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Artículo

The quasi-decadal modulation of running correlations involving the QBO

Elias, Ana GeorginaIcon ; Zossi Artigas, Marta MariaIcon
Fecha de publicación: 12/2006
Editorial: Elsevier
Revista: Journal of Atmospheric and Solar-Terrestrial Physics
ISSN: 1364-6826
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Meteorología y Ciencias Atmosféricas

Resumen

Running correlations between "ideal" periodic sine series, u(t) and y(t) ,are analyzed in the present work, which, in this case, results in a kind of beating of the two waves. u(t) is considered as a quasi-biennial periodic function standing for an idealized quasi-biennial oscillation (QBO). The beat frequency in the running correlation coefficient series will correspond to a decadal oscillation if periodicities in y(t) are around 0.6-0.8 years greater or 0.4-0.5 years smaller than u(t) period. The periodicities required by y(t) to generate a decadal variation in the running correlation with u(t), may appear in series associated to the 11-year solar activity cycle due to its asymmetry: solar activity rises to maximum levels faster than it falls to minimum levels. Therefore, running correlations between the stratosphere QBO and time series with a biennial or triennial oscillation, associated or not to the solar cycle, could present a decadal oscillation due merely to the statistics involved. Taking into account the idealization of the series considered, without any relationship or interaction between them, neither a decadal modulation in u(t), we obtain a quasi-decadal oscillation in running correlations, as that obtained when certain empirical data series are correlated with the QBO in the stratosphere.
Palabras clave: Qbo , Solar Activity , Stratosphere , Running Correlation
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info:eu-repo/semantics/openAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/84434
DOI: https://dx.doi.org/10.1016/j.jastp.2006.08.003
URL: https://www.sciencedirect.com/science/article/pii/S1364682606001957?via%3Dihub#!
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Articulos(CCT - NOA SUR)
Articulos de CTRO.CIENTIFICO TECNOL.CONICET - NOA SUR
Citación
Elias, Ana Georgina; Zossi Artigas, Marta Maria; The quasi-decadal modulation of running correlations involving the QBO; Elsevier; Journal of Atmospheric and Solar-Terrestrial Physics; 68; 17; 12-2006; 1980-1986
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