从2010年1月的1个反气旋涡探讨南海中尺度涡的输运能力

doi:10.3969/j.issn.1001-909X.2014.04.001

海洋学研究 ›› 2014, Vol. 32 ›› Issue (4): 1-10.DOI: 10.3969/j.issn.1001-909X.2014.04.001

• 研究论文 • 下一篇

从2010年1月的1个反气旋涡探讨南海中尺度涡的输运能力

王惠楠^1,2, 许东峰^*1,2, 陈钟为^1,2, 徐鸣泉^1,2, 杨龙奇³, 陈洪^1,2

1.卫星海洋环境动力学国家重点实验室,浙江杭州 310012;
2.国家海洋局第二海洋研究所,浙江杭州 310012;
3.福州市海洋与渔业技术中心,福建福州 350026

收稿日期:2014-03-10 修回日期:2014-06-18 出版日期:2014-12-15 发布日期:2022-11-25
通讯作者: *许东峰(1966-),男,研究员,主要从事大洋环流和海-气相互作用方面的研究。E-mail:xudongfengyh@yahoo.com
作者简介:王惠楠(1989-),女,吉林辽源市人,主要从事物理海洋学方面的研究。E-mail:shenze023@163.com
基金资助:
国家重点基础研究发展计划(973计划)项目资助(2014CB441501,2011CB403503);国家海洋局第二海洋研究所基本科研业务费专项资金项目资助(JT1206)

Exploration on the transportation capacity using an anticyclonic eddy of the South China Sea in January 2010

WANG Hui-nan^1,2, XU Dong-feng^*1,2, CHEN Zhong-wei^1,2, XU Ming-quan^1,2, YANG Long-qi³, CHEN Hong^1,2

1. State Key Laboratory of Satellite Ocean Environmental Dynamics, Hangzhou 310012, China;
2. The Second Institute of Oceanography, SOA, Hangzhou 310012, China;
3. Fuzhou Marine and Fisheries Technology Center, Fuzhou 350026, China

Received:2014-03-10 Revised:2014-06-18 Online:2014-12-15 Published:2022-11-25

摘要/Abstract

摘要： 应用漂流浮标,结合卫星高度计资料和示踪粒子法,研究了中国南海中尺度涡的输运能力。从浮标漂流轨迹和对应的流场分布可知在真实海洋中存在涡对物质的输运,陷入反气旋涡的漂流浮标跟随涡旋顺时针打转4圈,以圆弧形轨迹运动至海南岛以东。进一步通过示踪粒子法进行长期模拟得出涡内物质会以和涡相同的旋转方向旋转前进,在忽略水平方向上的混合对示踪粒子轨迹影响的情况下,在第55天,93%的质点(153个)将跟随涡旋运动,7%的质点(11个)会在中途与涡旋分离,运动中涡会不断把内部物质甩向涡的外缘,质点会从涡最边缘速度由大转小处脱离涡旋,但是大多数质点会跟随涡旋在其边缘以圆弧形轨迹向前运动,并最终稳定在涡旋的最边缘。

关键词: 南海, 漂流浮标, 示踪粒子法, 中尺度涡, 输运能力

Abstract: The transportation capacity of South China Sea mesoscale eddy was studied using Drifter buoys, combined with satellite altimeter data and tracer particles method. Both Drifter buoy data and the flow field showed the existence of the eddy transportation in the real ocean. The Drifter buoy moved into the anticyclonic eddy, and then followed the eddy to make 4 turns, in the end, the Drifter buoy moved towards the east of Hainan Island with arc-shaped trajectory. From the long-term simulation results using tracer particles method, we learned the particles in the eddy moved forwards in the same rotational direction, 93% particles(153) followed the eddy motion, and 7% particles(11) were separated from the eddy in midway. The eddy throwed the particles from inside to edge of eddy, some particles were out of the eddy from the place of the eddy edge, in which the speed turned from large to small. But most particles followed the edge of eddy with arc-shaped trajectory; finally, they were stabled at the very edge of the eddy.

Key words: South China Sea, Drifter buoy, tracer particle method, mesoscale eddy, transportation capacity

中图分类号:

P731

王惠楠, 许东峰, 陈钟为, 徐鸣泉, 杨龙奇, 陈洪. 从2010年1月的1个反气旋涡探讨南海中尺度涡的输运能力[J]. 海洋学研究, 2014, 32(4): 1-10.

WANG Hui-nan, XU Dong-feng, CHEN Zhong-wei, XU Ming-quan, YANG Long-qi, CHEN Hong. Exploration on the transportation capacity using an anticyclonic eddy of the South China Sea in January 2010[J]. Journal of Marine Sciences, 2014, 32(4): 1-10.

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从2010年1月的1个反气旋涡探讨南海中尺度涡的输运能力

Exploration on the transportation capacity using an anticyclonic eddy of the South China Sea in January 2010

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