Chapter
Apr 26, 2012
Analysis for the Dispersion Zone of Sediment Concentration Flowed into the Small Estuary
Authors: Sang-Kil Park [email protected], Jong-Su Yoon, Byung-Dal Kim, Un Ji [email protected], and Do-Hoon KimAuthor Affiliations
Publication: World Environmental and Water Resources Congress 2008: Ahupua'A
Abstract
The diffusion zone of sediment concentration in a small estuary and a coastal area with and without jetties was analyzed using numerical and physical models. It was assumed that sediment concentration was constant during intermediate flows, and was high in the beginning of high floods and decreased over time. The sediment diffusion zone and concentration for three cases, without the jetty, with only south jetty, and with the jetty, were examined in this study. In addition, the jetty was constructed in the field with the same design used in numerical and physical modeling and the diffusion zone of sediment concentration was monitored. The field data was similar to the results of numerical and physical modeling. Therefore, the reduction rate of sediment concentration by waves and the diffusion zone affected by increased sediment concentration were obviously decreased due to the construction of the jetty.
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© 2008 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
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ASCE Technical Topics:
- Coastal engineering
- Coastal protection structures
- Coasts, oceans, ports, and waterways engineering
- Diffusion
- Engineering fundamentals
- Engineering mechanics
- Estuaries
- Jetties
- Models (by type)
- Numerical models
- Physical models
- River engineering
- Sediment
- Sediment transport
- Structural engineering
- Structures (by type)
- Thermodynamics
- Transport phenomena
- Water and water resources
Authors
Affiliations
M.ASCE
Professor, Dept. of Civil Engineering, Pusan National Univ., Busan, South Korea.E-mail: [email protected]
Jong-Su Yoon
Graduate student, Dept. of Civil Engineering, Pusan National Univ., Busan, South Korea
Byung-Dal Kim
Graduate student, Dept. of Civil Engineering, Pusan National Univ., Busan, South Korea
Post-Doc, Dept of Civil and Environmental Engineering, Myongji Univ., Yongin, South Korea. E-mail: [email protected]
Do-Hoon Kim
Customer Service & Facilities Management Team, Korea Water Resources Corporation — Busan Regional Office, Busan, South Korea
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