2001
DOI: 10.20502/rbg.v2i1.9
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Dinámica y Evolución de las Barreras Medanosas, Provincia de Buenos Aires, Argentina

Abstract: RESUMENLas barreras medanosas Oriental y Austral de Buenos Aires se originaron como consecuencia de la fluctuación holocena del nivel del mar que dejó abundante sedimento litoral que migró hacia el interior. De acuerdo a dataciones radiocarbónicas de materiales obtenidos por debajo de los niveles medanosos se reconocen 3 ciclos de generación de médanos costeros. El primero se originó con posterioridad a la colmatación de ambientes estuarinos (estuarios, laguna costeras, lagunas estuarinas, marismas) aproximada… Show more

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Cited by 39 publications
(36 citation statements)
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“…2-10 km) from the present shoreline of the Argentine Sea (Isla 1995). A lower coast with a continuous barrier of dunes was formed since 6,000 RCYBP (Isla et al 2001), after the Middle Holocene eustatic regression. This dune barrier named as Barrera Austral is up to 3.5 km maximum width and is separated into three longitudinal landforms parallel to the shore (Frenguelli 1931).…”
Section: The Pampean Coastal Archaeological Recordmentioning
confidence: 99%
“…2-10 km) from the present shoreline of the Argentine Sea (Isla 1995). A lower coast with a continuous barrier of dunes was formed since 6,000 RCYBP (Isla et al 2001), after the Middle Holocene eustatic regression. This dune barrier named as Barrera Austral is up to 3.5 km maximum width and is separated into three longitudinal landforms parallel to the shore (Frenguelli 1931).…”
Section: The Pampean Coastal Archaeological Recordmentioning
confidence: 99%
“…Although groyne fields have diminished cliff erosion, they increased it where the drift is more severely blocked. Some groin fields have caused significant changes in the grain-size composition of some beaches (Isla et al, 2001). 2.…”
Section: Figure 3 -Taxas De Erosão Costeira Nas Proximidades Da Cidadmentioning
confidence: 99%
“…Desde el punto de vista geomorfológico, la zona comprende el llamado cordón costero o barrera medanosa oriental, una franja rectilínea de un ancho aproximado de 2 a 4 km, compuesta por sedimentos eólicos y litorales que van desde Punta Rasa hasta la desembocadura de la laguna Mar Chiquita, (Isla et al, 1996(Isla et al, , 1998(Isla et al, , 2001Monserrat y Bonaldi, 2012). Se caracteriza por la presencia de playas, en general amplias, de tipo reflexivo con un ancho variable entre los 20 y 200 m (Marcomini y López, 1997, 1999Isla et al, 2001;Dadón, 2003;Bértola et al, 2009).…”
Section: Introductionunclassified
“…Se caracteriza por la presencia de playas, en general amplias, de tipo reflexivo con un ancho variable entre los 20 y 200 m (Marcomini y López, 1997, 1999Isla et al, 2001;Dadón, 2003;Bértola et al, 2009).…”
Section: Introductionunclassified