The influence of ENSO on sea surface temperature variations in the China seas

LIU Na; WANG Hui; LING Tiejun; FENG Licheng

doi:10.1007/s13131-013-0348-7

The influence of ENSO on sea surface temperature variations in the China seas

doi: 10.1007/s13131-013-0348-7

1.
Key Laboratory of Research on Marine Hazards Forecasting, National Marine Environmental Forecasting Center, State Oceanic Administration, Beijing 100081, China
2.
National Marine Environmental Forecasting Center, State Oceanic Administration, Beijing 100081, China

基金项目: The National Natural Science Foundation of China under contact No. 41106023;the State Oceanic Administration Marine Science Foundation for Youth of China under contact No. 2012204;the Open Research Program of the Key Laboratory of Ocean Circulation and Wave, Institute of Oceanology, Chinese Academy of Sciences, under contact No. KLOCAW1102.

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- 收稿日期: 2012-04-27
- 修回日期: 2012-11-13

The influence of ENSO on sea surface temperature variations in the China seas

1.
Key Laboratory of Research on Marine Hazards Forecasting, National Marine Environmental Forecasting Center, State Oceanic Administration, Beijing 100081, China
2.
National Marine Environmental Forecasting Center, State Oceanic Administration, Beijing 100081, China

摘要

摘要: Positive SST anomalies usually appear in remote ocean such as the China seas during an ENSO event. By analyzing the monthly data of HadISST from 1950 to 2007, it shows that the interannual component of SST anomalies peak approximately 10 months after SST anomalies peak in the eastern equatorial Pacific. As the ENSO event progresses, the positive SST anomalies spread throughout the China seas and eastward along the Kuroshio extension. Atmospheric reanalysis data demonstrate that changes in the net surface heat flux entering into the China seas are responsible for the SST variability. During El Niño, the western north Pacific anticyclone is generated, with anomalous southwester lies prevailing along the East Asian coast. This anticyclone reduces themean surface wind speed which decreases the surface heat flux and then increases the SST. The delays between the developing of this anticyclone and the south Indian Ocean anticyclone with approximately 3-6months cause the 2-3 months lag of the surface heat flux between the China seas and the Indian Ocean. The north western Pacific anticyclone is the key process bridging the warming in the eastern equatorial Pacific and that in the China seas.
- seasurfacetemperature /
- Chinaseas /
- ENSO /
- anticyclone
Abstract: Positive SST anomalies usually appear in remote ocean such as the China seas during an ENSO event. By analyzing the monthly data of HadISST from 1950 to 2007, it shows that the interannual component of SST anomalies peak approximately 10 months after SST anomalies peak in the eastern equatorial Pacific. As the ENSO event progresses, the positive SST anomalies spread throughout the China seas and eastward along the Kuroshio extension. Atmospheric reanalysis data demonstrate that changes in the net surface heat flux entering into the China seas are responsible for the SST variability. During El Niño, the western north Pacific anticyclone is generated, with anomalous southwester lies prevailing along the East Asian coast. This anticyclone reduces themean surface wind speed which decreases the surface heat flux and then increases the SST. The delays between the developing of this anticyclone and the south Indian Ocean anticyclone with approximately 3-6months cause the 2-3 months lag of the surface heat flux between the China seas and the Indian Ocean. The north western Pacific anticyclone is the key process bridging the warming in the eastern equatorial Pacific and that in the China seas.
- sea surface temperature /
- China seas /
- ENSO /
- anticyclone

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参考文献(37)

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The influence of ENSO on sea surface temperature variations in the China seas

doi: 10.1007/s13131-013-0348-7

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出版历程

The influence of ENSO on sea surface temperature variations in the China seas

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出版历程

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