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Abstract:

Several works reported wind-wave climate changes at Buenos Aires Province continental shelf. The aim of this work is to investigate the impact of these changes in the coastal processes of the region. This study is carried out by means of visual wave parameters gathered at the surf zone of Pinamar and by a conveniently implemented and validated numerical wave model (SWAN). Numerical results corresponding to a grid point located 30 km off Pinamar show a significant increase of wave heights from the S and SSE directions and in the frequency of occurrence of waves coming from the S, SSE and E. It is shown that these slight offshore appreciated trends would not have significant effects on the breaker heights observed at the surf zone at Pinamar. On the contrary, the slight positive trend observed offshore in the frequency of occurrence could be affecting the incidence of waves onshore, producing an increase in the number of cases of normal incidence at the surf zone and, consequently, a significant decrease in the alongshore wave energy flux assessed at Pinamar. This reduction in the alongshore wave energy flux could be responsible for some coastal changes detected in the region as, for instance, the remarkable shortening of Punta Rasa spit located 70 km northward Pinamar. © 2013 Springer Science+Business Media Dordrecht.

Registro:

Documento: Artículo
Título:Wind wave climate change: Impacts on the littoral processes at the Northern Buenos Aires Province Coast, Argentina
Autor:Dragani, W.C.; Martin, P.B.; Alonso, G.; Codignotto, J.O.; Prario, B.E.; Bacino, G.
Filiación:Servicio de Hidrografía Naval y ESCM-INUN, Av. Montes de Oca 2124 (C1270ABV), Ciudad Autónoma de Buenos Aires, Argentina
CONICET, Consejo Nacional de Investigaciones Científicas y Técnicas, Av. Rivadavia 1917. (C1033AAJ), Ciudad Autónoma de Buenos Aires, Argentina
Departamento de Ciencias de la Atmósfera y los Océanos, UBA, Ciudad Universitaria, Pabellón II, 2do. Piso. (C1428EGA), Ciudad Autónoma de Buenos Aires, Argentina
Instituto Franco-Argentino para el Estudio del Clima y sus Impactos (UMI IFAECI/CNRS-CONICET-UBA), Ciudad Universitaria, Pabellon II, 2do. Piso. (C1428EGA), Ciudad Autónoma de Buenos Aires, Argentina
Servicio Geológico Minero Argentino (SEGEMAR), Av. Julio A. Roca 651 10 P (C1067ABB), Ciudad Autónoma de Buenos Aires, Argentina
Palabras clave:Breaker heights; Coastal process; Continental shelves; Normal incidence; Numerical results; Numerical wave modeling; Wave energy flux; Wave parameters; Wave energy conversion; Climate change; climate change; coastal zone; continental shelf; energy flux; frequency analysis; wave modeling; wind wave; Argentina; Buenos Aires [Argentina]
Año:2013
Volumen:121
Número:4
Página de inicio:649
Página de fin:660
DOI: http://dx.doi.org/10.1007/s10584-013-0928-8
Título revista:Climatic Change
Título revista abreviado:Clim. Change
ISSN:01650009
CODEN:CLCHD
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_01650009_v121_n4_p649_Dragani

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Citas:

---------- APA ----------
Dragani, W.C., Martin, P.B., Alonso, G., Codignotto, J.O., Prario, B.E. & Bacino, G. (2013) . Wind wave climate change: Impacts on the littoral processes at the Northern Buenos Aires Province Coast, Argentina. Climatic Change, 121(4), 649-660.
http://dx.doi.org/10.1007/s10584-013-0928-8
---------- CHICAGO ----------
Dragani, W.C., Martin, P.B., Alonso, G., Codignotto, J.O., Prario, B.E., Bacino, G. "Wind wave climate change: Impacts on the littoral processes at the Northern Buenos Aires Province Coast, Argentina" . Climatic Change 121, no. 4 (2013) : 649-660.
http://dx.doi.org/10.1007/s10584-013-0928-8
---------- MLA ----------
Dragani, W.C., Martin, P.B., Alonso, G., Codignotto, J.O., Prario, B.E., Bacino, G. "Wind wave climate change: Impacts on the littoral processes at the Northern Buenos Aires Province Coast, Argentina" . Climatic Change, vol. 121, no. 4, 2013, pp. 649-660.
http://dx.doi.org/10.1007/s10584-013-0928-8
---------- VANCOUVER ----------
Dragani, W.C., Martin, P.B., Alonso, G., Codignotto, J.O., Prario, B.E., Bacino, G. Wind wave climate change: Impacts on the littoral processes at the Northern Buenos Aires Province Coast, Argentina. Clim. Change. 2013;121(4):649-660.
http://dx.doi.org/10.1007/s10584-013-0928-8