Latest Miocene restriction of the Mediterranean Outflow Water:a perspective from the Gulf of Cádiz
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,...
Published in: | Geo-Marine Letters |
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2021
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Online Access: | https://rhul.elsevierpure.com/en/publications/e5a42a0d-2dfa-4d60-8f85-ce83f3003bf2 https://doi.org/10.1007/s00367-021-00693-9 https://pure.royalholloway.ac.uk/ws/files/42982199/Ng2021_Article_LatestMioceneRestrictionOfTheM.pdf |
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fthollowaycris:oai:pure.royalholloway.ac.uk:publications/e5a42a0d-2dfa-4d60-8f85-ce83f3003bf2 2024-09-30T14:39:34+00:00 Latest Miocene restriction of the Mediterranean Outflow Water:a perspective from the Gulf of Cádiz Ng, Zhi Lin Hernández-Molina, F. J. Duarte, Débora Sierro, Francisco J. Ledesma, Santiago Rogerson, Mike Llave, Estefanía Roque, Cristina Manar, M Amine 2021-05-17 application/pdf https://rhul.elsevierpure.com/en/publications/e5a42a0d-2dfa-4d60-8f85-ce83f3003bf2 https://doi.org/10.1007/s00367-021-00693-9 https://pure.royalholloway.ac.uk/ws/files/42982199/Ng2021_Article_LatestMioceneRestrictionOfTheM.pdf eng eng https://rhul.elsevierpure.com/en/publications/e5a42a0d-2dfa-4d60-8f85-ce83f3003bf2 info:eu-repo/semantics/openAccess Ng , Z L , Hernández-Molina , F J , Duarte , D , Sierro , F J , Ledesma , S , Rogerson , M , Llave , E , Roque , C & Manar , M A 2021 , ' Latest Miocene restriction of the Mediterranean Outflow Water : a perspective from the Gulf of Cádiz ' , Geo-Marine Letters , vol. 41 , no. 2 , 23 . https://doi.org/10.1007/s00367-021-00693-9 article 2021 fthollowaycris https://doi.org/10.1007/s00367-021-00693-9 2024-09-04T23:32:09Z 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 Royal Holloway, University of London research portal Geo-Marine Letters 41 2 |
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Open Polar |
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Royal Holloway, University of London research portal |
op_collection_id |
fthollowaycris |
language |
English |
description |
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. |
format |
Article in Journal/Newspaper |
author |
Ng, Zhi Lin Hernández-Molina, F. J. Duarte, Débora Sierro, Francisco J. Ledesma, Santiago Rogerson, Mike Llave, Estefanía Roque, Cristina Manar, M Amine |
spellingShingle |
Ng, Zhi Lin Hernández-Molina, F. J. Duarte, Débora Sierro, Francisco J. Ledesma, Santiago Rogerson, Mike Llave, Estefanía Roque, Cristina Manar, M Amine Latest Miocene restriction of the Mediterranean Outflow Water:a perspective from the Gulf of Cádiz |
author_facet |
Ng, Zhi Lin Hernández-Molina, F. J. Duarte, Débora Sierro, Francisco J. Ledesma, Santiago Rogerson, Mike 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 |
publishDate |
2021 |
url |
https://rhul.elsevierpure.com/en/publications/e5a42a0d-2dfa-4d60-8f85-ce83f3003bf2 https://doi.org/10.1007/s00367-021-00693-9 https://pure.royalholloway.ac.uk/ws/files/42982199/Ng2021_Article_LatestMioceneRestrictionOfTheM.pdf |
genre |
North Atlantic |
genre_facet |
North Atlantic |
op_source |
Ng , Z L , Hernández-Molina , F J , Duarte , D , Sierro , F J , Ledesma , S , Rogerson , M , Llave , E , Roque , C & Manar , M A 2021 , ' Latest Miocene restriction of the Mediterranean Outflow Water : a perspective from the Gulf of Cádiz ' , Geo-Marine Letters , vol. 41 , no. 2 , 23 . https://doi.org/10.1007/s00367-021-00693-9 |
op_relation |
https://rhul.elsevierpure.com/en/publications/e5a42a0d-2dfa-4d60-8f85-ce83f3003bf2 |
op_rights |
info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/10.1007/s00367-021-00693-9 |
container_title |
Geo-Marine Letters |
container_volume |
41 |
container_issue |
2 |
_version_ |
1811642188190187520 |