Survey of Relationship between Input Parameters and Calculated Suspended Sediment Discharge by Bagnold and Lane - Kalinske Method (Bazoft River, Iran)
الموضوعات :
Nazila Sedaei
1
(
Shahrekord University, Shahrekord,
)
Afshin Honarbakhsh
2
(
Shahrekord University, Shahrekord
)
Sayyed Farhad Mousavi
3
(
Isfahan University of Technology, Isfahan
)
الکلمات المفتاحية: Bagnold, Lane and Kalinske, suspended sediment, Spss17, Bazoft River,
ملخص المقالة :
In this paper, two formulas were chosen among those that estimate the suspendedsediment discharge in rivers. These two formulas were Lane and Kalinske and Bagnold. Forstudying and knowing the correlation between input parameters and calculated suspendedsediment discharge (CSSD), the SPSS17 software was used. Input parameters in these twoformulas were as: water velocity, water discharge, suspended sediment concentration,hydraulic radius, and depth. By entering input parameters of these formulas into model, theresults of both methods showed no significant correlation between CSSD and inputparameters except water discharge in Lane and Kalinske and water velocity in Bagnold. Otherinput parameters have no good correlations with CSSD. Therefore, if Lane and Kalinskesuspended sediment concentration and water discharge multiplied by each other and thenequation powered by 0.5, the correlation between this equation and CSSD become better thansupposing them individually with CSSD.
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