Relative contributions of local heat storage and ocean heat transport to cold‐season Arctic Ocean surface energy fluxes in CMIP6 models
Abstract The Arctic near‐surface air temperature increases most strongly during the cold season, and ocean heat storage has often been cited as a crucial component in linking the ice‐albedo radiative feedback, which is active in summer, and near‐surface air temperature increase in winter, when the l...
Published in: | Quarterly Journal of the Royal Meteorological Society |
---|---|
Main Authors: | , |
Other Authors: | |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
Wiley
2023
|
Subjects: | |
Online Access: | http://dx.doi.org/10.1002/qj.4496 https://rmets.onlinelibrary.wiley.com/doi/pdf/10.1002/qj.4496 |
id |
crwiley:10.1002/qj.4496 |
---|---|
record_format |
openpolar |
spelling |
crwiley:10.1002/qj.4496 2024-09-15T17:35:49+00:00 Relative contributions of local heat storage and ocean heat transport to cold‐season Arctic Ocean surface energy fluxes in CMIP6 models Hajjar, Khaled al Salzmann, Marc Deutsche Forschungsgemeinschaft 2023 http://dx.doi.org/10.1002/qj.4496 https://rmets.onlinelibrary.wiley.com/doi/pdf/10.1002/qj.4496 en eng Wiley http://creativecommons.org/licenses/by/4.0/ Quarterly Journal of the Royal Meteorological Society volume 149, issue 755, page 2091-2106 ISSN 0035-9009 1477-870X journal-article 2023 crwiley https://doi.org/10.1002/qj.4496 2024-07-11T04:36:07Z Abstract The Arctic near‐surface air temperature increases most strongly during the cold season, and ocean heat storage has often been cited as a crucial component in linking the ice‐albedo radiative feedback, which is active in summer, and near‐surface air temperature increase in winter, when the lapse rate feedback contributes to Arctic warming. Here, we first estimate how much local heat storage and ocean heat transport contribute to net surface energy fluxes on a seasonal scale in CMIP6 models. We then compare contributions in a base state under weak anthropogenic forcing to a near‐present‐day state in which significant Arctic amplification is simulated. Our analysis indicates that, in a few regions, ocean heat transport plays a larger role for cold‐season net surface energy fluxes compared with local heat storage. Analyzing differences between past and near‐present‐day conditions suggests that the lapse rate feedback, which mainly acts during the cold season in warm water inflow regions, may be more strongly influenced than previously thought by increased ocean heat transport from lower latitudes. Article in Journal/Newspaper albedo Arctic Ocean Wiley Online Library Quarterly Journal of the Royal Meteorological Society 149 755 2091 2106 |
institution |
Open Polar |
collection |
Wiley Online Library |
op_collection_id |
crwiley |
language |
English |
description |
Abstract The Arctic near‐surface air temperature increases most strongly during the cold season, and ocean heat storage has often been cited as a crucial component in linking the ice‐albedo radiative feedback, which is active in summer, and near‐surface air temperature increase in winter, when the lapse rate feedback contributes to Arctic warming. Here, we first estimate how much local heat storage and ocean heat transport contribute to net surface energy fluxes on a seasonal scale in CMIP6 models. We then compare contributions in a base state under weak anthropogenic forcing to a near‐present‐day state in which significant Arctic amplification is simulated. Our analysis indicates that, in a few regions, ocean heat transport plays a larger role for cold‐season net surface energy fluxes compared with local heat storage. Analyzing differences between past and near‐present‐day conditions suggests that the lapse rate feedback, which mainly acts during the cold season in warm water inflow regions, may be more strongly influenced than previously thought by increased ocean heat transport from lower latitudes. |
author2 |
Deutsche Forschungsgemeinschaft |
format |
Article in Journal/Newspaper |
author |
Hajjar, Khaled al Salzmann, Marc |
spellingShingle |
Hajjar, Khaled al Salzmann, Marc Relative contributions of local heat storage and ocean heat transport to cold‐season Arctic Ocean surface energy fluxes in CMIP6 models |
author_facet |
Hajjar, Khaled al Salzmann, Marc |
author_sort |
Hajjar, Khaled al |
title |
Relative contributions of local heat storage and ocean heat transport to cold‐season Arctic Ocean surface energy fluxes in CMIP6 models |
title_short |
Relative contributions of local heat storage and ocean heat transport to cold‐season Arctic Ocean surface energy fluxes in CMIP6 models |
title_full |
Relative contributions of local heat storage and ocean heat transport to cold‐season Arctic Ocean surface energy fluxes in CMIP6 models |
title_fullStr |
Relative contributions of local heat storage and ocean heat transport to cold‐season Arctic Ocean surface energy fluxes in CMIP6 models |
title_full_unstemmed |
Relative contributions of local heat storage and ocean heat transport to cold‐season Arctic Ocean surface energy fluxes in CMIP6 models |
title_sort |
relative contributions of local heat storage and ocean heat transport to cold‐season arctic ocean surface energy fluxes in cmip6 models |
publisher |
Wiley |
publishDate |
2023 |
url |
http://dx.doi.org/10.1002/qj.4496 https://rmets.onlinelibrary.wiley.com/doi/pdf/10.1002/qj.4496 |
genre |
albedo Arctic Ocean |
genre_facet |
albedo Arctic Ocean |
op_source |
Quarterly Journal of the Royal Meteorological Society volume 149, issue 755, page 2091-2106 ISSN 0035-9009 1477-870X |
op_rights |
http://creativecommons.org/licenses/by/4.0/ |
op_doi |
https://doi.org/10.1002/qj.4496 |
container_title |
Quarterly Journal of the Royal Meteorological Society |
container_volume |
149 |
container_issue |
755 |
container_start_page |
2091 |
op_container_end_page |
2106 |
_version_ |
1810480810759815168 |