The influence of low-frequency variability and long-term trends in north atlantic sea surface temperature on irish waters
Sea surface temperature (SST) time-series collected in Irish waters between 1850 and 2007 exhibit a warming trend averaging 0.3 degrees C. The strongest warming has occurred since 1994, with the warmest years in the record being 2005, 2006, and 2007. The warming trend is superimposed on significant...
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ftnuigalway:oai:https://researchrepository.universityofgalway.ie:10379/10677 2024-09-30T14:39:14+00:00 The influence of low-frequency variability and long-term trends in north atlantic sea surface temperature on irish waters Cannaby, H. Husrevoglu, Y. S. 2009-04-08 http://hdl.handle.net/10379/10677 https://doi.org/10.13025/27426 https://doi.org/10.1093/icesjms/fsp062 unknown Oxford University Press (OUP) ICES Journal of Marine Science Cannaby, H. Husrevoglu, Y. S. (2009). The influence of low-frequency variability and long-term trends in north atlantic sea surface temperature on irish waters. ICES Journal of Marine Science 66 (7), 1480-1489 1054-3139,1095-9289 http://hdl.handle.net/10379/10677 https://doi.org/10.13025/27426 doi:10.1093/icesjms/fsp062 Attribution-NonCommercial-NoDerivs 3.0 Ireland https://creativecommons.org/licenses/by-nc-nd/3.0/ie/ atlantic multidecadal oscillation east atlantic pattern global warming ireland north atlantic oscillation sea surface temperature in-situ climate oscillation circulation hemisphere winter ice air Article 2009 ftnuigalway https://doi.org/10.13025/2742610.1093/icesjms/fsp062 2024-09-17T14:44:29Z Sea surface temperature (SST) time-series collected in Irish waters between 1850 and 2007 exhibit a warming trend averaging 0.3 degrees C. The strongest warming has occurred since 1994, with the warmest years in the record being 2005, 2006, and 2007. The warming trend is superimposed on significant interannual to multidecadal-scale variability, linked to basin-scale oscillations of the ocean-atmosphere system. The dominant modes of low-frequency variability in North Atlantic SST records, investigated using an empirical orthogonal function (EOF) analysis, correspond to the Atlantic Multidecadal Oscillation (AMO), the East Atlantic Pattern (EAP), and the North Atlantic Oscillation (NAO) index, respectively, accounting for 23, 16, and 9% of the total variance in the dataset. Interannual variability in Irish SST records is dominated by the AMO, which, currently in its warm phase, explains approximately half of the current warm anomaly in the record. The EAP and the NAO influence variability in Irish SST time-series on a smaller scale, with the EAP also contributing to the current warm anomaly. After resolving the prevalent oscillatory modes of variability in the SST record, the underlying warming trend compares well with the global greenhouse effect warming trend. The anthropogenic contribution to the current warm anomaly in Irish SSTs was estimated at 0.41 degrees C for 2006, and this is predicted to increase annually. Article in Journal/Newspaper North Atlantic North Atlantic oscillation National University of Ireland (NUI), Galway: ARAN |
institution |
Open Polar |
collection |
National University of Ireland (NUI), Galway: ARAN |
op_collection_id |
ftnuigalway |
language |
unknown |
topic |
atlantic multidecadal oscillation east atlantic pattern global warming ireland north atlantic oscillation sea surface temperature in-situ climate oscillation circulation hemisphere winter ice air |
spellingShingle |
atlantic multidecadal oscillation east atlantic pattern global warming ireland north atlantic oscillation sea surface temperature in-situ climate oscillation circulation hemisphere winter ice air Cannaby, H. Husrevoglu, Y. S. The influence of low-frequency variability and long-term trends in north atlantic sea surface temperature on irish waters |
topic_facet |
atlantic multidecadal oscillation east atlantic pattern global warming ireland north atlantic oscillation sea surface temperature in-situ climate oscillation circulation hemisphere winter ice air |
description |
Sea surface temperature (SST) time-series collected in Irish waters between 1850 and 2007 exhibit a warming trend averaging 0.3 degrees C. The strongest warming has occurred since 1994, with the warmest years in the record being 2005, 2006, and 2007. The warming trend is superimposed on significant interannual to multidecadal-scale variability, linked to basin-scale oscillations of the ocean-atmosphere system. The dominant modes of low-frequency variability in North Atlantic SST records, investigated using an empirical orthogonal function (EOF) analysis, correspond to the Atlantic Multidecadal Oscillation (AMO), the East Atlantic Pattern (EAP), and the North Atlantic Oscillation (NAO) index, respectively, accounting for 23, 16, and 9% of the total variance in the dataset. Interannual variability in Irish SST records is dominated by the AMO, which, currently in its warm phase, explains approximately half of the current warm anomaly in the record. The EAP and the NAO influence variability in Irish SST time-series on a smaller scale, with the EAP also contributing to the current warm anomaly. After resolving the prevalent oscillatory modes of variability in the SST record, the underlying warming trend compares well with the global greenhouse effect warming trend. The anthropogenic contribution to the current warm anomaly in Irish SSTs was estimated at 0.41 degrees C for 2006, and this is predicted to increase annually. |
format |
Article in Journal/Newspaper |
author |
Cannaby, H. Husrevoglu, Y. S. |
author_facet |
Cannaby, H. Husrevoglu, Y. S. |
author_sort |
Cannaby, H. |
title |
The influence of low-frequency variability and long-term trends in north atlantic sea surface temperature on irish waters |
title_short |
The influence of low-frequency variability and long-term trends in north atlantic sea surface temperature on irish waters |
title_full |
The influence of low-frequency variability and long-term trends in north atlantic sea surface temperature on irish waters |
title_fullStr |
The influence of low-frequency variability and long-term trends in north atlantic sea surface temperature on irish waters |
title_full_unstemmed |
The influence of low-frequency variability and long-term trends in north atlantic sea surface temperature on irish waters |
title_sort |
influence of low-frequency variability and long-term trends in north atlantic sea surface temperature on irish waters |
publisher |
Oxford University Press (OUP) |
publishDate |
2009 |
url |
http://hdl.handle.net/10379/10677 https://doi.org/10.13025/27426 https://doi.org/10.1093/icesjms/fsp062 |
genre |
North Atlantic North Atlantic oscillation |
genre_facet |
North Atlantic North Atlantic oscillation |
op_relation |
ICES Journal of Marine Science Cannaby, H. Husrevoglu, Y. S. (2009). The influence of low-frequency variability and long-term trends in north atlantic sea surface temperature on irish waters. ICES Journal of Marine Science 66 (7), 1480-1489 1054-3139,1095-9289 http://hdl.handle.net/10379/10677 https://doi.org/10.13025/27426 doi:10.1093/icesjms/fsp062 |
op_rights |
Attribution-NonCommercial-NoDerivs 3.0 Ireland https://creativecommons.org/licenses/by-nc-nd/3.0/ie/ |
op_doi |
https://doi.org/10.13025/2742610.1093/icesjms/fsp062 |
_version_ |
1811641774395883520 |