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引用本文:汤毓祥,林葵,田代知二.关于东海黑潮流量某些特征的分析.海洋与湖沼,1994,25(6):643-651.
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关于东海黑潮流量某些特征的分析
汤毓祥1, 林葵1, 田代知二2
1.国家海洋局第一海洋研究所 青岛 266003;2.长崎海洋气象台 长崎 日本
摘要:
基于1955-1990年G-PN断面资料,详细分析东海黑潮流量的分布特征及其变异,以进一步研究东海黑潮流量的变化规律。主要结果表明,(1)东海黑潮流量的多年平均值为22.7×106 m3/s,春、夏和冬3季,流量的多年平均值相差甚小。(2)G-PN断面两段不同观测期间内,多年平均流量及其季节变化皆有一定差别。(3)东海黑潮流量的分有存在一定的区域性差异,与通过G-PN断面的流量相比,台湾东侧海域的黑潮流量较大,而吐噶喇海峡的流量略小些。
关键词:  东海  黑潮  流量
DOI:
分类号:
基金项目:中日黑潮合作调查研究项目,1986-1992
附件
ANALYSIS OF SOME FEATURES OF VOLUME TRANSPORT OF THE KUROSHIO IN THE EAST CHINA SEA
Tang Yuxiang1, Lin Kui1, Tomosi Tashiro2
1.First Institute of Oceanography, SOA, Qingdao 266003;2.Nagaaki Marine Observatory, Nagasaks, Japan
Abstract:
Some features and variations of the Kuroshio volumn transport (VT) in the East China Sea are analysed mainly according to the observational results in section G-PN during 1955 - 1990. Main results are as follows.

1) The multi-year mean value of VT is 22.7×106 m3/s, σn = 3.9 ×106 m3/s. The values of VT are very close in spring, summer and winter, of which the VT in spring and summer are rather strong. The VT is the smallest in autumn. Maximum entropy spectra analysis indicates that the main periods of interannual variations of VT are 1.8a and 8a.

2) Observational results are somewhat different in two different observational periods, i.e. sections G (1955 - 1972) and PN (1973 - 1990). Their VT were 20.1 and 25.3×106 m3/s, respectively. The strongest VT occurred in spring for section G and in summer for section PN.

3) VT of the Kuroshio in the East China Sea has certain regional differences. Compared with the VT across section G-PN, the VT is larger across section TS and a little smaller across section TK. In addition, the smallest VT occurred in winter for section TS.

4) The large meanders south of Japan are often accompanied with large VT across section G-PN. The third, the fourth and the fifth large meanders began to occur soon after the VT increased suddenly. However, the sixth and the seventh large meanders began to appear at the time when the VT decreased.

Key words:  The East China Sea, The Kuroshio, Volumn transport
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