| KONG Lingshuang,CAO Zude,WANG Wei,QI Dingman. 2011. Sediment movement characteristics of coast and analysis of seabed evolution. Acta Oceanologica Sinica, (5):101－107 |
| Sediment movement characteristics of coast and analysis of seabed evolution |
| Sediment movement characteristics of coast and analysis of seabed evolution |
| Received:January 11, 2011 Revised:June 14, 2011 |
| DOI：10.1007/s13131-011-0152-1 |
| Key words:sediment movement periodic alternating current sediment numerical simulation equilibrium sediment concentration seabed erosion-sedimentation index |
| 中文关键词: sediment movement periodic alternating current sediment numerical simulation equilibrium sediment concentration seabed erosion-sedimentation index |
| 基金项目:The Public Science and Technology Research Funds Projects of Ocean under contract Nos 200905001 and 201005019; UNESCO-IHE Partnership Research Fund (UPaRF) under contract No. 60038881; the National Natural Science Foundation of China under contract No. 50939003. |
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| Abstract: |
| The rotary ring flume is used to study the silty sand movement in a periodic alternating current. Characteristics of sediment movement of different coasts in the tidal current are summarized. More detailed analysis of erosion-sedimentation function in a numerical simulation is made. The equilibrium sediment concentration is advanced. Based on the equilibrium sediment concentration, the seabed erosion-sedimentation index is derived and the seabed erosion-sedimentation calculation is analyzed. The seabed erosion-sedimentation index is used to calculate the seabed evolution of Yangshan sea area and a good agreement with field measurements is obtained. |
| 中文摘要: |
| The rotary ring flume is used to study the silty sand movement in a periodic alternating current. Characteristics of sediment movement of different coasts in the tidal current are summarized. More detailed analysis of erosion-sedimentation function in a numerical simulation is made. The equilibrium sediment concentration is advanced. Based on the equilibrium sediment concentration, the seabed erosion-sedimentation index is derived and the seabed erosion-sedimentation calculation is analyzed. The seabed erosion-sedimentation index is used to calculate the seabed evolution of Yangshan sea area and a good agreement with field measurements is obtained. |
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