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地球科学进展  2015, Vol. 30 Issue (5): 609-619    DOI: 10.11867/j.issn.1001-8166.2015.05.0609
研究论文     
基于海洋分析资料的吕宋海峡水交换的月际变化特征
韩钦臣1, 康建成1, *, 王国栋1, 朱炯1
1. 上海师范大学城市生态与环境研究中心,上海 200234; 2. Fisheries and Oceans Canada Northwest Atlantic Fisheries Centre St. John's, NL, A1C 5X1 Canada
Monthly Variation Characteristics of Water Exchange Based on the Analyzed Ocean Data in the Luzon Strait
Han Qinchen1, Kang Jiancheng1, Han Guoqi2, Wang Guodong1, Zhu Jiong1
1. Urban Ecological and Environmental Research Center, Shanghai Normal University, Shnaghai 200234, China; 2. Fisheries and Oceans Canada Northwest Atlantic Fisheries Centre St. John's, NL, A1C 5X1 Canada
 全文: PDF(20785 KB)  
摘要:

利用1993—2006年1~12月AIPO(The joining area of Asia and IndianPacific Ocean)流场数据,分析了吕宋海峡120°E断面水交换流速结构的平均月际变化特征,并计算了通过该断面的水通量,探讨了水通量及其垂向结构的月际和季节变化特征。结果表明:①在断面的南北方向,西向流和东向流分别大致以19.5°N和21.5°N线为界,二者交替相间分布,呈“两进(西向流入南海)两出(东向流出南海)”的结构;21.5°N以南的300 m以深和21.5°N以北的1 000 m以浅海域,常年存在南海水东向流入太平洋。②上层、深层和整个断面的净水通量几乎均为西向流,净水通量冬季最大,春季和秋季次之,夏季最小。中层除12月外,其他各月的净水通量均为东向流出南海,净水通量春季最大,夏季和秋季次之,冬季最小。③整个断面的净水通量,1~ 5月和8~ 11月呈“三明治”结构,6~ 7月呈2层结构;12月呈单层结构,年平均呈“三明治”结构。

关键词: 吕宋海峡水通量西北太平洋南海水交换    
Abstract:

The characteristics of the average monthly variation of the velocity distribution of water exchange across the 120°E section in the Luzon Strait is analyzed. The volume transport of this water exchange is calculated, the monthly and seasonal variation structure of the volume transport and its vertical structure are discussed based on the AIPO(The joining area of Asia and IndianPacific Ocean)data from 1993 to 2006. The results show that:①In the north-south direction of the section, the boundary of the westward flow is located at near 19.5°N, while the boundary of the eastward flow is located at near 21.5°N. The velocity distribution of the westward and eastward flows alternate, is characteristic of a two-in(west to flow into the South China Sea)two-out(out of the South China Sea)structure. The water of the South China Sea flows into the Pacific Ocean to the east direction each month throughout the year, in the area as deep as more than 300 m in south of 21.5°N, and less than 1 000 m in north of 21.5°N.②Almost all the net volume transports in the upper, the deeper and the full depth layers flow westward, which claim the largest in winter, followed by autumn and spring, and with a minimum in summer. The net volume transport of the middle layer is the largest in spring, followed by summer and autumn, with a minimum in winter.③The net volume transport of the entire section, features a sandwich structure in January-May and August-November, a two-layer structure in June and July, and a single-layer structure in December. Averagely within a year, the annual average structure of the net volume transport presents a sandwich structure.

Key words: The South China Sea    Water exchange    Luzon Strait    Northwest Pacific    Transport volume.
出版日期: 2015-05-06
:  P722.7  
基金资助:

国家自然科学基金项目“东海黑潮区温、盐、流、海面高度多尺度变化过程及其机理研究”(编号:41340045); 上海市教委重点学科建设项目“地理学与城市环境”(编号:J50402)资助

通讯作者: 康建成(1957-),男,甘肃武山人,教授,主要从事全球气候环境演化过程及其影响研究.     E-mail: kangjc@126.com
作者简介: 韩钦臣(1980-),男,河南长垣人,博士研究生,主要从事海洋环境气候变化研究.E-mail:hqch2011@126.com
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引用本文:

韩钦臣, 康建成, 王国栋, 朱炯. 基于海洋分析资料的吕宋海峡水交换的月际变化特征[J]. 地球科学进展, 2015, 30(5): 609-619.

Han Qinchen, Kang Jiancheng, Han Guoqi, Wang Guodong, Zhu Jiong. Monthly Variation Characteristics of Water Exchange Based on the Analyzed Ocean Data in the Luzon Strait. Advances in Earth Science, 2015, 30(5): 609-619.

链接本文:

http://www.adearth.ac.cn/CN/10.11867/j.issn.1001-8166.2015.05.0609        http://www.adearth.ac.cn/CN/Y2015/V30/I5/609

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