摘要
基于多个时期的实测水文泥沙、地形资料分析了洋山港颗珠山汊道水域的水沙特征和地形冲淤变化,并论述了其对西港区建设的作用。研究结果表明:颗珠山汊道的涨、落潮主流存在分歧,涨潮主流位于颗珠山一侧,落潮主流偏向蒋公柱一侧,在一个全潮过程中落潮流占主要优势;颗珠山汊道对主通道的分流作用也日趋加强;目前颗珠山汊道处于一个发展比较缓慢而相对稳定的过程中;颗珠山汊道地形变化总体表现出冲刷形势;颗珠山汊道对缓解东口门的泄流、对西港区水深保持微冲状态以及对北港区水深的维护起到了一定的作用。
Based on the observation data of current velocity, sediment concentration, grain size and water-depth, it is analyzed the tidal current and sediment characteristic and erosion and deposition of the bed in the Kezhushan branch sea area. The results show that ebb tidal currents are preponderant during the whole tidal circle ; split-flow action to the main channel is increasingly strengthened ; the branch is in the steady process; the terrain change overall show scour situation; the existence of Kezhushan branch has an effect on the discharge and water-depth maintenance of north harbor district.
出处
《中国港湾建设》
北大核心
2010年第A01期17-23,共7页
China Harbour Engineering
关键词
洋山深水港
汊道
水沙环境
Yangshan deep-water harbor
branch channel
Tidal current and sediment environment
