Latest Miocene restriction of the Mediterranean Outflow Water: a perspective from the Gulf of Cádiz
Abstract The Mediterranean-Atlantic water mass exchange provides the ideal setting for deciphering the role of gateway evolution in ocean circulation. However, the dynamics of Mediterranean Outflow Water (MOW) during the closure of the Late Miocene Mediterranean-Atlantic gateways are poorly understo...
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Springer Science and Business Media LLC
2021
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Online Access: | http://dx.doi.org/10.1007/s00367-021-00693-9 https://link.springer.com/content/pdf/10.1007/s00367-021-00693-9.pdf https://link.springer.com/article/10.1007/s00367-021-00693-9/fulltext.html |
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crspringernat:10.1007/s00367-021-00693-9 2023-05-15T17:33:15+02:00 Latest Miocene restriction of the Mediterranean Outflow Water: a perspective from the Gulf of Cádiz Ng, Zhi Lin Hernández-Molina, F. Javier Duarte, Débora Sierro, Francisco J. Ledesma, Santiago Rogerson, Michael Llave, Estefanía Roque, Cristina Manar, M. Amine Royal Holloway, University of London SCORE Project INPULSE Project 2021 http://dx.doi.org/10.1007/s00367-021-00693-9 https://link.springer.com/content/pdf/10.1007/s00367-021-00693-9.pdf https://link.springer.com/article/10.1007/s00367-021-00693-9/fulltext.html en eng Springer Science and Business Media LLC https://creativecommons.org/licenses/by/4.0 https://creativecommons.org/licenses/by/4.0 CC-BY Geo-Marine Letters volume 41, issue 2 ISSN 0276-0460 1432-1157 Earth and Planetary Sciences (miscellaneous) Geotechnical Engineering and Engineering Geology Environmental Science (miscellaneous) Oceanography journal-article 2021 crspringernat https://doi.org/10.1007/s00367-021-00693-9 2022-01-04T16:28:05Z Abstract The Mediterranean-Atlantic water mass exchange provides the ideal setting for deciphering the role of gateway evolution in ocean circulation. However, the dynamics of Mediterranean Outflow Water (MOW) during the closure of the Late Miocene Mediterranean-Atlantic gateways are poorly understood. Here, we define the sedimentary evolution of Neogene basins from the Gulf of Cádiz to the West Iberian margin to investigate MOW circulation during the latest Miocene. Seismic interpretation highlights a middle to upper Messinian seismic unit of transparent facies, whose base predates the onset of the Messinian salinity crisis (MSC). Its facies and distribution imply a predominantly hemipelagic environment along the Atlantic margins, suggesting an absence or intermittence of MOW preceding evaporite precipitation in the Mediterranean, simultaneous to progressive gateway restriction. The removal of MOW from the Mediterranean-Atlantic water mass exchange reorganized the Atlantic water masses and is correlated to a severe weakening of the Atlantic Meridional Overturning Circulation (AMOC) and a period of further cooling in the North Atlantic during the latest Miocene. Article in Journal/Newspaper North Atlantic Springer Nature (via Crossref) Geo-Marine Letters 41 2 |
institution |
Open Polar |
collection |
Springer Nature (via Crossref) |
op_collection_id |
crspringernat |
language |
English |
topic |
Earth and Planetary Sciences (miscellaneous) Geotechnical Engineering and Engineering Geology Environmental Science (miscellaneous) Oceanography |
spellingShingle |
Earth and Planetary Sciences (miscellaneous) Geotechnical Engineering and Engineering Geology Environmental Science (miscellaneous) Oceanography Ng, Zhi Lin Hernández-Molina, F. Javier Duarte, Débora Sierro, Francisco J. Ledesma, Santiago Rogerson, Michael Llave, Estefanía Roque, Cristina Manar, M. Amine Latest Miocene restriction of the Mediterranean Outflow Water: a perspective from the Gulf of Cádiz |
topic_facet |
Earth and Planetary Sciences (miscellaneous) Geotechnical Engineering and Engineering Geology Environmental Science (miscellaneous) Oceanography |
description |
Abstract The Mediterranean-Atlantic water mass exchange provides the ideal setting for deciphering the role of gateway evolution in ocean circulation. However, the dynamics of Mediterranean Outflow Water (MOW) during the closure of the Late Miocene Mediterranean-Atlantic gateways are poorly understood. Here, we define the sedimentary evolution of Neogene basins from the Gulf of Cádiz to the West Iberian margin to investigate MOW circulation during the latest Miocene. Seismic interpretation highlights a middle to upper Messinian seismic unit of transparent facies, whose base predates the onset of the Messinian salinity crisis (MSC). Its facies and distribution imply a predominantly hemipelagic environment along the Atlantic margins, suggesting an absence or intermittence of MOW preceding evaporite precipitation in the Mediterranean, simultaneous to progressive gateway restriction. The removal of MOW from the Mediterranean-Atlantic water mass exchange reorganized the Atlantic water masses and is correlated to a severe weakening of the Atlantic Meridional Overturning Circulation (AMOC) and a period of further cooling in the North Atlantic during the latest Miocene. |
author2 |
Royal Holloway, University of London SCORE Project INPULSE Project |
format |
Article in Journal/Newspaper |
author |
Ng, Zhi Lin Hernández-Molina, F. Javier Duarte, Débora Sierro, Francisco J. Ledesma, Santiago Rogerson, Michael Llave, Estefanía Roque, Cristina Manar, M. Amine |
author_facet |
Ng, Zhi Lin Hernández-Molina, F. Javier Duarte, Débora Sierro, Francisco J. Ledesma, Santiago Rogerson, Michael Llave, Estefanía Roque, Cristina Manar, M. Amine |
author_sort |
Ng, Zhi Lin |
title |
Latest Miocene restriction of the Mediterranean Outflow Water: a perspective from the Gulf of Cádiz |
title_short |
Latest Miocene restriction of the Mediterranean Outflow Water: a perspective from the Gulf of Cádiz |
title_full |
Latest Miocene restriction of the Mediterranean Outflow Water: a perspective from the Gulf of Cádiz |
title_fullStr |
Latest Miocene restriction of the Mediterranean Outflow Water: a perspective from the Gulf of Cádiz |
title_full_unstemmed |
Latest Miocene restriction of the Mediterranean Outflow Water: a perspective from the Gulf of Cádiz |
title_sort |
latest miocene restriction of the mediterranean outflow water: a perspective from the gulf of cádiz |
publisher |
Springer Science and Business Media LLC |
publishDate |
2021 |
url |
http://dx.doi.org/10.1007/s00367-021-00693-9 https://link.springer.com/content/pdf/10.1007/s00367-021-00693-9.pdf https://link.springer.com/article/10.1007/s00367-021-00693-9/fulltext.html |
genre |
North Atlantic |
genre_facet |
North Atlantic |
op_source |
Geo-Marine Letters volume 41, issue 2 ISSN 0276-0460 1432-1157 |
op_rights |
https://creativecommons.org/licenses/by/4.0 https://creativecommons.org/licenses/by/4.0 |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.1007/s00367-021-00693-9 |
container_title |
Geo-Marine Letters |
container_volume |
41 |
container_issue |
2 |
_version_ |
1766131702582738944 |