Variability and motion of the Brazil-Malvinas front

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The temporal evolution of the thermal field associated with frontal motions in the South Western Atlantic is studied. The analysis is based on data collected with an array of inverted echo sounders (IES) deployed during the Confluence Program (1988-1990) at the Brazil/Malvinas Confluence. The travel...

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Autores principales: Bianchi, Alejandro A., Garzoli, Silvia L.
Formato: Articulo
Lenguaje:Inglés
Publicado: 1997
Materias:
Geofísica
océano Atlántico Sudoccidental
South Western Atlantic
thermal field
isotermas
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/134237
Aporte de:
SEDICI (UNLP) de Universidad Nacional de La Plata
id I19-R120-10915-134237
record_format dspace
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Inglés
topic Geofísica
océano Atlántico Sudoccidental
South Western Atlantic
thermal field
isotermas
spellingShingle Geofísica
océano Atlántico Sudoccidental
South Western Atlantic
thermal field
isotermas
Bianchi, Alejandro A.
Garzoli, Silvia L.
Variability and motion of the Brazil-Malvinas front
topic_facet Geofísica
océano Atlántico Sudoccidental
South Western Atlantic
thermal field
isotermas
description The temporal evolution of the thermal field associated with frontal motions in the South Western Atlantic is studied. The analysis is based on data collected with an array of inverted echo sounders (IES) deployed during the Confluence Program (1988-1990) at the Brazil/Malvinas Confluence. The travel time series obtained with the IES are scaled to mean temperatures of the upper 500 m (Tsoo) of the ocean and series of T500 horizontal distributions are constructed. A description of the evolution of the thermal field, emphasizing the frontal motions and some mesoscaie features, is presented. Three well-defined northward penetrations of the Malvinas current with fairly variable periods of permanence (15-60 days) and mean frontal motion velocities of 0.2 m/s are observed. Cross-correlation of the T500 time series analysis leads to a plausible explanation of some features of the observed variability. Comparison with previous results in the area indicate a marked interannual variability and sources of variability are discussed.
format Articulo
Articulo
author Bianchi, Alejandro A.
Garzoli, Silvia L.
author_facet Bianchi, Alejandro A.
Garzoli, Silvia L.
author_sort Bianchi, Alejandro A.
title Variability and motion of the Brazil-Malvinas front
title_short Variability and motion of the Brazil-Malvinas front
title_full Variability and motion of the Brazil-Malvinas front
title_fullStr Variability and motion of the Brazil-Malvinas front
title_full_unstemmed Variability and motion of the Brazil-Malvinas front
title_sort variability and motion of the brazil-malvinas front
publishDate 1997
url http://sedici.unlp.edu.ar/handle/10915/134237
work_keys_str_mv AT bianchialejandroa variabilityandmotionofthebrazilmalvinasfront
AT garzolisilvial variabilityandmotionofthebrazilmalvinasfront
bdutipo_str Repositorios
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