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广西沿岸位于北部湾的东北部,东起广东省的英罗港,西至东兴的北仑河口,海岸线全长约1475公里。沿岸分布有河流、港湾、岛屿等,岸线曲折,地形独特,湾内有湾,流系较为复杂。一九六○年全国海洋综合普查,对北纬21°00′以南海区的流系作过分析,但北纬21°00′以北的广西沿岸海区至今研究甚少。本文基于近期的调查资料,从计算余流入手,对广西沿岸海区的余流特性进行初步分析,以期了解基本分布状况和变化规律,为北部湾的余流研究和海洋资源开发等提供参考。
The coast of Guangxi is located in the northeast of Beibu Gulf, east of Yingluo Harbor of Guangdong Province and Beilun River estuary of Dongxing in the west. The coastline is about 1475 kilometers in length. There are rivers, harbors and islands along the coast, twists and turns of coastline, unique terrain, bay in the bay and more complicated flow system. The 1960 National Census of Marine Census conducted an analysis of the flow system in the South China Sea at latitude 21o 00 ’, but few studies have been done on the coast of Guangxi in the north of latitude 21o 00’ north. Based on the recent survey data, from the calculation of residual flow, this paper analyzes the residual current characteristics of the coastal area of Guangxi in order to understand the basic distribution and variation rules, and provides a reference for the study of residual flow in the Beibu Gulf and the development of marine resources.