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涡分辨率全球海洋环流模式LICOM模拟的吕宋海峡流场的季节变化

李云 俞永强

李云, 俞永强. 涡分辨率全球海洋环流模式LICOM模拟的吕宋海峡流场的季节变化[J]. 气候与环境研究, 2014, 19(5): 547-558. doi: 10.3878/j.issn.1006-9585.2013.13035
引用本文: 李云, 俞永强. 涡分辨率全球海洋环流模式LICOM模拟的吕宋海峡流场的季节变化[J]. 气候与环境研究, 2014, 19(5): 547-558. doi: 10.3878/j.issn.1006-9585.2013.13035
LI Yun, YU Yongqiang. Seasonal Variation of Circulation and Water Transports in Luzon Strait Derived from a Quasi-Global Eddy-Resolving Ocean General Circulation Model LICOM[J]. Climatic and Environmental Research, 2014, 19(5): 547-558. doi: 10.3878/j.issn.1006-9585.2013.13035
Citation: LI Yun, YU Yongqiang. Seasonal Variation of Circulation and Water Transports in Luzon Strait Derived from a Quasi-Global Eddy-Resolving Ocean General Circulation Model LICOM[J]. Climatic and Environmental Research, 2014, 19(5): 547-558. doi: 10.3878/j.issn.1006-9585.2013.13035

涡分辨率全球海洋环流模式LICOM模拟的吕宋海峡流场的季节变化

doi: 10.3878/j.issn.1006-9585.2013.13035
基金项目: 国家重点基础研究计划项目2010CB950502,中国科学院战略性先导科技专项目XDA05110302,海洋公益性行业科研专项201105002

Seasonal Variation of Circulation and Water Transports in Luzon Strait Derived from a Quasi-Global Eddy-Resolving Ocean General Circulation Model LICOM

  • 摘要: 分析了一个1/10°的涡分辨率全球环流模式LICOM(LASG/IAP Climate system Ocean Model)对吕宋海峡附近海洋环流的模拟能力。结果表明,模拟的吕宋海峡附近上层环流及输运具有明显的季节变化特征,除6月是东向净流出外,其余月份均为西向流入,冬季流量最大。年平均流量在-3.76 Sv(1 Sv=106 m3/s),其中上层 (600 m以上)流量起主要贡献,为-3.60 Sv,与目前已有的研究结果基本一致。南海通过6个海峡完成与外界的水交换,其中吕宋海峡和巴拉巴克海峡是大洋水进入南海的主要通道,其余海峡均以流出为主,流出量最大的是台湾海峡(1.99 Sv),其次是卡里玛塔海峡(1.03 Sv)。进一步分析表明,由季风引起的埃克曼输送量约占吕宋海峡流量的11%,而由季风引起的吕宋海峡压力梯度形成的西向的地转流对吕宋海峡的输运起支配作用。作为黑潮源头的太平洋北赤道流流量对吕宋海峡输运的季节变化也有一定影响。
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  • 收稿日期:  2013-02-25
  • 修回日期:  2013-05-06

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