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dc.contributor.author
Simionato, Claudia Gloria
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dc.contributor.author
Vera, Carolina Susana
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dc.contributor.author
Siegismund, Frank
dc.date.available
2023-04-17T14:35:19Z
dc.date.issued
2005-12
dc.identifier.citation
Simionato, Claudia Gloria; Vera, Carolina Susana; Siegismund, Frank; Surface wind variability on seasonal and interannual scales over RíO de la Plata area; Coastal Education & Research Foundation; Journal of Coastal Research; 21; 4; 12-2005; 770-783
dc.identifier.issn
0749-0208
dc.identifier.uri
http://hdl.handle.net/11336/194156
dc.description.abstract
Previous works show that wind forcing is the main source of circulation seasonal variability in the Río de la Plata estuary, located on the southeastern coast of South America. Wind forcing exceeds by far the role of fresh water discharges. However, due to a lack of enough observations, the features and causes of surface wind variability are not well understood yet. Therefore this paper presents a comprehensive study of surface wind variability over the Río de la Plata estuary using the National Center for Environmental Prediction-National Center for Atmospheric Research (NCEP/NCAR) reanalysis data between 1948 and 1997. It is expected that this study contributes to better understand, model and thus predict the estuary circulation. An onshore to offshore rotation characterizes the seasonal variations of the surface winds from summer to winter. A linear trend analysis shows a displacement of the summer-winter seasonal features to earlier months. On interannual time-scales, the first leading pattern describes east-west changes of surface winds that seems to be forced by the quasibiennial tropospheric oscillation excited in the western tropical Pacific and previously identified by many authors. The conditions over the South Atlantic and in particular the Río de la Plata are influenced by such oscillation through an atmospheric Rossby wave train propagating out of the tropics. This result is very important for its implication on the predictability levels in the region. The second leading mode is associated with anticyclonic/cyclonic wind rotations off the estuary on interannual times scales which are related with changes in both atmospheric and oceanic surface conditions at Southern Hemispher high-latitudes.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Coastal Education & Research Foundation
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
41-30° S; 58-47° W
dc.subject
ESTUARIES
dc.subject
INTERANNUAL VARIABILITY
dc.subject
NORTHERN ARGENTINE CONTINENTAL SHELF
dc.subject
RÍO DE LA PLATA
dc.subject
SEASONALITY
dc.subject
WIND VARIABILITY
dc.subject.classification
Oceanografía, Hidrología, Recursos Hídricos
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dc.subject.classification
Ciencias de la Tierra y relacionadas con el Medio Ambiente
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Surface wind variability on seasonal and interannual scales over RíO de la Plata area
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2021-12-13T20:45:05Z
dc.journal.volume
21
dc.journal.number
4
dc.journal.pagination
770-783
dc.journal.pais
Estados Unidos
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dc.journal.ciudad
Royal Palm Beach
dc.description.fil
Fil: Simionato, Claudia Gloria. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Centro de Investigaciones del Mar y la Atmósfera. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Centro de Investigaciones del Mar y la Atmósfera; Argentina. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Centro de Investigaciones del Mar y la Atmósfera; Argentina
dc.description.fil
Fil: Vera, Carolina Susana. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Centro de Investigaciones del Mar y la Atmósfera; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Centro de Investigaciones del Mar y la Atmósfera. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Centro de Investigaciones del Mar y la Atmósfera; Argentina
dc.description.fil
Fil: Siegismund, Frank. Universitat Hamburg; Alemania
dc.journal.title
Journal of Coastal Research
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.2112/008-NIS.1
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://bioone.org/journals/journal-of-coastal-research/volume-2005/issue-214/008-NIS.1/Surface-Wind-Variability-on-Seasonal-and-Interannual-Scales-Over-R%c3%ado/10.2112/008-NIS.1.short
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