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首页> 外文期刊>Acta Oceanologica Sinica >Interannual variability of mixed layer depth and heat storage of upper layer in the tropical Pacific Ocean
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Interannual variability of mixed layer depth and heat storage of upper layer in the tropical Pacific Ocean

机译：热带太平洋混合层深度和上层储热量的年际变化

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摘要

By using the upper layer data (downloaded from the web of the Scripps Institution of Oceanography), the inter-annual 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 O-cean, 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 small that 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 e-quator. 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.
机译：通过使用上层数据（从斯克里普斯海洋学研究所的网站下载），可以得出热带太平洋上层热量存储的年际变化（从表面到400 m深度）和混合层深度调查。暖事件的异常信号来自太平洋中部和西部太平洋，而从普遍的观点来看，暖事件的异常信号来自东太平洋。从混合层深度的年际变化的演变和整个上层的储热量的观点来看，两种厄尔尼诺现象之间的差异很小，可以忽略不计。在这两次厄尔尼诺/拉尼娜事件（1972/1973和1997/1998）期间，除了储热或混合层深度外，异常信号通常从中太平洋和西太平洋传播到东部沿赤道的路径，而异常信号则通过北至电子赤道的路径从东向西传播。对于年际变化，混合层深度的变化与上层储热的变化非常吻合。这与季节性变化完全不同。

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