摘要
辐射沙洲海域的泥沙特征及运动规律研究是海岸泥沙运动力学研究的重要课题之一,也是江苏省沿海开发关注的热点问题之一。结合辐射沙洲海域大范围准同步实测泥沙资料,就悬沙粒径的平面分布特征及悬沙浓度的垂向运动规律进行了探讨和分析。结果表明,辐射沙洲海域悬沙中值粒径基本属于淤泥质范畴,虽具有沿岸和离岸的分布差异,但粒径变幅不大,基本在0.007mm以下;同时,海域悬沙浓度垂向分布近似满足Rouse分布律,但二者存在一定偏差,难以直接应用Rouse公式来描述辐射沙洲海域的悬沙浓度垂向分布特征。
The research of the characteristics of sediment and sediment transport in radial sand ridges area is considered as an essential issue of coastal substance transport theory, as well as a significant content of coastal exploitation in Jiangsu province. Thus, combined with quasi- synchronously measured sediment data around radial sand ridges area, the study on the horizontal distribution of sediment grain size and the vertical distribution of concentration of suspend sediment are carried out in this paper. The result shows the median diameter of suspend sediment mostly belongs to the range of mud within 0.007 - 0.014 mm, with slight difference along shore and offshore. Meanwhile, the vertical distribution of concentration of suspend sediment is similar to the Rouse distribution, but there are still some differences between them. So, it is concluded that the Rouse equation can＇t be directly applied in radial sand ridges area.
出处
《浙江水利科技》
2014年第5期19-21,共3页
Zhejiang Hydrotechnics
基金
国家科技支撑计划(2012BAB03B01)
江苏省自然科学基金青年基金项目(BK2012411)
河海大学中央高校基本科研业务费项目(2011B06014)
关键词
辐射沙洲
悬沙粒径
悬沙浓度
垂向分布
radial sand ridges area
sediment grain size
concentration of suspend sediment
vertical distribution
