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Advances in Meteorology
Volume 2016, Article ID 3820720, 9 pages
Research Article

Spatial and Temporal Variability of Sea Surface Temperature in Eastern Marginal Seas of China

Renhao Wu,1,2,3 Jianmin Lin,3 and Bo Li3

1School of Marine & Atmospheric Science, Ocean University of China, Qingdao 266100, China
2State Key Laboratory of Satellite Ocean Environment Dynamics, Second Institute of Oceanography, State Oceanic Administration, Zhejiang 310012, China
3Marine Science and Technology College, Zhejiang Ocean University, Zhejiang 316022, China

Received 25 November 2015; Revised 9 January 2016; Accepted 22 May 2016

Academic Editor: Jorge E. Gonzalez

Copyright © 2016 Renhao Wu et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Spatial mean value evolution, long-term mean pattern, and seasonal as well as interannual variability of sea surface temperature (SST) in Eastern Marginal Seas of China (EMSC) are reanalyzed based on thirty years’ NOAA optimum interpolation (OI) 1/4 degrees’ daily SST data. Temporal evolution of the spatial mean value shows a very marked annual cycle and a weak warming tendency (0.03437°C/year). Spatial distribution of the long-term mean value shows some more fine spatial structure of SST compared to previous studies. Over 90% of the temporal variability can be explained by the annual harmonic whose amplitude is one order larger than that of the semiannual harmonic. In addition, the annual harmonic amplitude distribution is consistent with that of the value of standard deviation. In order to investigate the interannual variation of SST, the EMSC SST interannual index was constructed. Based on wavelet analysis, a significant peak around 3.3 years was found in the EMSC SST interannual index. Further analysis demonstrated that the interannual variability of SST is linked with El Niño-Southern Oscillation (ENSO) teleconnection, through which anomalous surface heat flux warms or cools the EMSC during El Niño or La Niña events.