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SEDIMENTODYNAMIC AND MORPHODYNAMIC CHARACTERISTICS OF GRAVEL BEACHES
Author(s): 
Pages: 113-118
Year: Issue:  1
Journal: MARINE GEOLOGY & QUATERNARY GEOLOGY

Keyword:  天然砾石海滩沉积动力过程地貌演化人工砾石海滩设计;
Abstract: 天然砾石海滩的物质主要来源于河流输入、海岸侵蚀、海底侵蚀、沿岸输送、人类活动及冰川搬运等.砾石海滩在地貌上表现出明显的分带性,海滩坡度的大小随物源和动力条件发生变化.砾石的磨蚀速率与岩性及周围沉积物粒度组成有关.人工砾石海滩建设可借鉴天然砾石海滩的形成和演化过程,合理地设计物质组成、砾石形状和大小,以便能更快地使人工海滩达到平衡状态并维持海滩的稳定性.
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