Seasonal to interannual variations in the intensity and central position of the surface Kuroshio east of Taiwan

Yi Chia Hsin*, Bo Qiu, Tzu Ling Chiang, Chau Ron Wu

*此作品的通信作者

研究成果: 雜誌貢獻期刊論文同行評審

67 引文 斯高帕斯(Scopus)

摘要

Seasonal and interannual changes of surface Kuroshio intensity and central position east of Taiwan during 1993-2012 are investigated by quantitatively analyzing the satellite altimetry product. The Kuroshio moves inshore (offshore) off northeast of Taiwan in winter (summer), whereas it has an offshore (inshore) path off southeast of Taiwan in winter (summer). The seasonal change of heat flux over the East China Sea shelf is found to cause the seasonality of the Kuroshio central position off northeast of Taiwan, whereas the seasonal Kuroshio movement off southeast of Taiwan is found to be induced by the combined effect of the Kuroshio changes through the Luzon Strait and the eastern Luzon Island. In contrast to this y-dependent path changes, the Kuroshio becomes weaker (stronger) as a whole east of Taiwan in winter (summer). On the interannual time scales, the Kuroshio throughout the eastern coast of Taiwan intensifies and has a concurrent offshore path during the periods of 1995-1997 and 2004-2007. The relative intensity of cyclonic eddies to anticyclonic eddies off eastern Taiwan are found to contribute to these interannual Kuroshio changes.

原文英語
頁(從 - 到)4305-4316
頁數12
期刊Journal of Geophysical Research: Oceans
118
發行號9
DOIs
出版狀態已發佈 - 2013 九月

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
  • 海洋學

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