Calcareous phytoplankton response to the half century of interannual climatic variability in Santa Barbara Basin (California)

A high-resolution study of calcareous phytoplankton in a box core from the Santa Barbara Basin (SBB) reveals floral assemblage fluctuations which can be related to climatic and paleoceanographic changes during the last half century (1940-1996). In particular, Gephyrocapsa oceanica production increas...

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Detalles Bibliográficos
Autores: de Castro, Biancca Scarpeline|||0000-0003-4878-1419, Ziveri, Patrizia|||0000-0002-5576-0301, Erba, Elisabetta, Thunell, Robert C.
Tipo de recurso: artículo
Fecha de publicación:2008
País:España
Institución:Universitat Autònoma de Barcelona
Repositorio:Dipòsit Digital de Documents de la UAB
Idioma:inglés
OAI Identifier:oai:ddd.uab.cat:25430
Acceso en línea:https://ddd.uab.cat/record/25430
https://dx.doi.org/urn:doi:10.1029/2007PA001503
Access Level:acceso abierto
Palabra clave:Coccolithophores
Santa Barbara Basin
Climate variability
Decadal ocean variability
Anoxic environments
Phytoplankton
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spelling Calcareous phytoplankton response to the half century of interannual climatic variability in Santa Barbara Basin (California)de Castro, Biancca Scarpeline|||0000-0003-4878-1419Ziveri, Patrizia|||0000-0002-5576-0301Erba, ElisabettaThunell, Robert C.CoccolithophoresSanta Barbara BasinClimate variabilityDecadal ocean variabilityAnoxic environmentsPhytoplanktonA high-resolution study of calcareous phytoplankton in a box core from the Santa Barbara Basin (SBB) reveals floral assemblage fluctuations which can be related to climatic and paleoceanographic changes during the last half century (1940-1996). In particular, Gephyrocapsa oceanica production increased during El Niño periods, in response to high temperatures, silica depletion, and increased iron availability. Conversely, Helicosphaera carteri flux increases in conjunction with lower surface temperatures associated with La Niña episodes. Increasing abundances of Florisphaera profunda and Umbilicosphaera sibogae after 1970 reflect a warming trend and increased stratification within the basin associated with the warm phase of the Pacific Decadal Oscillation (PDO). Conversely, increased abundances of Coccolithus pelagicus and Calcidiscus leptoporus before 1970 mark the cold phase of PDO. These coccolithophore production rate data are consistent with instrumental records of surface and thermocline temperatures monitored since 1950. This is the first study to document the response of calcareous phytoplankton to surface water warming occurring in SBB since 1970 22008-01-0120082008-01-01Articlehttp://purl.org/coar/resource_type/c_6501VoRhttp://purl.org/coar/version/c_970fb48d4fbd8a85info:eu-repo/semantics/articleapplication/pdfhttps://ddd.uab.cat/record/25430https://dx.doi.org/urn:doi:10.1029/2007PA001503reponame:Dipòsit Digital de Documents de la UABinstname:Universitat Autònoma de BarcelonaInglésengopen accesshttp://purl.org/coar/access_right/c_abf2Aquest material està protegit per drets d'autor i/o drets afins. Podeu utilitzar aquest material en funció del que permet la legislació de drets d'autor i drets afins d'aplicació al vostre cas. Per a d'altres usos heu d'obtenir permís del(s) titular(s) de drets.https://rightsstatements.org/vocab/InC/1.0/info:eu-repo/semantics/openAccessoai:ddd.uab.cat:254302026-06-06T12:50:31Z
dc.title.none.fl_str_mv Calcareous phytoplankton response to the half century of interannual climatic variability in Santa Barbara Basin (California)
title Calcareous phytoplankton response to the half century of interannual climatic variability in Santa Barbara Basin (California)
spellingShingle Calcareous phytoplankton response to the half century of interannual climatic variability in Santa Barbara Basin (California)
de Castro, Biancca Scarpeline|||0000-0003-4878-1419
Coccolithophores
Santa Barbara Basin
Climate variability
Decadal ocean variability
Anoxic environments
Phytoplankton
title_short Calcareous phytoplankton response to the half century of interannual climatic variability in Santa Barbara Basin (California)
title_full Calcareous phytoplankton response to the half century of interannual climatic variability in Santa Barbara Basin (California)
title_fullStr Calcareous phytoplankton response to the half century of interannual climatic variability in Santa Barbara Basin (California)
title_full_unstemmed Calcareous phytoplankton response to the half century of interannual climatic variability in Santa Barbara Basin (California)
title_sort Calcareous phytoplankton response to the half century of interannual climatic variability in Santa Barbara Basin (California)
dc.creator.none.fl_str_mv de Castro, Biancca Scarpeline|||0000-0003-4878-1419
Ziveri, Patrizia|||0000-0002-5576-0301
Erba, Elisabetta
Thunell, Robert C.
author de Castro, Biancca Scarpeline|||0000-0003-4878-1419
author_facet de Castro, Biancca Scarpeline|||0000-0003-4878-1419
Ziveri, Patrizia|||0000-0002-5576-0301
Erba, Elisabetta
Thunell, Robert C.
author_role author
author2 Ziveri, Patrizia|||0000-0002-5576-0301
Erba, Elisabetta
Thunell, Robert C.
author2_role author
author
author
dc.subject.none.fl_str_mv Coccolithophores
Santa Barbara Basin
Climate variability
Decadal ocean variability
Anoxic environments
Phytoplankton
topic Coccolithophores
Santa Barbara Basin
Climate variability
Decadal ocean variability
Anoxic environments
Phytoplankton
description A high-resolution study of calcareous phytoplankton in a box core from the Santa Barbara Basin (SBB) reveals floral assemblage fluctuations which can be related to climatic and paleoceanographic changes during the last half century (1940-1996). In particular, Gephyrocapsa oceanica production increased during El Niño periods, in response to high temperatures, silica depletion, and increased iron availability. Conversely, Helicosphaera carteri flux increases in conjunction with lower surface temperatures associated with La Niña episodes. Increasing abundances of Florisphaera profunda and Umbilicosphaera sibogae after 1970 reflect a warming trend and increased stratification within the basin associated with the warm phase of the Pacific Decadal Oscillation (PDO). Conversely, increased abundances of Coccolithus pelagicus and Calcidiscus leptoporus before 1970 mark the cold phase of PDO. These coccolithophore production rate data are consistent with instrumental records of surface and thermocline temperatures monitored since 1950. This is the first study to document the response of calcareous phytoplankton to surface water warming occurring in SBB since 1970
publishDate 2008
dc.date.none.fl_str_mv 2
2008-01-01
2008
2008-01-01
dc.type.none.fl_str_mv Article
http://purl.org/coar/resource_type/c_6501
VoR
http://purl.org/coar/version/c_970fb48d4fbd8a85
dc.type.openaire.fl_str_mv info:eu-repo/semantics/article
format article
dc.identifier.none.fl_str_mv https://ddd.uab.cat/record/25430
https://dx.doi.org/urn:doi:10.1029/2007PA001503
url https://ddd.uab.cat/record/25430
https://dx.doi.org/urn:doi:10.1029/2007PA001503
dc.language.none.fl_str_mv Inglés
eng
language_invalid_str_mv Inglés
language eng
dc.rights.none.fl_str_mv open access
http://purl.org/coar/access_right/c_abf2
https://rightsstatements.org/vocab/InC/1.0/
dc.rights.openaire.fl_str_mv info:eu-repo/semantics/openAccess
rights_invalid_str_mv open access
http://purl.org/coar/access_right/c_abf2
https://rightsstatements.org/vocab/InC/1.0/
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.source.none.fl_str_mv reponame:Dipòsit Digital de Documents de la UAB
instname:Universitat Autònoma de Barcelona
instname_str Universitat Autònoma de Barcelona
reponame_str Dipòsit Digital de Documents de la UAB
collection Dipòsit Digital de Documents de la UAB
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repository.mail.fl_str_mv
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