Changes in temperature and salinity tendencies of the upper subtropical north atlantic ocean at 24.5ºN
Strong interest in multidecadal changes in ocean temperature and heat transport has resulted in the occupation of the North Atlantic Ocean hydrographic transect along 24.5°N five times since 1957, more than any other transoceanic section in the world. This latitude is chosen because it is where the...
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Online Access: | http://hdl.handle.net/10553/50054 https://doi.org/10.1175/2010JPO4410.1 |
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ftunivlaspalmas:oai:accedacris.ulpgc.es:10553/50054 2023-05-15T17:29:01+02:00 Changes in temperature and salinity tendencies of the upper subtropical north atlantic ocean at 24.5ºN Vélez Belchí,Pedro Hernández-Guerra, Alonso Fraile Nuez,Eugenio Benítez-Barrios, Verónica Velez-Belchi, Pedro Fraile-Nuez, Eugenio Hernandez-Guerra, Alonso 7801599223 6701736545 12139561900 24398599500 1378362 660191 1139939 2251871 WOS:Velez-Belchi, P WOS:Hernandez-Guerra, A WOS:Fraile-Nuez, E WOS:Benitez-Barrios, V 2010 http://hdl.handle.net/10553/50054 https://doi.org/10.1175/2010JPO4410.1 eng eng Journal of Physical Oceanography 40 0022-3670 http://hdl.handle.net/10553/50054 doi:10.1175/2010JPO4410.1 78650208763 000284972900013 11 WOS:000284972900013 I-9150-2017 D-1521-2010 A-4747-2008 Sí Journal of Physical Oceanography [ISSN 0022-3670], v. 40 (11), p. 2546-2555 (Noviembre 2010) 251007 Oceanografía física Temperature Salinity North Atlantic Ocean Ship observations Multidecadal variability info:eu-repo/semantics/Article Article 2010 ftunivlaspalmas https://doi.org/10.1175/2010JPO4410.1 2020-10-28T00:09:24Z Strong interest in multidecadal changes in ocean temperature and heat transport has resulted in the occupation of the North Atlantic Ocean hydrographic transect along 24.5°N five times since 1957, more than any other transoceanic section in the world. This latitude is chosen because it is where the northward ocean transport of heat in the Atlantic reaches its maximum. An analysis of the five oceanographic cruises at this latitude shows that there has been a significant cooling of −0.15°C in the upper ocean (600–1800-dbar range) over the last 7 years, from 1998 to 2004, which is in contrast to the warming of 0.27°C observed from 1957 to 1998. Salinity shows a similar change in tendency, with freshening since 1998. For the upper ocean at 24.5°N, 1998 was the warmest and saltiest year since 1957. Data from the Argo network are used to corroborate the strong cooling and freshening since 1998, showing a −0.13°C cooling in the period between 1998 and 2006 and revealing interannual variability between 2005 and 2008 to be much smaller than the decadal variability estimated using the transect. The results also demonstrate that Argo is an invaluable tool for observing the oscillations in the tendencies of the ocean. 2555 2546 Article in Journal/Newspaper North Atlantic Universidad de Las Palmas de Gran Canaria: Acceda Journal of Physical Oceanography 40 11 2546 2555 |
institution |
Open Polar |
collection |
Universidad de Las Palmas de Gran Canaria: Acceda |
op_collection_id |
ftunivlaspalmas |
language |
English |
topic |
251007 Oceanografía física Temperature Salinity North Atlantic Ocean Ship observations Multidecadal variability |
spellingShingle |
251007 Oceanografía física Temperature Salinity North Atlantic Ocean Ship observations Multidecadal variability Vélez Belchí,Pedro Hernández-Guerra, Alonso Fraile Nuez,Eugenio Benítez-Barrios, Verónica Changes in temperature and salinity tendencies of the upper subtropical north atlantic ocean at 24.5ºN |
topic_facet |
251007 Oceanografía física Temperature Salinity North Atlantic Ocean Ship observations Multidecadal variability |
description |
Strong interest in multidecadal changes in ocean temperature and heat transport has resulted in the occupation of the North Atlantic Ocean hydrographic transect along 24.5°N five times since 1957, more than any other transoceanic section in the world. This latitude is chosen because it is where the northward ocean transport of heat in the Atlantic reaches its maximum. An analysis of the five oceanographic cruises at this latitude shows that there has been a significant cooling of −0.15°C in the upper ocean (600–1800-dbar range) over the last 7 years, from 1998 to 2004, which is in contrast to the warming of 0.27°C observed from 1957 to 1998. Salinity shows a similar change in tendency, with freshening since 1998. For the upper ocean at 24.5°N, 1998 was the warmest and saltiest year since 1957. Data from the Argo network are used to corroborate the strong cooling and freshening since 1998, showing a −0.13°C cooling in the period between 1998 and 2006 and revealing interannual variability between 2005 and 2008 to be much smaller than the decadal variability estimated using the transect. The results also demonstrate that Argo is an invaluable tool for observing the oscillations in the tendencies of the ocean. 2555 2546 |
author2 |
Velez-Belchi, Pedro Fraile-Nuez, Eugenio Hernandez-Guerra, Alonso 7801599223 6701736545 12139561900 24398599500 1378362 660191 1139939 2251871 WOS:Velez-Belchi, P WOS:Hernandez-Guerra, A WOS:Fraile-Nuez, E WOS:Benitez-Barrios, V |
format |
Article in Journal/Newspaper |
author |
Vélez Belchí,Pedro Hernández-Guerra, Alonso Fraile Nuez,Eugenio Benítez-Barrios, Verónica |
author_facet |
Vélez Belchí,Pedro Hernández-Guerra, Alonso Fraile Nuez,Eugenio Benítez-Barrios, Verónica |
author_sort |
Vélez Belchí,Pedro |
title |
Changes in temperature and salinity tendencies of the upper subtropical north atlantic ocean at 24.5ºN |
title_short |
Changes in temperature and salinity tendencies of the upper subtropical north atlantic ocean at 24.5ºN |
title_full |
Changes in temperature and salinity tendencies of the upper subtropical north atlantic ocean at 24.5ºN |
title_fullStr |
Changes in temperature and salinity tendencies of the upper subtropical north atlantic ocean at 24.5ºN |
title_full_unstemmed |
Changes in temperature and salinity tendencies of the upper subtropical north atlantic ocean at 24.5ºN |
title_sort |
changes in temperature and salinity tendencies of the upper subtropical north atlantic ocean at 24.5ºn |
publishDate |
2010 |
url |
http://hdl.handle.net/10553/50054 https://doi.org/10.1175/2010JPO4410.1 |
genre |
North Atlantic |
genre_facet |
North Atlantic |
op_source |
Journal of Physical Oceanography [ISSN 0022-3670], v. 40 (11), p. 2546-2555 (Noviembre 2010) |
op_relation |
Journal of Physical Oceanography 40 0022-3670 http://hdl.handle.net/10553/50054 doi:10.1175/2010JPO4410.1 78650208763 000284972900013 11 WOS:000284972900013 I-9150-2017 D-1521-2010 A-4747-2008 Sí |
op_doi |
https://doi.org/10.1175/2010JPO4410.1 |
container_title |
Journal of Physical Oceanography |
container_volume |
40 |
container_issue |
11 |
container_start_page |
2546 |
op_container_end_page |
2555 |
_version_ |
1766122327002578944 |