Tropical Pacific link to the two dominant patterns of atmospheric variability

被引：35

作者：

Lin, H ^{[1
]}

Derome, J

Brunet, G

机构：

[1] Meteorol Serv Canada, Rech Previs Numer, Dorval, PQ H9P 1J3, Canada

[2] McGill Univ, Dept Atmospher & Ocean Sci, Montreal, PQ H3A 2K6, Canada

来源：

GEOPHYSICAL RESEARCH LETTERS | 2005年 / 32卷 / 03期

关键词：

D O I：

10.1029/2004GL021495

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

Using the NCEP/NCAR global reanalysis data for 51 boreal winters, a convective index (CI) for the tropical Pacific is constructed. It is found that the extreme positive and negative events of the CI are connected to the positive phases of the two dominant modes of the extratropical atmospheric variability, i.e., the PNA and the NAO, respectively. The same analysis is applied to the output of a 201-year integration of a global air-sea coupled general circulation model. Results consistent with the observations are obtained.

引用

页码：1 / 4

页数：4

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