suspended load ratio. The 6-years period (1998-2003) data of bed and suspended load (g l-1) and discharge (m3 s-1) were collected from Yazdekan station of Qotour Chay River. The analyses also were carried out in Excel 2007 software. The results indicate that discharge increasing caused that the suspended load was increased and the bed to suspended load ratio was decreased at all seasons. As well, the lowest and highest bed and suspended load transport were occurred at the winter and spring, respectively. Amounts of minimum, maximum and median bed to suspended load ratio at spring, summer, autumn and winter were 5.02, 563.99 and 27.34%; and 0.075, 2034.91 and 135.80%; and 28.31, 659.15 and 184.94%; and 28.96, 457.61 and 169%, respectively. Also, during the study period the bed to suspended load ratio was varied about 0.7 up to 2034%. Therefore, using indirect methods to estimate sediment is not accurate because of complex behavior of sediment particularly bed load and bed to suspended load ratio with discharge. By and large, it is necessary that daily bed load measuring in sediment gauges.

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APA: Copy

KHEIRFAM, HOSSEIN, KHEIRFAM, BEHZAD, AZHDAN, YAAGHOUB, & HOSSEINI, SALEH. (2018). VARIABILITY OF BED AND SUSPENDED LOAD AND BED TO SUSPENDED LOAD RATIO IN QOTOUR CHAY RIVER. WATERSHED ENGINEERING AND MANAGEMENT, 10(3 ), 410-420. SID. https://sid.ir/paper/234687/en

Vancouver: Copy

KHEIRFAM HOSSEIN, KHEIRFAM BEHZAD, AZHDAN YAAGHOUB, HOSSEINI SALEH. VARIABILITY OF BED AND SUSPENDED LOAD AND BED TO SUSPENDED LOAD RATIO IN QOTOUR CHAY RIVER. WATERSHED ENGINEERING AND MANAGEMENT[Internet]. 2018;10(3 ):410-420. Available from: https://sid.ir/paper/234687/en

IEEE: Copy

HOSSEIN KHEIRFAM, BEHZAD KHEIRFAM, YAAGHOUB AZHDAN, and SALEH HOSSEINI, “VARIABILITY OF BED AND SUSPENDED LOAD AND BED TO SUSPENDED LOAD RATIO IN QOTOUR CHAY RIVER,” WATERSHED ENGINEERING AND MANAGEMENT, vol. 10, no. 3 , pp. 410–420, 2018, [Online]. Available: https://sid.ir/paper/234687/en

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