Long-term variability of the sharp thermocline in the Yellow and East China Seas

Jiajia Hao; Yongli Chen; Fan Wang

doi:10.1007/s00343-012-1251-3

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Long-term variability of the sharp thermocline in the Yellow and East China Seas

Updated：2023-05-16

- Long-term variability of the sharp thermocline in the Yellow and East China Seas
- Journal of Oceanology and Limnology Vol. 30, Issue 6, Pages: 1016-1025(2012)
- Affiliations：
  
  1. Key Laboratory of Ocean Circulation and Waves Chinese Academy of Sciences
  2. Institute of Oceanology Chinese Academy of Sciences
- Author bio：
- Funds：
- DOI：10.1007/s00343-012-1251-3
  CLC：
- Online First：17 November 2012，
  
  Published：2012
- Accepted：
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Hao, J., Chen, Y. & Wang, F. Long-term variability of the sharp thermocline in the Yellow and East China Seas., Chin. J. Ocean. Limnol. 30, 1016–1025 (2012). https://doi.org/10.1007/s00343-012-1251-3
DOI：

Hao, J., Chen, Y. & Wang, F. Long-term variability of the sharp thermocline in the Yellow and East China Seas., Chin. J. Ocean. Limnol. 30, 1016–1025 (2012). https://doi.org/10.1007/s00343-012-1251-3 DOI：

摘要

Abstract

Based on observed temperature data since the 1950s

long-term variability of the summer sharp thermocline in the Yellow Sea Cold Water Mass (YSCWM) and East China Sea Cold Eddy (ECSCE) areas is examined. Relationships between the thermocline and atmospheric and oceanic forcing were investigated using multiyear wind

Kuroshio discharge and air temperature data. Results show that: 1) In the YSCWM area

thermocline strength shows about 4-year and 16-year period oscillations. There is high correlation between summer thermocline strength and local atmospheric temperature in summer and the previous winter; 2) In the ECSCE area

interannual oscillation of thermocline strength with about a 4-year period (stronger in El Niño years) is strongly correlated with that of local wind stress. A transition from weak to strong thermocline during the mid 1970s is consistent with a 1976/1977 climate shift and Kuroshio volume transport; 3) Long-term changes of the thermocline in both regions are mainly determined by deep layer water

especially on the decadal timescale. However

surface water can modify the thermocline on an interannual timescale in the YSCWM area.

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references

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