Interannual Climate Variability in the West Antarctic Peninsula under Austral Summer Conditions
[EN] This study aimed to describe the interannual climate variability in the West Antarctic Peninsula (WAP) under austral summer conditions. Time series of January sea-surface temperature (SST) at 1 km spatial resolution from satellite-based multi-sensor data from Moderate Resolution Imaging Spectro...
| Autores: | , , , , , , , , , |
|---|---|
| Tipo de recurso: | artículo |
| Fecha de publicación: | 2021 |
| País: | España |
| Institución: | Universitat Politècnica de València (UPV) |
| Repositorio: | RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia |
| Idioma: | inglés |
| OAI Identifier: | oai:riunet.upv.es:10251/203379 |
| Acceso en línea: | https://riunet.upv.es/handle/10251/203379 |
| Access Level: | acceso abierto |
| Palabra clave: | Climate variability West Antarctic Peninsula (WAP) SST Multi-sensor LAC imagery Five-year warm cycle Southern Annular Mode (SAM)/Antarctic Oscillation (AAO) Southern Oscillation Index (SOI) WAP marine ecoregions Group on Earth Observations (GEO) TECNOLOGIA DEL MEDIO AMBIENTE |
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oai:riunet.upv.es:10251/203379 |
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Interannual Climate Variability in the West Antarctic Peninsula under Austral Summer ConditionsSantamaría-del-Ángel, EduardoCañón-Páez, Mary-LuzGonzález-Silvera, AdrianaGutiérrez, Angélica-L.López-Calderón, JorgeCamacho-Ibar, VíctorFranco-Herrera, AndrésCastillo-Ramírez, AlejandraSebastiá-Frasquet, M.-T.|||0000-0002-8042-5628Aguilar-Maldonado, Jesús AntonioClimate variabilityWest Antarctic Peninsula (WAP)SSTMulti-sensor LAC imageryFive-year warm cycleSouthern Annular Mode (SAM)/Antarctic Oscillation (AAO)Southern Oscillation Index (SOI)WAP marine ecoregionsGroup on Earth Observations (GEO)TECNOLOGIA DEL MEDIO AMBIENTE[EN] This study aimed to describe the interannual climate variability in the West Antarctic Peninsula (WAP) under austral summer conditions. Time series of January sea-surface temperature (SST) at 1 km spatial resolution from satellite-based multi-sensor data from Moderate Resolution Imaging Spectrometer (MODIS) Terra, MODIS Aqua, and Visible Infrared Imager Radiometer Suite (VIIRS) were compiled between 2001 and 2020 at localities near the Gerlache Strait and the Carlini, Palmer, and Rothera research stations. The results revealed a well-marked spatial-temporal variability in SST at the WAP, with a one-year warm episode followed by a five-year cold episode. Warm waters (SST > 0 degrees C) reach the coast during warm episodes but remain far from the shore during cold episodes. This behavior of warm waters may be related to the regional variability of the Antarctic Circumpolar Current, particularly when the South Polar Front (carrying warm waters) reaches the WAP coast. The WAP can be divided into two zones representing two distinct ecoregions: the northern zone (including the Carlini and Gerlache stations) corresponds to the South Shetland Islands ecoregion, and the southern zone (including the Palmer and Rothera stations) corresponds to the Antarctic Peninsula ecoregion. The Gerlache Strait is likely situated on the border between the two ecoregions but under a greater influence of the northern zone. Our data showed that the Southern Annular Mode (SAM) is the primary driver of SST variability, while the El Nino Southern Oscillation (ENSO) plays a secondary role. However, further studies are needed to better understand regional climate variability in the WAP and its relation with SAM and ENSO; such studies should use an index that adequately describes the ENSO in these latitudes and addresses the limitations of the databases used for this purpose. Multi-sensor data are useful in describing the complex climate variability resulting from the combination of local and regional processes that elicit different responses across the WAP. It is also essential to continue improving SST approximations at high latitudes.This work was supported by the Universidad Autónoma de Baja California, AmeriGEOSS, and the CONACYT's project number CB-2012-01/179753.MDPI AGDepartamento de Ingeniería Hidráulica y Medio AmbienteEscuela Politécnica Superior de GandiaInstituto de Investigación para la Gestión Integrada de Zonas CosterasDepartamento de UrbanismoConsejo Nacional de Humanidades, Ciencias y Tecnologías, MéxicoRepositorio Institucional de la Universitat Politècnica de València Riunet20212021-03-01journal articlehttp://purl.org/coar/resource_type/c_6501VoRhttp://purl.org/coar/version/c_970fb48d4fbd8a85info:eu-repo/semantics/articleapplication/pdfhttps://riunet.upv.es/handle/10251/203379reponame:RiuNet. Repositorio Institucional de la Universitat Politécnica de Valénciainstname:Universitat Politècnica de València (UPV)InglésengCONAHCYT CONAHCYT CONACYTopen accesshttp://purl.org/coar/access_right/c_abf2Reconocimiento (by)http://creativecommons.org/licenses/by/4.0/info:eu-repo/semantics/openAccessoai:riunet.upv.es:10251/2033792026-06-13T07:49:27Z |
| dc.title.none.fl_str_mv |
Interannual Climate Variability in the West Antarctic Peninsula under Austral Summer Conditions |
| title |
Interannual Climate Variability in the West Antarctic Peninsula under Austral Summer Conditions |
| spellingShingle |
Interannual Climate Variability in the West Antarctic Peninsula under Austral Summer Conditions Santamaría-del-Ángel, Eduardo Climate variability West Antarctic Peninsula (WAP) SST Multi-sensor LAC imagery Five-year warm cycle Southern Annular Mode (SAM)/Antarctic Oscillation (AAO) Southern Oscillation Index (SOI) WAP marine ecoregions Group on Earth Observations (GEO) TECNOLOGIA DEL MEDIO AMBIENTE |
| title_short |
Interannual Climate Variability in the West Antarctic Peninsula under Austral Summer Conditions |
| title_full |
Interannual Climate Variability in the West Antarctic Peninsula under Austral Summer Conditions |
| title_fullStr |
Interannual Climate Variability in the West Antarctic Peninsula under Austral Summer Conditions |
| title_full_unstemmed |
Interannual Climate Variability in the West Antarctic Peninsula under Austral Summer Conditions |
| title_sort |
Interannual Climate Variability in the West Antarctic Peninsula under Austral Summer Conditions |
| dc.creator.none.fl_str_mv |
Santamaría-del-Ángel, Eduardo Cañón-Páez, Mary-Luz González-Silvera, Adriana Gutiérrez, Angélica-L. López-Calderón, Jorge Camacho-Ibar, Víctor Franco-Herrera, Andrés Castillo-Ramírez, Alejandra Sebastiá-Frasquet, M.-T.|||0000-0002-8042-5628 Aguilar-Maldonado, Jesús Antonio |
| author |
Santamaría-del-Ángel, Eduardo |
| author_facet |
Santamaría-del-Ángel, Eduardo Cañón-Páez, Mary-Luz González-Silvera, Adriana Gutiérrez, Angélica-L. López-Calderón, Jorge Camacho-Ibar, Víctor Franco-Herrera, Andrés Castillo-Ramírez, Alejandra Sebastiá-Frasquet, M.-T.|||0000-0002-8042-5628 Aguilar-Maldonado, Jesús Antonio |
| author_role |
author |
| author2 |
Cañón-Páez, Mary-Luz González-Silvera, Adriana Gutiérrez, Angélica-L. López-Calderón, Jorge Camacho-Ibar, Víctor Franco-Herrera, Andrés Castillo-Ramírez, Alejandra Sebastiá-Frasquet, M.-T.|||0000-0002-8042-5628 Aguilar-Maldonado, Jesús Antonio |
| author2_role |
author author author author author author author author author |
| dc.contributor.none.fl_str_mv |
Departamento de Ingeniería Hidráulica y Medio Ambiente Escuela Politécnica Superior de Gandia Instituto de Investigación para la Gestión Integrada de Zonas Costeras Departamento de Urbanismo Consejo Nacional de Humanidades, Ciencias y Tecnologías, México Repositorio Institucional de la Universitat Politècnica de València Riunet |
| dc.subject.none.fl_str_mv |
Climate variability West Antarctic Peninsula (WAP) SST Multi-sensor LAC imagery Five-year warm cycle Southern Annular Mode (SAM)/Antarctic Oscillation (AAO) Southern Oscillation Index (SOI) WAP marine ecoregions Group on Earth Observations (GEO) TECNOLOGIA DEL MEDIO AMBIENTE |
| topic |
Climate variability West Antarctic Peninsula (WAP) SST Multi-sensor LAC imagery Five-year warm cycle Southern Annular Mode (SAM)/Antarctic Oscillation (AAO) Southern Oscillation Index (SOI) WAP marine ecoregions Group on Earth Observations (GEO) TECNOLOGIA DEL MEDIO AMBIENTE |
| description |
[EN] This study aimed to describe the interannual climate variability in the West Antarctic Peninsula (WAP) under austral summer conditions. Time series of January sea-surface temperature (SST) at 1 km spatial resolution from satellite-based multi-sensor data from Moderate Resolution Imaging Spectrometer (MODIS) Terra, MODIS Aqua, and Visible Infrared Imager Radiometer Suite (VIIRS) were compiled between 2001 and 2020 at localities near the Gerlache Strait and the Carlini, Palmer, and Rothera research stations. The results revealed a well-marked spatial-temporal variability in SST at the WAP, with a one-year warm episode followed by a five-year cold episode. Warm waters (SST > 0 degrees C) reach the coast during warm episodes but remain far from the shore during cold episodes. This behavior of warm waters may be related to the regional variability of the Antarctic Circumpolar Current, particularly when the South Polar Front (carrying warm waters) reaches the WAP coast. The WAP can be divided into two zones representing two distinct ecoregions: the northern zone (including the Carlini and Gerlache stations) corresponds to the South Shetland Islands ecoregion, and the southern zone (including the Palmer and Rothera stations) corresponds to the Antarctic Peninsula ecoregion. The Gerlache Strait is likely situated on the border between the two ecoregions but under a greater influence of the northern zone. Our data showed that the Southern Annular Mode (SAM) is the primary driver of SST variability, while the El Nino Southern Oscillation (ENSO) plays a secondary role. However, further studies are needed to better understand regional climate variability in the WAP and its relation with SAM and ENSO; such studies should use an index that adequately describes the ENSO in these latitudes and addresses the limitations of the databases used for this purpose. Multi-sensor data are useful in describing the complex climate variability resulting from the combination of local and regional processes that elicit different responses across the WAP. It is also essential to continue improving SST approximations at high latitudes. |
| publishDate |
2021 |
| dc.date.none.fl_str_mv |
2021 2021-03-01 |
| dc.type.none.fl_str_mv |
journal 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://riunet.upv.es/handle/10251/203379 |
| url |
https://riunet.upv.es/handle/10251/203379 |
| dc.language.none.fl_str_mv |
Inglés eng |
| language_invalid_str_mv |
Inglés |
| language |
eng |
| dc.relation.none.fl_str_mv |
CONAHCYT CONAHCYT CONACYT |
| dc.rights.none.fl_str_mv |
open access http://purl.org/coar/access_right/c_abf2 Reconocimiento (by) http://creativecommons.org/licenses/by/4.0/ |
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info:eu-repo/semantics/openAccess |
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open access http://purl.org/coar/access_right/c_abf2 Reconocimiento (by) http://creativecommons.org/licenses/by/4.0/ |
| eu_rights_str_mv |
openAccess |
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application/pdf |
| dc.publisher.none.fl_str_mv |
MDPI AG |
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MDPI AG |
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reponame:RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia instname:Universitat Politècnica de València (UPV) |
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Universitat Politècnica de València (UPV) |
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RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia |
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RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia |
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15,301603 |