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本文主要根据北部湾有关海洋调查的水文资料,采用“水团浓度混合法”对北部湾水系形成及其性质进行初步的探讨。分析结果表明:北部湾海区存在三大水系,即北部湾沿岸水、外海水及混合水,它们各自的形成及其性质的分布均与海流、河流、地形、风等因素有着密切的关系,同时还存在季节性的差异。因此,摸清这三大水系的分布及变化规律,对进一步了解北部湾生物资源分布、解释渔场的形成、促进海洋资源的合理开发都具有一定的参考价值。
In this paper, based on the hydrological data of the Beibu Gulf ocean survey, the formation of the Beibu Gulf water system and its properties are discussed with the “water mass concentration mixing method”. The results show that there are three major water systems in the Beibu Gulf, namely the Beibu Gulf coastal waters, the outer seawater and the mixed water. Their respective formation and distribution are closely related to the currents, rivers, topography and wind, and meanwhile, There are also seasonal differences. Therefore, finding out the distribution and variation of these three major water systems is of certain reference value for further understanding of the distribution of biological resources in Beibu Gulf, explaining the formation of fishing grounds, and promoting the rational development of marine resources.