Distinct impacts of major El Niño events on Arctic temperatures due to differences in eastern tropical Pacific sea surface temperatures
The El Niño Southern Oscillation (ENSO) is a climate mode in the tropical Pacific. The ENSO teleconnections are known to affect Arctic temperature, however, the robustness of this relationship remains debated. Here, we find that Arctic surface temperatures during three major El Niño events are remar...
Main Authors: | , , , |
---|---|
Format: | Other/Unknown Material |
Language: | unknown |
Published: |
Zenodo
2021
|
Subjects: | |
Online Access: | https://doi.org/10.5061/dryad.kprr4xh5r |
id |
ftzenodo:oai:zenodo.org:5758141 |
---|---|
record_format |
openpolar |
spelling |
ftzenodo:oai:zenodo.org:5758141 2024-09-15T17:52:51+00:00 Distinct impacts of major El Niño events on Arctic temperatures due to differences in eastern tropical Pacific sea surface temperatures Jeong, Hyein Park, Hyo-Seok Stuecker, Malte Yeh, Sang-Wook 2021-12-03 https://doi.org/10.5061/dryad.kprr4xh5r unknown Zenodo https://zenodo.org/communities/dryad https://doi.org/10.5061/dryad.kprr4xh5r oai:zenodo.org:5758141 info:eu-repo/semantics/openAccess Creative Commons Zero v1.0 Universal https://creativecommons.org/publicdomain/zero/1.0/legalcode info:eu-repo/semantics/other 2021 ftzenodo https://doi.org/10.5061/dryad.kprr4xh5r 2024-07-27T03:55:20Z The El Niño Southern Oscillation (ENSO) is a climate mode in the tropical Pacific. The ENSO teleconnections are known to affect Arctic temperature, however, the robustness of this relationship remains debated. Here, we find that Arctic surface temperatures during three major El Niño events are remarkably well simulated by a state-of-the-art model when nudged to the observed pan-tropical sea surface temperatures (SSTs). SST perturbation experiments show that the 1982-83 warm pan-Arctic and the 1997-98 cold pan-Arctic during winter can be explained by far eastern equatorial Pacific SSTs being higher during 1997-98 than during 1982-83. Consistently, during the 2017-18 La Niña, the unusually low SSTs in the same region contributed to the pan-Arctic warming. These pan-Arctic responses to the SSTs are realized through latent heating anomalies over the western and eastern tropical Pacific. These results highlight the importance of accurately representing SST amplitude and pattern for Arctic climate predictions. Other/Unknown Material Arctic Zenodo |
institution |
Open Polar |
collection |
Zenodo |
op_collection_id |
ftzenodo |
language |
unknown |
description |
The El Niño Southern Oscillation (ENSO) is a climate mode in the tropical Pacific. The ENSO teleconnections are known to affect Arctic temperature, however, the robustness of this relationship remains debated. Here, we find that Arctic surface temperatures during three major El Niño events are remarkably well simulated by a state-of-the-art model when nudged to the observed pan-tropical sea surface temperatures (SSTs). SST perturbation experiments show that the 1982-83 warm pan-Arctic and the 1997-98 cold pan-Arctic during winter can be explained by far eastern equatorial Pacific SSTs being higher during 1997-98 than during 1982-83. Consistently, during the 2017-18 La Niña, the unusually low SSTs in the same region contributed to the pan-Arctic warming. These pan-Arctic responses to the SSTs are realized through latent heating anomalies over the western and eastern tropical Pacific. These results highlight the importance of accurately representing SST amplitude and pattern for Arctic climate predictions. |
format |
Other/Unknown Material |
author |
Jeong, Hyein Park, Hyo-Seok Stuecker, Malte Yeh, Sang-Wook |
spellingShingle |
Jeong, Hyein Park, Hyo-Seok Stuecker, Malte Yeh, Sang-Wook Distinct impacts of major El Niño events on Arctic temperatures due to differences in eastern tropical Pacific sea surface temperatures |
author_facet |
Jeong, Hyein Park, Hyo-Seok Stuecker, Malte Yeh, Sang-Wook |
author_sort |
Jeong, Hyein |
title |
Distinct impacts of major El Niño events on Arctic temperatures due to differences in eastern tropical Pacific sea surface temperatures |
title_short |
Distinct impacts of major El Niño events on Arctic temperatures due to differences in eastern tropical Pacific sea surface temperatures |
title_full |
Distinct impacts of major El Niño events on Arctic temperatures due to differences in eastern tropical Pacific sea surface temperatures |
title_fullStr |
Distinct impacts of major El Niño events on Arctic temperatures due to differences in eastern tropical Pacific sea surface temperatures |
title_full_unstemmed |
Distinct impacts of major El Niño events on Arctic temperatures due to differences in eastern tropical Pacific sea surface temperatures |
title_sort |
distinct impacts of major el niño events on arctic temperatures due to differences in eastern tropical pacific sea surface temperatures |
publisher |
Zenodo |
publishDate |
2021 |
url |
https://doi.org/10.5061/dryad.kprr4xh5r |
genre |
Arctic |
genre_facet |
Arctic |
op_relation |
https://zenodo.org/communities/dryad https://doi.org/10.5061/dryad.kprr4xh5r oai:zenodo.org:5758141 |
op_rights |
info:eu-repo/semantics/openAccess Creative Commons Zero v1.0 Universal https://creativecommons.org/publicdomain/zero/1.0/legalcode |
op_doi |
https://doi.org/10.5061/dryad.kprr4xh5r |
_version_ |
1810294875976892416 |