Evaluation of a Cross-shore Outflow Rate of Suspended Sediment
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- IZUMI Masatoshi
- 国際航業株式会社防災海洋部
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- IZUMIYA Takashi
- 新潟大学工学部
Bibliographic Information
- Other Title
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- 浮遊砂による底質の沖合い流出量の定量評価に関する研究
Abstract
A cross-shore outflow rate of suspended sediment is important in estimating coastal sediment budget. On estimating an outflow rate, vertical distributions of concentration of suspended load were evaluated as a function of bottom friction velocity due to wave action and settling velocity of suspended load. With these results, by solving numerically the conservation equation of sediment and the advective diffusion equation of the suspended load, and integrating it in the cross shore direction from the location of a berm to that of the critical depth for drift sand movement, a sediment loss flowing to a deeper region than the critical depth for drift sand movement was obtained. As a result, the bottom changes due to suspended load cannot be neglected.
Journal
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- PROCEEDINGS OF COASTAL ENGINEERING, JSCE
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PROCEEDINGS OF COASTAL ENGINEERING, JSCE 55 721-725, 2008
Japan Society of Civil Engineers
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Keywords
Details 詳細情報について
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- CRID
- 1390282679526950400
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- NII Article ID
- 130003992346
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- ISSN
- 18848222
- 09167897
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- Data Source
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- JaLC
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed