Warming‐to‐Cooling Reversal of Overflow‐Derived Water Masses in the Irminger Sea During 2002–2021
International audience Shipboard hydrography along the A25-Ovide section (2002–2018) is combined with a high-resolution mooring array (2014–2020) and a regional fleet of Deep-Argo floats (2016–2021) to describe temperature changes of overflow-derived water masses in the Irminger Sea. Removing dynami...
Published in: | Geophysical Research Letters |
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Format: | Article in Journal/Newspaper |
Language: | English |
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HAL CCSD
2022
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Online Access: | https://hal.archives-ouvertes.fr/hal-03814105 https://hal.archives-ouvertes.fr/hal-03814105/document https://hal.archives-ouvertes.fr/hal-03814105/file/377792%20%281%29.pdf https://doi.org/10.1029/2022GL098057 |
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ftunivnantes:oai:HAL:hal-03814105v1 2023-05-15T16:00:39+02:00 Warming‐to‐Cooling Reversal of Overflow‐Derived Water Masses in the Irminger Sea During 2002–2021 Desbruyères, Damien Bravo, Eva Prieto Thierry, Virginie Mercier, Herlé Lherminier, Pascale Cabanes, Cécile Biló, Tiago Fried, Nora Femke de Jong, M. Laboratoire d'Océanographie Physique et Spatiale (LOPS) Institut de Recherche pour le Développement (IRD)-Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Brest (UBO)-Centre National de la Recherche Scientifique (CNRS) Scripps Institution of Oceanography (SIO - UC San Diego) University of California San Diego (UC San Diego) University of California (UC)-University of California (UC) Royal Netherlands Institute for Sea Research (NIOZ) 2022 https://hal.archives-ouvertes.fr/hal-03814105 https://hal.archives-ouvertes.fr/hal-03814105/document https://hal.archives-ouvertes.fr/hal-03814105/file/377792%20%281%29.pdf https://doi.org/10.1029/2022GL098057 en eng HAL CCSD American Geophysical Union info:eu-repo/semantics/altIdentifier/doi/10.1029/2022GL098057 hal-03814105 https://hal.archives-ouvertes.fr/hal-03814105 https://hal.archives-ouvertes.fr/hal-03814105/document https://hal.archives-ouvertes.fr/hal-03814105/file/377792%20%281%29.pdf doi:10.1029/2022GL098057 info:eu-repo/semantics/OpenAccess ISSN: 0094-8276 EISSN: 1944-8007 Geophysical Research Letters https://hal.archives-ouvertes.fr/hal-03814105 Geophysical Research Letters, 2022, 49 (10), pp.e2022GL098057. ⟨10.1029/2022GL098057⟩ [SDU.STU.OC]Sciences of the Universe [physics]/Earth Sciences/Oceanography info:eu-repo/semantics/article Journal articles 2022 ftunivnantes https://doi.org/10.1029/2022GL098057 2022-12-07T00:28:39Z International audience Shipboard hydrography along the A25-Ovide section (2002–2018) is combined with a high-resolution mooring array (2014–2020) and a regional fleet of Deep-Argo floats (2016–2021) to describe temperature changes of overflow-derived water masses in the Irminger Sea. Removing dynamical influences enables to identify a new statistically significant trend reversal in Iceland Scotland Overflow Water (ISOW) and Denmark Strait Overflow Water (DSOW) core temperatures in the mid-2010s. A basin-wide cooling trend of −16 ± 6 m°C yr−1 during 2016–2021—but reaching as strong as −44 ± 13 m°C yr−1 for DSOW in recent years—is found to interrupt a warming phase that was prevailing since the late 1990s. The absence of an apparent reversal in the Nordic Seas and the faster changes detected in DSOW compared to ISOW point out the entrainment of subpolar signals within the overflows near the Greenland-Iceland-Scotland sills as a most likely driver. Article in Journal/Newspaper Denmark Strait Greenland Iceland Nordic Seas Université de Nantes: HAL-UNIV-NANTES Greenland Irminger Sea ENVELOPE(-34.041,-34.041,63.054,63.054) Geophysical Research Letters 49 10 |
institution |
Open Polar |
collection |
Université de Nantes: HAL-UNIV-NANTES |
op_collection_id |
ftunivnantes |
language |
English |
topic |
[SDU.STU.OC]Sciences of the Universe [physics]/Earth Sciences/Oceanography |
spellingShingle |
[SDU.STU.OC]Sciences of the Universe [physics]/Earth Sciences/Oceanography Desbruyères, Damien Bravo, Eva Prieto Thierry, Virginie Mercier, Herlé Lherminier, Pascale Cabanes, Cécile Biló, Tiago Fried, Nora Femke de Jong, M. Warming‐to‐Cooling Reversal of Overflow‐Derived Water Masses in the Irminger Sea During 2002–2021 |
topic_facet |
[SDU.STU.OC]Sciences of the Universe [physics]/Earth Sciences/Oceanography |
description |
International audience Shipboard hydrography along the A25-Ovide section (2002–2018) is combined with a high-resolution mooring array (2014–2020) and a regional fleet of Deep-Argo floats (2016–2021) to describe temperature changes of overflow-derived water masses in the Irminger Sea. Removing dynamical influences enables to identify a new statistically significant trend reversal in Iceland Scotland Overflow Water (ISOW) and Denmark Strait Overflow Water (DSOW) core temperatures in the mid-2010s. A basin-wide cooling trend of −16 ± 6 m°C yr−1 during 2016–2021—but reaching as strong as −44 ± 13 m°C yr−1 for DSOW in recent years—is found to interrupt a warming phase that was prevailing since the late 1990s. The absence of an apparent reversal in the Nordic Seas and the faster changes detected in DSOW compared to ISOW point out the entrainment of subpolar signals within the overflows near the Greenland-Iceland-Scotland sills as a most likely driver. |
author2 |
Laboratoire d'Océanographie Physique et Spatiale (LOPS) Institut de Recherche pour le Développement (IRD)-Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Brest (UBO)-Centre National de la Recherche Scientifique (CNRS) Scripps Institution of Oceanography (SIO - UC San Diego) University of California San Diego (UC San Diego) University of California (UC)-University of California (UC) Royal Netherlands Institute for Sea Research (NIOZ) |
format |
Article in Journal/Newspaper |
author |
Desbruyères, Damien Bravo, Eva Prieto Thierry, Virginie Mercier, Herlé Lherminier, Pascale Cabanes, Cécile Biló, Tiago Fried, Nora Femke de Jong, M. |
author_facet |
Desbruyères, Damien Bravo, Eva Prieto Thierry, Virginie Mercier, Herlé Lherminier, Pascale Cabanes, Cécile Biló, Tiago Fried, Nora Femke de Jong, M. |
author_sort |
Desbruyères, Damien |
title |
Warming‐to‐Cooling Reversal of Overflow‐Derived Water Masses in the Irminger Sea During 2002–2021 |
title_short |
Warming‐to‐Cooling Reversal of Overflow‐Derived Water Masses in the Irminger Sea During 2002–2021 |
title_full |
Warming‐to‐Cooling Reversal of Overflow‐Derived Water Masses in the Irminger Sea During 2002–2021 |
title_fullStr |
Warming‐to‐Cooling Reversal of Overflow‐Derived Water Masses in the Irminger Sea During 2002–2021 |
title_full_unstemmed |
Warming‐to‐Cooling Reversal of Overflow‐Derived Water Masses in the Irminger Sea During 2002–2021 |
title_sort |
warming‐to‐cooling reversal of overflow‐derived water masses in the irminger sea during 2002–2021 |
publisher |
HAL CCSD |
publishDate |
2022 |
url |
https://hal.archives-ouvertes.fr/hal-03814105 https://hal.archives-ouvertes.fr/hal-03814105/document https://hal.archives-ouvertes.fr/hal-03814105/file/377792%20%281%29.pdf https://doi.org/10.1029/2022GL098057 |
long_lat |
ENVELOPE(-34.041,-34.041,63.054,63.054) |
geographic |
Greenland Irminger Sea |
geographic_facet |
Greenland Irminger Sea |
genre |
Denmark Strait Greenland Iceland Nordic Seas |
genre_facet |
Denmark Strait Greenland Iceland Nordic Seas |
op_source |
ISSN: 0094-8276 EISSN: 1944-8007 Geophysical Research Letters https://hal.archives-ouvertes.fr/hal-03814105 Geophysical Research Letters, 2022, 49 (10), pp.e2022GL098057. ⟨10.1029/2022GL098057⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1029/2022GL098057 hal-03814105 https://hal.archives-ouvertes.fr/hal-03814105 https://hal.archives-ouvertes.fr/hal-03814105/document https://hal.archives-ouvertes.fr/hal-03814105/file/377792%20%281%29.pdf doi:10.1029/2022GL098057 |
op_rights |
info:eu-repo/semantics/OpenAccess |
op_doi |
https://doi.org/10.1029/2022GL098057 |
container_title |
Geophysical Research Letters |
container_volume |
49 |
container_issue |
10 |
_version_ |
1766396665304973312 |