The Azores Front since the Last Glacial Maximum
The spatial distribution of warm surface water in the Atlantic Ocean reflects the state of the thermohaline circulation. The Azores Current/Front, which is a recirculation of the Gulf Stream, marks the northeastern boundary of the North Atlantic subtropical gyre. Its position is therefore diagnostic...
Published in: | Earth and Planetary Science Letters |
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2004
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Online Access: | https://eprints.soton.ac.uk/9867/ |
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ftsouthampton:oai:eprints.soton.ac.uk:9867 2023-07-30T04:05:26+02:00 The Azores Front since the Last Glacial Maximum Rogerson, M. Rohling, E.J. Weaver, P.P.E. Murray, J.W. 2004-06-15 https://eprints.soton.ac.uk/9867/ unknown Rogerson, M., Rohling, E.J., Weaver, P.P.E. and Murray, J.W. (2004) The Azores Front since the Last Glacial Maximum. Earth and Planetary Science Letters, 222 (3-4), 779-789. (doi:10.1016/j.epsl.2004.03.039 <http://dx.doi.org/10.1016/j.epsl.2004.03.039>). Article PeerReviewed 2004 ftsouthampton https://doi.org/10.1016/j.epsl.2004.03.039 2023-07-09T20:30:21Z The spatial distribution of warm surface water in the Atlantic Ocean reflects the state of the thermohaline circulation. The Azores Current/Front, which is a recirculation of the Gulf Stream, marks the northeastern boundary of the North Atlantic subtropical gyre. Its position is therefore diagnostic of the width of the Atlantic warm water sphere. Here we report high resolution stable isotope and faunal abundance records of planktonic foraminifera in a sediment core from the Gulf of Cadiz (southwest Spain) which reflects shifting of the Azores Front since the Last Glacial Maximum (LGM). Today, the Azores Front does not penetrate into the Gulf of Cadiz, even though the front resides at the same latitude as the Gulf of Cadiz in the Atlantic. Our results indicate that the Azores Front is a robust feature of the Atlantic surface circulation, and that is present both in interglacial times and during the LGM at roughly the same latitude. However, during the LGM prior to 16 ka BP and during the Younger Dryas, the Azores Front did penetrate eastward into the Gulf of Cadiz. Article in Journal/Newspaper North Atlantic Planktonic foraminifera University of Southampton: e-Prints Soton Earth and Planetary Science Letters 222 3-4 779 789 |
institution |
Open Polar |
collection |
University of Southampton: e-Prints Soton |
op_collection_id |
ftsouthampton |
language |
unknown |
description |
The spatial distribution of warm surface water in the Atlantic Ocean reflects the state of the thermohaline circulation. The Azores Current/Front, which is a recirculation of the Gulf Stream, marks the northeastern boundary of the North Atlantic subtropical gyre. Its position is therefore diagnostic of the width of the Atlantic warm water sphere. Here we report high resolution stable isotope and faunal abundance records of planktonic foraminifera in a sediment core from the Gulf of Cadiz (southwest Spain) which reflects shifting of the Azores Front since the Last Glacial Maximum (LGM). Today, the Azores Front does not penetrate into the Gulf of Cadiz, even though the front resides at the same latitude as the Gulf of Cadiz in the Atlantic. Our results indicate that the Azores Front is a robust feature of the Atlantic surface circulation, and that is present both in interglacial times and during the LGM at roughly the same latitude. However, during the LGM prior to 16 ka BP and during the Younger Dryas, the Azores Front did penetrate eastward into the Gulf of Cadiz. |
format |
Article in Journal/Newspaper |
author |
Rogerson, M. Rohling, E.J. Weaver, P.P.E. Murray, J.W. |
spellingShingle |
Rogerson, M. Rohling, E.J. Weaver, P.P.E. Murray, J.W. The Azores Front since the Last Glacial Maximum |
author_facet |
Rogerson, M. Rohling, E.J. Weaver, P.P.E. Murray, J.W. |
author_sort |
Rogerson, M. |
title |
The Azores Front since the Last Glacial Maximum |
title_short |
The Azores Front since the Last Glacial Maximum |
title_full |
The Azores Front since the Last Glacial Maximum |
title_fullStr |
The Azores Front since the Last Glacial Maximum |
title_full_unstemmed |
The Azores Front since the Last Glacial Maximum |
title_sort |
azores front since the last glacial maximum |
publishDate |
2004 |
url |
https://eprints.soton.ac.uk/9867/ |
genre |
North Atlantic Planktonic foraminifera |
genre_facet |
North Atlantic Planktonic foraminifera |
op_relation |
Rogerson, M., Rohling, E.J., Weaver, P.P.E. and Murray, J.W. (2004) The Azores Front since the Last Glacial Maximum. Earth and Planetary Science Letters, 222 (3-4), 779-789. (doi:10.1016/j.epsl.2004.03.039 <http://dx.doi.org/10.1016/j.epsl.2004.03.039>). |
op_doi |
https://doi.org/10.1016/j.epsl.2004.03.039 |
container_title |
Earth and Planetary Science Letters |
container_volume |
222 |
container_issue |
3-4 |
container_start_page |
779 |
op_container_end_page |
789 |
_version_ |
1772817345008369664 |