Las Sudestadas del sudeste y del sur en la provincia de Buenos Aires, Argentina y el aumento antropogénico previsto del nivel del mar
; Prario, Bárbara Elizabeth ; Maenza, Reinaldo Agustín
; Bertola, German Ricardo
; Cortizo, Luis ; Lamarchina, Salvador 
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2023-06-15
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Universidad Nacional del Sur
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Revista Universitaria de Geografía
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1852-4265
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La costa marina de la provincia de Buenos Aires se ve afectada a lo largo del año por tormentas de escala sinóptica. A la costa este y sudeste llegan olas generadas por tormentas extratropicales provenientes del sudeste, desde el Atlántico Sur. La costa sur, en cambio, posee un fetch más restringido pero a la vez el rango de mareas aumenta a 3 m hacia el embahiamiento de Bahía Blanca. En los últimos años, esta costa sur también ha sido objeto de recurrente oleaje episódico originado por vientos del sur. El objetivo del trabajo es discriminar los efectos y la incidencia espacial de ambos tipos de tormentas. De los registros analizados provenientes de estadísticas de olas y registros de marea se lograron discriminar estos impactos. Estos efectos están causando aceleraciones del ritmo de erosión costera de consideración que se incrementarán dadas las expectativas de aumento antropogénico del nivel del mar manifestadas por el Panel Internacional sobre el Cambio Climático (IPCC).
The sea coast of the province of Buenos Aires is affected throughout the year by synoptic scale storms. Waves generated by extra-tropical storm reach the east and southeast coast from the southeast, i.e. from the South Atlantic. The southern coast, on the other hand, has a more restricted fetch, but at the same time, the tidal range increases towards Bahía Blanca embayment. In recent years, this southern coast has also been subject to recurrent and episodic swells caused by southerly winds. The objective of this work is to discriminate the effects and the spatial incidence of both types of storms. Having analysed records from wave statistics and tide registers, we were able to identify these impacts. These effects are causing significant accelerations in the rate of coastal erosion, which will increase given the expectations of anthropogenic sea-level rise expressed by the Intergovernmental Panel on Climate Change (IPCC).
The sea coast of the province of Buenos Aires is affected throughout the year by synoptic scale storms. Waves generated by extra-tropical storm reach the east and southeast coast from the southeast, i.e. from the South Atlantic. The southern coast, on the other hand, has a more restricted fetch, but at the same time, the tidal range increases towards Bahía Blanca embayment. In recent years, this southern coast has also been subject to recurrent and episodic swells caused by southerly winds. The objective of this work is to discriminate the effects and the spatial incidence of both types of storms. Having analysed records from wave statistics and tide registers, we were able to identify these impacts. These effects are causing significant accelerations in the rate of coastal erosion, which will increase given the expectations of anthropogenic sea-level rise expressed by the Intergovernmental Panel on Climate Change (IPCC).
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