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南海珠江口盆地陆架斜坡及大陆坡海底沙波动态分析

, PP. 122-132

Keywords: 珠江口,陆架斜坡,大陆坡,沙波,盆地,动力地貌

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Abstract:

探索陆架与陆坡海底动力地貌演变规律,不仅是学科理论发展上的重要研究课题,同时也是国土开发和研究海洋工程环境的需要。文中基于作者提出的床面稳定中的“准共振界面波”理论模式,针对南海北部“卫滩幅”地区海床微地貌在水动力条件作用下的现况进行了初步分析,得出水深80~250m海底小尺度沙波的形成机理与室内水槽和天然海滩上的沙纹沙丘的形成同属一个规律,这一推论已得到该地区现场资料的初步验证。文中最后还就现有同行专家的研究成果估算了上述地区沙波的移动趋势。

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