Artículo
Abstract:
A slight southward shift of the South Atlantic semi-permanent high pressure system and an intensification of the eastern wind at the Río de la Plata have been documented by several authors. A mild wind wave height increase has been detected at the Río de la Plata and the adjacent continental shelf, from 1970 to the present, as a consequence of the aforementioned climate variability. The most noticeable increase was observed between the 80'and 90'decades, in good agreement with a general increment of erosion at Samborombón Bay and neighboring areas. The annual mean wave height was investigated using numerical simulations. The highest differences in wind wave heights (0.20 m, 9%) were observed at 34° S - 48° W, approximately. The increase was a little lower (7%) at the continental shelf and the Río de la Plata. The annual mean of the simulated wave height showed significant positive trends at the Río de la Plata mouth, the Uruguayan coast and Mar del Plata. The wind wave energy density (annual mean, averaged at the computational domain) also presented a significant positive trend and a relatively high inter-annual variability. From the analysis concludes that overall the shoreline has retreated about 50 m in the last 49 years at Samborombón Bay.
Registro:
| Documento: | Artículo |
| Título: | Erosion at the samborombón bay and changes in wind direction, province of buenos aires, Argentina |
| Autor: | Codignotto, J.O.; Dragani, W.C.; Martin, P.B.; Campos, M.I.; Alonso, G.; Simionato, C.G.; Medina, R.A. |
| Filiación: | Servicio Geológico Minero Argentino SEGEMAR-CONICET-UBA, CABA, Av. Julio A. Roca 651 10 (C1067ABB), Argentina Servicio de Hidrografía Naval y ESCM-INUN-CONICET, CABA, Av. Montes de Oca 2124 (C1270ABV), Argentina Departamento de Ciencias de la Atmósfera y los Océanos, Facultad de Ciencias Exactas y Naturales, UBA, Ciudad Universitaria, Pabellón II, 2do. Piso. (C1428EGA) CABA, Argentina Centro de Investigaciones del Mar y la Atmósfera CIMA-CONICET-UBA, Ciudad Universitaria, Pabellón II, 2do. Piso. (C1428EGA) CABA, Argentina Departamento de Agrimensura, Facultad de Ingeniería, UBA, Av. Las Heras 2214, 3er Piso. (C1127AAR) CABA, Argentina |
| Palabras clave: | Climate change; Coastal erosion; Samborombón bay |
| Año: | 2011 |
| Volumen: | 13 |
| Número: | 2 |
| Página de inicio: | 135 |
| Página de fin: | 138 |
| Título revista: | Revista del Museo Argentino de Ciencias Naturales, Nueva Serie |
| Título revista abreviado: | Rev. Museo Argentino Cienc. Nat. Nuev Serie |
| ISSN: | 15145158 |
| Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_15145158_v13_n2_p135_Codignotto |
Referencias:
- Bértola, G.H., Geomorfología y sedimentología de los ambientes mareales de la Bahía Samborombón, Buenos Aires, Argentina (1995), p. 150. , Tesis Doctoral, Facultad de Ciencias Naturales, Universidad Nacional de La Plata, inédita; Codignotto, J.O., Incremento de la Erosión en la Costa Atlántica Argentina y el Calentamiento Global (2009) Geomorfología y Cambio Climático, 2, pp. 25- 30. , En: J.M. Sayago & M.M. Collantes (Eds.), Instituto de Geociencias y Medio Ambiente (INGEMA), Tucumán
- Codignotto, J.O., Aguirre, M.L., Coastal evolution, changes in sea level and molluscan fauna in northeastern Argentina during the Late Quaternary (1993) Marine Geology, 110, pp. 163-175
- Dragani, W.C., Romero, S.I., Impacts of a possible local wind change on the wave climate in the upper Río de la Plata (2004) International Journal of Climatology, 24 (9), pp. 1149-1157
- Dragani, W., Garavento, E., Simionato, C., Nuñez, M., Martín, P., Campos, M.I., Wave simulation in the outer Río de la Plata estuary: an evaluation of SWAN model (2008) Journal of Waterway, Port, Coastal and Ocean Engineering, 134 (5), pp. 299-305
- Martin, P., Dragani, W., Codignotto, J.O., Simionato, C., Estudio de la variabilidad temporal de las frecuencias de ocurrencia de las olas en la Bahía Samborombón, Río de La Plata (2010) XXV° Reunión Científica de la Asociación Argentina de Geofísicos y Geodesias, pp. 214-215. , Córdoba
Citas:
---------- APA ----------
Codignotto, J.O., Dragani, W.C., Martin, P.B., Campos, M.I., Alonso, G., Simionato, C.G. & Medina, R.A. (2011) . Erosion at the samborombón bay and changes in wind direction, province of buenos aires, Argentina . Revista del Museo Argentino de Ciencias Naturales, Nueva Serie, 13(2), 135-138.Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_15145158_v13_n2_p135_Codignotto [ ]
---------- CHICAGO ----------
Codignotto, J.O., Dragani, W.C., Martin, P.B., Campos, M.I., Alonso, G., Simionato, C.G., et al. "Erosion at the samborombón bay and changes in wind direction, province of buenos aires, Argentina " . Revista del Museo Argentino de Ciencias Naturales, Nueva Serie 13, no. 2 (2011) : 135-138.Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_15145158_v13_n2_p135_Codignotto [ ]
---------- MLA ----------
Codignotto, J.O., Dragani, W.C., Martin, P.B., Campos, M.I., Alonso, G., Simionato, C.G., et al. "Erosion at the samborombón bay and changes in wind direction, province of buenos aires, Argentina " . Revista del Museo Argentino de Ciencias Naturales, Nueva Serie, vol. 13, no. 2, 2011, pp. 135-138.Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_15145158_v13_n2_p135_Codignotto [ ]
---------- VANCOUVER ----------
Codignotto, J.O., Dragani, W.C., Martin, P.B., Campos, M.I., Alonso, G., Simionato, C.G., et al. Erosion at the samborombón bay and changes in wind direction, province of buenos aires, Argentina . Rev. Museo Argentino Cienc. Nat. Nuev Serie. 2011;13(2):135-138.Available from: https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_15145158_v13_n2_p135_Codignotto [ ]
