苏北辐射沙洲区间流系分布格局及对大气强迫力的响应

发布时间：2019-01-26 17:35

【摘要】：苏北辐射沙洲海域由10余条主沙脊和10余条主水道组成,其沙脊群间水动力的消长决定了沙洲的生成、发展及消亡,形成了滩槽相间、水道交错的独特地貌。黄海旋转潮波与东海前进潮波交汇于沙洲中心_6港,在沙洲外围诸多流系如黄海沿岸流、苏北沿岸水和长江冲淡水等影响下,又受复杂地形和大气强迫对浅水作用的影响,沙洲间余环流结构呈现4种环流结构迥异的特征。本文利用2006-2012年间8次共23站一年四季、涵盖主要沙脊和水道间准同步调查数据,以及沙洲南部4站长达1个月以上连续观测的ADCP资料,结合吕四和洋口港海洋站气象水文数据,分析了沙洲间余流四季输运分布格局,并重点讨论和分析了沙洲南部余流与风应力的响应关系。
[Abstract]:There are more than 10 main sand ridges and more than 10 main waterways in North Jiangsu. The formation, development and extinction of sandbanks are determined by the hydrodynamics between the sand ridges. Huang Hai's rotating tidal wave and the East China Sea forward tidal wave converge at the center of Shazhou Port _ 6. Under the influence of many flow systems in the periphery of the sandbank, such as Huang Hai coastal current, northern Jiangsu coastal water and Yangtze River diluted water, they are also affected by complex topography and atmospheric forcing on shallow water. The residual circulation structure between sandbanks shows the characteristics of four different circulation structures. In this paper, we use the data from 8 stations of 23 stations in 2006-2012 to cover the quasi-synchronous survey data between the main sand ridges and watercourses, as well as the ADCP data observed continuously for more than one month by the four stations in the southern part of Shazhou. Based on the meteorological and hydrological data of the oceanic station of Lusihe and Yangkou Port, the distribution pattern of the residual current in the four seasons between the sandbanks is analyzed, and the response relationship between the residual current and the wind stress in the southern part of the sandbank is discussed and analyzed emphatically.
【作者单位】：国家海洋局东海预报中心;
【基金】：海洋公益性行业科研专项经费项目—苏北浅滩“怪潮”灾害监测预警关键技术研究及示范应用(200905014)
【分类号】：P731.2

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