Critical Shear Stress for Deposition of Cohesive Sediments in Mai Po

W. Y. Chan; Onyx W.H. Wai; Y. S. Li

doi:10.1007/BF03400463

Critical Shear Stress for Deposition of Cohesive Sediments in Mai Po

W. Y. Chan, Onyx W.H. Wai, Y. S. Li

The Hong Kong Polytechnic University

Research output: Journal article publication › Journal article › Academic research › peer-review

1 Citation (Scopus)

Abstract

A series of tests was conducted to investigate the deposition behaviors of the cohesive sediments collected from Mai Po (Hong Kong) in wet seasons when the salinity was low. The sediment suspended by high shear stress in water with zero salinity was allowed to deposit by lowering the shear stress level. The results show that the sediment has a unique transport characteristic. The sediment began to deposit steadily once it undergoes a weaker shear stress. The underlying reasons of this phenomenon and the application to a sediment transport model are discussed in this paper.

Original language	English
Pages (from-to)	294-299
Number of pages	6
Journal	Journal of Hydrodynamics
Volume	18
Issue number	1
DOIs	https://doi.org/10.1007/BF03400463
Publication status	Published - 1 Feb 2006

Keywords

cohesive sediments
critical shear stress
deposition
flocculation
Mai Po
multiple class sediment

ASJC Scopus subject areas

Modelling and Simulation
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

More information

10.1007/BF03400463

Cite this

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title = "Critical Shear Stress for Deposition of Cohesive Sediments in Mai Po",

abstract = "A series of tests was conducted to investigate the deposition behaviors of the cohesive sediments collected from Mai Po (Hong Kong) in wet seasons when the salinity was low. The sediment suspended by high shear stress in water with zero salinity was allowed to deposit by lowering the shear stress level. The results show that the sediment has a unique transport characteristic. The sediment began to deposit steadily once it undergoes a weaker shear stress. The underlying reasons of this phenomenon and the application to a sediment transport model are discussed in this paper.",

keywords = "cohesive sediments, critical shear stress, deposition, flocculation, Mai Po, multiple class sediment",

author = "Chan, {W. Y.} and Wai, {Onyx W.H.} and Li, {Y. S.}",

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AB - A series of tests was conducted to investigate the deposition behaviors of the cohesive sediments collected from Mai Po (Hong Kong) in wet seasons when the salinity was low. The sediment suspended by high shear stress in water with zero salinity was allowed to deposit by lowering the shear stress level. The results show that the sediment has a unique transport characteristic. The sediment began to deposit steadily once it undergoes a weaker shear stress. The underlying reasons of this phenomenon and the application to a sediment transport model are discussed in this paper.

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KW - critical shear stress

KW - deposition

KW - flocculation

KW - Mai Po

KW - multiple class sediment

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Critical Shear Stress for Deposition of Cohesive Sediments in Mai Po

Abstract

Keywords

ASJC Scopus subject areas

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