Distinctive ocean interior changes during the recent warming slowdown.
Distinctive ocean interior changes during the recent warming slowdown.
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DOI：
10.1038/srep14346
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发表时间：
2015-09-23
影响因子：
4.6
通讯作者：
Zhu J
中科院分区：
文献类型：
--
作者：
Cheng L;Zheng F;Zhu J
地球系统经历了持续的热量输入，但在本世纪已观察到上层海洋沃茨的“气候间断”。这就引出了一个问题：多余的热量去了哪里？利用4个现场观测数据集，我们探讨了海洋次表层温度的变化，从2004年到2013年。所有的观测结果都表明，海洋在本世纪继续获得热量，这表明人为的全球变暖。然而，观察到内部海洋的独特变化模式。在本世纪，海表（1-100 m）温度下降，同时伴随着101-300 m层的增暖。根据观测和CMIP 5模式的模拟，这一模式是由于厄尔尼诺和拉尼娜事件（厄尔尼诺/南方涛动特征）频率的变化。此外，我们首次表明，海洋地下301-700米经历了净冷却，表明在自然海洋的变化的另一个实例。此外，701-1500米的海洋层经历了显著的变暖。
The earth system experiences continuous heat input, but a “climate hiatus” of upper ocean waters has been observed in this century. This leads to a question: where is the extra heat going? Using four in situ observation datasets, we explore the ocean subsurface temperature changes from 2004 to 2013. The observations all show that the ocean has continued to gain heat in this century, which is indicative of anthropogenic global warming. However, a distinctive pattern of change in the interior ocean is observed. The sea surface (1–100 m) temperature has decreased in this century, accompanied by warming in the 101–300 m layer. This pattern is due to the changes in the frequency of El Niño and La Niña events (ENSO characteristics), according to both observations and CMIP5 model simulations. In addition, we show for the first time that the ocean subsurface within 301–700 m experienced a net cooling, indicative of another instance of variability in the natural ocean. Furthermore, the ocean layer of 701–1500 m has experienced significant warming.