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Long-term variability of El Niño (EN) cycle has been the topic of several studies, mainly because of its impacts on climate around the globe. This variability has been mainly described by changes in the intensity and frequency of EN events. In this study, interdecadal changes in the zonal evolution of EN-related sea surface temperature anomalies (SSTA) and their possible link with a well-known mode of Pacific interdecadal variability are analyzed. EN events are classified according to the sense of zonal propagation of SSTA along the equatorial Pacific during the period 1900–2012. As a result, two types of EN are defined: eastward-directed and westward-directed EN. It is found that EN-related SSTA preferably evolves to the east (west) during the warm (cold) phase of the Pacific Decadal Oscillation. Hence, this study offers new insights into the possible causes of long-term EN changes. © 2016, Springer-Verlag Wien.


Documento: Artículo
Título:Changes in the zonal propagation of El Niño-related SST anomalies: a possible link to the PDO
Autor:Antico, P.L.; Barros, V.R.
Filiación:Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina
Departamento de Ciencias de la Atmósfera y los Océanos, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, Intendente Güiraldes 2160, Buenos Aires, Argentina
Facultad de Ciencias Astronómicas y Geofísicas, Universidad Nacional de La Plata, Paseo del Bosque s/n, La Plata, Argentina
Centro de Investigaciones del Mar y de la Atmósfera, Intendente Güiraldes 2160, Ciudad Universitaria, Buenos Aires, Argentina
Página de inicio:171
Página de fin:176


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---------- APA ----------
Antico, P.L. & Barros, V.R. (2017) . Changes in the zonal propagation of El Niño-related SST anomalies: a possible link to the PDO, 129(1-2), 171-176.
---------- CHICAGO ----------
Antico, P.L., Barros, V.R. "Changes in the zonal propagation of El Niño-related SST anomalies: a possible link to the PDO" 129, no. 1-2 (2017) : 171-176.
---------- MLA ----------
Antico, P.L., Barros, V.R. "Changes in the zonal propagation of El Niño-related SST anomalies: a possible link to the PDO" , vol. 129, no. 1-2, 2017, pp. 171-176.
---------- VANCOUVER ----------
Antico, P.L., Barros, V.R. Changes in the zonal propagation of El Niño-related SST anomalies: a possible link to the PDO. 2017;129(1-2):171-176.