Nonlinear Behavior of Suspended Sediment Load at Different Time Scales
Publish Year: 1390
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
NCHP03_383
تاریخ نمایه سازی: 3 فروردین 1391
Abstract:
Investigation of suspended sediment load can be considered as one of the main phenomenal parameters, therefore some mathematical and empirical models, meta heuristic methods and chaotic dynamics have been used to study of this factor in recent years. Because of high capability of chaos theory in non-linear processes and natural events modeling, this study is attempted to characterize of suspended sediment concentration at five different successively doubled temporal scales, daily, 2-day, 4- day, 8-day, and 16-day, in the Mississippi River. For computation of delay time ofphase space average mutual information used and also chaotic dimension estimated by correlation dimension. Results show that the daily, 2-day, and 4-day series, having fractal dimension values 3, 3.49, and 4.39 respectively, is capable of being calculatedby this theory, but the 8-day and 16-day of the above five scales should be estimatedby the stochastic models.
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Authors
MOHAMMAD ALI GHORBANI
Associate Professor, Department of Water Engineering, University of Tabriz
HAKIMEH ASADI
Master of Science Student, Department of Water Engineering, University of Tabriz
MAJID ASADI
Civil Engineerin
PEYMAN YOUSEFI
Master of Science Student,Department of Water Engineering, University of Tabriz
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