Changes in the zonal propagation of El Niño-related SST anomalies: a possible link to the PDO

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...

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Autores principales: Antico, P.L., Barros, V.R.
Formato: JOUR
Materias:
climate change
decadal variation
El Nino
Pacific Decadal Oscillation
sea surface temperature
temperature anomaly
Pacific Ocean
Pacific Ocean (Equatorial)
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_0177798X_v129_n1-2_p171_Antico
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
id todo:paper_0177798X_v129_n1-2_p171_Antico
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spelling todo:paper_0177798X_v129_n1-2_p171_Antico2023-10-03T15:08:10Z Changes in the zonal propagation of El Niño-related SST anomalies: a possible link to the PDO Antico, P.L. Barros, V.R. climate change decadal variation El Nino Pacific Decadal Oscillation sea surface temperature temperature anomaly Pacific Ocean Pacific Ocean (Equatorial) 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. Fil:Antico, P.L. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Barros, V.R. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_0177798X_v129_n1-2_p171_Antico
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic climate change
decadal variation
El Nino
Pacific Decadal Oscillation
sea surface temperature
temperature anomaly
Pacific Ocean
Pacific Ocean (Equatorial)
spellingShingle climate change
decadal variation
El Nino
Pacific Decadal Oscillation
sea surface temperature
temperature anomaly
Pacific Ocean
Pacific Ocean (Equatorial)
Antico, P.L.
Barros, V.R.
Changes in the zonal propagation of El Niño-related SST anomalies: a possible link to the PDO
topic_facet climate change
decadal variation
El Nino
Pacific Decadal Oscillation
sea surface temperature
temperature anomaly
Pacific Ocean
Pacific Ocean (Equatorial)
description 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.
format JOUR
author Antico, P.L.
Barros, V.R.
author_facet Antico, P.L.
Barros, V.R.
author_sort Antico, P.L.
title Changes in the zonal propagation of El Niño-related SST anomalies: a possible link to the PDO
title_short Changes in the zonal propagation of El Niño-related SST anomalies: a possible link to the PDO
title_full Changes in the zonal propagation of El Niño-related SST anomalies: a possible link to the PDO
title_fullStr Changes in the zonal propagation of El Niño-related SST anomalies: a possible link to the PDO
title_full_unstemmed Changes in the zonal propagation of El Niño-related SST anomalies: a possible link to the PDO
title_sort changes in the zonal propagation of el niño-related sst anomalies: a possible link to the pdo
url http://hdl.handle.net/20.500.12110/paper_0177798X_v129_n1-2_p171_Antico
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AT barrosvr changesinthezonalpropagationofelninorelatedsstanomaliesapossiblelinktothepdo
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