| NUMERICAL SIMULATION OF THE TIDAL MOTION AND SUSPEND EDSEDIMENT TRANSPORT IN THE RADIAL SANDBANK AREA OF THE SOUTHERN YELLOW SEA |
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| 引用本文： | SHIJiu-xin LEKen-tang YINBao-shu ZHANGRen-shun WUDe-an. NUMERICAL SIMULATION OF THE TIDAL MOTION AND SUSPEND EDSEDIMENT TRANSPORT IN THE RADIAL SANDBANK AREA OF THE SOUTHERN YELLOW SEA[J]. 水动力学研究与进展(B辑), 2004, 16(5): 555-563 |
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| 作者姓名： | SHIJiu-xin LEKen-tang YINBao-shu ZHANGRen-shun WUDe-an |
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| 作者单位： | [1]SchoolofGeographicalScience,NanjingNormalUniversity,Nanjing210097,China [2]KeyLaboratoryofMarineScienceandNumericalModeling,TheFirstInstituteofOceanography,StateOceanicAdministration,Qingdao266061,China [3]InstituteofOceanology,ChineseAcademyofSciences,Qingdao266071,China |
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| 基金项目： | theNationalBasicResearchProgran(GrantNo :G19990 4 380 9) ,theNationalTenth YearProject(GrantNo:2 0 0 1BA6 0 3B 0 2 )andtheFrontierInnovationProjectfromtheInstituteofOceanology ,ChineseAcademyofSciences |
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| 摘 要： | A coupled 2-D numerical model for hydrodynamic-sediment transport was established and applied to simulate the tides, tidal currents and sediment movement in the submarine Radial Sandbank area of the southern Yellow Sea.With a high-resolution topography dataset used in the model,the simulation reproduced a fine-structured current field and erosion-siltation distribution. The modeled results show that,in the area of Radial Sandbanks, reversing tidal current and seabed erosion occurs within troughs while tidal current with more rotary feature and deposition occurs above sandbanks,which indicates the tidal-induced formation of the Radial Sandbanks. During a tidal period, associating with the variation of current speed, erosion alternates with siltation. The seabed deformation depends on the relative strength of erosion and siltation in a tidal period.
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| 关 键 词： | 数值仿真 潮汐运动 悬浮物质 沉积传输 黄海南部 |
NUMERICAL SIMULATION OF THE TIDAL MOTION AND SUSPENDED SEDIMENT TRANSPORT IN THE RADIAL SANDBANK AREA OF THE SOUTHERN YELLOW SEA |
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| SHI Jiu-xin Key Laboratory of Marine Science and Numerical Modeling,The First Institute of Oceanography,State Oceanic Administration,Qingdao ,China LE Ken-tang,YIN Bao-shu Institute of Oceanology,Chinese Academy of Sciences,Qingdao ,China ZHANG Ren-shun,WU De-an School of Geographical Science,Nanjing Normal University,Nanjing,China. NUMERICAL SIMULATION OF THE TIDAL MOTION AND SUSPENDED SEDIMENT TRANSPORT IN THE RADIAL SANDBANK AREA OF THE SOUTHERN YELLOW SEA[J]. Journal of Hydrodynamics, 2004, 16(5): 555-563 |
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| Authors: | SHI Jiu-xin Key Laboratory of Marine Science Numerical Modeling The First Institute of Oceanography State Oceanic Administration Qingdao China LE Ken-tang YIN Bao-shu Institute of Oceanology Chinese Academy of Sciences Qingdao China ZHANG Ren-shun WU De-an School of Geographical Science Nanjing Normal University Nanjing China |
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| Affiliation: | SHI Jiu-xin Key Laboratory of Marine Science and Numerical Modeling,The First Institute of Oceanography,State Oceanic Administration,Qingdao 266061,China LE Ken-tang,YIN Bao-shu Institute of Oceanology,Chinese Academy of Sciences,Qingdao 266071,China ZHANG Ren-shun,WU De-an School of Geographical Science,Nanjing Normal University,Nanjing210097,China |
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| Abstract: | A coupled 2-D numerical model for hydrodynamic-sediment transport was established and applied to simulate the tides, tidal currents and sediment movement in the submarine Radial Sandbank area of the southern Yellow Sea. With a high-resolution topography dataset used in the model, the simulation reproduced a fine-structured current field and erosion-siltation distribution. The modeled results show that, in the area of Radial Sandbanks, reversing tidal current and seabed erosion occurs within troughs while tidal current with more rotary feature and deposition occurs above sandbanks, which indicates the tidal-induced formation of the Radial Sandbanks. During a tidal period, associating with the variation of current speed, erosion alternates with siltation. The seabed deformation depends on the relative strength of erosion and siltation in a tidal period. |
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| Keywords: | tidal current sediment transport numerical model Radial Sandbank area (RS area) |
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