韩树宗,徐常三

• 1:中国海洋大学海洋环境学院

摘要(Abstract)：

采用1977年1月～2006年12月高分辨率全球大洋环流模型OFES输出结果,对琉球群岛附近海域水文要素进行了统计分析。结果表明:(1)琉球海流从西南到东北逐渐加强,其中在宫古海峡东侧断面琉球海流流量约为同断面黑潮流量的70%。(2)琉球海流的来源有4部分,分别为台湾以东黑潮的分支、宫古海峡以南的西向流、东海黑潮通过庆良间水道次表层流出的部分以及冲绳群岛和奄美群岛东面的西向流。(3)黑潮的流核主要位于表层至水深400m,而琉球海流的流核主要位于水深200～600m。(4)琉球海流受中尺度涡的影响十分剧烈,纬度越低,其受中尺度涡的影响越明显。(5)琉球海流和黑潮都存在1个约10a的显著变化周期。

关键词(KeyWords)： 琉球群岛;琉球海流;流量;黑潮;地球模拟器海洋环流模式(OFES)

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(41076003)资助

作者(Author): 韩树宗,徐常三

DOI: 10.16441/j.cnki.hdxb.2012.z1.002

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