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Is the interdecadal circumglobal teleconnection pattern excited by the Atlantic multidecadal Oscillation? 被引量:3
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作者 LIN Jian-She WU Bo ZHOU Tian-Jun 《Atmospheric and Oceanic Science Letters》 CSCD 2016年第6期451-457,共7页
The interdecadal circumglobal teleconnection (ID-CGT) pattern is the dominant circulation mode over the NH during boreal summer on the interdecadal time scale. Its temporal evolution is synchronous with that of the ... The interdecadal circumglobal teleconnection (ID-CGT) pattern is the dominant circulation mode over the NH during boreal summer on the interdecadal time scale. Its temporal evolution is synchronous with that of the Atlantic Multidecadal Oscillation (AMO). In this study, through analyzing the results of sensitivity experiments using five AGCMs driven by specified AMO-related SST anomalies (SSTAs) in the North Atlantic, the authors investigate whether the ID-CGT is excited by the AMO. Two out of the five models simulate the barotropic stationary wave pattern located along the westerly jet, suggesting that the ID-CGT pattern should be excited, at least partially, by the AMO- related SSTAs. Model results suggest that the ID-CGT pattern plays a role in linking the AMO and NH summer land SAT perturbations on the interdecadal time scale. 展开更多
关键词 Interdecadal circumglobalteleconnection AtlanticMultidecadal Oscillation AGCMs
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