%0 Journal Article %T Erosi車n en la bah赤a de Samboromb車n y cambios en la direcci車n de los vientos, provincia de Buenos Aires, Argentina %A Codignotto %A Jorge O %A Dragani %A Walter C %A Martin %A Paula B %A Campos %A Mar赤a I %A Alonso %A Guadalupe %A Simionato %A Claudia G %A Medina %A Rub谷n A %J Revista del Museo Argentino de Ciencias Naturales %D 2011 %I Scientific Electronic Library Online %X a slight southward shift of the south atlantic semi-permanent high pressure system and an intensification of the eastern wind at the r赤o de la plata have been documented by several authors. a mild wind wave height increase has been detected at the r赤o 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 samboromb車n 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 r赤o de la plata. the annual mean of the simulated wave height showed significant positive trends at the r赤o 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 samboromb車n bay. %K climate change %K coastal erosion %K samboromb車n bay %K cambio clim芍tico %K erosi車n costera %K bah赤a de samboromb車n. %U http://www.scielo.org.ar/scielo.php?script=sci_abstract&pid=S1853-04002011000200004&lng=en&nrm=iso&tlng=en