| 苏北废黄河三角洲侵蚀后退过程及其对潮流动力的影响研究 |
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| 引用本文： | 陈可锋,王艳红,陆培东,俞亮亮.苏北废黄河三角洲侵蚀后退过程及其对潮流动力的影响研究[J].海洋学报,2013,35(3):189-196. |
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| 作者姓名： | 陈可锋 王艳红 陆培东 俞亮亮 |
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| 作者单位： | 南京水利科学研究院水文水资源与水利工程科学国家重点实验室, 江苏 南京 210024;南京水利科学研究院河流海岸研究所, 江苏 南京 210024 |
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| 基金项目： | 国家自然科学基金资助项目(41006048);南京水利科学研究院院基金(Y211004)。 |
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| 摘 要： | 以苏北废黄河三角洲及其毗邻海域的南黄海旋转潮波为研究对象,在恢复黄河北归以来苏北废黄河三角洲海岸不同发育阶段岸线位置和水下地形的基础之上,通过所建立的潮波数学模型,研究了在苏北废黄河三角洲不同演变阶段南黄海潮波运动的特征及其变化。研究表明:在1855年黄河北归前,由于废黄河口岸线向外突出20余千米且有宏大的水下三角洲,由北向南传播的潮波受到阻挡,处在其南侧的辐射沙脊区水动力相对较弱;随着江苏海岸线后退,废黄河口水下三角洲夷平,由北向南传播的潮波变得更加顺畅,南黄海旋转潮波得到不断加强,辐射沙脊北部的西洋水道及中南部的烂沙洋水道、小庙洪水道深槽区水动力随着废黄河三角洲的侵蚀后退,平均流速和最大流速均表现为增大的趋势。
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| 关 键 词： | 南黄海 废黄河三角洲 辐射沙脊 岸线变迁 数值模拟 |
| 收稿时间： | 2012/4/12 0:00:00 |
| 修稿时间： | 2012/10/18 0:00:00 |
Research on the abandoned Huanghe River Delta erosion process and impact on tidal current dynamic characteristic of the Huanghai Sea off the coast of North Jiangsu, China |
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| CHEN Kefeng,WANG Yanhong,LU Peidong and YU Liangliang.Research on the abandoned Huanghe River Delta erosion process and impact on tidal current dynamic characteristic of the Huanghai Sea off the coast of North Jiangsu, China[J].Acta Oceanologica Sinica (in Chinese),2013,35(3):189-196. |
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| Authors: | CHEN Kefeng WANG Yanhong LU Peidong and YU Liangliang |
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| Institution: | State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Nanjing Hydraulic Research Institut, Nanjing 210024 China;River and Harbor Engineering Department, Nanjing Hydraulic Research Institute, Nanjing 210024, China |
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| Abstract: | Based on the restoring coastline position and the underwater topography of the Abandoned Huanghe River Delta coast in different developmental stages, since the Huanghe River turning over to the north,through establishing a wide range tidal wave mathematical model and a partial tidal current mathematical model, the Huanghai Sea tidal current characteristic and the change in different evolution stages of the delta have been studied.The result shows that the current velocity is relatively weak in the radial sand ridges, due to the abandoned Huanghe River coastline protruding more than 20 km, and the ambitious underwater delta, blocking the tidal wave of spread from north to south. With the Jiangsu coastline retreating, the abandoned Huanghe River undersea delta deplanation, revolution tide in the south Huanghai Sea gets strengthening, the average current velocity and the maximum current velocity are expressed as tended to increase in the Xiyang, Lanshayang and Xiaomiaohong waterways in the radial sand ridges. |
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| Keywords: | South Huanghai Sea abandoned Huanghe River Delta radial sand ridges coastline changes numerical simulation |
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