| LIN Yihua,YOU Xiaobao,GUAN Yuping. 2004. Interannual variability of mixed layer depth and heat storage of upper layer in the tropical Pacific Ocean. Acta Oceanologica Sinica, (1):31－40 |
| Interannual variability of mixed layer depth and heat storage of upper layer in the tropical Pacific Ocean |
| Interannual variability of mixed layer depth and heat storage of upper layer in the tropical Pacific Ocean |
| Received:September 28, 2003 Revised:January 05, 2004 |
| DOI： |
| Key words:interannual variability heat storage mixed layer depth tropical Pacific Ocean |
| 中文关键词: interannual variability heat storage mixed layer depth tropical Pacific Ocean |
| 基金项目: |
| Author Name | Affiliation | E-mail | | LIN Yihua | LASG, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, China | linyh@lasg.iap.ac.cn | | YOU Xiaobao | LASG, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, China | | | GUAN Yuping | South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China | |
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| Abstract: |
| By using the upper layer data (downloaded trom the web of the Scripps Institution of Oceanography),the interannual variability of the heat storage of upper layer(from surface to 400 m depth) and the mixed layer depth in the tropical Pacific Ocean are investigated. The abnormal signal of the warm event comes from the central and west Pacific Ocean, whereas it is regarded that the abnormal signal of the warm event comes from the east Pacific Ocean in the popular viewpoint. From the viewpoint on the evolution of the interannual variability of the mixed layer depth and the heat storage of the whole upper layer, the difference between the two types of El Nino is so smallthat it can be neglected. During these two El Nino/La Nina events(1972/1973 and 1997/1998), other than the case of the heat storage or for the mixed layer depth, the abnormal signal propagates from the central and west Pacific Ocean to the east usually by the path along the equator whereas the abnormal signal propagates from the east to the west by the path northern to the equator. For the interannual variability, the evolution of the mixed layer depth corresponds to that of the heat storage in the upper layer very well. This is quite different from the evolution of seasonality. |
| 中文摘要: |
| By using the upper layer data (downloaded trom the web of the Scripps Institution of Oceanography),the interannual variability of the heat storage of upper layer(from surface to 400 m depth) and the mixed layer depth in the tropical Pacific Ocean are investigated. The abnormal signal of the warm event comes from the central and west Pacific Ocean, whereas it is regarded that the abnormal signal of the warm event comes from the east Pacific Ocean in the popular viewpoint. From the viewpoint on the evolution of the interannual variability of the mixed layer depth and the heat storage of the whole upper layer, the difference between the two types of El Nino is so smallthat it can be neglected. During these two El Nino/La Nina events(1972/1973 and 1997/1998), other than the case of the heat storage or for the mixed layer depth, the abnormal signal propagates from the central and west Pacific Ocean to the east usually by the path along the equator whereas the abnormal signal propagates from the east to the west by the path northern to the equator. For the interannual variability, the evolution of the mixed layer depth corresponds to that of the heat storage in the upper layer very well. This is quite different from the evolution of seasonality. |
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