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Modes of climate variability and their relationships with interhemispheric temperature asymmetry: a Granger causality analysis
Theoretical and Applied Climatology ( IF 3.4 ) Pub Date : 2020-11-25 , DOI: 10.1007/s00704-020-03468-x
Umberto Triacca

The aim of this paper is to investigate the relationships among Interhemispheric Temperature Asymmetry (ITA) and the principal modes of natural variability: the Atlantic Multidecadal Oscillation (AMO), the Southern Oscillation Index (SOI), and the Pacific Decadal Oscillation (PDO). In particular, Granger causality tests are used to capture the linkages among these variables. Our analysis provides strong evidence that AMO causes ITA, the causal role of PDO is weak, and SOI seems to have no causal influence.



中文翻译:

气候变异模式及其与半球温度不对称性的关系:格兰杰因果关系分析

本文的目的是研究半球际温度不对称(ITA)与自然变化的主要模式之间的关系:大西洋多年代际涛动(AMO),南方涛动指数(SOI)和太平洋年代际涛动(PDO)。特别地,格兰杰因果关系检验用于捕获这些变量之间的联系。我们的分析提供了有力的证据,表明AMO会导致ITA,PDO的因果作用很弱,而SOI似乎没有因果关系。

更新日期:2020-11-25
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