Internal structure of the aeolian sand dunes of El Fangar spit, Ebro Delta (Tarragona, Spain)

Inmaculada Rodríguez-Santalla

doi:10.1016/j.geomorph.2008.08.017

Internal structure of the aeolian sand dunes of El Fangar spit, Ebro Delta (Tarragona, Spain)

2009-03-01

29

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AI

I

Inmaculada Rodríguez-Santalla *

M

María José Sánchez García

I

Isabel Montoya-Montes

G

Gomez-Ortiz, David

T

Tomás Martı́n Crespo

J

Jordi Serra Raventós

DOI：10.1016/j.geomorph.2008.08.017

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Abstract

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This paper presents an analysis of the dune field dynamics of El Fangar Spit in the Ebro Delta (Spain), associating it with the internal structure of dunes carried out with ground-penetrating radar and supported by data from topographic DGPS. These analyses are of great importance to ascertain the state of the internal structure of dunes as an important element in their stability and, therefore in their evolution. The internal structure shows accretion and progradation sequences of dunes over beach deposits, which depend on dune morphology (height, crest orientation) and location, as well as the processes acting on them. (C) 2008 Elsevier B.V. All rights reserved.

Keywords:

Ground-penetrating radar

Coastal dune

Ebro River Delta

Internal structure of the aeolian sand dunes of El Fangar spit, Ebro Delta (Tarragona, Spain)

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