Reversal process of the South China Sea western boundary current in autumn 2011

Zhixin Zhang; Jingsong Guo; Binghuo Guo

doi:10.1007/s00343-016-4388-7

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Reversal process of the South China Sea western boundary current in autumn 2011

Updated：2023-05-16

- Reversal process of the South China Sea western boundary current in autumn 2011
- Journal of Oceanology and Limnology Vol. 34, Issue 3, Pages: 608-618(2016)
- Affiliations：
  
  1. College of Physical and Environmental Oceanography Ocean University of China
  2. Laboratory of Marine Science and Numerical Modeling First Institute of Oceanography State Oceanic Administration (SOA)
- Author bio：
- Funds：
- DOI：10.1007/s00343-016-4388-7
  CLC：
- Online First：21 October 2015，
  
  Published：2016
- Accepted：
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Zhang, Z., Guo, J. & Guo, B. Reversal process of the South China Sea western boundary current in autumn 2011., Chin. J. Ocean. Limnol. 34, 608–618 (2016). https://doi.org/10.1007/s00343-016-4388-7
DOI：

Zhang, Z., Guo, J. & Guo, B. Reversal process of the South China Sea western boundary current in autumn 2011., Chin. J. Ocean. Limnol. 34, 608–618 (2016). https://doi.org/10.1007/s00343-016-4388-7 DOI：

摘要

Abstract

Using merged sea level anomaly and absolute geostrophic velocity products from satellite altimetry and Argos drifter data

we analyzed the reversal process of the South China Sea (SCS) western boundary current (SCSwbc) from a summer to winter pattern in 2011 and important oceanic phenomena during this process. Results show that the outbreak time of the northeast monsoon over the southern SCS lagged that over the northern SCS by about 1 month. During the SCS monsoon reversal period

the SCSwbc reversed rapidly into the winter pattern at the Guangdong continental slope in late September. Subsequently

the southward Vietnam coastal boundary current strengthened. However

the northward Natuna Current maintained a summer state until mid-October. Thus

the balance between the southward and northward currents was lost when they met

their junction moved gradually southward. However

a loop current formed southeast of Vietnam because the main stream of the Vietnam Offshore Current (VOC) remained near its original latitude. Meanwhile

the VOC and associated dipole circulation system strengthened. After mid-October

the northward Natuna Current began to weaken

the loop current finally shed

becoming a cool ring. The VOC and its associated dipole sub-basin circulation system also weakened gradually until it disappeared.

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