南海北部海底沙波研究Study on the Seafloor Sandwaves in the Northern South China Sea
吴建政,胡日军,朱龙海,马芳,刘剑伦
摘要(Abstract):
南海北部水深100~250 m的陆架和陆坡斜坡海底分布着大片沙波地貌,本文采用底形相图参数近似计算和泥沙起动流速2种计算方法,结合海底微地貌的实际形态,研究了沙波的沉积特征及其成因机理。研究认为,区内的沙波为现代沉积地貌;控制沙波形成发育的主要水动力因素是潮流与风暴条件下风海流的叠加;区内泥沙颗粒粒径适宜,海底坡度平缓,有利于海底沙波的发育。
关键词(KeyWords): 南海北部;海底沙波;风暴潮;现代地貌
基金项目(Foundation):
作者(Author): 吴建政,胡日军,朱龙海,马芳,刘剑伦
DOI: 10.16441/j.cnki.hdxb.2006.06.033
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