Spatial and temporal variations of the Kuroshio east of Taiwan 1982-2005: A numerical study

Yi Chia Hsin*, Chau Ron Wu, Ping Tung Shaw

*此作品的通信作者

研究成果: 雜誌貢獻期刊論文同行評審

99 引文 斯高帕斯(Scopus)

摘要

A 1/8° East Asian Marginal Seas model nested to a larger-domain North Pacific Ocean model is implemented over a span of 24 years from 1982 to 2005 to investigate the spatial and temporal variations of the Kuroshio east of Taiwan. Between 22 and 25°N, the mean state and variability of the Kuroshio, such as the two paths observed in the trajectories of surface drifters southeast of Taiwan and the branching of the Kuroshio northeast of Taiwan, are well reproduced by the model. Southeast of Taiwan, the Kuroshio is mostly in the top 300 m in the inshore path but extends to 600 m in the offshore path. Northeast of Taiwan, the Kuroshio follows the shelf edge in the East China Sea but may branch along a path south of the Ryukyu Islands. The latter path often meanders southward, and a significant portion of the Kuroshio transport may be diverted to this path. The Kuroshio extends from the coast to 123-123.5°E between 22 and 25°N with currents reaching a depth of 1000 m at some latitudes. The Kuroshio transports averaged over five sections east of Taiwan are 28.4 ± 5.0 Sv and 32.7 ± 4.4 Sv with and without the contribution from the countercurrent, respectively.

原文英語
文章編號C04002
期刊Journal of Geophysical Research: Oceans
113
發行號4
DOIs
出版狀態已發佈 - 2008 四月 8

ASJC Scopus subject areas

  • 地球化學與岩石學
  • 地球物理
  • 地球與行星科學(雜項)
  • 空間與行星科學
  • 大氣科學
  • 天文和天體物理學
  • 海洋學

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