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OALib Journal期刊
ISSN: 2333-9721
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强潮环境下悬沙对底部边界层的影响
, PP. 52-57
Keywords: 悬沙质量浓度,再悬浮过程,切应力,潮流边界层,杭州湾
Abstract:
对杭州湾金山深槽附近两个定点站位的大潮期间同步水文、泥沙观测结果进行了粉砂分布区再悬浮效应的分析，提出了根据再悬浮过程反演底床切应力的新方法。研究结果表明，在强潮动力、高悬沙质量浓度环境下，即使无密度成层性，悬沙质量浓度对底部边界层的影响仍然存在，表现为底部切应力的减小。在这一条件下，如仍然采用卡门普朗特模型(κ=0.4)，则估算的底部切应力将大大高于实际的数值。
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