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Coastal Dunes and Marshes in Doñana National Park

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Rodríguez-Vidal, Joaquín and Bardají Azcárate, Teresa and Zazo, Caridad and Goy, Jose L. and Borja, Francisco and Dabrio, Cristino J. and Lario, Javier and Cáceres,, Luis M. and Abad, Manuel and Ruiz, Francisco (2014) Coastal Dunes and Marshes in Doñana National Park. In Landscapes and Landforms of Spain. World Geomorphological Landscapes . Springer, Dordrecht, pp. 229-238. ISBN Online ISBN 978-94-017-8628-7 ; Print ISBN 978-94-017-8627-0

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Official URL: https://link.springer.com/chapter/10.1007/978-94-017-8628-7_19




Abstract

Doñana Natural Park is a good global example of the sedimentary filling of a broad tidal estuary during the Mid-Late Holocene, after the last postglacial sea-level rise. The timing of this rise is not well defined yet in the Gulf of Cádiz, since the oldest evidence of coastal sedimentation, located at the right bank of the mouth of the old Guadalquivir Estuary, dates ack to ca. 5,000 ears ago. The first evolutionary stages of the embayment indicate an obvious marine influence, dominated by waves and storms from the SW. Since ca. 4,000 years ago, protection provided by the growing coastal spit barrier of Doñana favored the development of a sheltered marsh dominated by tides and fluvial currents. About 2,200 years ago, since the time Romans controlled the area, the estuary was dominated by marshlands with a wide lagoon at its mouth (Lacus Ligustinus), and the current landscape of Doñana started to form. The evolution of the last 2,000 years includes the quick and continuous growth of coastal barriers by longshore drift, the origin of the present-day marshland landscape and the development of dune fields migrating inland towards the wetlands.


Item Type:Book Section
Uncontrolled Keywords:Coastal dunes,Spit bar, Marshland, Holocene, Guadalquivir Basin J.
Subjects:Sciences > Geology
Sciences > Geology > Geodynamics
Sciences > Geology > Stratigraphic geology
ID Code:46117
Deposited On:29 Jan 2018 08:03
Last Modified:11 Dec 2018 08:41

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