Abstract:
The coastal area of Samborombón Bay ends in a short cliff which, during the last decades, has been undergoing an increased retrogression of approximately 8.2m decade -1. The aim of this paper is to investigate whether this accelerated erosion can be related to an apparent wind-wave climate change, which has been recently reported for the Río de la Plata region. A numerical study with SWAN wave model for the period 1971-2005 drives to positive trends in the frequency of occurrence and heights of waves propagating from the E and ESE. Particularly, the number of cases of high waves from those directions displays a significant increment. In addition, previous papers have reported an increment of the frequency, height and duration of the storm surges in the Río de la Plata, so as a rise of the mean sea level in the region. It is concluded that the combination of those three factors acting together constitutes a powerful and effective mechanism which is likely responsible for the observed increasing erosion in Samborombón Bay. © 2012 Elsevier Ltd.
Registro:
Documento: |
Artículo
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Título: | Wind-wave climate change and increasing erosion in the outer Río de la Plata, Argentina |
Autor: | Codignotto, J.O.; Dragani, W.C.; Martin, P.B.; Simionato, C.G.; Medina, R.A.; Alonso, G. |
Filiación: | Servicio Geológico Minero Argentino (SEGEMAR), Av. Julio A. Roca 651 10 P (C1067ABB), Ciudad Autónoma de Buenos Aires, Argentina CONICET, Consejo Nacional de Investigaciones Científicas y Técnicas, Av. Rivadavia 1917, (C1033AAJ) Ciudad Autónoma de Buenos Aires, Argentina Servicio de Hidrografía Naval y ESCM-INUN, Av. Montes de Oca 2124, (C1270ABV) Ciudad Autónoma de Buenos Aires, Argentina Departamento de Ciencias de la Atmósfera y los Océanos, Facultad de Ciencias Exactas y Naturales, 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, Pabellón II, 2do. Piso., (C1428EGA) Ciudad Autónoma de Buenos Aires, Argentina Centro de Investigaciones del Mar y la Atmósfera (CIMA/CONICET-UBA), Ciudad Universitaria, Pabellón II, 2do. Piso., (C1428EGA) Ciudad Autónoma de Buenos Aires, Argentina Departamento de Ciencias Geológicas, Facultad de Ciencias Exactas y Naturales, UBA, Ciudad Universitaria, Pabellón II, 1er Piso., (C1428EGA) Ciudad Autónoma de Buenos Aires, Argentina
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Palabras clave: | Erosion; Río de la Plata; Samborombón Bay; SWAN wave model; Wind-wave climate change; bay; cliff; climate change; erosion rate; retrogression; storm surge; wave climate; wave modeling; wave propagation; Argentina; Buenos Aires [Argentina]; Rio de la Plata; Samborombon Bay |
Año: | 2012
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Volumen: | 38
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Página de inicio: | 110
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Página de fin: | 116
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DOI: |
http://dx.doi.org/10.1016/j.csr.2012.03.013 |
Título revista: | Continental Shelf Research
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Título revista abreviado: | Cont. Shelf Res.
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ISSN: | 02784343
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CODEN: | CSHRD
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Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_02784343_v38_n_p110_Codignotto |
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Citas:
---------- APA ----------
Codignotto, J.O., Dragani, W.C., Martin, P.B., Simionato, C.G., Medina, R.A. & Alonso, G.
(2012)
. Wind-wave climate change and increasing erosion in the outer Río de la Plata, Argentina. Continental Shelf Research, 38, 110-116.
http://dx.doi.org/10.1016/j.csr.2012.03.013---------- CHICAGO ----------
Codignotto, J.O., Dragani, W.C., Martin, P.B., Simionato, C.G., Medina, R.A., Alonso, G.
"Wind-wave climate change and increasing erosion in the outer Río de la Plata, Argentina"
. Continental Shelf Research 38
(2012) : 110-116.
http://dx.doi.org/10.1016/j.csr.2012.03.013---------- MLA ----------
Codignotto, J.O., Dragani, W.C., Martin, P.B., Simionato, C.G., Medina, R.A., Alonso, G.
"Wind-wave climate change and increasing erosion in the outer Río de la Plata, Argentina"
. Continental Shelf Research, vol. 38, 2012, pp. 110-116.
http://dx.doi.org/10.1016/j.csr.2012.03.013---------- VANCOUVER ----------
Codignotto, J.O., Dragani, W.C., Martin, P.B., Simionato, C.G., Medina, R.A., Alonso, G. Wind-wave climate change and increasing erosion in the outer Río de la Plata, Argentina. Cont. Shelf Res. 2012;38:110-116.
http://dx.doi.org/10.1016/j.csr.2012.03.013