Labrador current variability over the last 2000 years
The ice-loaded Labrador Current (LC) is an important component of the western North Atlantic circulation that influences the position and strength of the northern limb of the North Atlantic Current (NAC). This flow of cold and fresh Polar Waters originating from the Arctic has a marked impact on the...
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ftird:oai:ird.fr:fdi:010062332 2023-05-15T15:04:29+02:00 Labrador current variability over the last 2000 years Sicre, M. A. Weckstrom, K. Seidenkrantz, M. S. Kuijpers, A. Benetti, M. Masse, G. Ezat, U. Schmidt, S. Bouloubassi, I. Olsen, J. Khodri, Myriam Mignot, Juliette ARCTIQUE ATLANTIQUE NORD 2014 http://www.documentation.ird.fr/hor/fdi:010062332 EN eng http://www.documentation.ird.fr/hor/fdi:010062332 oai:ird.fr:fdi:010062332 Sicre M. A., Weckstrom K., Seidenkrantz M. S., Kuijpers A., Benetti M., Masse G., Ezat U., Schmidt S., Bouloubassi I., Olsen J., Khodri Myriam, Mignot Juliette. Labrador current variability over the last 2000 years. Earth and Planetary Science Letters, 2014, 400, p. 26-32. ocean variability temperature proxy last millennia Labrador Sea Newfoundland Northern Annular Mode text 2014 ftird 2020-08-21T06:53:32Z The ice-loaded Labrador Current (LC) is an important component of the western North Atlantic circulation that influences the position and strength of the northern limb of the North Atlantic Current (NAC). This flow of cold and fresh Polar Waters originating from the Arctic has a marked impact on the North Atlantic climate, yet little is known about its variability beyond the instrumental period. In this study, we present the first sub-decadal alkenone-based 2000-year long sea-surface temperature (SST) records from the western Labrador Sea, a climatically crucial region at the boundary between the LC and the NAC. Our results show a clear link between the LC strength and the Northern Annular Mode (NAM), with a stronger NAM and a more vigorous LC during the Medieval Climate Anomaly (MCA). This suggests enhanced LC activity upon future global warming with implications for the Atlantic meridional overturning circulation (AMOC). Text Arctic Arctique* Global warming Labrador Sea Newfoundland north atlantic current North Atlantic IRD (Institute de recherche pour le développement): Horizon Arctic Newfoundland |
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Open Polar |
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IRD (Institute de recherche pour le développement): Horizon |
op_collection_id |
ftird |
language |
English |
topic |
ocean variability temperature proxy last millennia Labrador Sea Newfoundland Northern Annular Mode |
spellingShingle |
ocean variability temperature proxy last millennia Labrador Sea Newfoundland Northern Annular Mode Sicre, M. A. Weckstrom, K. Seidenkrantz, M. S. Kuijpers, A. Benetti, M. Masse, G. Ezat, U. Schmidt, S. Bouloubassi, I. Olsen, J. Khodri, Myriam Mignot, Juliette Labrador current variability over the last 2000 years |
topic_facet |
ocean variability temperature proxy last millennia Labrador Sea Newfoundland Northern Annular Mode |
description |
The ice-loaded Labrador Current (LC) is an important component of the western North Atlantic circulation that influences the position and strength of the northern limb of the North Atlantic Current (NAC). This flow of cold and fresh Polar Waters originating from the Arctic has a marked impact on the North Atlantic climate, yet little is known about its variability beyond the instrumental period. In this study, we present the first sub-decadal alkenone-based 2000-year long sea-surface temperature (SST) records from the western Labrador Sea, a climatically crucial region at the boundary between the LC and the NAC. Our results show a clear link between the LC strength and the Northern Annular Mode (NAM), with a stronger NAM and a more vigorous LC during the Medieval Climate Anomaly (MCA). This suggests enhanced LC activity upon future global warming with implications for the Atlantic meridional overturning circulation (AMOC). |
format |
Text |
author |
Sicre, M. A. Weckstrom, K. Seidenkrantz, M. S. Kuijpers, A. Benetti, M. Masse, G. Ezat, U. Schmidt, S. Bouloubassi, I. Olsen, J. Khodri, Myriam Mignot, Juliette |
author_facet |
Sicre, M. A. Weckstrom, K. Seidenkrantz, M. S. Kuijpers, A. Benetti, M. Masse, G. Ezat, U. Schmidt, S. Bouloubassi, I. Olsen, J. Khodri, Myriam Mignot, Juliette |
author_sort |
Sicre, M. A. |
title |
Labrador current variability over the last 2000 years |
title_short |
Labrador current variability over the last 2000 years |
title_full |
Labrador current variability over the last 2000 years |
title_fullStr |
Labrador current variability over the last 2000 years |
title_full_unstemmed |
Labrador current variability over the last 2000 years |
title_sort |
labrador current variability over the last 2000 years |
publishDate |
2014 |
url |
http://www.documentation.ird.fr/hor/fdi:010062332 |
op_coverage |
ARCTIQUE ATLANTIQUE NORD |
geographic |
Arctic Newfoundland |
geographic_facet |
Arctic Newfoundland |
genre |
Arctic Arctique* Global warming Labrador Sea Newfoundland north atlantic current North Atlantic |
genre_facet |
Arctic Arctique* Global warming Labrador Sea Newfoundland north atlantic current North Atlantic |
op_relation |
http://www.documentation.ird.fr/hor/fdi:010062332 oai:ird.fr:fdi:010062332 Sicre M. A., Weckstrom K., Seidenkrantz M. S., Kuijpers A., Benetti M., Masse G., Ezat U., Schmidt S., Bouloubassi I., Olsen J., Khodri Myriam, Mignot Juliette. Labrador current variability over the last 2000 years. Earth and Planetary Science Letters, 2014, 400, p. 26-32. |
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