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Analysis of Evolution Trend of Pearl River Estuary in the Past 30 Years
Author(s): 
Pages: 14-17
Year: Issue:  1
Journal: Pearl River

Abstract: 总结了珠江河口近30年来的变化过程,通过实测资料分析了河口岸线和河势变化特征,探讨了演变原因,认为近30年来,在上游来沙量逐渐减少的条件下,人为活动与径潮流是塑造珠江河口演变的主要动力,近岸浅滩的围垦,深水航道的疏浚,径潮流作用对拦门沙前缘及其主槽的淤积有控制作用,珠江河口已初步形成了岸线平顺,水沙输移顺畅,淤积幅度大幅减缓的态势,有利于维护伶仃洋、黄茅海滩槽基本稳定格局,这对保持河口的水沙平衡和...
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