南海北部海底地貌初步研究
PRELIMINARY STUDY ON SUBMARINE RELIEF OF THE NORTHERN SOUTH CHINA SEA
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摘要: 南海系西北太平洋边缘海之一,开展南海海底地质地貌的调查与研究,对发展海洋地质理论和开发海底矿产资源均具有重大意义.虽然前人已做过一些工作[1.3,5-7,10-12,14],但海底地貌的研究一直较为薄弱.本文根据三万多公里的回声测深记录、二千多公里的旁侧声纳图象、一千多公里的浅地层剖面资料和数千个沉积物样品的分析研究,对南海北部大陆架、大陆坡和深海盆地等地貌单元进行了划分,并对其成因与发育问题作了探讨(见图1).Abstract: Based on the data from a synthetic marine geological ivestigation to the northen South China Sea, especially on the analysis of bathymetric and sonargraphic records, divisons of the continental shelf, slope and abyssal basin in the region studied are made. The characteristics, origin and evolution of these geomorphological units are briefly described and discussed.
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