The effects of different sudden stratospheric warming type on the ocean: Ocean impacts of SSWs
There is a confirmed link between sudden stratospheric warmings (SSWs) and surface weather. Here we find significant differences in the strength of surface and ocean responses for splitting and displacement SSWs, classified using a new straightforward moment analysis technique. In an intermediate ge...
Published in: | Geophysical Research Letters |
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Online Access: | https://ueaeprints.uea.ac.uk/id/eprint/51276/ https://ueaeprints.uea.ac.uk/id/eprint/51276/1/ocallaghan_etal_2014_stratocean.pdf https://ueaeprints.uea.ac.uk/id/eprint/51276/2/ssw_impacts_ocean_ocallaghan_et_al_2014.pdf https://doi.org/10.1002/2014GL062179 |
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ftuniveastangl:oai:ueaeprints.uea.ac.uk:51276 2023-06-06T11:57:11+02:00 The effects of different sudden stratospheric warming type on the ocean: Ocean impacts of SSWs O'Callaghan, Amee Joshi, Manoj Stevens, David Mitchell, Daniel 2014-11-16 application/pdf https://ueaeprints.uea.ac.uk/id/eprint/51276/ https://ueaeprints.uea.ac.uk/id/eprint/51276/1/ocallaghan_etal_2014_stratocean.pdf https://ueaeprints.uea.ac.uk/id/eprint/51276/2/ssw_impacts_ocean_ocallaghan_et_al_2014.pdf https://doi.org/10.1002/2014GL062179 en eng https://ueaeprints.uea.ac.uk/id/eprint/51276/1/ocallaghan_etal_2014_stratocean.pdf https://ueaeprints.uea.ac.uk/id/eprint/51276/2/ssw_impacts_ocean_ocallaghan_et_al_2014.pdf O'Callaghan, Amee, Joshi, Manoj, Stevens, David and Mitchell, Daniel (2014) The effects of different sudden stratospheric warming type on the ocean: Ocean impacts of SSWs. Geophysical Research Letters, 41 (21). 7739–7745. ISSN 0094-8276 doi:10.1002/2014GL062179 Article PeerReviewed 2014 ftuniveastangl https://doi.org/10.1002/2014GL062179 2023-04-13T22:31:48Z There is a confirmed link between sudden stratospheric warmings (SSWs) and surface weather. Here we find significant differences in the strength of surface and ocean responses for splitting and displacement SSWs, classified using a new straightforward moment analysis technique. In an intermediate general circulation model splitting SSWs possess an enhanced ability to affect the surface climate demonstrating the need to treat the two types individually. Following SSWs the North Atlantic surface wind stress curl weakens, compared to its climatological winter state, for over 30 days: this is also evident in NCEP/NCAR reanalysis. The effect of anomalies associated with SSWs on the ocean is analysed in the Intermediate General Circulation Model 4. The splitting SSW composite displays strong anomalies in the implied Ekman heat flux and net atmosphere-surface flux, modifying the mixed layer heat budget. Our results highlight that different SSW types need to be simulated in coupled stratospheric/tropospheric/ocean models. Article in Journal/Newspaper North Atlantic University of East Anglia: UEA Digital Repository Curl ENVELOPE(-63.071,-63.071,-70.797,-70.797) Geophysical Research Letters 41 21 7739 7745 |
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Open Polar |
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University of East Anglia: UEA Digital Repository |
op_collection_id |
ftuniveastangl |
language |
English |
description |
There is a confirmed link between sudden stratospheric warmings (SSWs) and surface weather. Here we find significant differences in the strength of surface and ocean responses for splitting and displacement SSWs, classified using a new straightforward moment analysis technique. In an intermediate general circulation model splitting SSWs possess an enhanced ability to affect the surface climate demonstrating the need to treat the two types individually. Following SSWs the North Atlantic surface wind stress curl weakens, compared to its climatological winter state, for over 30 days: this is also evident in NCEP/NCAR reanalysis. The effect of anomalies associated with SSWs on the ocean is analysed in the Intermediate General Circulation Model 4. The splitting SSW composite displays strong anomalies in the implied Ekman heat flux and net atmosphere-surface flux, modifying the mixed layer heat budget. Our results highlight that different SSW types need to be simulated in coupled stratospheric/tropospheric/ocean models. |
format |
Article in Journal/Newspaper |
author |
O'Callaghan, Amee Joshi, Manoj Stevens, David Mitchell, Daniel |
spellingShingle |
O'Callaghan, Amee Joshi, Manoj Stevens, David Mitchell, Daniel The effects of different sudden stratospheric warming type on the ocean: Ocean impacts of SSWs |
author_facet |
O'Callaghan, Amee Joshi, Manoj Stevens, David Mitchell, Daniel |
author_sort |
O'Callaghan, Amee |
title |
The effects of different sudden stratospheric warming type on the ocean: Ocean impacts of SSWs |
title_short |
The effects of different sudden stratospheric warming type on the ocean: Ocean impacts of SSWs |
title_full |
The effects of different sudden stratospheric warming type on the ocean: Ocean impacts of SSWs |
title_fullStr |
The effects of different sudden stratospheric warming type on the ocean: Ocean impacts of SSWs |
title_full_unstemmed |
The effects of different sudden stratospheric warming type on the ocean: Ocean impacts of SSWs |
title_sort |
effects of different sudden stratospheric warming type on the ocean: ocean impacts of ssws |
publishDate |
2014 |
url |
https://ueaeprints.uea.ac.uk/id/eprint/51276/ https://ueaeprints.uea.ac.uk/id/eprint/51276/1/ocallaghan_etal_2014_stratocean.pdf https://ueaeprints.uea.ac.uk/id/eprint/51276/2/ssw_impacts_ocean_ocallaghan_et_al_2014.pdf https://doi.org/10.1002/2014GL062179 |
long_lat |
ENVELOPE(-63.071,-63.071,-70.797,-70.797) |
geographic |
Curl |
geographic_facet |
Curl |
genre |
North Atlantic |
genre_facet |
North Atlantic |
op_relation |
https://ueaeprints.uea.ac.uk/id/eprint/51276/1/ocallaghan_etal_2014_stratocean.pdf https://ueaeprints.uea.ac.uk/id/eprint/51276/2/ssw_impacts_ocean_ocallaghan_et_al_2014.pdf O'Callaghan, Amee, Joshi, Manoj, Stevens, David and Mitchell, Daniel (2014) The effects of different sudden stratospheric warming type on the ocean: Ocean impacts of SSWs. Geophysical Research Letters, 41 (21). 7739–7745. ISSN 0094-8276 doi:10.1002/2014GL062179 |
op_doi |
https://doi.org/10.1002/2014GL062179 |
container_title |
Geophysical Research Letters |
container_volume |
41 |
container_issue |
21 |
container_start_page |
7739 |
op_container_end_page |
7745 |
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1767965233058414592 |