Recent changes in the Greenland-Scotland overflow-derived water transport inferred from hydrographic observations in the southern Irminger Sea
Recent decadal changes (1955-2007) in the baroclinic transport (TBC) of the Deep Western Boundary Current (DWBC) carrying the Greenland-Scotland overflow-derived waters along the East Greenland slope are quantified from a set of hydrographic sections in vicinity of Cape Farewell. The updated histori...
Published in: | Geophysical Research Letters |
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Language: | English |
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Online Access: | https://archimer.ifremer.fr/doc/2009/publication-6633.pdf https://doi.org/10.1029/2009GL038385 https://archimer.ifremer.fr/doc/00000/6633/ |
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ftarchimer:oai:archimer.ifremer.fr:6633 2023-05-15T15:51:49+02:00 Recent changes in the Greenland-Scotland overflow-derived water transport inferred from hydrographic observations in the southern Irminger Sea Sarafanov, Artem Falina, Anastasia Mercier, Herle Lherminier, Pascale Sokov, Alexey 2009-07 application/pdf https://archimer.ifremer.fr/doc/2009/publication-6633.pdf https://doi.org/10.1029/2009GL038385 https://archimer.ifremer.fr/doc/00000/6633/ eng eng American Geophysical Union https://archimer.ifremer.fr/doc/2009/publication-6633.pdf doi:10.1029/2009GL038385 https://archimer.ifremer.fr/doc/00000/6633/ 2009. American Geophysical Union. All Rights Reserved info:eu-repo/semantics/openAccess restricted use Geophysical Research Letters ( GRL ) (0094-8276) (American Geophysical Union), 2009-07 , Vol. 36 , N. L13606 , P. 1-6 text Publication info:eu-repo/semantics/article 2009 ftarchimer https://doi.org/10.1029/2009GL038385 2021-09-23T20:17:24Z Recent decadal changes (1955-2007) in the baroclinic transport (TBC) of the Deep Western Boundary Current (DWBC) carrying the Greenland-Scotland overflow-derived waters along the East Greenland slope are quantified from a set of hydrographic sections in vicinity of Cape Farewell. The updated historical record of TBC shows clear decadal variability (+/- 2-2.5 Sv) with the transport minima in the 1950s and mid-1990s, maximum in the early 1980s and moderate-to-high transport in the 2000s. Since the mid-1990s, the DWBC TBC has increased by similar to 2 Sv (significant at the 99.9% level), which constitute similar to 20% of the mean absolute transport (9.0 Sv) as obtained from three cruises in 2002-2006. The DWBC TBC anomalies negatively correlate (R = -0.80) with thickness anomalies of the Labrador Sea Water (LSW) at its origin implying a close association, albeit not necessarily causative, between the DWBC transport east of Greenland and the LSW production. Article in Journal/Newspaper Cape Farewell East Greenland Greenland Labrador Sea Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer) Greenland Irminger Sea ENVELOPE(-34.041,-34.041,63.054,63.054) Geophysical Research Letters 36 13 |
institution |
Open Polar |
collection |
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer) |
op_collection_id |
ftarchimer |
language |
English |
description |
Recent decadal changes (1955-2007) in the baroclinic transport (TBC) of the Deep Western Boundary Current (DWBC) carrying the Greenland-Scotland overflow-derived waters along the East Greenland slope are quantified from a set of hydrographic sections in vicinity of Cape Farewell. The updated historical record of TBC shows clear decadal variability (+/- 2-2.5 Sv) with the transport minima in the 1950s and mid-1990s, maximum in the early 1980s and moderate-to-high transport in the 2000s. Since the mid-1990s, the DWBC TBC has increased by similar to 2 Sv (significant at the 99.9% level), which constitute similar to 20% of the mean absolute transport (9.0 Sv) as obtained from three cruises in 2002-2006. The DWBC TBC anomalies negatively correlate (R = -0.80) with thickness anomalies of the Labrador Sea Water (LSW) at its origin implying a close association, albeit not necessarily causative, between the DWBC transport east of Greenland and the LSW production. |
format |
Article in Journal/Newspaper |
author |
Sarafanov, Artem Falina, Anastasia Mercier, Herle Lherminier, Pascale Sokov, Alexey |
spellingShingle |
Sarafanov, Artem Falina, Anastasia Mercier, Herle Lherminier, Pascale Sokov, Alexey Recent changes in the Greenland-Scotland overflow-derived water transport inferred from hydrographic observations in the southern Irminger Sea |
author_facet |
Sarafanov, Artem Falina, Anastasia Mercier, Herle Lherminier, Pascale Sokov, Alexey |
author_sort |
Sarafanov, Artem |
title |
Recent changes in the Greenland-Scotland overflow-derived water transport inferred from hydrographic observations in the southern Irminger Sea |
title_short |
Recent changes in the Greenland-Scotland overflow-derived water transport inferred from hydrographic observations in the southern Irminger Sea |
title_full |
Recent changes in the Greenland-Scotland overflow-derived water transport inferred from hydrographic observations in the southern Irminger Sea |
title_fullStr |
Recent changes in the Greenland-Scotland overflow-derived water transport inferred from hydrographic observations in the southern Irminger Sea |
title_full_unstemmed |
Recent changes in the Greenland-Scotland overflow-derived water transport inferred from hydrographic observations in the southern Irminger Sea |
title_sort |
recent changes in the greenland-scotland overflow-derived water transport inferred from hydrographic observations in the southern irminger sea |
publisher |
American Geophysical Union |
publishDate |
2009 |
url |
https://archimer.ifremer.fr/doc/2009/publication-6633.pdf https://doi.org/10.1029/2009GL038385 https://archimer.ifremer.fr/doc/00000/6633/ |
long_lat |
ENVELOPE(-34.041,-34.041,63.054,63.054) |
geographic |
Greenland Irminger Sea |
geographic_facet |
Greenland Irminger Sea |
genre |
Cape Farewell East Greenland Greenland Labrador Sea |
genre_facet |
Cape Farewell East Greenland Greenland Labrador Sea |
op_source |
Geophysical Research Letters ( GRL ) (0094-8276) (American Geophysical Union), 2009-07 , Vol. 36 , N. L13606 , P. 1-6 |
op_relation |
https://archimer.ifremer.fr/doc/2009/publication-6633.pdf doi:10.1029/2009GL038385 https://archimer.ifremer.fr/doc/00000/6633/ |
op_rights |
2009. American Geophysical Union. All Rights Reserved info:eu-repo/semantics/openAccess restricted use |
op_doi |
https://doi.org/10.1029/2009GL038385 |
container_title |
Geophysical Research Letters |
container_volume |
36 |
container_issue |
13 |
_version_ |
1766387204577296384 |