A numerical study on seasonal variations of the Taiwan Warm Current

Bai Xuezhi; Hu Dunxin

doi:10.1007/BF02842560

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A numerical study on seasonal variations of the Taiwan Warm Current

Updated：2023-05-16

- A numerical study on seasonal variations of the Taiwan Warm Current
- Journal of Oceanology and Limnology Vol. 22, Issue 3, Pages: 278-285(2004)
- Affiliations：
  
  Institute of Oceanology Chinese Academy of Sciences
- Author bio：
- Funds：
- DOI：10.1007/BF02842560
  CLC：
- Published：2004
- Accepted：
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Xuezhi, B., Dunxin, H. A numerical study on seasonal variations of the Taiwan Warm Current., Chin. J. Ocean. Limnol. 22, 278–285 (2004). https://doi.org/10.1007/BF02842560
DOI：

Xuezhi, B., Dunxin, H. A numerical study on seasonal variations of the Taiwan Warm Current., Chin. J. Ocean. Limnol. 22, 278–285 (2004). https://doi.org/10.1007/BF02842560 DOI：

摘要

Abstract

Princeton Ocean Model (POM) is employed to investigate the Taiwan Warm Current (TWC) and its seasonal variations. Results show that the TWC exhibits pronounced seasonal variations in its sources

strength and flow patterns. In summer

the TWC flows northeast in straight way and reaches around 32°N; it comes mainly from the Taiwan Strait

while its lower part is from the shelf-intrusion of the Kuroshio subsurface water (KSSW). In winter

coming mainly from the shelf-intrusion of the Kuroshio northeast of Taiwan

the TWC flows northward in a winding way and reaches up around 30°N. The Kuroshio intrusion also has distinct seasonal patterns. The shelf-intrusion of KSSW by upwelling is almost the same in four seasons with a little difference in strength; it is a persistent source of the TWC. However

Kuroshio surface water (KSW) can not intrude onto the shelf in summer

while in winter the intrusion of KSW always occurs. Additional experiments were conducted to examine effects of winds and transport through the Taiwan Strait on the TWC. In winter

northerly winds enhance the shelf-intrusion of the Kuroshio and spread northward

but hamper the northward inflow from the Taiwan Strait. In summer

the effect of the winds is confined in the surface layer

and less obvious than that of winter. Transport through the Taiwan Strait influences the TWC significantly. With the Taiwan Strait closed in the simulation

the TWC would be dramatically weakened.

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Keywords

references

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