Surface inflow into the South China Sea through the Luzon Strait in winter

Jingsong Guo; Xianyao Chen; Janet Sprintall; Binghuo Guo; Fangli Qiao; Yeli Yuan

doi:10.1007/s00343-012-1056-4

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Surface inflow into the South China Sea through the Luzon Strait in winter

Updated：2023-05-16

- Surface inflow into the South China Sea through the Luzon Strait in winter
- Journal of Oceanology and Limnology Vol. 30, Issue 1, Pages: 163-168(2012)
- Affiliations：
  
  1. Physical and Environmental Oceanography Ocean University of China
  2. Laboratory of Marine Science and Numerical Modeling The First Institute of Oceanography State Oceanic Administration
  3. Scripps Institution of Oceanography UCSD
- Author bio：
- Funds：
- DOI：10.1007/s00343-012-1056-4
  CLC：
- Online First：15 November 2012，
  
  Published：2012
- Accepted：
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Guo, J., Chen, X., Sprintall, J. et al. Surface inflow into the South China Sea through the Luzon Strait in winter., Chin. J. Ocean. Limnol. 30, 163–168 (2012). https://doi.org/10.1007/s00343-012-1056-4
DOI：

Guo, J., Chen, X., Sprintall, J. et al. Surface inflow into the South China Sea through the Luzon Strait in winter., Chin. J. Ocean. Limnol. 30, 163–168 (2012). https://doi.org/10.1007/s00343-012-1056-4 DOI：

摘要

Abstract

We studied the driving force of the Kuroshio intrusion into the South China Sea (SCS) during the winter monsoon

using satellite-tracked drifters entering the Luzon Strait (LS) through the Balintany and Babuyan Channels from the Philippine Sea. Most drifters passing through the Babuyan Channel in winter entered the interior SCS without a significant change in velocity. However

half of the drifters passing through the Balintany Channel entered the SCS at ∼30 cm/s

which was faster than when they entered the LS. The other half continued moving northwestward into the Kuroshio and returned to the North Pacific. Quantitative analyses

using surface climatological wind and sea surface height anomaly (SSHa) data explained both the difference in velocity of drifters between the two channels and their acceleration through the Balintany Channel. The results suggest that the positive meridional gradient of sea surface height in the Luzon Strait

caused by the pileup of seawater driven by the Northeast monsoon

as well as Ekman flow

contribute to the Kuroshio intrusion into the SCS through the Babuyan and Balintany Channels. The former may be the main driving force.

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references

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