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南海上升流研究概述
引用本文:吴日升,李立.南海上升流研究概述[J].台湾海峡,2003,22(2):269-277.
作者姓名:吴日升  李立
作者单位:国家海洋局第三海洋研究所,福建,厦门,361005
基金项目:国家重点基础研究发展规划基金资助项目(G1999043807、G1999043805)
摘    要:本文对近40a来南海上升流研究结果进行了概述,重点介绍了南海北部陆架区上升流的时空分布特征,及其消长和形成机制等研究成果.这些研究成果揭示上升沈是整个南海北部陆架区夏季的普遍现象,具有南海海盆的空间尺度.引起南海北部陆架区夏季上升流存在的动力因素是盛行的西南季风.该上升流在空间和时间上的分布是不均一的,海南岛东北和闽、粤边界海域是上升流中心区;台湾浅滩周围的上升流呈多元结构,各上升流区海水的理化性质存在看明显差异;在粤东,上升流的影响可达沿海港湾内部,并支配看这些港湾的夏季水文条件.南海除了在其北部陆架区存在看夏季上升流外,夏季在越南东部沿岸和冬季在吕宋岛沿岸均存在看上升流。

关 键 词:南海  上升流  时空分布  形成机制  消长机制  海水  夏季  水文条件
文章编号:1000-8160(2003)02-0269-09

Summarization of study on upwelling system in the South China Sea
WU Ri sheng,LI Li.Summarization of study on upwelling system in the South China Sea[J].Journal of Oceanography In Taiwan Strait,2003,22(2):269-277.
Authors:WU Ri sheng  LI Li
Abstract:This paper summarizes the studies on upwelling system in the South China Sea in recent 40 years, especial introduce the results of temporal and spatial distribution and evolution of upwelling over the northern shelf of the SCS. These studies show that the upwelling is a common phenomenon in the area. And the upwelling scale is comparable to the scale of the SCS basin. Dynamical factor of causing upwelling in the area is strong southwest monsoon. It appears that the upwelling is not homogeneous either in space or in time. There are some upwelling centers in the northeast of the Hainan Island and the boundary area between Fujian and Guangdong .In the southern part of Taiwan Strait,the upwelling shows multi cell structure around the Taiwan Shoals. Each upwelling water mass has different physical and chemical characters. In the eastern Guangdong, the influence of upwelling may reach inner part of coastal bay and dominates hydrographic condition of these bays in summer. In the South China Sea, besides upwelling over the northern shelf in summer, there are a upwelling along the eastern coast of Vietnam in summer and a upwelling along the coast of Luzon in winter respectively.
Keywords:marine hydrology  upwelling  review  distribution  the South China Sea
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