Behavior of Currents and Suspended Sediments around a Silt Screen
The behavior of Suspended Sediment Concentrations (SSC) around a silt screen in a microtidal coastal area was hydrodynamically measured. The current speed at the mid-layer about 30 m downstream of the screen reduces to about half that at the same distance upstream. It was caused by the contraction o...
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Veröffentlicht in: | Ocean and polar research 2003-12, Vol.25 (spc3), p.399-408 |
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container_title | Ocean and polar research |
container_volume | 25 |
creator | Jin, Jae-Youll Chae, Jang-Won Song, Won-Oh Park, Jin-Soon Kim, Sung-Eun Jeong, Weon-Mu Yum, Ki-Dai Oh, Jae-Kyung |
description | The behavior of Suspended Sediment Concentrations (SSC) around a silt screen in a microtidal coastal area was hydrodynamically measured. The current speed at the mid-layer about 30 m downstream of the screen reduces to about half that at the same distance upstream. It was caused by the contraction of the vertical section due to the screen. Even during a relatively weak storm period, the SSC increases to that of the value caused by dredging. Section-averaged SSC at the downstream of the screen is higher by about 60% than that at the upstream, suggesting that the silt screen plays an adverse effect rather than a constructive role in the reduction of SSC generated by dredging. |
doi_str_mv | 10.4217/OPR.2003.25.spc3.399 |
format | Article |
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title | Behavior of Currents and Suspended Sediments around a Silt Screen |
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