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大气科学  2003 

北极涛动和南极涛动的年变化特征

DOI: 10.3878/j.issn.1006-9895.2003.03.11

Keywords: 北极涛动,南极涛动,年变化

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Abstract:

北极涛动(ArcticOscillation,简称AO)和南极涛动(AntarcticOscillation,简称AAO)分别用于描述北半球和南半球热带外气候变率的主要模态,它们分别是北半球和南半球中纬度和高纬度之间气压变化的跷跷板结构.作者利用1958年1月~1999年12月的NCEP/NCAR全球再分析月平均资料、北极涛动指数IAO和南极涛动指数IAAO来研究AO和AAO的年变化特征以及AO和AAO与纬向平均的月平均各要素场的相关系数随纬度和月份的变化规律.

References

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[6]  Wallace J. M., North Atlantic Oscillation/Annular mode: tow paradigms-one phenomenon, Quart. J. Roy. Meteor. Soc., 2000, 126(564), 791~805.

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