Universidad Complutense de Madrid
E-Prints Complutense

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

Impacto

Downloads

Downloads per month over past year



García Herrera, Ricardo and Ribera, Pedro and Gimeno, Luis and 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

[img]
Preview
PDF
131kB

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


URLURL Type
http://www.ann-geophys.net/Publisher


Abstract

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.


Item Type:Article
Additional Information:

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

Uncontrolled Keywords:Hemisphere; Extension; Dynamics; Pressure
Subjects:Sciences > Physics > Astrophysics
Sciences > Physics > Astronomy
ID Code:34832
Deposited On:15 Dec 2015 13:54
Last Modified:10 Dec 2018 15:05

Origin of downloads

Repository Staff Only: item control page