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TIDAL FLAT SEDIMENT CHARACTERISTICS AND TRANSPORT TRENDS ALONG THE NORTHERN BANK OF HANGZHOU BAY
Author(s): 
Pages: 25-30
Year: Issue:  6
Journal: MARINE GEOLOGY & QUATERNARY GEOLOGY

Keyword:  细颗粒沉积物潮滩粒径趋势分析余流杭州湾;
Abstract: 根据对杭州湾北岸高潮滩上采集的沉积物样品的粒度分析,该处沉积物类型以粉砂为主,分选性、偏态和峰态分别属较差、正偏和宽峰,呈现明显的强潮高能潮滩特征.用Gao-Collins模型进行了粒径趋势分析,结果表明:海盐附近和芦潮港以东附近均向西输运,乍浦和拓林之间向东输运.对比近岸余流方向后发现,沉积物沿岸输运趋势与近岸的余流方向较为一致,这是由于作为高潮滩堆积细颗粒沉积物的主要来源的近岸水体中,悬浮沉积物的净输运是受余流控制的.
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