Interdecadal Variations in the Relationship between the Winter North Atlantic Oscillation and Temperature in South-Central China
Interdecadal Variations in the Relationship between the Winter North Atlantic Oscillation and Temperature in South-Central China
复制标题
冬季北大西洋涛动与中国中南部气温关系的年代际变化
DOI：
10.1175/jcli-d-15-0873.1
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发表时间：
2016-10
影响因子：
4.9
通讯作者：
Wang Lei
中科院分区：
文献类型：
--
作者：
Zuo Jinqing;Ren Hong-Li;Li Weijing;Wang Lei
摘要利用观测资料和再分析资料，研究了冬季北大西洋涛动（NAO）与中国地面气温关系的年代际变化。重点是中国中南部，那里的温度变化与NAO密切相关。结果表明，1951-2015年冬至的年代际变化明显。相对弱的同相关系出现在20世纪70年代早期之前（P1），但在20世纪的最后20年（P2）中，显著的非同相关系占主导地位，尽管从20世纪90年代后期开始明显减弱。观测证据表明，这种年代际变化主要与NAO空间格局和振幅的变化有关。在20世纪下半叶，NAO的北部中心向东移动。此外，中心振幅从P1增强到P2，导致大气环流响应p受到扰动。
AbstractInterdecadal variations in the relationship between the winter North Atlantic Oscillation (NAO) and surface air temperature in China are investigated using observational and reanalysis data. Focus is on south-central China, in which temperature variability is strongly related to the NAO. It is revealed that the relationship shows clear interdecadal variations in midwinter during 1951–2015. A relatively weak in-phase relationship occurs before the early 1970s (P1), but a significant out-of-phase relationship dominates in the last two decades of the twentieth century (P2), though it is clearly weaker from the late 1990s onward. Observational evidence shows that such interdecadal variations are related mainly to variations in the spatial pattern and amplitude of the NAO. The northern center of the NAO shifted eastward over the second half of the twentieth century. In addition, the amplitude of the center strengthened from P1 to P2, resulting in a perturbation in the atmospheric circulation response p...
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影响因子：
5.2
作者：
K. Peterson;Jian Lu;R. Greatbatch
通讯作者：
K. Peterson;Jian Lu;R. Greatbatch
影响因子：
4.9
作者：
N. Johnson;S. Feldstein;B. Tremblay
通讯作者：
N. Johnson;S. Feldstein;B. Tremblay
影响因子：
5.2
作者：
Jian Lu;R. Greatbatch
通讯作者：
Jian Lu;R. Greatbatch
影响因子：
4.6
作者：
Wenjun Zhang;Lei Wang;B. Xiang;L. Qi;Jinhai He
通讯作者：
Wenjun Zhang;Lei Wang;B. Xiang;L. Qi;Jinhai He
影响因子：
3.2
作者：
E. Kalnay;A. Dalcher
通讯作者：
E. Kalnay;A. Dalcher