SST variations of the Kuroshio from AVHRR observation

Zhang Caiyun; Chen Ge

doi:10.1007/BF02842848

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SST variations of the Kuroshio from AVHRR observation

OriginalPaper | Updated：2023-05-16

- SST variations of the Kuroshio from AVHRR observation
- SST variations of the Kuroshio from AVHRR observation
- 海洋湖沼学报（英文） 2006年24卷第4期页码：345-351
- Affiliations：
  
  Ocean Remote Sensing Institute Ocean University of China
- Author bio：
- Funds：
  
  Cosponsored by the NSFC (No. 40545018) and the National Basic Research Program of China (No. 2005CB422308).
- DOI：10.1007/BF02842848
  中图分类号：
- 网络首发：2013-01-31，
  
  纸质出版：2006
- Accepted：
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SST variations of the Kuroshio from AVHRR observation[J]. 海洋湖沼学报（英文）, 2006,24(4):345-351.

Caiyun, Z., Ge, C. SST variations of the Kuroshio from AVHRR observation., Chin. J. Ocean. Limnol. 24, 345–351 (2006). https://doi.org/10.1007/BF02842848
SST variations of the Kuroshio from AVHRR observation[J]. 海洋湖沼学报（英文）, 2006,24(4):345-351. DOI： 10.1007/BF02842848.

Caiyun, Z., Ge, C. SST variations of the Kuroshio from AVHRR observation., Chin. J. Ocean. Limnol. 24, 345–351 (2006). https://doi.org/10.1007/BF02842848 DOI：

摘要

Abstract

Using monthly gridded ocean pathfinder Sea Surface Temperature (SST) data with a spatial resolution of 4km from AVHRR

variations of SST over the Kuroshio region northeast of Taiwan Is. during the past two decades (1985–2003) are studied. Some interesting findings are as follows. (1) The climatological SST field shows an expected pattern with southwest-northeast orientated isotherms

and this pattern is mainly dominated by solar irradiance and regional circulation. However

the interannual variation of this pattern is very notable

in particular along Kuroshio path. The most dynamic region is located in the east coast of Taiwan

where cold upwelling is very energetic. (2) Seasonal variation of SST over this region is mainly controlled by see-saw variation of solar irradiance between two hemispheres

but the strong interannual fluctuation of SST is found to be locked to boreal winter (January

February

and last December)

and the energetic region is identified along Kuroshio path. This phenomenon seems to closely connect with El Niño’s phase locking characteristics. (3) SST anomalies over Kuroshio region have a positive correlation with El Niño-Southern Oscillation (ENSO)

which is dramatic due to the weak (strong) North Equatorial Current (NEC) during El Niño (La Niña) events

and the weak (strong) NEC is supposed to induce a same polarity of SST variation along the Kuroshio path. How the interannual variation and seasonal variation interact each other and what is the mechanism between ENSO and the thermal and thermodynamic processes over this region deserve our further analyses.

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references

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