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Are the North Atlantic Oscillation and the Southern Oscillation related in any time-scale?

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García Herrera, Ricardo y Ribera, Pedro y Gimeno, Luis y Hernández Martín, Emiliano (2000) Are the North Atlantic Oscillation and the Southern Oscillation related in any time-scale? Annales geophysicae-atmospheres hydrospheres and space sciences, 18 (2). pp. 247-251. ISSN 0992-7689

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URL Oficial: http://www.ann-geophys.net/18/247/2000/angeo-18-247-2000.pdf


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http://www.ann-geophys.net/Editorial


Resumen

The North Atlantic Oscillation (NAO) and the Southern Oscillation (SO) are compared from the standpoint of a possible common temporal scale of oscillation. To do this a cross-spectrum of the temporal series of NAO and SO indices was determined, finding a significant common oscillation of 6-8 years. To assure this finding, both series were decomposed in their main oscillations using singular spectrum analysis (SSA). Resulting reconstructed series of 6-8 years' oscillation were then cross-correlated without and with pre-whitened, the latter being significant. The main conclusion is a possible relationship between a common oscillation of 6-8 years that represents about 20% of the SO variance and about 25% of the NAO variance.


Tipo de documento:Artículo
Información Adicional:

© EGS - Springer-Verlag 2000. Topical Editor F. Vial thanks F. Lott for his help in evaluating this paper.

Palabras clave:Hemisphere; Extension; Dynamics; Pressure
Materias:Ciencias > Física > Astrofísica
Ciencias > Física > Astronomía
Código ID:34832
Depositado:15 Dic 2015 13:54
Última Modificación:10 Dic 2018 15:05

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